| 1 |
<?php |
| 2 |
/** |
| 3 |
* CMB2 field sanitization |
| 4 |
* |
| 5 |
* @since 0.0.4 |
| 6 |
* |
| 7 |
* @category WordPress_Plugin |
| 8 |
* @package CMB2 |
| 9 |
* @author CMB2 team |
| 10 |
* @license GPL-2.0+ |
| 11 |
* @link https://cmb2.io |
| 12 |
* |
| 13 |
* @method string _id() |
| 14 |
*/ |
| 15 |
class CMB2_Sanitize { |
| 16 |
|
| 17 |
/** |
| 18 |
* A CMB field object |
| 19 |
* |
| 20 |
* @var CMB2_Field object |
| 21 |
*/ |
| 22 |
public $field; |
| 23 |
|
| 24 |
/** |
| 25 |
* Field's value |
| 26 |
* |
| 27 |
* @var mixed |
| 28 |
*/ |
| 29 |
public $value; |
| 30 |
|
| 31 |
/** |
| 32 |
* Setup our class vars |
| 33 |
* |
| 34 |
* @since 1.1.0 |
| 35 |
* @param CMB2_Field $field A CMB2 field object. |
| 36 |
* @param mixed $value Field value. |
| 37 |
*/ |
| 38 |
public function __construct( CMB2_Field $field, $value ) { |
| 39 |
$this->field = $field; |
| 40 |
$this->value = $value; |
| 41 |
} |
| 42 |
|
| 43 |
/** |
| 44 |
* Catchall method if field's 'sanitization_cb' is NOT defined, |
| 45 |
* or field type does not have a corresponding validation method. |
| 46 |
* |
| 47 |
* @since 1.0.0 |
| 48 |
* |
| 49 |
* @param string $name Non-existent method name. |
| 50 |
* @param array $arguments All arguments passed to the method. |
| 51 |
* @return mixed |
| 52 |
*/ |
| 53 |
public function __call( $name, $arguments ) { |
| 54 |
return $this->default_sanitization(); |
| 55 |
} |
| 56 |
|
| 57 |
/** |
| 58 |
* Default fallback sanitization method. Applies filters. |
| 59 |
* |
| 60 |
* @since 1.0.2 |
| 61 |
*/ |
| 62 |
public function default_sanitization() { |
| 63 |
$field_type = $this->field->type(); |
| 64 |
|
| 65 |
/** |
| 66 |
* This exists for back-compatibility, but validation |
| 67 |
* is not what happens here. |
| 68 |
* |
| 69 |
* @deprecated See documentation for "cmb2_sanitize_{$field_type}". |
| 70 |
*/ |
| 71 |
if ( function_exists( 'apply_filters_deprecated' ) ) { |
| 72 |
$override_value = apply_filters_deprecated( "cmb2_validate_{$field_type}", array( null, $this->value, $this->field->object_id, $this->field->args(), $this ), '2.0.0', "cmb2_sanitize_{$field_type}" ); |
| 73 |
} else { |
| 74 |
$override_value = apply_filters( "cmb2_validate_{$field_type}", null, $this->value, $this->field->object_id, $this->field->args(), $this ); |
| 75 |
} |
| 76 |
|
| 77 |
if ( null !== $override_value ) { |
| 78 |
return $override_value; |
| 79 |
} |
| 80 |
|
| 81 |
$sanitized_value = ''; |
| 82 |
switch ( $field_type ) { |
| 83 |
case 'wysiwyg': |
| 84 |
case 'textarea_small': |
| 85 |
case 'oembed': |
| 86 |
$sanitized_value = $this->textarea(); |
| 87 |
break; |
| 88 |
case 'taxonomy_select': |
| 89 |
case 'taxonomy_radio': |
| 90 |
case 'taxonomy_radio_inline': |
| 91 |
case 'taxonomy_radio_hierarchical': |
| 92 |
case 'taxonomy_multicheck': |
| 93 |
case 'taxonomy_multicheck_hierarchical': |
| 94 |
case 'taxonomy_multicheck_inline': |
| 95 |
$sanitized_value = $this->taxonomy(); |
| 96 |
break; |
| 97 |
case 'multicheck': |
| 98 |
case 'multicheck_inline': |
| 99 |
case 'file_list': |
| 100 |
case 'group': |
| 101 |
// no filtering |
| 102 |
$sanitized_value = $this->value; |
| 103 |
break; |
| 104 |
default: |
| 105 |
// Handle repeatable fields array |
| 106 |
// We'll fallback to 'sanitize_text_field' |
| 107 |
$sanitized_value = $this->_default_sanitization(); |
