| 1 |
<?php |
| 2 |
if ( ! defined( 'ABSPATH' ) ) { |
| 3 |
die( 'You are not allowed to call this page directly.' ); |
| 4 |
} |
| 5 |
|
| 6 |
class FrmCSVExportHelper { |
| 7 |
|
| 8 |
protected static $separator = ', '; |
| 9 |
protected static $column_separator = ','; |
| 10 |
protected static $line_break = 'return'; |
| 11 |
protected static $charset = 'UTF-8'; |
| 12 |
protected static $to_encoding = 'UTF-8'; |
| 13 |
protected static $wp_date_format = 'Y-m-d H:i:s'; |
| 14 |
protected static $comment_count = 0; |
| 15 |
protected static $form_id = 0; |
| 16 |
protected static $headings = array(); |
| 17 |
protected static $fields = array(); |
| 18 |
protected static $entry; |
| 19 |
protected static $has_parent_id; |
| 20 |
protected static $fields_by_repeater_id; |
| 21 |
|
| 22 |
public static function csv_format_options() { |
| 23 |
$formats = array( 'UTF-8', 'ISO-8859-1', 'windows-1256', 'windows-1251', 'macintosh' ); |
| 24 |
$formats = apply_filters( 'frm_csv_format_options', $formats ); |
| 25 |
|
| 26 |
return $formats; |
| 27 |
} |
| 28 |
|
| 29 |
public static function generate_csv( $atts ) { |
| 30 |
global $frm_vars; |
| 31 |
$frm_vars['prevent_caching'] = true; |
| 32 |
|
| 33 |
self::$fields = $atts['form_cols']; |
| 34 |
self::$form_id = $atts['form']->id; |
| 35 |
self::set_class_paramters(); |
| 36 |
self::set_has_parent_id( $atts['form'] ); |
| 37 |
|
| 38 |
$filename = apply_filters( 'frm_csv_filename', gmdate( 'ymdHis', time() ) . '_' . sanitize_title_with_dashes( $atts['form']->name ) . '_formidable_entries.csv', $atts['form'] ); |
| 39 |
unset( $atts['form'], $atts['form_cols'] ); |
| 40 |
|
| 41 |
self::print_file_headers( $filename ); |
| 42 |
unset( $filename ); |
| 43 |
|
| 44 |
$comment_count = FrmDb::get_count( |
| 45 |
'frm_item_metas', |
| 46 |
array( |
| 47 |
'item_id' => $atts['entry_ids'], |
| 48 |
'field_id' => 0, |
| 49 |
'meta_value like' => '{', |
| 50 |
), |
| 51 |
array( |
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'group_by' => 'item_id', |
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'order_by' => 'count(*) DESC', |
| 54 |
'limit' => 1, |
| 55 |
) |
| 56 |
); |
| 57 |
self::$comment_count = $comment_count; |
| 58 |
|
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self::prepare_csv_headings(); |
| 60 |
|
| 61 |
// fetch 20 posts at a time rather than loading the entire table into memory |
| 62 |
while ( $next_set = array_splice( $atts['entry_ids'], 0, 20 ) ) { |
| 63 |
self::prepare_next_csv_rows( $next_set ); |
| 64 |
} |
| 65 |
} |
| 66 |
|
| 67 |
private static function set_class_paramters() { |
| 68 |
self::$separator = apply_filters( 'frm_csv_sep', self::$separator ); |
| 69 |
self::$line_break = apply_filters( 'frm_csv_line_break', self::$line_break ); |
| 70 |
self::$wp_date_format = apply_filters( 'frm_csv_date_format', self::$wp_date_format ); |
| 71 |
self::get_csv_format(); |
| 72 |
self::$charset = get_option( 'blog_charset' ); |
| 73 |
|
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$col_sep = ( isset( $_POST['csv_col_sep'] ) && ! empty( $_POST['csv_col_sep'] ) ) ? sanitize_text_field( wp_unslash( $_POST['csv_col_sep'] ) ) : self::$column_separator; |
| 75 |
|
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self::$column_separator = apply_filters( 'frm_csv_column_sep', $col_sep ); |
| 77 |
} |
| 78 |
|
| 79 |
private static function set_has_parent_id( $form ) { |
| 80 |
self::$has_parent_id = $form->parent_form_id > 0; |
| 81 |
} |
| 82 |
|
| 83 |
private static function print_file_headers( $filename ) { |
| 84 |
header( 'Content-Description: File Transfer' ); |
| 85 |
header( 'Content-Disposition: attachment; filename="' . esc_attr( $filename ) . '"' ); |
| 86 |
header( 'Content-Type: text/csv; charset=' . self::$charset, true ); |
