D7net Mini Sh3LL v1
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<?php
// php crud datagrid for mysql and php5
// MIT License - http://lazymofo.wdschools.com/
// send feedback or questions lazymofo@wdschools.com
// version 2016-03-20
class lazy_mofo{
public $dbh = false; // required, pass the PDO connection object into the constructor
public $table = ''; // required, table for use for sql_insert(), sql_update(), sql_update_grid() and sql_delete()
public $identity_name = ''; // required, column name of id primary key
public $rename = array(); // associative array of column names and friendly names. example: array('prod_id' => 'Product ID')
public $uri_path = ''; // to specify URI. Needed for some applications such as in admin WordPress Plugins.
public $exclude_field = array(); // don't allow users to update or insert into these fields, even if data is posted. place the field name in the key of the array. example: $lm->exclude_field['is_admin'] = '';
public $form_sql = ''; // render form from fields retuned in sql statement. if blank then 'select * from table where identity_name = identity_id' is used. when no record is found then a blank form to ADD a record is displayed
public $form_sql_param = array(); // associative array to bind named parameters to form_sql. use to pass in identity_id when specifiying form_sql.
public $form_input_control = array(); // for form(), define inputs like select boxes, document uploads, etc... *info on usage below*
public $form_default_value = array(); // for form(), define default values for columns when adding a record. if auto_populate_control = true then this array will be populated from the defaults in the database.
public $form_display_identity = true; // display identity value when editing a record
public $form_additional_html = ''; // add any addition html inside the <form> after the form buttons.
public $form_text_input_size = 35; // size of text inputs on form()
public $grid_sql = ''; // render grid with desired sql. defaults to 'select *, identity_name from table'. *important* to display [edit] and [delete] links, the identity must be the last column in the sql statement. this arangement allows grid to display data without showing the identity.
public $grid_sql_param = array(); // associative array to bind variables to grid_sql. see php docs on PDOStatement->execute for more info.
public $grid_default_order_by = ''; // free-form 'order by' clause. Not used if grid_sql is specified. Example: column1 desc, column2 asc
public $grid_input_control = array(); // for grid(), define inputs like select boxes, checkboxes, etc... *info on usage below*
public $grid_output_control = array(); // for grid(). define outputs like --email to make a clickable mailto or --document to make a link. *info on usage below*
public $grid_multi_delete = false; // display checkboxes on grid to allow for multiple record delete
public $grid_show_search_box = false; // display search field at the top - grid_sql must be altered to accomodate search
public $grid_limit = 200; // pagination limit number of records per page
public $grid_repeat_header_at = 0; // interval of records to repeat header column titles at
public $grid_show_images = false; // option to show images inside the grid, otherwise a link is displayed for --image type
public $grid_ellipse_at = 30; // limit number of characters displayed, set to 0 to disable truncation
public $grid_text_input_size = 10; // size of text input when input is displayed
public $text_input_max_length_default = 0; // global max_length attribute for input. 0 is disabled
public $text_input_max_length = array(); // array of column names to max length integers, optional
public $auto_populate_controls = true; // have get_columns() populate input and output controls according to meta data for types --date, --datetime, --number and --textarea. also, populate default values.
public $on_insert_validate = array(); // example : $lm->on_insert_validate['field_name'] = array(string $regexp_or_user_function, string $error_message[, string $tip_placeholder , boolean optional_input]);
public $on_update_validate = array();
public $validate_tip_in_placeholder = true; // allow input placeholder to display validation tip
public $validate_text_general = "Missing or Invalid Input"; // generic message displayed at the top when validation error occurs, optional
public $on_insert_user_function = ''; // user function called before data is inserted, updated, or deleteed. return a string error message for server-side validation. Can be used to formating _POST data.
public $on_update_user_function = '';
public $on_delete_user_function = '';
public $on_update_grid_user_function = '';
public $after_insert_user_function = ''; // user function names to be called after data is inserted, updated, or deleteed.
public $after_update_user_function = '';
public $after_delete_user_function = '';
public $after_update_grid_user_function = '';
public $cast_user_function = array(); // user function for casting data, example : $lm->cast_function['field_name'] = 'my_casting_function'
public $return_to_edit_after_insert = true; // redirect to edit screen after adding or updating a record. if false, user is sent back to grid view.
public $return_to_edit_after_update = true;
// upload paths // relative path names only! paths are created at runtime as needed
public $upload_path = 'uploads'; // required when using --image or --document input types
public $thumb_path = 'thumbs'; // optional, leave blank if you don't need thumbnails
// image settings
public $upload_width = 400; // 0 height or width means no resizing or cropping
public $upload_height = 400;
public $upload_crop = false; // crop versus resize: resize keeps the original aspect ratio but limits the size of the image
public $thumb_width = 100;
public $thumb_height = 100;
public $thumb_crop = true;
public $image_quality = 80; // image quality when resizing and cropping, 1-100
public $image_style = "style='height: 100px;'"; // apply style to all images displayed. limiting size is nice to keep things orderly.
public $charset_mysql = 'utf8'; // charset for mysql communications
public $charset = 'UTF-8'; // charset for output
public $timezone = 'UTC'; // if no timezone is set in the application, then this timezone is set for strtotime. http://php.net/manual/en/timezones.others.php
public $date_in = 'Y-m-d'; // input format into database, no need to change this
public $datetime_in = 'Y-m-d H:i:s';
// US date format
public $date_out = 'm/d/Y'; // output date
public $datetime_out = 'm/d/Y h:i A'; // output datetime
// non-US date format
//public $date_out = 'd/m/Y';
//public $datetime_out = 'd/m/Y h:i A';
// ISO-ish date format, or when using html5 date input
//public $date_out = 'Y-m-d';
//public $datetime_out = 'Y-m-d H:i';
public $restricted_numeric_input = '/[^0-9\.\-]/';// optional, regular expression of what numbers are allowed to be sent to the database. helpful to remove dollar signs and spaces. many non-US countries use comma instead of decimal points and spaces instead of commas.
public $upload_allow_list = '.mp3 .jpg .jpeg .png .gif .doc .docx .xls .xlsx .txt .pdf'; // space delimted file name extentions. include period
public $query_string_list = ''; // comma delimited list of variable names carried around to maintain state of search, sort, and pagination
public $delete_confirm = 'Sei sicuro di voler eleminare questo elemento?'; // javascript popup confirmation
public $update_grid_confirm = 'Are you sure you want to delete [count] record(s)?'; // javascript popup confirmation when deleting on the grid
// public $form_add_button = "<input type='submit' value='Add' class='lm_button'>";
// public $form_update_button = "<input type='submit' value='Update' class='lm_button'>";
// public $form_back_button = "<input type='button' value='< Back' class='lm_button dull' onclick='_back();'>"; // use type=button for delete and cancel so form presses the right button with enter key
// public $form_delete_button = "<input type='button' value='Delete' class='lm_button error' onclick='_delete();'>";
public $form_add_button = "<button type='submit' value='Aggiungi' class='btn btn-primary' >Aggiungi</button>";
public $form_update_button = "<button type='submit' value='Aggiorna' class='btn btn-success' >Aggiorna</button>";
public $form_back_button = "<button type='button' value='< Indietro' class='btn btn-warning' dull' onclick='_back();'>Indietro</button>"; // use type=button for delete and cancel so form presses the right button with enter key
public $form_delete_button = "<button type='button' value='Elimina' class='btn btn-danger' onclick='_delete();'>Elimina</button>";
/* public $form_text_title_add = 'Add Record'; // titles in the <th> of top of the edit form
public $form_text_title_edit = 'Edit Record';
public $form_text_record_saved = 'Record Saved'; // customize success messages
public $form_text_record_added = 'Record Added'; */
public $form_text_title_add = 'Aggiungi una nuova elezione'; // titles in the <th> of top of the edit form
public $form_text_title_edit = 'Modifica dati';
public $form_text_record_saved = 'Dati salvati'; // customize success messages
public $form_text_record_added = 'Nuova elezione aggiunta';