| 108 |
break; |
| 109 |
} |
| 110 |
|
| 111 |
return $this->_is_empty_array( $sanitized_value ) ? '' : $sanitized_value; |
| 112 |
} |
| 113 |
|
| 114 |
/** |
| 115 |
* Default sanitization method, sanitize_text_field. Checks if value is array. |
| 116 |
* |
| 117 |
* @since 2.2.4 |
| 118 |
* @return mixed Sanitized value. |
| 119 |
*/ |
| 120 |
protected function _default_sanitization() { |
| 121 |
// Handle repeatable fields array. |
| 122 |
return is_array( $this->value ) ? array_map( 'sanitize_text_field', $this->value ) : sanitize_text_field( $this->value ); |
| 123 |
} |
| 124 |
|
| 125 |
/** |
| 126 |
* Sets the object terms to the object (if not options-page) and optionally returns the sanitized term values. |
| 127 |
* |
| 128 |
* @since 2.2.4 |
| 129 |
* @return mixed Blank value, or sanitized term values if "cmb2_return_taxonomy_values_{$cmb_id}" is true. |
| 130 |
*/ |
| 131 |
public function taxonomy() { |
| 132 |
$sanitized_value = ''; |
| 133 |
|
| 134 |
if ( ! $this->field->args( 'taxonomy' ) ) { |
| 135 |
CMB2_Utils::log_if_debug( __METHOD__, __LINE__, "{$this->field->type()} {$this->field->_id()} is missing the 'taxonomy' parameter." ); |
| 136 |
} else { |
| 137 |
|
| 138 |
if ( in_array( $this->field->object_type, array( 'options-page', 'term' ), true ) ) { |
| 139 |
$return_values = true; |
| 140 |
} else { |
| 141 |
wp_set_object_terms( $this->field->object_id, $this->value, $this->field->args( 'taxonomy' ) ); |
| 142 |
$return_values = false; |
| 143 |
} |
| 144 |
|
| 145 |
$cmb_id = $this->field->cmb_id; |
| 146 |
|
| 147 |
/** |
| 148 |
* Filter whether 'taxonomy_*' fields should return their value when being sanitized. |
| 149 |
* |
| 150 |
* By default, these fields do not return a value as we do not want them stored to meta |
| 151 |
* (as they are stored as terms). This allows overriding that and is used by CMB2::get_sanitized_values(). |
| 152 |
* |
| 153 |
* The dynamic portion of the hook, $cmb_id, refers to the this field's CMB2 box id. |
| 154 |
* |
| 155 |
* @since 2.2.4 |
| 156 |
* |
| 157 |
* @param bool $return_values By default, this is only true for 'options-page' boxes. To enable: |
| 158 |
* `add_filter( "cmb2_return_taxonomy_values_{$cmb_id}", '__return_true' );` |
| 159 |
* @param CMB2_Sanitize $sanitizer This object. |
| 160 |
*/ |
| 161 |
if ( apply_filters( "cmb2_return_taxonomy_values_{$cmb_id}", $return_values, $this ) ) { |
| 162 |
$sanitized_value = $this->_default_sanitization(); |
| 163 |
} |
| 164 |
} |
| 165 |
|
| 166 |
return $sanitized_value; |
| 167 |
} |
| 168 |
|
| 169 |
/** |
| 170 |
* Simple checkbox validation |
| 171 |
* |
| 172 |
* @since 1.0.1 |
| 173 |
* @return string|false 'on' or false |
| 174 |
*/ |
| 175 |
public function checkbox() { |
| 176 |
return $this->value === 'on' ? 'on' : false; |
| 177 |
} |
| 178 |
|
| 179 |
/** |
| 180 |
* Validate url in a meta value. |
| 181 |
* |
| 182 |
* @since 1.0.1 |
| 183 |
* @return string Empty string or escaped url |
| 184 |
*/ |
| 185 |
public function text_url() { |
| 186 |
$protocols = $this->field->args( 'protocols' ); |
| 187 |
// for repeatable. |
| 188 |
if ( is_array( $this->value ) ) { |
| 189 |
foreach ( $this->value as $key => $val ) { |
| 190 |
$this->value[ $key ] = $val ? esc_url_raw( $val, $protocols ) : $this->field->get_default(); |