| 87 |
header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', mktime( gmdate( 'H' ) + 2, gmdate( 'i' ), gmdate( 's' ), gmdate( 'm' ), gmdate( 'd' ), gmdate( 'Y' ) ) ) . ' GMT' ); |
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header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' ); |
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header( 'Cache-Control: no-cache, must-revalidate' ); |
| 90 |
header( 'Pragma: no-cache' ); |
| 91 |
|
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do_action( |
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'frm_csv_headers', |
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array( |
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'form_id' => self::$form_id, |
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'fields' => self::$fields, |
| 97 |
) |
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); |
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} |
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|
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public static function get_csv_format() { |
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$csv_format = FrmAppHelper::get_post_param( 'csv_format', 'UTF-8', 'sanitize_text_field' ); |
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$csv_format = apply_filters( 'frm_csv_format', $csv_format ); |
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self::$to_encoding = $csv_format; |
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} |
| 106 |
|
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private static function prepare_csv_headings() { |
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$headings = array(); |
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self::csv_headings( $headings ); |
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$headings = apply_filters( |
| 111 |
'frm_csv_columns', |
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$headings, |
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self::$form_id, |
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array( |
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'fields' => self::$fields, |
| 116 |
) |
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); |
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self::$headings = $headings; |
| 119 |
|
| 120 |
self::print_csv_row( $headings ); |
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} |
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|
| 123 |
private static function field_headings( $col ) { |
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$field_type_obj = FrmFieldFactory::get_field_factory( $col ); |
| 125 |
if ( ! empty( $field_type_obj->is_combo_field ) ) { // This is combo field. |
| 126 |
return $field_type_obj->get_export_headings(); |
| 127 |
} |
| 128 |
|
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$field_headings = array(); |
| 130 |
$separate_values = array( 'user_id', 'file', 'data', 'date' ); |
| 131 |
if ( ! empty( $col->field_options['separate_value'] ) && ! in_array( $col->type, $separate_values, true ) ) { |
| 132 |
$field_headings[ $col->id . '_label' ] = strip_tags( $col->name . ' ' . __( '(label)', 'formidable' ) ); |
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} |
| 134 |
|
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$field_headings[ $col->id ] = strip_tags( $col->name ); |
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$field_headings = apply_filters( |
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'frm_csv_field_columns', |
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$field_headings, |
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array( |
| 140 |
'field' => $col, |
| 141 |
) |