public $grid_add_link = "<a href='[script_name]action=edit&[qs]' class='lm_grid_add_link'>Aggiungi una nuova elezione</a>"; // link at displayed at the top to add a new record. [script_name] placeholder will be populated by grid()
public $grid_edit_link = "<a href='[script_name]action=edit&[identity_name]=[identity_id]&[qs]'>[Modifica]</a>"; // note special [identity_name] and [identity_id] placeholders that will be populated by grid()
public $grid_delete_link = "<a href='#' onclick='return _delete(\"[identity_id]\");'>[Elimina]</a>";
public $grid_export_link = "<a href='[script_name]_export=1&[qs]' title='Download CSV'>Export</a>";
public $grid_search_box = "<form action='[script_name]' class='lm_search_box'><input type='text' name='_search' value='[_search]' size='20' class='lm_search_input'><a href='[script_name]' style='margin: 0 10px 0 -20px; display: inline-block;' title='Clear Search'>x</a><input type='submit' value='Search' class='lm_button lm_search_button'><input type='hidden' name='action' value='search'></form>";
public $grid_text_record_added = "Nuova elezione aggiunta";
public $grid_text_changes_saved = "Dati salvati";
public $grid_text_record_deleted = "Elezione eliminata";
public $grid_text_save_changes = "Modifiche salvate";
public $grid_text_delete = "Elimina";
public $grid_text_no_records_found = "Non sono stati trovati elementi";
public $pagination_text_use_paging = '[use paging]';
public $pagination_text_show_all = '[show all]';
public $pagination_text_records = 'Records';
public $pagination_text_go = 'Go';
public $pagination_text_page = 'Page';
public $pagination_text_of = 'of';
public $pagination_text_next = 'Next>';
public $pagination_text_back = '<Back';
public $text_delete_image = 'delete image';
public $text_delete_document = 'delete document';
public $export_csv_file_name = '';
public $delim = '|'; // when using mutiple checkboxes or multipleselect, delimiter for values
public $select_first_option_blank = true; // make first option blank on dropdown --select and --selectmultiple inputs
private $set_names = false;
function __construct($dbh){
if(!$dbh)
die('Pass in a PDO object connected to the mysql database.');
if(!(get_magic_quotes_gpc() == 0) && (get_magic_quotes_runtime() == 0))
echo('Warning: lazy mofo requires magic_quotes be disabled.');
$this->dbh = $dbh;
$timezone = @date_default_timezone_get();
if($timezone == '' || $timezone == 'UTC')
date_default_timezone_set($this->timezone);
// avoid notices for this noonce token
if(!isset($_SESSION['_csrf']))
$_SESSION['_csrf'] = '';
}
function run(){
// purpose: built-in controller
switch($this->get_action()){
case "edit": $this->edit(); break;
case "insert": $this->insert(); break;
case "update": $this->update(); break;
case "update_grid": $this->update_grid(); break;
case "delete": $this->delete(); break;
default: $this->index();
}
}
function edit($error = ''){
// purpose: called from contoller to display form() and add or edit a record
echo $this->form($error);
}
function insert(){
// purpose: called from contoller to display insert() data
$error = '';
// validation system
$is_valid = $this->validate($this->on_insert_validate);
if(!$is_valid)
$error = $this->validate_text_general; //optional general error at the top
// call user function to validate or whatever
if($is_valid && $this->on_insert_user_function != '')
$error = call_user_func($this->on_insert_user_function);
// go back on validation error
if($error != '' || !$is_valid){
$this->edit($error);
return;
}
// insert data
$id = $this->sql_insert();
// user function after insert
if($this->after_insert_user_function != '')
call_user_func($this->after_insert_user_function, $id);
// send user back to edit screen if desired
$action = '';
if($this->return_to_edit_after_insert)
$action = 'action=edit&';
// redirect user
$url = $this->get_uri_path() . "{$action}_success=1&$this->identity_name=$id";
$this->redirect($url, $id);
}
function update(){
// purpose: called from contoller to display update() data
$error = '';
// validation system
$is_valid = $this->validate($this->on_update_validate);
if(!$is_valid)
$error = $this->validate_text_general; //optional general error at the top
// call user function to validate or whatever
if($is_valid && $this->on_update_user_function != '')
$error = call_user_func($this->on_update_user_function);
// go back on validation error
if($error != '' || !$is_valid){
$this->edit($error);
return;
}
// update data
$id = $this->sql_update();
// user function after update
if($this->after_update_user_function != '')
call_user_func($this->after_update_user_function);
// send user back to edit screen if desired
$action = '';
if($this->return_to_edit_after_update)
$action = 'action=edit&';
// redirect user
$url = $this->get_uri_path() . "{$action}_success=2&$this->identity_name=$id&" . $this->get_qs();
$this->redirect($url, $id);
}
function update_grid(){
// purpose: called from contoller to display update() data
// call user function to validate or whatever
$error = '';
if($this->on_update_grid_user_function != '')
$error = call_user_func($this->on_update_grid_user_function);
// go back on validation error
if($error != ''){
$this->index($error);
return;
}
// update data
$flag = $this->sql_update_grid();
// user function after updates
if($this->after_update_grid_user_function != '')
call_user_func($this->after_update_grid_user_function);
// redirect user
$url = $this->get_uri_path() . "_success=2&" . $this->get_qs();
$this->redirect($url, $flag);
}
function delete(){
// purpose: called from contoller to display update() data
// call user function to validate or whatever
$error = '';
if($this->on_delete_user_function != '')
$error = call_user_func($this->on_delete_user_function);
// go back on validation error
if($error != ''){
if($_POST['_called_from'] == 'form')
$this->edit($error);
else
$this->index($error);
return;
}
// delete data
$flag = $this->sql_delete();
// user function after delete
if($this->after_delete_user_function != '')
call_user_func($this->after_delete_user_function);
// redirect user
$url = $this->get_uri_path() . "_success=3&" . $this->get_qs();
$this->redirect($url, $flag);
}
function index($error = ''){
// purpose: called from contoller to display update() data
echo $this->grid($error);
}
function sql_delete(){
// purpose: delete the requested record
// returns: false on error, true on success
$identity_id = $this->cast_id($_POST[$this->identity_name]);
if($identity_id == 0){
$this->display_error("missing identity_value", 'delete()');
return false;
}
if(!$this->upload_delete($this->table, $this->identity_name, $identity_id, '*', $this->form_input_control))
return false;
$sql_param = array(':identity_id' => $identity_id);
$sql = "delete from `$this->table` where `$this->identity_name` = :identity_id limit 1";
if($this->query($sql, $sql_param, 'delete()') === false)
return false;
}
function sql_insert(){
// purpose: generate insert sql statement from the data posted and table's meta data
// returns: false on error, id returned on success
$columns = $this->get_columns();
if(mb_strlen($this->table) == 0 || count($columns) == 0){
$this->display_error("missing tablename, or get_columns() failed", 'insert()');
return false;
}
// format list of fields from posted data
$sql_fields = '';
foreach($_POST as $key => $val){
// checkboxes require a special hidden field to identify unchecked values
if(mb_substr($key, -9) == '-checkbox')
if(mb_substr($key, 0, -9) != $prev_key)
$key = mb_substr($key, 0, -9);
$prev_key = $key;
if(!(array_search($key, $columns) === false))
$sql_fields .= "`$key`, ";
}
$sql_fields = rtrim($sql_fields, ', ');
// format list of values from posted data
$sql_param = array();
$sql_values = '';
foreach($_POST as $key => $val){
// don't allow updates on certain fields
if(array_key_exists($key, $this->exclude_field))
continue;
// checkboxes require a special hidden field to identify unchecked values
if(mb_substr($key, -9) == '-checkbox')
if(mb_substr($key, 0, -9) != $prev_key)
$key = mb_substr($key, 0, -9);
if(!(array_search($key, $columns) === false)){
$safe_np = $this->safe_np($key);
$sql_values .= ":$safe_np, ";
$sql_param[":$safe_np"] = $this->cast_value($val, $key);
}
$prev_key = $key;
}
$sql_values = rtrim($sql_values, ', ');
$sql = "insert into `$this->table` ($sql_fields) values ($sql_values);";
$identity_id = $this->query($sql, $sql_param, 'insert()');
if($identity_id === false)
return false;
if(!$this->get_upload($columns, $this->table, $this->identity_name, $identity_id))
return false;
return $identity_id;
}
function sql_update(){
// purpose: generate and run update sql statement from the data posted and table's meta data
// returns: false on error, true on success
$columns = $this->get_columns();
$identity_id = $this->cast_id($_POST[$this->identity_name]);
if(mb_strlen($this->table) == 0 || $identity_id == 0 || count($columns) == 0){
$this->display_error("missing tablename, or missing identity_value, or get_columns() failed", 'update()');
return false;
}
// posted values are saved here for pdo execute
$sql_param = array();
$sql_param[':identity_id'] = $identity_id;
// make sql statement from key and values in $_POST data
$sql_set = '';
foreach($_POST as $key => $val){
// don't allow updates on certain fields