| 191 |
} |
| 192 |
} else { |
| 193 |
$this->value = $this->value ? esc_url_raw( $this->value, $protocols ) : $this->field->get_default(); |
| 194 |
} |
| 195 |
|
| 196 |
return $this->value; |
| 197 |
} |
| 198 |
|
| 199 |
public function colorpicker() { |
| 200 |
// for repeatable. |
| 201 |
if ( is_array( $this->value ) ) { |
| 202 |
$check = $this->value; |
| 203 |
$this->value = array(); |
| 204 |
foreach ( $check as $key => $val ) { |
| 205 |
if ( $val && '#' != $val ) { |
| 206 |
$this->value[ $key ] = esc_attr( $val ); |
| 207 |
} |
| 208 |
} |
| 209 |
} else { |
| 210 |
$this->value = ! $this->value || '#' == $this->value ? '' : esc_attr( $this->value ); |
| 211 |
} |
| 212 |
return $this->value; |
| 213 |
} |
| 214 |
|
| 215 |
/** |
| 216 |
* Validate email in a meta value |
| 217 |
* |
| 218 |
* @since 1.0.1 |
| 219 |
* @return string Empty string or sanitized email |
| 220 |
*/ |
| 221 |
public function text_email() { |
| 222 |
// for repeatable. |
| 223 |
if ( is_array( $this->value ) ) { |
| 224 |
foreach ( $this->value as $key => $val ) { |
| 225 |
$val = trim( $val ); |
| 226 |
$this->value[ $key ] = is_email( $val ) ? $val : ''; |
| 227 |
} |
| 228 |
} else { |
| 229 |
$this->value = trim( $this->value ); |
| 230 |
$this->value = is_email( $this->value ) ? $this->value : ''; |
| 231 |
} |
| 232 |
|
| 233 |
return $this->value; |
| 234 |
} |
| 235 |
|
| 236 |
/** |
| 237 |
* Validate money in a meta value |
| 238 |
* |
| 239 |
* @since 1.0.1 |
| 240 |
* @return string Empty string or sanitized money value |
| 241 |
*/ |
| 242 |
public function text_money() { |
| 243 |
if ( ! $this->value ) { |
| 244 |
return ''; |
| 245 |
} |
| 246 |
|
| 247 |
global $wp_locale; |
| 248 |
|
| 249 |
$search = array( $wp_locale->number_format['thousands_sep'], $wp_locale->number_format['decimal_point'] ); |
| 250 |
$replace = array( '', '.' ); |
| 251 |
|
| 252 |
// Strip slashes. Example: 2\'180.00. |
| 253 |
// See https://github.com/CMB2/CMB2/issues/1014. |
| 254 |
$this->value = wp_unslash( $this->value ); |
| 255 |
|
| 256 |
// for repeatable. |
| 257 |
if ( is_array( $this->value ) ) { |
| 258 |
foreach ( $this->value as $key => $val ) { |
| 259 |
if ( $val ) { |
| 260 |
$this->value[ $key ] = number_format_i18n( (float) str_ireplace( $search, $replace, $val ), 2 ); |
| 261 |
} |
| 262 |
} |
| 263 |
} else { |
| 264 |
$this->value = number_format_i18n( (float) str_ireplace( $search, $replace, $this->value ), 2 ); |
| 265 |
} |
| 266 |
|
| 267 |
return $this->value; |
| 268 |
} |
| 269 |
|
| 270 |
/** |
| 271 |
* Converts text date to timestamp |
| 272 |
* |
| 273 |
* @since 1.0.2 |
| 274 |
* @return string Timestring |
| 275 |
*/ |
| 276 |
public function text_date_timestamp() { |
| 277 |
// date_create_from_format if there is a slash in the value. |
| 278 |
$this->value = wp_unslash( $this->value ); |
| 279 |
|
| 280 |
return is_array( $this->value ) |
| 281 |
? array_map( array( $this->field, 'get_timestamp_from_value' ), $this->value ) |
| 282 |
: $this->field->get_timestamp_from_value( $this->value ); |
| 283 |
} |
| 284 |
|
| 285 |
/** |
| 286 |
* Datetime to timestamp |
| 287 |
* |
| 288 |
* @since 1.0.1 |
| 289 |
* |
| 290 |
* @param bool $repeat Whether or not to repeat. |
| 291 |
* @return string|array Timestring |
| 292 |
*/ |
| 293 |