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); |
| 143 |
|
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return $field_headings; |
| 145 |
} |
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|
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private static function csv_headings( &$headings ) { |
| 148 |
$fields_by_repeater_id = array(); |
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$repeater_ids = array(); |
| 150 |
|
| 151 |
foreach ( self::$fields as $col ) { |
| 152 |
if ( self::is_the_child_of_a_repeater( $col ) ) { |
| 153 |
$repeater_id = $col->field_options['in_section']; |
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$headings[ 'repeater' . $repeater_id ] = array(); // set a placeholder to maintain order for repeater fields |
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|
| 156 |
if ( ! isset( $fields_by_repeater_id[ $repeater_id ] ) ) { |
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$fields_by_repeater_id[ $repeater_id ] = array(); |
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$repeater_ids[] = $repeater_id; |
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} |
| 160 |
|
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$fields_by_repeater_id[ $repeater_id ][] = $col; |
| 162 |
|
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continue; |
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} |
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|
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$headings += self::field_headings( $col ); |
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} |
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unset( $repeater_id, $col ); |
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|
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if ( $repeater_ids ) { |
| 171 |
$where = array( 'field_id' => $repeater_ids ); |
| 172 |
$repeater_meta = FrmDb::get_results( 'frm_item_metas', $where, 'field_id, meta_value' ); |
| 173 |
$max = array_fill_keys( $repeater_ids, 0 ); |
| 174 |
|
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foreach ( $repeater_meta as $row ) { |
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$start = strpos( $row->meta_value, 'a:' ) + 2; |
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$end = strpos( $row->meta_value, ':{' ); |
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$length = substr( $row->meta_value, $start, $end - $start ); |
| 179 |
|
| 180 |
if ( $length > $max[ $row->field_id ] ) { |
| 181 |
$max[ $row->field_id ] = $length; |
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} |
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} |
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unset( $start, $end, $length, $row, $repeater_meta, $where ); |
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|
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$flat = array(); |
| 187 |
foreach ( $headings as $key => $heading ) { |
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if ( is_array( $heading ) ) { |
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$repeater_id = str_replace( 'repeater', '', $key ); |
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|
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$repeater_headings = array(); |
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foreach ( $fields_by_repeater_id[ $repeater_id ] as $col ) { |
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$repeater_headings += self::field_headings( $col ); |
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} |
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|
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for ( $i = 0; $i < $max[ $repeater_id ]; $i ++ ) { |