if(array_key_exists($key, $this->exclude_field))
continue;
// checkboxes require a special hidden field so unchecked values are detectable
if(mb_substr($key, -9) == '-checkbox')
if(!array_key_exists(mb_substr($key, 0, -9), $_POST))
$key = mb_substr($key, 0, -9);
if(!(array_search($key, $columns) === false)){
$safe_np = $this->safe_np($key);
$sql_set .= "`$key` = :$safe_np, ";
$sql_param[":$safe_np"] = $this->cast_value($val, $key);
}
}
$sql_set = rtrim($sql_set, ', ');
// run sql update
if($sql_set != ''){
$sql_final = "update `$this->table` set $sql_set where `$this->identity_name` = :identity_id;";
if($this->query($sql_final, $sql_param, 'update()') === false)
return false;
}
if(!$this->get_upload($columns, $this->table, $this->identity_name, $identity_id))
return false;
return $identity_id;
}
function sql_update_grid(){
// purpose: generate multiple update sql statements from editable fields in grid()
// returns: false on error, true on success
$columns = $this->get_columns('grid');
$skip_update_on_column_name = '';
$table = $this->table;
$identity_name = $this->identity_name;
$input_control = $this->grid_input_control;
if(mb_strlen($table) == 0 || count($columns) == 0 || (count($input_control) == 0 && $this->grid_multi_delete == false)){
$this->display_error("missing table name, or get_columns(), or grid_input_control is empty", 'update_grid()');
return false;
}
// optimization flag
$run_upload = false;
if(array_search('--image', $input_control) || array_search('--document', $input_control))
$run_upload = true;
// gather all identity ids from suffix of input_name-identity_id
$arr_identity_id = array();
$prev_identity_id = 0;
$post = array_merge($_POST, $_FILES);
foreach($post as $key => $val){
if(!mb_strstr($key, '-'))
continue;
$identity_id = $this->cast_id(mb_substr($key, mb_strrpos($key, '-') + 1));
if($identity_id == 0)
continue;
if($identity_id != $prev_identity_id)
array_push($arr_identity_id, $identity_id);
$prev_identity_id = $identity_id;
}
// run updates
$sql_final = '';
$sql_param = array();
$this->dbh->beginTransaction();
foreach($arr_identity_id as $identity_id){
$sql_set = '';
$sql_param[':identity_id'] = $identity_id;
// loop thur editable columns
foreach($input_control as $column_name => $control){
if(array_search($column_name, $columns) === false)
continue;
if($column_name == $skip_update_on_column_name)
continue;
if($this->is_upload($input_control, $column_name))
continue;
$safe_np = $this->safe_np($column_name);
$sql_set .= "`$column_name` = :$safe_np, ";
$sql_param[":$safe_np"] = $this->cast_value(@$_POST["$column_name-$identity_id"], $column_name, 'grid');
}
// append statements
if(mb_strlen($sql_set) > 0){
$sql_set = rtrim($sql_set, ', ');
$sql_final = "update `$table` set $sql_set where `$identity_name` = :identity_id;\n";
if($this->query($sql_final, $sql_param, 'sql_update_grid()') === false)
return false;
$sql_param = array();
}
}
$this->dbh->commit();
// upload files
if($run_upload)
foreach($arr_identity_id as $identity_id)
$this->get_upload($columns, $table, $identity_name, $identity_id, $context);
// get records to delete
$arr_delete = @$_POST['_delete'];
if(!is_array($arr_delete))
$arr_delete = array();
// delete records
$sql = '';
$sql_param = array();
foreach($arr_delete as $identity_id){
if($run_upload)
$this->upload_delete($table, $identity_name, $identity_id, '*', $input_control);
$sql = "delete from `$table` where `$identity_name` = :identity_id;";
$sql_param = array(':identity_id' => $identity_id);
if($this->query($sql, $sql_param, 'sql_update_grid() - delete') === false)
return false;
}
return true;
}
function form($error = ''){
// purpose: generate a form to edit or add a record
// if a record is found the form will be populated for editing, otherwise the form is empty and form is for adding/inserting data
// $error = error message to display before form, often from server-side validation
// returns: html
if(mb_strlen($this->identity_name) == 0 || (mb_strlen($this->grid_sql) && mb_strlen($this->table) == 0)){
$this->display_error("missing grid_sql and table (one is required), or missing identity_name", 'form()');
return;
}
$identity_id = $this->cast_id(@$_GET[$this->identity_name]);
if($identity_id == 0)
$identity_id = $this->cast_id(@$_POST[$this->identity_name]);
$sql = $this->form_sql;
$sql_param = $this->form_sql_param;
// make sql statement from table name if no sql was provided
if(mb_strlen($sql) == 0){
$sql_param = array(':identity_id' => $identity_id);
$sql = "select * from `$this->table` where `$this->identity_name` = :identity_id";
}
// run query
$result = $this->query($sql, $sql_param, 'form()');
// quit on error
if($result === false)
return;
$columns = $this->get_columns('form');
$count = count($result);
$_posted = intval(@$_POST['_posted']);
// success messages
$success = intval(@$_GET['_success']);
if($success == 1)
$success = $this->form_text_record_added;
elseif($success == 2)
$success = $this->form_text_record_saved;
else
$success = '';
// are we adding (blank form) or editing (populated form) a record
if($count == 0){
$action = 'add';
$title = $this->form_text_title_add;
$validate = $this->on_insert_validate;
}
else{
$action = 'edit';
$title = $this->form_text_title_edit;
$validate = $this->on_update_validate;
}
// get 1 row of data if available
$row = false;
$identity_id = 0; // id fetched below
if(count($result) > 0){
$row = $result[0];
$identity_id = $this->cast_id($row[$this->identity_name]);
}
if($action == 'edit' && $identity_id == 0)
$error .= "Missing identity_id. If using a custom form_sql statement be sure to include the identity. ";
// query string is used here in form() to maintain pagination and sort data so user can return back to the same place in grid results
$qs = $this->get_qs();
if(mb_strlen($qs) > 0)
$qs = "$qs";
$uri_path = $this->get_uri_path();
$html = "<div id='lm'>\n";
$html .= "<form action='$uri_path$qs' method='post' enctype='multipart/form-data'>\n";
$html .= "<input type='hidden' name='_csrf' value='$_SESSION[_csrf]'>\n";
$html .= "<input type='hidden' name='_posted' value='1'>\n";
if(mb_strlen($error) > 0)
$html .= "<div class='lm_error'><b>$error</b></div>\n";
if(mb_strlen($success) > 0)
$html .= "<div class='lm_success'><b>$success</b></div>\n";
$html .= "<table cellpadding='2' cellspacing='1' border='0' class='lm_form'>\n";
if(mb_strlen($title) > 0)
$html .= "<tr>\n <th colspan='2'>$title</th>\n</tr>\n";
// loop thru fields
foreach($columns as $column_name){
if($column_name == $this->identity_name && ($this->form_display_identity == false || $action == 'add'))
continue;
// get data from database or repost
if($_posted == 1 && !mb_stristr(@$this->form_input_control[$column_name], 'readonly'))
$value = @$_POST[$column_name];
elseif($count == 0)
$value = @$this->form_default_value[$column_name];
else
$value = $row[$column_name];
// field label
$title = $this->format_title($column_name, @$this->rename[$column_name]);
// render the html control according to the type of data
$control = "";
if($column_name == $this->identity_name)
$control = $this->clean_out($value);
elseif(array_key_exists($column_name, $this->form_input_control))
$control = $this->get_input_control($column_name, $value, $this->form_input_control[$column_name], 'form', $validate);
else
$control = $this->get_input_control($column_name, $value, '--text', 'form', $validate);
$html .= "<tr>\n";
$html .= " <td>$title:</td>\n";
$html .= " <td>$control</td>\n";
$html .= "</tr>\n";
}
$html .= "</table>\n";
if($action == 'edit')
$html .= "<input type='hidden' name='$this->identity_name' value='$identity_id'>\n";
// action
if($action == 'edit')
$html .= "<input type='hidden' name='action' value='update'>\n";
else
$html .= "<input type='hidden' name='action' value='insert'>\n";
// add buttons
if($action == 'edit')
$html .= "<div class='lm_form_button_bar'>$this->form_back_button $this->form_delete_button $this->form_update_button</div>";
else
$html .= "<div class='lm_form_button_bar'>$this->form_back_button $this->form_add_button</div>";
$html .= $this->form_additional_html;
$html .= "</form>\n";
$html .= "</div><!-- close #lm -->\n";
$html .= $this->delete_js($identity_id, 'form');
return $html;
}
function grid($error = ''){
// purpose: function to list a table of records. aka data grid
// returns: html
// populate_from_post tells inputs to populate from $_POST instead of the database. useful to preserve data when displaying validation errors.
// in grid_sql, select the identity_id as the last column to display the edit and delete links
// example: $lm->grid_sql = 'select title, create_date, foo_id from foo';
if(mb_strlen($this->identity_name) == 0 || (mb_strlen($this->grid_sql) && mb_strlen($this->table) == 0)){
$this->display_error("missing grid_sql and table (one is required), or missing identity_name", 'form()');
return;
}
// local copies
$sql = trim($this->grid_sql);
$sql_param = $this->grid_sql_param;
$grid_limit = intval($this->grid_limit);
$uri_path = $this->get_uri_path();
$default_order_by = $this->grid_default_order_by;
if($default_order_by == '')
$default_order_by = "`$this->identity_name`";
// remove line feeds which can cause problems with parsing
$sql = preg_replace('/[\n\r]/', ' ', $sql);