public function text_datetime_timestamp( $repeat = false ) { |
| 294 |
// date_create_from_format if there is a slash in the value. |
| 295 |
$this->value = wp_unslash( $this->value ); |
| 296 |
|
| 297 |
$test = is_array( $this->value ) ? array_filter( $this->value ) : ''; |
| 298 |
if ( empty( $test ) ) { |
| 299 |
return ''; |
| 300 |
} |
| 301 |
|
| 302 |
$repeat_value = $this->_check_repeat( __FUNCTION__, $repeat ); |
| 303 |
if ( false !== $repeat_value ) { |
| 304 |
return $repeat_value; |
| 305 |
} |
| 306 |
|
| 307 |
if ( isset( $this->value['date'], $this->value['time'] ) ) { |
| 308 |
$this->value = $this->field->get_timestamp_from_value( $this->value['date'] . ' ' . $this->value['time'] ); |
| 309 |
} |
| 310 |
|
| 311 |
if ( $tz_offset = $this->field->field_timezone_offset() ) { |
| 312 |
$this->value += (int) $tz_offset; |
| 313 |
} |
| 314 |
|
| 315 |
return $this->value; |
| 316 |
} |
| 317 |
|
| 318 |
/** |
| 319 |
* Datetime to timestamp with timezone |
| 320 |
* |
| 321 |
* @since 1.0.1 |
| 322 |
* |
| 323 |
* @param bool $repeat Whether or not to repeat. |
| 324 |
* @return string Timestring |
| 325 |
*/ |
| 326 |
public function text_datetime_timestamp_timezone( $repeat = false ) { |
| 327 |
static $utc_values = array(); |
| 328 |
|
| 329 |
$test = is_array( $this->value ) ? array_filter( $this->value ) : ''; |
| 330 |
if ( empty( $test ) ) { |
| 331 |
return ''; |
| 332 |
} |
| 333 |
|
| 334 |
// date_create_from_format if there is a slash in the value. |
| 335 |
$this->value = wp_unslash( $this->value ); |
| 336 |
|
| 337 |
$utc_key = $this->field->_id() . '_utc'; |
| 338 |
|
| 339 |
$repeat_value = $this->_check_repeat( __FUNCTION__, $repeat ); |
| 340 |
if ( false !== $repeat_value ) { |
| 341 |
if ( ! empty( $utc_values[ $utc_key ] ) ) { |
| 342 |
$this->_save_utc_value( $utc_key, $utc_values[ $utc_key ] ); |
| 343 |
unset( $utc_values[ $utc_key ] ); |
| 344 |
} |
| 345 |
|
| 346 |
return $repeat_value; |
| 347 |
} |
| 348 |
|
| 349 |
$tzstring = null; |
| 350 |
|
| 351 |
if ( is_array( $this->value ) && array_key_exists( 'timezone', $this->value ) ) { |
| 352 |
$tzstring = $this->value['timezone']; |
| 353 |
} |
| 354 |
|
| 355 |
if ( empty( $tzstring ) ) { |
| 356 |
$tzstring = CMB2_Utils::timezone_string(); |
| 357 |
} |
| 358 |
|
| 359 |
$offset = CMB2_Utils::timezone_offset( $tzstring ); |
| 360 |
|
| 361 |
if ( 'UTC' === substr( $tzstring, 0, 3 ) ) { |
| 362 |
$tzstring = timezone_name_from_abbr( '', $offset, 0 ); |
| 363 |
/** |
| 364 |
* The timezone_name_from_abbr() returns false if not found based on offset. |
| 365 |
* Since there are currently some invalid timezones in wp_timezone_dropdown(), |
| 366 |
* fallback to an offset of 0 (UTC+0) |
| 367 |
* https://core.trac.wordpress.org/ticket/29205 |
| 368 |
*/ |
| 369 |
$tzstring = false !== $tzstring ? $tzstring : timezone_name_from_abbr( '', 0, 0 ); |
| 370 |
} |
| 371 |
|
| 372 |
$full_format = $this->field->args['date_format'] . ' ' . $this->field->args['time_format']; |
| 373 |
$full_date = $this->value['date'] . ' ' . $this->value['time']; |
| 374 |
|
| 375 |
try { |
| 376 |
|
| 377 |
$datetime = date_create_from_format( $full_format, $full_date ); |
| 378 |
|
| 379 |
if ( ! is_object( $datetime ) ) { |
| 380 |
$this->value = $utc_stamp = ''; |
| 381 |
} else { |
| 382 |
$datetime->setTimezone( new DateTimeZone( $tzstring ) ); |