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foreach ( $repeater_headings as $repeater_key => $repeater_name ) { |
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$flat[ $repeater_key . '[' . $i . ']' ] = $repeater_name; |
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} |
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} |
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} else { |
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$flat[ $key ] = $heading; |
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} |
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} |
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|
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self::$fields_by_repeater_id = $fields_by_repeater_id; |
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|
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unset( $key, $heading, $max, $repeater_headings, $repeater_id, $fields_by_repeater_id ); |
| 209 |
|
| 210 |
$headings = $flat; |
| 211 |
unset( $flat ); |
| 212 |
} |
| 213 |
|
| 214 |
if ( self::$comment_count ) { |
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for ( $i = 0; $i < self::$comment_count; $i ++ ) { |
| 216 |
$headings[ 'comment' . $i ] = __( 'Comment', 'formidable' ); |
| 217 |
$headings[ 'comment_user_id' . $i ] = __( 'Comment User', 'formidable' ); |
| 218 |
$headings[ 'comment_created_at' . $i ] = __( 'Comment Date', 'formidable' ); |
| 219 |
} |
| 220 |
unset( $i ); |
| 221 |
} |
| 222 |
|
| 223 |
$headings['created_at'] = __( 'Timestamp', 'formidable' ); |
| 224 |
$headings['updated_at'] = __( 'Last Updated', 'formidable' ); |
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$headings['user_id'] = __( 'Created By', 'formidable' ); |
| 226 |
$headings['updated_by'] = __( 'Updated By', 'formidable' ); |
| 227 |
$headings['is_draft'] = __( 'Draft', 'formidable' ); |
| 228 |
$headings['ip'] = __( 'IP', 'formidable' ); |
| 229 |
$headings['id'] = __( 'ID', 'formidable' ); |
| 230 |
$headings['item_key'] = __( 'Key', 'formidable' ); |
| 231 |
if ( self::has_parent_id() ) { |
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$headings['parent_id'] = __( 'Parent ID', 'formidable' ); |
| 233 |
} |
| 234 |
|
| 235 |
$headings = apply_filters( 'frm_export_csv_headings', $headings ); |
| 236 |
} |
| 237 |
|
| 238 |
/** |
| 239 |
* @param object $field |
| 240 |
* @return bool |
| 241 |
*/ |
| 242 |
private static function is_the_child_of_a_repeater( $field ) { |
| 243 |
if ( $field->form_id === self::$form_id || empty( $field->field_options['in_section'] ) ) { |
| 244 |
return false; |
| 245 |
} |
| 246 |
|
| 247 |
$section_id = $field->field_options['in_section']; |
| 248 |
$section = FrmField::getOne( $section_id ); |
| 249 |
|
| 250 |
if ( ! $section ) { |
| 251 |
return false; |
| 252 |
} |
| 253 |
|
| 254 |
return FrmField::is_repeating_field( $section ); |
| 255 |
} |
| 256 |
|
| 257 |
private static function has_parent_id() { |
| 258 |
return self::$has_parent_id; |
| 259 |
} |
| 260 |
|
| 261 |
private static function prepare_next_csv_rows( $next_set ) { |
| 262 |
// order by parent_item_id so children will be first |
| 263 |
$where = array( |
| 264 |
'or' => 1, |
| 265 |
'id' => $next_set, |
| 266 |
'parent_item_id' => $next_set, |
| 267 |
); |
| 268 |
$entries = FrmEntry::getAll( $where, ' ORDER BY parent_item_id DESC', '', true, false ); |
| 269 |
|
| 270 |
foreach ( $entries as $k => $entry ) { |
| 271 |
self::$entry = $entry; |
| 272 |
unset( $entry ); |
| 273 |
|
| 274 |
if ( self::$entry->form_id !== self::$form_id ) { |
| 275 |
self::add_repeat_field_values_to_csv( $entries ); |
| 276 |
} else { |
| 277 |
self::prepare_csv_row(); |
| 278 |
} |
| 279 |
} |
| 280 |
} |
| 281 |
|
| 282 |
private static function prepare_csv_row() { |
| 283 |