// default queries if only table and id names were provided
if(mb_strlen($sql) == 0)
$sql = "select *, `$this->identity_name` from `$this->table` order by $default_order_by";
// inject funciton for counting
$sql = preg_replace('/^select/i', 'select sql_calc_found_rows', $sql);
// get input
$_posted = intval(@$_REQUEST['_posted']);
$_search = $this->clean_out(@$_REQUEST['_search']);
$_pagination_off = intval(@$_REQUEST['_pagination_off']);
$_order_by = abs(intval(@$_REQUEST['_order_by'])); // order by is numeric index to column
$_desc = abs(intval(@$_REQUEST['_desc'])); // descending order flag
$_offset = abs(intval(@$_REQUEST['_offset'])); // pagination offset
$_export = intval(@$_REQUEST['_export']);
$qs = $this->get_qs();
// header links - invert current sort
$_desc_invert = 1;
if($_desc == 1)
$_desc_invert = 0;
// success messages
$success = intval(@$_GET['_success']);
if($success == 1)
$success = $this->grid_text_record_added;
elseif($success == 2)
$success = $this->grid_text_changes_saved;
elseif($success == 3)
$success = $this->grid_text_record_deleted;
else
$success = '';
// column array and column count
$columns = $this->get_columns('grid');
$column_count = count($columns);
if($column_count == 0)
return;
// alter order
$desc_str = '';
if($_order_by > 0){
if($_desc == 1)
$desc_str = 'desc';
$sql = rtrim($sql, '; '); // remove last semicolon
$sql = preg_replace('/order\s+by\s+.+$/i', '', $sql); // remove existing order
$sql .= " order by $_order_by $desc_str"; // add requested sort order
}
// remove existing limit
$sql = preg_replace('/\s+limit\s+[0-9,\s]+$/i', '', $sql);
// add limit and offset for pagination
if($_pagination_off == 0 && $_export == 0)
$sql .= " limit $_offset, $grid_limit";
// run query
$result = $this->query($sql, $sql_param, 'grid() run query');
if(!is_array($result))
$result = array();
// get count
$count = 0;
$sql = 'select found_rows() as cnt';
$result_count = $this->query($sql);
foreach($result_count as $row)
$count = $row['cnt'];
// export data to CSV and quit
if($_export == 1 && $count > 0){
$this->export($result, $columns);
return;
}
// populate link placeholders
$grid_add_link = $this->grid_add_link;
$grid_edit_link = $this->grid_edit_link;
$grid_delete_link = $this->grid_delete_link;
$grid_export_link = $this->grid_export_link;
$grid_add_link = str_replace('[script_name]', $uri_path, $grid_add_link);
$grid_add_link = str_replace('[qs]', $qs, $grid_add_link);
$grid_edit_link = str_replace('[script_name]', $uri_path, $grid_edit_link);
$grid_edit_link = str_replace('[qs]', $qs, $grid_edit_link);
$grid_edit_link = str_replace('[identity_name]', $this->identity_name, $grid_edit_link);
$grid_delete_link = str_replace('[script_name]', $uri_path, $grid_delete_link);
$grid_delete_link = str_replace('[qs]', $qs, $grid_delete_link);
$grid_delete_link = str_replace('[identity_name]', $this->identity_name, $grid_delete_link);
$grid_export_link = str_replace('[script_name]', $uri_path, $grid_export_link);
$grid_export_link = str_replace('[qs]', $qs, $grid_export_link);
$links = $grid_edit_link . ' ' . $grid_delete_link;
// pagination and save changes link bar
$pagination = $this->get_pagination($count, $grid_limit, $_offset, $_pagination_off);
$button = '';
if(count($this->grid_input_control) > 0 || $this->grid_multi_delete == true)
$button = "<input type='submit' name='__update_grid' value='$this->grid_text_save_changes' class='lm_button lm_save_changes_button'>";
$pagination_button_bar = "<table cellpadding='2' cellspacing='1' border='0' width='100%' class='lm_pagination'><tr><td style='text-align: left'>$pagination</td><td style='text-align: right'>$button</td></tr></table>\n";
// search bar
$search_box = '';
if($this->grid_show_search_box){
$search_box = $this->grid_search_box;
$search_box = str_replace('[script_name]', $uri_path, $search_box);
$search_box = str_replace('[_search]', $_search, $search_box);
$search_box = str_replace('[_csrf]', $_SESSION['_csrf'], $search_box);
}
$add_record_search_bar = "<table cellpadding='2' cellspacing='1' border='0' width='100%' class='lm_add_search'><tr><td style='text-align: left'>$grid_add_link $grid_export_link</td><td style='text-align: right'>$search_box</td></tr></table>\n";
// generate table header
$head = "<tr>\n";
if($this->grid_multi_delete)
$head .= "<th><a href='#' onclick='return _toggle();' title='toggle checkboxes'>$this->grid_text_delete</a></th>\n";
$i = 0;
foreach($columns as $column_name){
$title = $this->format_title($column_name, @$this->rename[$column_name]);
if($column_name == $this->identity_name && $i == ($column_count - 1))
$head .= " <th></th>\n"; // if identity is last column then this is the column with the edit and delete links
else
$head .= " <th><a href='{$uri_path}_order_by=" . ($i + 1) . "&_desc=$_desc_invert&" . $this->get_qs('_search') . "'>$title</a></th>\n";
$i++;
}
$head .= "</tr>\n";
// start generating output //
$html = "<div id='lm'>\n";
if(mb_strlen($success) > 0)
$html .= "<div class='lm_success'><b>$success</b></div>\n";
if(mb_strlen($error) > 0)
$html .= "<div class='lm_error'><b>$error</b></div>\n";
$html .= $add_record_search_bar;
$html .= "<form action='$uri_path$qs' method='post' onsubmit='return _update_grid()' enctype='multipart/form-data'>\n";
$html .= "<input type='hidden' name='_posted' value='1'>\n";
$html .= "<input type='hidden' name='_csrf' value='$_SESSION[_csrf]'>\n";
// quit if there's no data
if($count <= 0){
$html .= "<div class='lm_error'><b>$this->grid_text_no_records_found</b></div></form></div><!-- close #lm -->\n";
return $html;
}
// buttons & pagination on top. only show if we have a lot of records
if($count > 30)
$html .= $pagination_button_bar;
$html .= "<table cellpadding='2' cellspacing='1' border='0' width='100%' class='lm_grid'>\n";
$html .= $head;
// print rows
$j = 0;
foreach($result as $row){
// highlight last updated or inserted row
$shaded = '';
if(@$_GET[$this->identity_name] == @$row[$this->identity_name] && mb_strlen(@$_GET[$this->identity_name]) > 0)
$shaded = "class='lm_active'";
// print a row
$html .= "<tr $shaded>\n";
// delete selection checkbox
if($this->grid_multi_delete){
$html .= "<td align='center'><label><input type='checkbox' name='_delete[]' value='{$row[$this->identity_name]}'></label></td>\n";
}
// print columns
$i = 0;
foreach($columns as $column_name){
$value = $row[$column_name];
// edit & delete links
if($column_name == $this->identity_name && $i == ($column_count - 1))
$html .= " <td nowrap>" . str_replace('[identity_id]', $value, $links) . "</td>\n";
// input fields
elseif(array_key_exists($column_name, $this->grid_input_control)){
if(mb_strlen($error) > 0 && $_posted == 1) // repopulate from previous post when validation error is displayed
$value = $_POST[$column_name . '-' . $row[$this->identity_name]];
$html .= ' <td>' . $this->get_input_control($column_name . '-' . $row[$this->identity_name], $value, $this->grid_input_control[$column_name], 'grid') . "</td>\n";
}
// output
elseif(array_key_exists($column_name, $this->grid_output_control))
$html .= ' <td>' . $this->get_output_control($column_name . '-' . $row[$this->identity_name], $value, $this->grid_output_control[$column_name], 'grid') . "</td>\n";
// anything else
else
$html .= ' <td>' . $this->get_output_control($column_name . '-' . $row[$this->identity_name], $value, '--text', 'grid') . "</td>\n";
$i++; // column index
}
$html .= "</tr>\n";
// repeat header
if($this->grid_repeat_header_at > 0)
if($j % $this->grid_repeat_header_at == 0 && $j < $count && $j > 0)
$html .= $head;
// row counter
$j++;
}
$html .= "</table>\n";
// buttons & pagination, close form
$html .= $pagination_button_bar;
$html .= "</form>\n";
$html .= "</div><!-- close #lm -->\n";
$html .= $this->delete_js(0, 'grid');
return $html;
}
function delete_js($identity_id = 0, $_called_from = ''){
// purpose: extra form & js for deleing records and going back
// returns: html
$uri_path = $this->get_uri_path();
$qs = $this->get_qs();
$back_link = $uri_path . $qs;
// append id for row highlighting
if($identity_id > 0)
$back_link .= "&$this->identity_name=$identity_id";
// escape for js
$delete_confirm = str_replace("'", "\'", $this->delete_confirm);
$update_grid_confirm = str_replace("'", "\'", $this->update_grid_confirm);
return "
<form action='$uri_path$qs' method='post' name='delete_js'>
<input type='hidden' name='action' value='delete' >
<input type='hidden' name='$this->identity_name' value='$identity_id' >
<input type='hidden' name='_csrf' value='$_SESSION[_csrf]' >
<input type='hidden' name='_called_from' value='$_called_from' >
</form>
<script type='text/javascript'>
function _delete(id){
if(!confirm('$delete_confirm'))
return false;
if(id)
document.delete_js.elements['$this->identity_name'].value = id;
document.delete_js.submit();
return false;
}
function _back(){
window.location.href = '$back_link';
}
function _toggle(){
var form_cnt = document.forms.length;
var i;
for (i = 0; i < form_cnt; i++)
for (j = 0; j < document.forms[i].length; j++)
if(document.forms[i].elements[j].name == '_delete[]')
document.forms[i].elements[j].checked = !document.forms[i].elements[j].checked;
return false;
}
function _update_grid(){
var form_cnt = document.forms.length;
var i;
var delete_cnt = 0;
var msg = '$update_grid_confirm';