| 383 |
$utc_stamp = date_timestamp_get( $datetime ) - $offset; |
| 384 |
$this->value = serialize( $datetime ); |
| 385 |
} |
| 386 |
|
| 387 |
if ( $this->field->group ) { |
| 388 |
$this->value = array( |
| 389 |
'supporting_field_value' => $utc_stamp, |
| 390 |
'supporting_field_id' => $utc_key, |
| 391 |
'value' => $this->value, |
| 392 |
); |
| 393 |
} else { |
| 394 |
// Save the utc timestamp supporting field. |
| 395 |
if ( $repeat ) { |
| 396 |
$utc_values[ $utc_key ][] = $utc_stamp; |
| 397 |
} else { |
| 398 |
$this->_save_utc_value( $utc_key, $utc_stamp ); |
| 399 |
} |
| 400 |
} |
| 401 |
} catch ( Exception $e ) { |
| 402 |
$this->value = ''; |
| 403 |
CMB2_Utils::log_if_debug( __METHOD__, __LINE__, $e->getMessage() ); |
| 404 |
} |
| 405 |
|
| 406 |
return $this->value; |
| 407 |
} |
| 408 |
|
| 409 |
/** |
| 410 |
* Sanitize textareas and wysiwyg fields |
| 411 |
* |
| 412 |
* @since 1.0.1 |
| 413 |
* @return string Sanitized data |
| 414 |
*/ |
| 415 |
public function textarea() { |
| 416 |
return is_array( $this->value ) ? array_map( 'wp_kses_post', $this->value ) : wp_kses_post( $this->value ); |
| 417 |
} |
| 418 |
|
| 419 |
/** |
| 420 |
* Sanitize code textareas |
| 421 |
* |
| 422 |
* @since 1.0.2 |
| 423 |
* |
| 424 |
* @param bool $repeat Whether or not to repeat. |
| 425 |
* @return string Sanitized data |
| 426 |
*/ |
| 427 |
public function textarea_code( $repeat = false ) { |
| 428 |
$repeat_value = $this->_check_repeat( __FUNCTION__, $repeat ); |
| 429 |
if ( false !== $repeat_value ) { |
| 430 |
return $repeat_value; |
| 431 |
} |
| 432 |
|
| 433 |
return htmlspecialchars_decode( stripslashes( $this->value ) ); |
| 434 |
} |
| 435 |
|
| 436 |
/** |
| 437 |
* Handles saving of attachment post ID and sanitizing file url |
| 438 |
* |
| 439 |
* @since 1.1.0 |
| 440 |
* @return string Sanitized url |
| 441 |
*/ |
| 442 |
public function file() { |
| 443 |
$file_id_key = $this->field->_id() . '_id'; |
| 444 |
|
| 445 |
if ( $this->field->group ) { |
| 446 |
// Return an array with url/id if saving a group field. |
| 447 |
$this->value = $this->_get_group_file_value_array( $file_id_key ); |
| 448 |
} else { |
| 449 |
$this->_save_file_id_value( $file_id_key ); |
| 450 |
$this->text_url(); |
| 451 |
} |
| 452 |
|
| 453 |
return $this->value; |
| 454 |
} |
| 455 |
|
| 456 |
/** |
| 457 |
* Gets the values for the `file` field type from the data being saved. |
| 458 |
* |
| 459 |
* @since 2.2.0 |
| 460 |
* |
| 461 |
* @param mixed $id_key ID key to use. |
| 462 |
* @return array |
| 463 |
*/ |
| 464 |
public function _get_group_file_value_array( $id_key ) { |
| 465 |
$alldata = $this->field->group->data_to_save; |
| 466 |
$base_id = $this->field->group->_id(); |
| 467 |
$i = $this->field->group->index; |
| 468 |
|
| 469 |
// Check group $alldata data. |
| 470 |
$id_val = isset( $alldata[ $base_id ][ $i ][ $id_key ] ) |
| 471 |
? absint( $alldata[ $base_id ][ $i ][ $id_key ] ) |
| 472 |
: ''; |
| 473 |
|
| 474 |
// We don't want to save 0 to the DB for file fields. |
| 475 |
if ( 0 === $id_val ) { |
| 476 |
$id_val = ''; |
| 477 |
} |
| 478 |
|
| 479 |
return array( |
| 480 |
'value' => $this->text_url(), |
| 481 |
'supporting_field_value' => $id_val, |
| 482 |
'supporting_field_id' => $id_key, |
| 483 |
); |
| 484 |
} |
| 485 |
|
| 486 |