$row = array(); |
| 284 |
self::add_field_values_to_csv( $row ); |
| 285 |
self::add_entry_data_to_csv( $row ); |
| 286 |
$row = apply_filters( |
| 287 |
'frm_csv_row', |
| 288 |
$row, |
| 289 |
array( |
| 290 |
'entry' => self::$entry, |
| 291 |
'date_format' => self::$wp_date_format, |
| 292 |
'comment_count' => self::$comment_count, |
| 293 |
) |
| 294 |
); |
| 295 |
self::print_csv_row( $row ); |
| 296 |
} |
| 297 |
|
| 298 |
private static function add_repeat_field_values_to_csv( &$entries ) { |
| 299 |
if ( isset( self::$entry->metas ) ) { |
| 300 |
// add child entries to the parent |
| 301 |
foreach ( self::$entry->metas as $meta_id => $meta_value ) { |
| 302 |
if ( ! is_numeric( $meta_id ) || '' === $meta_value ) { |
| 303 |
// if the hook is being used to include field keys in the metas array, |
| 304 |
// we need to skip the keys and only process field ids |
| 305 |
continue; |
| 306 |
} |
| 307 |
|
| 308 |
if ( ! isset( $entries[ self::$entry->parent_item_id ] ) ) { |
| 309 |
$entries[ self::$entry->parent_item_id ] = new stdClass(); |
| 310 |
$entries[ self::$entry->parent_item_id ]->metas = array(); |
| 311 |
} |
| 312 |
|
| 313 |
if ( ! isset( $entries[ self::$entry->parent_item_id ]->metas[ $meta_id ] ) ) { |
| 314 |
$entries[ self::$entry->parent_item_id ]->metas[ $meta_id ] = array(); |
| 315 |
} elseif ( ! is_array( $entries[ self::$entry->parent_item_id ]->metas[ $meta_id ] ) ) { |
| 316 |
// if the data is here, it should be an array but if this field has collected data |
| 317 |
// both while inside and outside of the repeating section, it's possible this is a string |
| 318 |
$entries[ self::$entry->parent_item_id ]->metas[ $meta_id ] = (array) $entries[ self::$entry->parent_item_id ]->metas[ $meta_id ]; |
| 319 |
} |
| 320 |
|
| 321 |
//add the repeated values |
| 322 |
$entries[ self::$entry->parent_item_id ]->metas[ $meta_id ][] = $meta_value; |
| 323 |
} |
| 324 |
|
| 325 |
self::$entry->metas = self::fill_missing_repeater_metas( self::$entry->metas, $entries ); |
| 326 |
$entries[ self::$entry->parent_item_id ]->metas += self::$entry->metas; |
| 327 |
} |
| 328 |
|
| 329 |
// add the embedded form id |
| 330 |
if ( ! isset( $entries[ self::$entry->parent_item_id ]->embedded_fields ) ) { |
| 331 |
$entries[ self::$entry->parent_item_id ]->embedded_fields = array(); |
| 332 |
} |
| 333 |
$entries[ self::$entry->parent_item_id ]->embedded_fields[ self::$entry->id ] = self::$entry->form_id; |
| 334 |
} |
| 335 |
|
| 336 |
/** |
| 337 |
* When an empty field is saved, it isn't saved as a meta value |
| 338 |
* The export needs all of the meta to be filled in, so we put blank strings for every missing repeater child |
| 339 |
* |
| 340 |
* @param array $metas |
| 341 |
* @param array $entries |
| 342 |
* @return array |
| 343 |
*/ |
| 344 |
private static function fill_missing_repeater_metas( $metas, &$entries ) { |
| 345 |
$field_ids = array_keys( $metas ); |
| 346 |
$field_id = end( $field_ids ); |
| 347 |
$field = self::get_field( $field_id ); |
| 348 |
|
| 349 |
if ( ! $field || empty( $field->field_options['in_section'] ) ) { |
| 350 |
return $metas; |
| 351 |
} |
| 352 |
|
| 353 |
$repeater_id = $field->field_options['in_section']; |
| 354 |
if ( ! isset( self::$fields_by_repeater_id[ $repeater_id ] ) ) { |
| 355 |
return $metas; |
| 356 |
} |
| 357 |
|
| 358 |
foreach ( self::$fields_by_repeater_id[ $repeater_id ] as $repeater_child ) { |
| 359 |
if ( ! isset( $metas[ $repeater_child->id ] ) ) { |
| 360 |
$metas[ $repeater_child->id ] = ''; |
| 361 |
$entries[ self::$entry->parent_item_id ]->metas[ $repeater_child->id ][] = ''; |
| 362 |
} |
| 363 |
} |
| 364 |
|
| 365 |
return $metas; |
| 366 |
} |
| 367 |
|
| 368 |
private static function get_field( $field_id ) { |
| 369 |