for (i = 0; i < form_cnt; i++)
for (j = 0; j < document.forms[i].length; j++)
if(document.forms[i].elements[j].name == '_delete[]')
if(document.forms[i].elements[j].checked)
delete_cnt++;
if(delete_cnt == 0)
return true;
msg = msg.replace('[count]', delete_cnt);
if(!confirm(msg))
return false;
return true;
}
</script>
";
}
function html_image_input($field_name, $file_name){
// purpose: if image exists, display image and delete checkbox. also display file input
// returns: html
$html = '';
$class = $this->get_class_name($field_name);
if(mb_strlen($file_name) > 0){
if(mb_strlen($this->thumb_path))
$html .= "<a href='$this->upload_path/$file_name' target='_blank'><img src='$this->thumb_path/$file_name' alt='' $this->image_style ></a>";
else
$html .= "<a href='$this->upload_path/$file_name' target='_blank'><img src='$this->upload_path/$file_name' alt='' $this->image_style ></a>";
$html .= " <label><input type='checkbox' name='{$field_name}-delete' value='1' >$this->text_delete_image</label><br>";
}
$html .= "<input type='file' name='$field_name' class='$class' size='$this->form_text_input_size'>";
return $html;
}
function html_document_input($field_name, $file_name){
// purpose: if document exists, display link and delete checkbox. also display file input
// returns: html
$class = $this->get_class_name($field_name);
if(mb_strlen($file_name) > 0)
$html .= "<a href='$this->upload_path/$file_name' target='_blank'>$file_name</a> <label><input type='checkbox' name='{$field_name}-delete' value='1'>$this->text_delete_document</label><br >";
$html .= "<input type='file' name='$field_name' class='$class' size='$this->form_text_input_size'>";
return $html;
}
function html_image_output($file_name){
// purpose: if image exists, display image depending on settings and if thumbnail exists
// returns: html
if(mb_strlen($file_name) == 0)
return;
if($this->grid_show_images == false)
return "<a href='$this->upload_path/$file_name' target='_blank'>" . $this->clean_out($file_name, $this->grid_ellipse_at) . "</a>";
elseif(mb_strlen($this->thumb_path))
return "<a href='$this->upload_path/$file_name' target='_blank'><img src='$this->thumb_path/$file_name' alt='' $this->image_style ></a>";
else
return "<a href='$this->upload_path/$file_name' target='_blank'><img src='$this->upload_path/$file_name' alt='' $this->image_style ></a>";
}
function html_document_output($file_name){
// purpose: if exists, display document link
// returns: html
if(mb_strlen($file_name) > 0)
$html = "<a href='$this->upload_path/$file_name' target='_blank'>" . $this->clean_out($file_name, $this->grid_ellipse_at) . "</a>";
return $html;
}
function html_html_output($value){
// purpose: when html is displayed in grid remove the tags and just display the plain text content
// returns: html
if(mb_strlen($value) == 0)
return;
$html = strip_tags($value);
$html = str_replace(' ', ' ', $html);
if($this->grid_ellipse_at > 0)
if(mb_strlen($html) > $this->grid_ellipse_at)
$html = mb_substr($html, 0, $this->grid_ellipse_at) . "...";
$html = str_replace('<', '<', $html);
$html = str_replace('>', '>', $html);
return $this->clean_out($html);
}
function html_radio($field_name, $value, $sql){
// purpose: render html radio input, note sql query should return 2 columns
// returns: html
static $prev_sql = '';
static $result;
$class = $this->get_class_name($field_name);
// if no sql is provided render 1 = yes/ 0 = no
if($sql == '')
$sql = "select 1 as val, 'Yes' as opt union select 0, 'No'";
// simple optimization
if($prev_sql != $sql)
$result = $this->query($sql, array(), 'html_radio()');
$prev_sql = $sql;
$control = '';
foreach($result as $row){
$val = current($row);
$opt = next($row);
$checked = "";
if($val == $value)
$checked = "checked='checked'";
$control .= "<label><input type='radio' name='$field_name' class='$class' value='" . $this->clean_out($val) . "' $checked >" . $this->clean_out($opt) . "</label> ";
}
return $control;
}
function html_select($field_name, $value, $sql, $sql_param = array(), $js_or_css = '', $first_option_blank = true, $multiple = 0){
// purpose: render html select dropdown from sql query
// returns: html
// sample query: select 0 as val, 'no' as opt union select 1, 'yes'
static $prev_sql = '';
static $result;
$out = '';
$class = $this->get_class_name($field_name);
// if no sql is provided render 1 = yes, 0 = no
if($sql == '')
$sql = "select 1 as val, 'Yes' as opt union select 0, 'No'";
// simple optimization
if($prev_sql != $sql)
$result = $this->query($sql, $sql_param, 'html_select()');
$prev_sql = $sql;
if($multiple == 0){
if($first_option_blank)
$out .= "<option value=''> </option>";
foreach($result as $row){
$val = current($row);
$opt = next($row);
$selected = '';
if($val == $value)
$selected = "selected='selected'";
$out .= "<option value='" . $this->clean_out($val) . "' $selected>" . $this->clean_out($opt) . "</option>";
}
$out = "<select name='$field_name' class='$class' $js_or_css>$out</select>";
return $out;
}
// render multiple select
$out = "";
if($first_option_blank)
$out .= "<option value=''> </option>";
$value = "$this->delim$value$this->delim";
foreach($result as $row){
$val = current($row);
$opt = next($row);
$selected = '';
if(mb_strstr($value, "$this->delim$val$this->delim"))
$selected = "selected='selected'";
$out .= "<option value='" . $this->clean_out($val) . "' $selected>" . $this->clean_out($opt) . "</option>";
}
$out = "<select name='{$field_name}[]' class='$class' multiple='multiple' size='$multiple' $js_or_css>$out</select>";
return $out;
}
function html_checkbox($field_name, $value, $sql, $sql_param = array()){
// purpose: render checkbox inputs
// returns: html
$class = $this->get_class_name($field_name);
// make hidden field name. an additional hidden field is require to detect presence of checkbox.
$i = mb_strrpos($field_name, '-');
if($i > 0)
$field_name_hidden = mb_substr($field_name, 0, $i) . '-checkbox' . mb_substr($field_name, $i); // grid format field_name-checkbox-identity_id
else
$field_name_hidden = $field_name . '-checkbox';
// if no sql is provided just return a single checkbox for 1 = yes
$checked = '';
if($sql == ''){
if(intval($value) > 0)
$checked = "checked='checked'";
return "<label><input type='checkbox' name='$field_name' class='$class' value='1' $checked ></label><input type='hidden' name='$field_name_hidden' value=''>";
}
static $prev_sql = '';
static $result;
// simple optimization
if($prev_sql != $sql)
$result = $this->query($sql, $sql_param, 'html_radio()');
$prev_sql = $sql;
$value = "$this->delim$value$this->delim";
foreach($result as $row){
$val = current($row);
$opt = next($row);
$checked = '';
if(mb_strstr($value, "$this->delim$val$this->delim"))
$checked = "checked='checked'";
$html .= "<label><input type='checkbox' name='{$field_name}[]' class='$class' value='" . $this->clean_out($val) . "' $checked >" . $this->clean_out($opt) . "</label> ";
}
$html .= "<input type='hidden' name='$field_name_hidden' value='0'>";
return $html;
}
function cast_value($val, $column_name = '', $posted_from = 'form'){
// purpose: cast data going into the database. set blanks null and format dates
// returns: string
// $column_name is not used right now but might be needed as a hack to cast by column name for databases like sqlite
// missing types seem to always be numbers
if(is_array($val))
$val = implode($this->delim, $val);
$val = trim($val);
if($posted_from == 'grid')
$command = @$this->grid_input_control[$column_name];
else
$command = @$this->form_input_control[$column_name];
// get command only, no sql, no '--'
$cmd = trim(mb_substr($command, mb_strrpos($command, '--') + 2));
if(isset($this->cast_user_function[$column_name]))
$val = call_user_func($this->cast_user_function[$column_name], $val);
elseif($cmd == 'date')
$val = $this->date_in($val);
elseif($cmd == 'datetime')
$val = $this->date_in($val, true);
elseif($cmd == 'number' && mb_strlen($this->restricted_numeric_input) > 0)
$val = preg_replace($this->restricted_numeric_input, '', $val);
if(mb_strlen($val) == 0)
$val = null;
return $val;
}
function cast_id($str){
// purpose: similar to intval() but supports mysql bigint and does not overflow
if(preg_match('/-?[0-9]{1,30}/', $str))
return $str;
else
return 0;
}
function clean_file_name($file_name){
// purpose: make uniform file_names to lowercase, no dots, no spaces
$file_name = mb_strtolower($file_name);
$ext = pathinfo($file_name, PATHINFO_EXTENSION);
$prefix = mb_substr($file_name, 0, (mb_strlen($ext) + 1) * -1);
$prefix = str_replace(' ', '_', $prefix);
$prefix = preg_replace('([^0-9a-z_\-])', '', $prefix);
return "$prefix.$ext";
}
function clean_out($str, $ellipse_at = 0){
// purpose: escape html output w/ optional ellipsing
if(is_array($str))
$str = implode($this->delim, $str);
elseif($ellipse_at > 0)
if(mb_strlen($str) > $ellipse_at)
$str = mb_substr($str, 0, $ellipse_at, $this->charset) . "...";
// remove illegal characters
$str = mb_convert_encoding($str, $this->charset, mb_detect_encoding($str));
return htmlspecialchars($str, ENT_QUOTES, $this->charset);
}
function date_in($str, $use_time = false){
// purpose: convert local format to database format
if($str == '')
return;
// remove spaces between slash or dash delimiters. allow user to be a little sloppy.
