| 1 |
<?php |
| 2 |
/** |
| 3 |
* Class LP_Course_Item. |
| 4 |
* |
| 5 |
* @author ThimPress |
| 6 |
* @package LearnPress/Classes |
| 7 |
* @version 3.0.0 |
| 8 |
*/ |
| 9 |
|
| 10 |
defined( 'ABSPATH' ) || exit(); |
| 11 |
|
| 12 |
if ( ! class_exists( 'LP_Course_Item' ) ) { |
| 13 |
/** |
| 14 |
* Class LP_Course_Item. |
| 15 |
*/ |
| 16 |
class LP_Course_Item extends LP_Abstract_Post_Data implements ArrayAccess { |
| 17 |
|
| 18 |
/** |
| 19 |
* The icon maybe used somewhere. |
| 20 |
* |
| 21 |
* @var string |
| 22 |
*/ |
| 23 |
protected $_icon_class = ''; |
| 24 |
|
| 25 |
/** |
| 26 |
* The type of item. |
| 27 |
* |
| 28 |
* @var string |
| 29 |
*/ |
| 30 |
protected $_item_type = ''; |
| 31 |
|
| 32 |
/** |
| 33 |
* @var LP_Course |
| 34 |
*/ |
| 35 |
protected $_course = null; |
| 36 |
|
| 37 |
/** |
| 38 |
* @var LP_Course_Section |
| 39 |
*/ |
| 40 |
protected $_section = null; |
| 41 |
|
| 42 |
/** |
| 43 |
* @var null |
| 44 |
*/ |
| 45 |
protected $_content = null; |
| 46 |
|
| 47 |
/** |
| 48 |
* @var bool |
| 49 |
*/ |
| 50 |
protected $_preview = false; |
| 51 |
|
| 52 |
|
| 53 |
/** |
| 54 |
* LP_Course_Item constructor. |
| 55 |
* |
| 56 |
* @param $item mixed |
| 57 |
* @param $args array |
| 58 |
*/ |
| 59 |
public function __construct( $item, $args = null ) { |
| 60 |
parent::__construct( $item, $args ); |
| 61 |
|
| 62 |
$this->add_support( 'comments', get_post_field( 'comment_status', $this->get_id() ) === 'open' ); |
| 63 |
} |
| 64 |
|
| 65 |
/** |
| 66 |
* Get type of item. |
| 67 |
* |
| 68 |
* @param string $context |
| 69 |
* |
| 70 |
* @return string |
| 71 |
*/ |
| 72 |
public function get_item_type( $context = '' ) { |
| 73 |
$post_type = $this->_item_type; |
| 74 |
|
| 75 |
if ( $context === 'display' ) { |
| 76 |
$post_type_object = get_post_type_object( $post_type ); |
| 77 |
|
| 78 |
if ( $post_type_object ) { |
| 79 |
$post_type = $post_type_object->labels->singular_name; |
| 80 |
} |
| 81 |
} |
| 82 |
|
| 83 |
return $post_type; |
| 84 |
} |
| 85 |
|
| 86 |
/** |
| 87 |
* @return string |
| 88 |
*/ |
| 89 |
public function get_icon_class() { |
| 90 |
return $this->_icon_class; |
| 91 |
} |
| 92 |
|
| 93 |
/** |
| 94 |
* Check lesson is preview |
| 95 |
* |
| 96 |
* @param string $context |
| 97 |
* |
| 98 |
* @return bool |
| 99 |
*/ |
| 100 |
public function is_preview( $context = 'display' ): bool { |
| 101 |
$item_id = $this->get_id(); |
| 102 |
|
| 103 |
$this->_preview = false; |
| 104 |
|
| 105 |
if ( $item_id && LP_LESSON_CPT === $this->get_post_type() ) { |
| 106 |
$is_lesson_preview = get_post_meta( $item_id, '_lp_preview', true ); |
| 107 |
|
| 108 |
$this->_preview = 'yes' === $is_lesson_preview; |
| 109 |
} |
| 110 |
|
| 111 |
return apply_filters( 'learnpress/course/item-preview', $this->_preview, $this->get_id() ); |
| 112 |
} |
| 113 |
|
| 114 |
/** |
| 115 |
* @param string $context |
| 116 |
* |
| 117 |
* @return string |
| 118 |
*/ |
| 119 |
public function get_title( $context = '' ) { |
| 120 |
return apply_filters( 'learn-press/course-item-title', parent::get_title( $context ), $this->get_id() ); |
| 121 |
} |
| 122 |
|
| 123 |
/** |
| 124 |
* Get format of Post |
| 125 |
* |
| 126 |
* @return bool|false|mixed|string |
| 127 |
*/ |
| 128 |
public function get_format() { |
| 129 |
$format = get_post_meta( $this->get_id(), 'post_format', true ); |
| 130 |
|
| 131 |
if ( ! $format ) { |
| 132 |
$format = 'standard'; |
| 133 |
} |
| 134 |
|
| 135 |
return $format; |
| 136 |
} |
| 137 |
|
| 138 |
/** |
| 139 |
* Return true if item can be shown in course curriculum. |
| 140 |
* |
| 141 |
* @return mixed |
| 142 |
* @deprecated 4.0.0 |
| 143 |
*/ |
| 144 |
public function is_visible() { |
| 145 |
$show = true; |
| 146 |
|
| 147 |
return apply_filters( 'learn-press/course-item-visible', $show, $this->get_item_type(), $this->get_id() ); |
| 148 |
} |
| 149 |
|
| 150 |
/** |
| 151 |
* Get class of item. |
| 152 |
* |
| 153 |