$field_id = (int) $field_id; |
| 370 |
foreach ( self::$fields as $field ) { |
| 371 |
if ( $field_id === (int) $field->id ) { |
| 372 |
return $field; |
| 373 |
} |
| 374 |
} |
| 375 |
return false; |
| 376 |
} |
| 377 |
|
| 378 |
private static function add_field_values_to_csv( &$row ) { |
| 379 |
foreach ( self::$fields as $col ) { |
| 380 |
$field_value = isset( self::$entry->metas[ $col->id ] ) ? self::$entry->metas[ $col->id ] : false; |
| 381 |
|
| 382 |
FrmAppHelper::unserialize_or_decode( $field_value ); |
| 383 |
self::add_array_values_to_columns( $row, compact( 'col', 'field_value' ) ); |
| 384 |
|
| 385 |
$field_value = apply_filters( |
| 386 |
'frm_csv_value', |
| 387 |
$field_value, |
| 388 |
array( |
| 389 |
'field' => $col, |
| 390 |
'entry' => self::$entry, |
| 391 |
'separator' => self::$separator, |
| 392 |
) |
| 393 |
); |
| 394 |
|
| 395 |
if ( ! empty( $col->field_options['separate_value'] ) ) { |
| 396 |
$label_key = $col->id . '_label'; |
| 397 |
if ( self::is_the_child_of_a_repeater( $col ) ) { |
| 398 |
$row[ $label_key ] = array(); |
| 399 |
foreach ( $field_value as $value ) { |
| 400 |
$row[ $label_key ][] = self::get_separate_value_label( $value, $col ); |
| 401 |
} |
| 402 |
} else { |
| 403 |
$row[ $label_key ] = self::get_separate_value_label( $field_value, $col ); |
| 404 |
} |
| 405 |
unset( $label_key ); |
| 406 |
} |
| 407 |
|
| 408 |
$row[ $col->id ] = $field_value; |
| 409 |
|
| 410 |
unset( $col, $field_value ); |
| 411 |
} |
| 412 |
} |
| 413 |
|
| 414 |
/** |
| 415 |
* @since 5.0.06 |
| 416 |
* |
| 417 |
* @param mixed $field_value |
| 418 |
* @param stdClass $field |
| 419 |
* @return string |
| 420 |
*/ |
| 421 |
private static function get_separate_value_label( $field_value, $field ) { |
| 422 |
return FrmEntriesHelper::display_value( |
| 423 |
$field_value, |
| 424 |
$field, |
| 425 |
array( |
| 426 |
'type' => $field->type, |
| 427 |
'post_id' => self::$entry->post_id, |
| 428 |
'show_icon' => false, |
| 429 |
'entry_id' => self::$entry->id, |
| 430 |
'sep' => self::$separator, |
| 431 |
'embedded_field_id' => ( isset( self::$entry->embedded_fields ) && isset( self::$entry->embedded_fields[ self::$entry->id ] ) ) ? 'form' . self::$entry->embedded_fields[ self::$entry->id ] : 0, |
| 432 |
) |
| 433 |
); |
| 434 |
} |
| 435 |
|
| 436 |
/** |
| 437 |
* @since 2.0.23 |
| 438 |
*/ |
| 439 |
private static function add_array_values_to_columns( &$row, $atts ) { |
| 440 |
if ( is_array( $atts['field_value'] ) ) { |
| 441 |
foreach ( $atts['field_value'] as $key => $sub_value ) { |
| 442 |
if ( is_array( $sub_value ) ) { |
| 443 |
// This is combo field inside repeater. The heading key has this format: [86_first[0]]. |
| 444 |
foreach ( $sub_value as $sub_key => $sub_sub_value ) { |
| 445 |
$column_key = $atts['col']->id . '_' . $sub_key . '[' . $key . ']'; |
| 446 |
if ( ! is_numeric( $sub_key ) && isset( self::$headings[ $column_key ] ) ) { |
| 447 |
$row[ $column_key ] = $sub_sub_value; |
| 448 |
} |
| 449 |
} |
| 450 |
|
| 451 |
continue; |
| 452 |
} |
| 453 |
|
| 454 |
$column_key = $atts['col']->id . '_' . $key; |
| 455 |
if ( ! is_numeric( $key ) && isset( self::$headings[ $column_key ] ) ) { |
| 456 |
$row[ $column_key ] = $sub_value; |
| 457 |
} |
| 458 |
} |
| 459 |
} |
| 460 |
} |
| 461 |
|
| 462 |
private static function add_entry_data_to_csv( &$row ) { |
| 463 |
$row['created_at'] = FrmAppHelper::get_formatted_time( self::$entry->created_at, self::$wp_date_format, ' ' ); |
| 464 |
$row['updated_at'] = FrmAppHelper::get_formatted_time( self::$entry->updated_at, self::$wp_date_format, ' ' ); |
| 465 |
$row['user_id'] = self::$entry->user_id; |
| 466 |
$row['updated_by'] = self::$entry->updated_by; |
| 467 |
$row['is_draft'] = self::$entry->is_draft ? '1' : '0'; |
| 468 |