$str = preg_replace('/([0-9]+)\s?([\/\-]){1}\s?([0-9]+)\s?([\/\-]){1}\s?([0-9]+)/', '\1\2\3\4\5', $str);
// strtotime requires dash delimiter when using d/m/y
if(preg_match('/[dj].*[mn]/', $this->date_out))
$str = str_replace('/', '-', $str);
$ts = strtotime($str);
if($ts === false)
return;
if($use_time)
return date($this->datetime_in, $ts);
else
return date($this->date_in, $ts);
}
function date_out($str, $use_time = false){
// purpose: convert database format to local format
if(mb_strlen($str) < 8)
return;
if($use_time)
return date($this->datetime_out, strtotime($str));
else
return date($this->date_out, strtotime($str));
}
function format_title($field_name, $friendly_name = ''){
// purpose: change field name to friendly. example: first_name becomes "First Name" or EntryFee1 becomes "Entry Fee 1"
// returns: html escaped string
if(mb_strlen($friendly_name) > 0)
return $this->clean_out($friendly_name);
$friendly_name = $field_name;
$friendly_name = preg_replace('/([a-z]{1})([A-Z]{1})/', '\1 \2', $friendly_name);
$friendly_name = preg_replace('/([a-z]{1})([0-9]+)/i', '\1 \2 ', $friendly_name);
$friendly_name = str_replace('_', ' ', $friendly_name);
$friendly_name = mb_convert_case($friendly_name, MB_CASE_TITLE, $this->charset);
return $this->clean_out($friendly_name);
}
function get_action(){
// purpose: get the action/command on what function to call
// submit buttons can be named with the action i.e. "__update" or "__delete";
// look at the names/key posted to see if there's an action requested
static $action;
if(isset($action))
return $action;
$post_get = array_merge($_POST, $_GET);
if(mb_strlen(@$post_get['action']) > 0)
return $post_get['action'];
foreach($post_get as $key => $val)
if(mb_substr($key, 0, 2) == '__')
return mb_substr($key, 2);
}
function get_input_control($column_name, $value, $command, $called_from, &$validate = array()){
// purpose: render html input based "command", if command is then try to call a user function
// returns: html
// parse $command into $sql and $cmd, remove delimiter
$pos = mb_strrpos($command, '--');
$cmd = trim(mb_substr($command, $pos + 2));
$sql = mb_substr($command, 0, $pos);
// default
if(mb_strlen($cmd) == 0)
$cmd = 'text';
// set input size
if($called_from == 'grid')
$size = $this->grid_text_input_size;
else
$size = $this->form_text_input_size;
$class = $this->get_class_name($column_name);
$validate_error = ''; // error next to input
$validate_tip = ''; // tip next to input
$validate_placeholder = ''; // text in placeholder - text inputs only
$validate_placeholder_alternative = ''; // placeholder setting disabled - move text next to input
// display tip or error next to input, not both
if(@$validate[$column_name][4] === false)
$validate_error = "<span class='lm_validate_error'>" . $this->clean_out($validate[$column_name][1]) . "</span>";
elseif(@$validate[$column_name][2] != '')
$validate_tip = "<span class='lm_validate_tip'>" . $this->clean_out($validate[$column_name][2]) . "</span>";
// always try to get a placeholder for the text inputs
if($this->validate_tip_in_placeholder)
$validate_placeholder = $this->clean_out(@$validate[$column_name][2]); // placeholders for text
elseif($validate_error == '')
$validate_placeholder_alternative = "<span class='lm_validate_tip'>" . $this->clean_out($validate[$column_name][2]) . "</span>";
$max_length = '';
if(intval(@$this->text_input_max_length[$column_name]) > 0)
$max_length = "maxlength='" . $this->text_input_max_length[$column_name] . "'";
elseif($this->text_input_max_length_default > 0)
$max_length = "maxlength='" . $this->text_input_max_length_default . "'";
if($cmd == 'text')
return "<input type='text' name='$column_name' class='$class' value='" . $this->clean_out($value) . "' size='$size' $max_length placeholder='$validate_placeholder'>$validate_error $validate_placeholder_alternative";
elseif($cmd == 'password')
return "<input type='password' name='$column_name' class='$class' value='" . $this->clean_out($value) . "' size='$size' $max_length placeholder='$validate_placeholder'>$validate_error $validate_placeholder_alternative";
elseif($cmd == 'number')
return "<input type='text' name='$column_name' class='$class' value='" . $this->clean_out($value) . "' size='18' $max_length placeholder='$validate_placeholder'>$validate_error $validate_placeholder_alternative";
elseif($cmd == 'date')
return "<input type='text' name='$column_name' class='$class' value='" . $this->date_out($value) . "' size='18' $max_length placeholder='$validate_placeholder'>$validate_error $validate_placeholder_alternative";
elseif($cmd == 'datetime')
return "<input type='text' name='$column_name' class='$class' value='" . $this->date_out($value, true) . "' size='18' $max_length placeholder='$validate_placeholder'>$validate_error $validate_placeholder_alternative";
elseif($cmd == 'textarea')
return "<textarea name='$column_name' class='$class' cols='60' rows='6' placeholder='$validate_placeholder'>" . $this->clean_out($value) . "</textarea>$validate_error $validate_placeholder_alternative";
elseif($cmd == 'readonly_datetime')
return $this->date_out($value, true);
elseif($cmd == 'readonly_date')
return $this->date_out($value);
elseif($cmd == 'readonly')
return $this->clean_out($value);
elseif($cmd == 'image')
return $this->html_image_input($column_name, $value) . $validate_tip . $validate_error;
elseif($cmd == 'document')
return $this->html_document_input($column_name, $value) . $validate_tip . $validate_error;
elseif($cmd == 'select')
return $this->html_select($column_name, $value, $sql, array(), '', $this->select_first_option_blank, 0) . $validate_tip . $validate_error;
elseif($cmd == 'selectmultiple')
return $this->html_select($column_name, $value, $sql, array(), '', $this->select_first_option_blank, 6) . $validate_tip . $validate_error;
elseif($cmd == 'radio')
return $this->html_radio($column_name, $value, $sql, array()) . $validate_tip . $validate_error;
elseif($cmd == 'checkbox')
return $this->html_checkbox($column_name, $value, $sql, array()) . $validate_tip . $validate_error;
elseif(is_callable($cmd))
return call_user_func($cmd, $column_name, $value, $command, $called_from, $validate_placeholder) . $validate_tip . $validate_error;
else
$this->display_error("Input command or user function not found: $cmd. Be sure to prefix control type with 2 dashes --", 'get_input_control()');
}
function get_output_control($column_name, $value, $command, $called_from){
// purpose: render html output based "command", if command is then try to call a user function
// returns: html
// get command only, no '--'
$cmd = trim(mb_substr($command, mb_strrpos($command, '--') + 2));
// default
if(mb_strlen($cmd) == 0)
$cmd = 'text';
if($cmd == 'text')
return $this->clean_out($value, $this->grid_ellipse_at);
elseif($cmd == 'date')
return $this->date_out($value);
elseif($cmd == 'datetime')
return $this->date_out($value, true);
elseif($cmd == 'email')
return "<a href='mailto:$value'>$value</a>";
elseif($cmd == 'document')
return $this->html_document_output($value);
elseif($cmd == 'image')
return $this->html_image_output($value);
elseif($cmd == 'html')
return $this->html_html_output($value);
elseif(is_callable($cmd))
return call_user_func($cmd, $column_name, $value, $command, $called_from);
else
$this->display_error("Output command or user function not found: $cmd. Be sure to prefix control type with 2 dashes --", 'get_output_control()');
}
function get_columns($context = ''){
// purpose: make array of column names from table name or custom sql
// populates: grid_output_control or form_input_control
// context options: form, grid, or blank/none
// returns: number indexed array of column names
$table = $this->table;
$sql = '';
$sql_param = array();
if($context == 'grid'){
$sql = $this->grid_sql;
$sql_param = $this->grid_sql_param;
if($sql == '')
$sql = "select *, `$this->identity_name` from `$table`";
}
elseif($context == 'form'){
$sql = $this->form_sql;
$sql_param = $this->form_sql_param;
}
if($sql == '')
$sql = "select * from `$table`";
// simplify query for faster execution
$sql = rtrim($sql, "\r\n\t; "); // remove last semicolon
$sql = preg_replace('/order\s+by\s+.+$/i', '', $sql); // remove order
$sql = preg_replace('/limit\s+[0-9,\s]+$/i', '', $sql); // remove limit
$sql .= ' limit 0 '; // add limit
$sth = $this->dbh->prepare($sql);
if(!$sth->execute($sql_param)){
$arr = $sth->errorInfo();
$error = $arr[2];
$this->display_error("$error\nsql: $sql\narr_sql_param: " . print_r($sql_param, true), 'get_columns');
return $columns;
}
$i = 0;
$columns = array();
while($column = $sth->getColumnMeta($i++))
array_push($columns, $column['name']);
// quit now if there's nothing else to do
if(!$this->auto_populate_controls)
return $columns;
// populate form_input_control
$i = 0;
while($column = $sth->getColumnMeta($i++)){
$type = mb_strtolower(@$column['native_type']);
$column_name = $column['name'];
if(array_key_exists($column_name, $this->form_input_control) || $column_name == $this->identity_name)
continue;
if($type == 'date')
$this->form_input_control[$column_name] = '--date';
elseif($type == 'datetime' || $type == 'timestamp')
$this->form_input_control[$column_name] = '--datetime';
elseif($type == 'blob')
$this->form_input_control[$column_name] = '--textarea';
elseif(mb_strstr($type, 'short') || mb_strstr($type, 'int') || mb_strstr($type, 'long') || mb_strstr($type, 'float') || mb_strstr($type, 'double') || mb_strstr($type, 'decimal'))
$this->form_input_control[$column_name] = '--number';
}
// populate grid_output_control with --date, --datetime
$i = 0;
while($context == 'grid' && $column = $sth->getColumnMeta($i++)){
$type = mb_strtolower(@$column['native_type']);
$column_name = $column['name'];
if(array_key_exists($column_name, $this->grid_output_control) || $column_name == $this->identity_name)
continue;
if($type == 'date')
$this->grid_output_control[$column_name] = '--date';
elseif($type == 'datetime' || $type == 'timestamp')
$this->grid_output_control[$column_name] = '--datetime';
}
// populate default values
$sql = "select column_name, column_default from information_schema.columns where column_default is not null and table_name = :table and table_schema = database()";
$sql_param = array(':table' => $table);
$result = $this->query($sql, $sql_param, 'get_columns() - populate form_default_value');
foreach($result as $row){
if($context == 'form')
if(!array_key_exists($row['column_name'], $this->form_default_value))
$this->form_default_value[$row['column_name']] = $row['column_default'];
}
return $columns;
}
function get_pagination($count, $limit, $_offset, $_pagination_off){
// purpose: pagination for grid
static $id = 0; // for unique active page input id
$get = $this->get_qs('_order_by,_desc,_search');
$active_page = floor($_offset / $limit) + 1;
$total_page = ceil($count / $limit);
$uri_path = $this->get_uri_path();
if($count <= 0)
return;
$use_paging_link = '';
if($_pagination_off == 1)
$use_paging_link = "<a href='{$uri_path}_pagination_off=0&$get' rel='nofollow'>$this->pagination_text_use_paging</a>";
if($_pagination_off == 1 || $count <= $limit)
return number_format($count) . " $this->pagination_text_records $use_paging_link";
// simple text input for page number on giant datasets. use drop-down for smaller datasets.