/** |
| 487 |
* Peforms saving of `file` attachement's ID |
| 488 |
* |
| 489 |
* @since 1.1.0 |
| 490 |
* |
| 491 |
* @param mixed $file_id_key ID key to use. |
| 492 |
* @return mixed |
| 493 |
*/ |
| 494 |
public function _save_file_id_value( $file_id_key ) { |
| 495 |
$id_field = $this->_new_supporting_field( $file_id_key ); |
| 496 |
|
| 497 |
// Check standard data_to_save data. |
| 498 |
$id_val = isset( $this->field->data_to_save[ $file_id_key ] ) |
| 499 |
? $this->field->data_to_save[ $file_id_key ] |
| 500 |
: null; |
| 501 |
|
| 502 |
// If there is no ID saved yet, try to get it from the url. |
| 503 |
if ( $this->value && ! $id_val ) { |
| 504 |
$id_val = CMB2_Utils::image_id_from_url( $this->value ); |
| 505 |
|
| 506 |
// If there is an ID but user emptied the input value, remove the ID. |
| 507 |
} elseif ( ! $this->value && $id_val ) { |
| 508 |
$id_val = null; |
| 509 |
} |
| 510 |
|
| 511 |
return $id_field->save_field( $id_val ); |
| 512 |
} |
| 513 |
|
| 514 |
/** |
| 515 |
* Peforms saving of `text_datetime_timestamp_timezone` utc timestamp |
| 516 |
* |
| 517 |
* @since 2.2.0 |
| 518 |
* |
| 519 |
* @param mixed $utc_key UTC key. |
| 520 |
* @param mixed $utc_stamp UTC timestamp. |
| 521 |
* @return mixed |
| 522 |
*/ |
| 523 |
public function _save_utc_value( $utc_key, $utc_stamp ) { |
| 524 |
return $this->_new_supporting_field( $utc_key )->save_field( $utc_stamp ); |
| 525 |
} |
| 526 |
|
| 527 |
/** |
| 528 |
* Returns a new, supporting, CMB2_Field object based on a new field id. |
| 529 |
* |
| 530 |
* @since 2.2.0 |
| 531 |
* |
| 532 |
* @param mixed $new_field_id New field ID. |
| 533 |
* @return CMB2_Field |
| 534 |
*/ |
| 535 |
public function _new_supporting_field( $new_field_id ) { |
| 536 |
return $this->field->get_field_clone( array( |
| 537 |
'id' => $new_field_id, |
| 538 |
'sanitization_cb' => false, |
| 539 |
) ); |
| 540 |
} |
| 541 |
|
| 542 |
/** |
| 543 |
* If repeating, loop through and re-apply sanitization method |
| 544 |
* |
| 545 |
* @since 1.1.0 |
| 546 |
* @param string $method Class method. |
| 547 |
* @param bool $repeat Whether repeating or not. |
| 548 |
* @return mixed Sanitized value |
| 549 |
*/ |
| 550 |
public function _check_repeat( $method, $repeat ) { |
| 551 |
if ( $repeat || ! $this->field->args( 'repeatable' ) ) { |
| 552 |
return false; |
| 553 |
} |
| 554 |
|
| 555 |
$values_array = $this->value; |
| 556 |
|
| 557 |
$new_value = array(); |
| 558 |
foreach ( $values_array as $iterator => $this->value ) { |
| 559 |
if ( $this->value ) { |
| 560 |
$val = $this->$method( true ); |
| 561 |
if ( ! empty( $val ) ) { |
| 562 |
$new_value[] = $val; |
| 563 |
} |
| 564 |
} |
| 565 |
} |
| 566 |
|
| 567 |
$this->value = $new_value; |
| 568 |
|
| 569 |
return empty( $this->value ) ? null : $this->value; |
| 570 |
} |
| 571 |
|
| 572 |
/** |
| 573 |
* Determine if passed value is an empty array |
| 574 |
* |
| 575 |
* @since 2.0.6 |
| 576 |
* @param mixed $to_check Value to check. |
| 577 |
* @return boolean Whether value is an array that's empty |
| 578 |
*/ |
| 579 |
public function _is_empty_array( $to_check ) { |
| 580 |
if ( is_array( $to_check ) ) { |
| 581 |
$cleaned_up = array_filter( $to_check ); |
| 582 |
return empty( $cleaned_up ); |
| 583 |
} |
| 584 |
return false; |
| 585 |
} |
| 586 |
|
| 587 |
} |
| 588 |
|