$row['ip'] = self::$entry->ip; |
| 469 |
$row['id'] = self::$entry->id; |
| 470 |
$row['item_key'] = self::$entry->item_key; |
| 471 |
if ( self::has_parent_id() ) { |
| 472 |
$row['parent_id'] = self::$entry->parent_item_id; |
| 473 |
} |
| 474 |
} |
| 475 |
|
| 476 |
private static function print_csv_row( $rows ) { |
| 477 |
$sep = ''; |
| 478 |
|
| 479 |
foreach ( self::$headings as $k => $heading ) { |
| 480 |
if ( isset( $rows[ $k ] ) ) { |
| 481 |
$row = $rows[ $k ]; |
| 482 |
} else { |
| 483 |
$row = ''; |
| 484 |
// array indexed data is not at $rows[ $k ] |
| 485 |
if ( $k[ strlen( $k ) - 1 ] === ']' ) { |
| 486 |
$start = strrpos( $k, '[' ); |
| 487 |
$key = substr( $k, 0, $start ++ ); |
| 488 |
$index = substr( $k, $start, strlen( $k ) - 1 - $start ); |
| 489 |
|
| 490 |
if ( isset( $rows[ $key ] ) && isset( $rows[ $key ][ $index ] ) ) { |
| 491 |
$row = $rows[ $key ][ $index ]; |
| 492 |
} |
| 493 |
|
| 494 |
unset( $start, $key, $index ); |
| 495 |
} |
| 496 |
} |
| 497 |
|
| 498 |
if ( is_array( $row ) ) { |
| 499 |
// implode the repeated field values |
| 500 |
$row = implode( self::$separator, FrmAppHelper::array_flatten( $row, 'reset' ) ); |
| 501 |
} |
| 502 |
|
| 503 |
$val = self::encode_value( $row ); |
| 504 |
if ( 'return' !== self::$line_break ) { |
| 505 |
$val = str_replace( array( "\r\n", "\r", "\n" ), self::$line_break, $val ); |
| 506 |
} |
| 507 |
|
| 508 |
echo $sep . '"' . $val . '"'; // WPCS: XSS ok. |
| 509 |
$sep = self::$column_separator; |
| 510 |
|
| 511 |
unset( $k, $row ); |
| 512 |
} |
| 513 |
echo "\n"; |
| 514 |
} |
| 515 |
|
| 516 |
public static function encode_value( $line ) { |
| 517 |
if ( '' === $line ) { |
| 518 |
return $line; |
| 519 |
} |
| 520 |
|
| 521 |
$convmap = false; |
| 522 |
|
| 523 |
switch ( self::$to_encoding ) { |
| 524 |
case 'macintosh': |
| 525 |
// this map was derived from the differences between the MacRoman and UTF-8 Charsets |
| 526 |
// Reference: |
| 527 |
// - http://www.alanwood.net/demos/macroman.html |
| 528 |
$convmap = array( 256, 304, 0, 0xffff, 306, 337, 0, 0xffff, 340, 375, 0, 0xffff, 377, 401, 0, 0xffff, 403, 709, 0, 0xffff, 712, 727, 0, 0xffff, 734, 936, 0, 0xffff, 938, 959, 0, 0xffff, 961, 8210, 0, 0xffff, 8213, 8215, 0, 0xffff, 8219, 8219, 0, 0xffff, 8227, 8229, 0, 0xffff, 8231, 8239, 0, 0xffff, 8241, 8248, 0, 0xffff, 8251, 8259, 0, 0xffff, 8261, 8363, 0, 0xffff, 8365, 8481, 0, 0xffff, 8483, 8705, 0, 0xffff, 8707, 8709, 0, 0xffff, 8711, 8718, 0, 0xffff, 8720, 8720, 0, 0xffff, 8722, 8729, 0, 0xffff, 8731, 8733, 0, 0xffff, 8735, 8746, 0, 0xffff, 8748, 8775, 0, 0xffff, 8777, 8799, 0, 0xffff, 8801, 8803, 0, 0xffff, 8806, 9673, 0, 0xffff, 9675, 63742, 0, 0xffff, 63744, 64256, 0, 0xffff ); |
| 529 |
break; |
| 530 |
case 'ISO-8859-1': |
| 531 |
$convmap = array( 256, 10000, 0, 0xffff ); |
| 532 |
} |
| 533 |
|
| 534 |
if ( is_array( $convmap ) ) { |
| 535 |
$line = mb_encode_numericentity( $line, $convmap, self::$charset ); |
| 536 |
} |
| 537 |
|
| 538 |
if ( self::$to_encoding !== self::$charset ) { |
| 539 |
$line = iconv( self::$charset, self::$to_encoding . '//IGNORE', $line ); |
| 540 |
} |
| 541 |
|
| 542 |
return self::escape_csv( $line ); |
| 543 |
} |
| 544 |
|
| 545 |
/** |
| 546 |
* Escape a " in a csv with another " |
| 547 |
* |
| 548 |
* @since 2.0 |
| 549 |
* @param mixed $value |
| 550 |
* @return mixed |
| 551 |
*/ |
| 552 |
public static function escape_csv( $value ) { |
| 553 |
if ( ! is_string( $value ) ) { |
| 554 |
return $value; |
| 555 |
} |
| 556 |
|
| 557 |
if ( '=' === $value[0] ) { |
| 558 |
// escape the = to prevent vulnerability |
| 559 |
$value = "'" . $value; |
| 560 |
} |
| 561 |
$value = str_replace( '"', '""', $value ); |
| 562 |
|
| 563 |
return $value; |
| 564 |
} |
| 565 |
} |
| 566 |
|