if($count > 100000){
$input = "<input type='text' size='7' id='active_page_$id' value='$active_page' ><input type='button' value='$this->pagination_text_go' onclick='window.location.href=\"{$uri_path}_offset=\" + ((document.getElementById(\"active_page_$id\").value * $limit) - $limit) + \"&$get\"'>";
}
else
{
$input = "<select onchange='window.location.href=\"{$uri_path}_offset=\" + this.options[this.selectedIndex].value + \"&$get\"'>";
for($i = 0, $p = 1; $i < $count; $i += $limit, $p++){
$sel = '';
if($p == $active_page)
$sel .= "selected='selected'";
$input .= "<option value='$i' $sel>$p</option>";
}
$input .= "</select>";
}
$pagination = "$this->pagination_text_page: $input $this->pagination_text_of $total_page ";
if($_offset == 0)
$pagination .= " $this->pagination_text_back ";
else
$pagination .= " <a href='{$uri_path}_offset=" . ($_offset - $limit) . "&$get'>$this->pagination_text_back</a> ";
if($active_page >= $total_page)
$pagination .= " $this->pagination_text_next ";
else
$pagination .= " <a href='{$uri_path}_offset=" . ($_offset + $limit) . "&$get'>$this->pagination_text_next</a> ";
$pagination .= " " . number_format($count) . " Total Records <a href='{$uri_path}_pagination_off=1&$get' rel='nofollow'>$this->pagination_text_show_all</a> ";
$id++;
return $pagination;
}
function get_qs($query_string_list = '_order_by,_desc,_offset,_search,_pagination_off'){
// purpose: render querysting. user selections for order, search, and page are carry from page to page.
// this maintains search state while paging, updating, etc...
// append users additions
if(mb_strlen($this->query_string_list) > 0)
$query_string_list .= ',' . $this->query_string_list;
$get = '';
$arr = explode(',', trim($query_string_list, ','));
foreach($arr as $var)
if(mb_strlen(@$_REQUEST[$var]) > 0)
$get .= "&$var=" . urlencode($_REQUEST[$var]);
return ltrim($get, '&');
}
function get_upload($columns, $table_name, $identity_name, $identity_id, $context = 'form', $field_index = ''){
// purpose: used in insert and update to handle files
// returns: true on success, false on error
$upload_width = $this->upload_width;
$upload_height = $this->upload_height;
$upload_crop = $this->upload_crop;
$thumb_width = $this->thumb_width;
$thumb_height = $this->thumb_height;
$thumb_crop = $this->thumb_crop;
if($context == 'grid')
$input_control = $this->grid_input_control;
else
$input_control = $this->form_input_control;
foreach($columns as $column_name){
$control = @$input_control[$column_name];
// uploads only
if(!$this->is_upload($input_control, $column_name))
continue;
// inputs are named differently on grids
$input_name = $column_name;
if($context != 'form')
if(mb_strlen($field_index) > 0)
$input_name = "$column_name-0"; // inserting
else
$input_name = "$column_name-$identity_id"; // updating
if(!file_exists($this->upload_path) && mb_strlen($this->upload_path) > 0){
mkdir($this->upload_path, 0755);
usleep(500);
}
if(!file_exists($this->thumb_path) && mb_strlen($this->thumb_path) > 0){
mkdir($this->thumb_path, 0755);
usleep(500);
}
// process file deletion requested by checkbox with field_name + "-delete"
if(@$_POST[$input_name . '-delete'] == 1)
$this->upload_delete($table_name, $identity_name, $identity_id, $column_name, $input_control);
// see if a new file was uploaded
$file_name = $this->upload_file($input_name, $notice, $field_index);
// reloop - no new file uploaded
if(mb_strlen($file_name) == 0)
continue;
// delete previous existing file
$this->upload_delete($table_name, $identity_name, $identity_id, $column_name, $input_control);
// copy upload to thumbnail path
if(mb_strlen($this->thumb_path) > 0 && $control == '--image')
if(!copy("$this->upload_path/$file_name", "$this->thumb_path/$file_name")){
$this->display_error("Error: Unable to copy uploaded to thumb_path. Make sure path: $this->thumb_path exists and is writeable. Try chmod 0755 (or 0777 if you must) on the destination path.", 'get_upload()');
return false;
}
// resize or crop main image
if($control == '--image')
if($upload_crop)
$this->image_crop("$this->upload_path/$file_name", $upload_width, $upload_height);
else
$this->image_resize("$this->upload_path/$file_name", $upload_width, $upload_height);
// thumbs - resize or crop
if($control == '--image' && mb_strlen($this->thumb_path) > 0)
if($thumb_crop)
$this->image_crop("$this->thumb_path/$file_name", $thumb_width, $thumb_height);
else
$this->image_resize("$this->thumb_path/$file_name", $thumb_width, $thumb_height);
// update file name in table
$sql_param = array();
$sql = "update `$table_name` set `$column_name` = :file_name where `$identity_name` = :identity_id";
$sql_param[':file_name'] = $file_name;
$sql_param[':identity_id'] = $identity_id;
if($this->query($sql, $sql_param, 'get_upload()') === false)
return false;
}
if(mb_strlen($notice) > 0){
$this->display_error($notice, 'get_upload()');
return false;
}
return true;
}
function upload_file($input_name, &$notice, $field_index = ''){
// purpose: upload file and return file name as a string
// returns: file name on success, errors sent back by reference to $notice
// make regex pattern for extension validation from allow list. it should end up looking like this: /(.\.mp3)|(.\.pdf)$/i
$pattern = '';
$arr = preg_split('/\s+/', $this->upload_allow_list);
foreach($arr as $val)
$pattern .= '(.' . preg_quote($val) . ')|';
$pattern = '/' . rtrim($pattern, '|') . '$/i';
// get file info
if(mb_strlen($field_index) > 0){
$size = intval($_FILES[$input_name]['size'][$field_index]);
$tmp_name = $_FILES[$input_name]['tmp_name'][$field_index];
$file_name = $this->clean_file_name($_FILES[$input_name]['name'][$field_index]);
}
else{
$size = intval($_FILES[$input_name]['size']);
$tmp_name = $_FILES[$input_name]['tmp_name'];
$file_name = $this->clean_file_name($_FILES[$input_name]['name']);
}
// nothing to do
if($size <= 0 || mb_strlen($file_name) == 0)
return;
if(mb_strlen($file_name) > 500){
$notice .= "File name is too long.\n";
return;
}
if(!preg_match($pattern, $file_name)){
$notice .= "Invalid file type. Only the following documents and media types are allowed: $this->upload_allow_list\n";
return;
}
$file_name = $this->upload_rename_if_exists($this->upload_path, $file_name);
if(!move_uploaded_file($tmp_name, "$this->upload_path/$file_name")){
$notice .= "Error: Unable to move uploaded file. Make sure path: $this->upload_path exists and is writeable. Try chmod 0755 (or 0777 is you must) on the destination path.\n";
return;
}
return $file_name;
}
function upload_delete($table_name, $identity_name, $identity_id, $field_name = '*', $input_control = array()){
// purpose: delete uploaded files, called from get_upload()
// returns: true on success or false on error
$identity_id = $this->cast_id($identity_id);
if($field_name != '*')
$field_name = "`$field_name`";
// get 1 row of data
$sql_param = array(':identity_id' => $identity_id);
$sql = "select $field_name from `$table_name` where `$identity_name` = :identity_id";
$result = $this->query($sql, $sql_param, 'upload_delete()');
if(!is_array($result))
$result = array();
if(count($result) == 0){
$this->display_error('Unable to locate record.', 'upload_delete()');
return false;
}
// loop thru fields
$row = $result[0];
foreach($row as $column_name => $val){
if(mb_strlen($val) == 0)
continue;
// uploads only
if(!$this->is_upload($input_control, $column_name))
continue;
// delete files
if(mb_strlen($this->upload_path) > 0)
@unlink("$this->upload_path/$val");
if(mb_strlen($this->thumb_path) > 0)
@unlink("$this->thumb_path/$val");
// empty field now that file is deleted
$sql = "update `$table_name` set `$column_name` = null where `$identity_name` = :identity_id;";
$result = $this->query($sql, $sql_param, 'upload_delete()');
if($result === false)
return false;
}
return true;
}
function upload_rename_if_exists($path, $file_name){
// purpose: return a new file name if file exists; foo.pdf returns foo_2.pdf then foo_3.pdf, etc...
while(file_exists("$path/$file_name")){
$number = 2;
$ext = pathinfo($file_name, PATHINFO_EXTENSION);
$prefix = mb_substr($file_name, 0, mb_strlen($file_name) - mb_strlen($ext) - 1);
// extract and increment number at the end of the prefix
preg_match('/_([0-9]+)$/', $prefix, $matches);
if(count($matches) == 2){
$prefix = mb_substr($prefix, 0, mb_strlen($prefix) - mb_strlen($matches[0]));
$number = $matches[1];
$number++;
}
$file_name = "{$prefix}_{$number}.{$ext}";
}
return $file_name;
}
function image_resize($file_name, $max_width, $max_height, $output_to_browser = false){
// purpose: resize image but keep orignal aspect ratio. if output_to_browser = false, then file is altered and saved.
// returns: nothing
$ext = mb_strtolower(pathinfo($file_name, PATHINFO_EXTENSION));
if(!($ext == 'jpg' || $ext == 'jpeg' || $ext == 'gif' || $ext == 'png'))
return;
list($orig_width, $orig_height) = getimagesize($file_name);
// invalid image or nothing to do
if($orig_width == 0 || $orig_height == 0 || $max_width == 0 || $max_height == 0)
return;
// image is already smaller than maximum size
if($orig_width < $max_width && $orig_height < $max_height)
return;
$width = $orig_width;
$height = $orig_height;
// taller
if($height > $max_height){
$width = ($max_height / $height) * $width;
$height = $max_height;
}
// wider
if($width > $max_width){
$height = ($max_width / $width) * $height;
$width = $max_width;
}
$image_p = @imagecreatetruecolor($width, $height);
if($ext == 'gif')
$image = @imagecreatefromgif($file_name);
elseif($ext == 'png')
$image = @imagecreatefrompng($file_name);
else
$image = @imagecreatefromjpeg($file_name);
@imagecopyresampled($image_p, $image, 0, 0, 0, 0, $width, $height, $orig_width, $orig_height);
if($output_to_browser){
if($ext == 'gif'){
header('Content-type: image/gif');
@imagegif($image_p);
}
elseif($ext == 'png'){
header('Content-type: image/png');
@imagepng($image_p);
}
else{
header('Content-type: image/jpeg');
@imagejpeg($image_p, '', $this->image_quality);
}
}
else{
if($ext == 'gif')
@imagegif($image_p, $file_name);
elseif($ext == 'png')
@imagepng($image_p, $file_name);
else
@imagejpeg($image_p, $file_name, $this->image_quality);
}
}
function image_crop($file_name, $desired_width, $desired_height, $output_to_browser = false){
// purpose: crop image changes aspect ratio to match the requested dimensions. if output_to_browser = false, then file is altered and saved.
// returns: nothing
$ext = mb_strtolower(pathinfo($file_name, PATHINFO_EXTENSION));
if(!($ext == 'jpg' || $ext == 'jpeg' || $ext == 'gif' || $ext == 'png'))
return;
// get new dimensions
list($width, $height) = getimagesize($file_name);
// nothing to do
if($height == 0 || $width == 0 || $desired_height == 0 || $desired_width == 0)
return;
// nothing to do
if($height == $desired_height && $width == $desired_width && $output_to_browser == false)
return;
if($desired_width / $desired_height > $width / $height){
$new_width = $desired_width;
$new_height = $height * ($desired_width / $width);
}
else{
$new_width = $width * ($desired_height / $height);
$new_height = $desired_height;
}
// resize
$image_p = @imagecreatetruecolor($new_width, $new_height);
$image_f = @imagecreatetruecolor($desired_width, $desired_height);
if($ext == 'png')
$image = @imagecreatefrompng($file_name);
elseif($ext == 'gif')
$image = @imagecreatefromgif($file_name);
else
$image = @imagecreatefromjpeg($file_name);
@imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
// top center cropping
$x = ($new_width - $desired_width) / 2;
$y = ($new_height - $desired_height) / 5;
@imagecopyresampled($image_f, $image_p, 0, 0, $x, $y, $desired_width, $desired_height, $desired_width, $desired_height);
// save or output
if($output_to_browser){
if($ext == 'gif'){
header('Content-type: image/gif');
@imagegif($image_f);
}
elseif($ext == 'png'){
header('Content-type: image/png');
@imagepng($image_f);
}
else{
header('Content-type: image/jpeg');
@imagejpeg($image_f, '', $this->image_quality);
}
}
else{
if($ext == 'gif')
@imagegif($image_f, $file_name);
elseif($ext == 'png')
@imagepng($image_f, $file_name);
else
imagejpeg($image_f, $file_name, $this->image_quality);
}
}
function display_error($error, $source_function){
// purpose: display errors to user.
$msg = nl2br($this->clean_out("Error: $error\nSent From: $source_function"));
echo "<div class='lm_error'>$msg</div>" ;
}
function query($sql, $sql_param = array(), $source_function = '', $display_error = true){
// purpose: wrapper for pdo db call
// returns: returns array of results, an empty array for no results, or false on error
if(!$this->set_names){
$sth = $this->dbh->prepare("set names $this->charset_mysql");
$sth->execute();
$this->set_names = true;
}
$sth = $this->dbh->prepare($sql);
if(!$sth->execute($sql_param)){
$arr = $sth->errorInfo();
$error = $arr[2];
if($display_error)
$this->display_error("$error\nsql: $sql\narr_sql_param: " . print_r($sql_param, true), $source_function);
return false;
}
if(preg_match('/^insert/i', ltrim($sql)))
return $this->cast_id($this->dbh->lastInsertId());
if($sth->columnCount() == 0)
return array();
else
return $sth->fetchAll(PDO::FETCH_ASSOC);
}
function safe_np($named_parameter){
// purpose: remove illegal characters from pdo named parameter (w/o colon).
// returns: string
return preg_replace('/[^a-zA-Z0-9_]/', '', $named_parameter);
}
function redirect($url, $automatic = true){
// purpose: redirect user to url
// returns: html redirect
// if $automatic is false user has to click "continue" to proceed.
if($automatic === false){
echo("<center><a href='$url'>Continue</a></center>");
return;
}
$port = '';
$host = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']); // host without port number
$protocol = 'http://';
if(@$_SERVER['HTTPS'] != '' && @$_SERVER['HTTPS'] != 'off')
$protocol = 'https://';
if(!($_SERVER['SERVER_PORT'] == '80' || $_SERVER['SERVER_PORT'] == '443'))
$port = ':' . $_SERVER['SERVER_PORT'];
if(!isset($_SESSION))
session_write_close();
header("Location: $protocol$host$port$url");
die;
}
function get_uri_path(){
// purpose: get request uri without the querystring but with query delimiter. user can also specify a URI.
// returns: uri path string
static $uri_path = false;
// user defined uri
if(mb_strlen($this->uri_path) > 0){
if(mb_strstr($this->uri_path, '?'))
$uri_path = $this->uri_path . '&'; // if user specifies URI, it may already have a ?
else
$uri_path = $this->uri_path . '?';
}
if($uri_path)
return $uri_path;
$arr = parse_url($_SERVER['REQUEST_URI']);
$uri_path = $arr['path'];
if($uri_path == '')
$uri_path = '/';
$uri_path = $uri_path . '?';
return $uri_path;
}
function get_class_name($input_name){
// purpose: generate class name from form input name; remove '-id' or '[]' suffix
// returns: string
return 'lm_' . preg_replace('/(-[0-9]+)|(\[\])$/', '', $input_name);
}
function is_upload(&$input_control, &$column_name){
// purpose: see if column is an upload type
// returns: boolean
if(@$input_control[$column_name] == '--image' || @$input_control[$column_name] == '--document')
return true;
return false;
}
function export(&$result, $columns){
// purpose: send database result in CSV format to browser.
if(mb_strlen($this->export_csv_file_name) > 0)
$file_name = $this->export_csv_file_name;
elseif(mb_strlen($this->table) > 0)
$file_name = $this->clean_file_name($this->table . '.csv');
else
$file_name = 'download.csv';
// output buffering required
$arr = ob_get_status();
$level = intval($arr['level']);
if($level <= 0){
$error = "ob_start() or ob_start('ob_gzhandler') must be called at the beginning of the script to use CSV Export.";
$this->display_error($error, 'export()');
return;
}
// erase any existing buffers
while($level >= 1 ){
ob_end_clean();
$level--;
}
if(!ob_start('ob_gzhandler'))
ob_start();
header("Cache-Control: maxage=1");
header("Pragma: public");
header("Content-Type: application/csv");
header("Content-Disposition: attachment; filename=$file_name");
// remove last column if last column is the identity that holds the [edit] and [delete] links
if(end($columns) == $this->identity_name)
array_pop($columns);
// header row
foreach($columns as $key => $val)
echo $this->export_escape($val);
echo "\n";
// loop thru data
foreach($result as $row){
foreach($columns as $val)
echo $this->export_escape($row[$val]);
echo "\n";
}
ob_end_flush();
die();
}
function export_escape($str){
// purpose: escape for export()
// returns: csv quoted and escaped string
return '"' . str_replace('"', '\"', $str) . '",';
}
function validate(&$validate){
// purpose: run validation
// return false if any input fails validation
// alters the $validate array adding bool flag corresponding to column name
// $validate is an array of arrays
// [0] string $regexp_or_user_function
// [1] string $error_message
// [2] string $tip_placeholder
// [3] boolean $optional_input
// [4] boolean - holds result from validation process - false means input failed validation
$columns = $this->get_columns('form');
$all_valid = true;
foreach($columns as $column_name){
$regexp_or_user_func = @$validate[$column_name][0];
if($regexp_or_user_func == '')
continue;
$val = @$_POST[$column_name];
if(is_array($val))
$val = implode($this->delim, $val);
$val = trim($val);
// don't validate empty optional parameters
if(@$validate[$column_name][3] === true && $val == '')
continue;
if($regexp_or_user_func == 'email')
$is_valid = filter_var($val, FILTER_VALIDATE_EMAIL);
elseif(mb_substr($regexp_or_user_func, 0, 1) != '/')
$is_valid = call_user_func($regexp_or_user_func);
else
$is_valid = preg_match($regexp_or_user_func, $val);
$validate[$column_name][4] = (bool)$is_valid;
// add error msg if missing for some reason
if(@$validate[$column_name][1] == '')
$validate[$column_name][1] == 'Missing or Invalid Input';
if(!$is_valid)
$all_valid = false;
}
return $all_valid;
}
}
AnonSec - 2021 | Recode By D7net