* @param string $more |
| 154 |
* @param int $user_id |
| 155 |
* |
| 156 |
* @return array |
| 157 |
*/ |
| 158 |
public function get_class( $more = '', $user_id = 0 ) { |
| 159 |
$course_id = get_the_ID(); |
| 160 |
|
| 161 |
if ( empty( $GLOBALS['get_class'] ) ) { |
| 162 |
$GLOBALS['get_class'] = 0; |
| 163 |
} |
| 164 |
|
| 165 |
$user_id = $user_id ? $user_id : get_current_user_id(); |
| 166 |
$t = microtime( true ); |
| 167 |
$classes = LP_Object_Cache::get( 'item-' . $user_id . '-' . $this->get_id(), 'learn-press/post-classes' ); |
| 168 |
|
| 169 |
if ( false === $classes ) { |
| 170 |
$curd = new LP_User_Item_CURD(); |
| 171 |
$all_items = $curd->parse_items_classes( $course_id, $user_id, $more ); |
| 172 |
|
| 173 |
$classes = ! empty( $all_items[ $this->get_id() ] ) ? $all_items[ $this->get_id() ] : $defaults = array( |
| 174 |
'course-item', |
| 175 |
'course-item-' . $this->get_item_type(), |
| 176 |
'course-item-' . $this->get_id(), |
| 177 |
); |
| 178 |
} |
| 179 |
|
| 180 |
$GLOBALS['get_class'] += microtime( true ) - $t; |
| 181 |
|
| 182 |
return apply_filters( |
| 183 |
'learn-press/course-item-class-cached', |
| 184 |
$classes, |
| 185 |
$this->get_item_type(), |
| 186 |
$this->get_id(), |
| 187 |
$course_id |
| 188 |
); |
| 189 |
} |
| 190 |
|
| 191 |
public function get_class_v2( $course_id, $item_id, $can_view_item, $more = array() ) { |
| 192 |
$course = learn_press_get_course( $course_id ); |
| 193 |
|
| 194 |
if ( ! $course ) { |
| 195 |
return $more; |
| 196 |
} |
| 197 |
|
| 198 |
$defaults = array_merge( |
| 199 |
array( |
| 200 |
'course-item', |
| 201 |
'course-item-' . $this->get_item_type(), |
| 202 |
'course-item-' . $item_id, |
| 203 |
), |
| 204 |
(array) $more |
| 205 |
); |
| 206 |
|
| 207 |
$user = learn_press_get_user( get_current_user_id() ); |
| 208 |
|
| 209 |
if ( ! $user ) { |
| 210 |
return $defaults; |
| 211 |
} |
| 212 |
|
| 213 |
$is_free = $course->is_free(); |
| 214 |
$enrolled = $user->has_enrolled_or_finished( $course_id ); |
| 215 |
$no_required_enroll = $course->is_no_required_enroll(); |
| 216 |
|
| 217 |
$post_format = $this->get_format(); |
| 218 |
if ( 'standard' !== $post_format && $post_format ) { |
| 219 |
$defaults[] = 'course-item-type-' . $post_format; |
| 220 |
} |
| 221 |
|
| 222 |
if ( $no_required_enroll ) { |
| 223 |
$defaults[] = 'item-free'; |
| 224 |
} elseif ( ! $enrolled ) { |
| 225 |
$defaults['item-locked'] = 'item-locked'; |
| 226 |
|
| 227 |
if ( $this->is_preview() ) { |
| 228 |
$defaults['item-preview'] = 'item-preview'; |
| 229 |
$defaults['has-status'] = 'has-status'; |
| 230 |
unset( $defaults['item-locked'] ); |
| 231 |
} |
| 232 |
} elseif ( ! $can_view_item->flag ) { |
| 233 |
$defaults[] = 'item-locked'; |
| 234 |
} else { |
| 235 |
$item_status = $user->get_item_status( $item_id, $course_id ); |
| 236 |
$item_grade = $user->get_item_grade( $item_id, $course_id ); |
| 237 |
|
| 238 |
if ( $item_status ) { |
| 239 |
$defaults[] = 'has-status'; |
| 240 |
$defaults[] = 'status-' . $item_status; |
| 241 |
} |
| 242 |
|
| 243 |
switch ( $item_status ) { |
| 244 |
case 'started': |
| 245 |
break; |
| 246 |
case 'completed': |
| 247 |
$defaults[] = $item_grade; |
| 248 |
break; |
| 249 |
default: |
| 250 |
if ( $this->is_preview() ) { |
| 251 |
$defaults['item-preview'] = 'item-preview'; |
| 252 |
$defaults['has-status'] = 'has-status'; |
| 253 |
} |
| 254 |
|
| 255 |
$item_class = apply_filters( |
| 256 |
'learn-press/course-item-status-class', |
| 257 |
$item_status, |
| 258 |
$item_grade, |
| 259 |
$this->get_item_type(), |
| 260 |
$item_id, |
| 261 |
$course_id |
| 262 |
); |
| 263 |
|
| 264 |
if ( $item_class ) { |
| 265 |
$defaults[] = $item_class; |
| 266 |
} |
| 267 |
} |
| 268 |
} |
| 269 |
|
| 270 |
$classes = apply_filters( |
| 271 |
'learn-press/course-item-class', |
| 272 |
$defaults, |
| 273 |
$this->get_item_type(), |
| 274 |
$item_id, |
| 275 |
$course_id |
| 276 |
); |
| 277 |
|
| 278 |
// Filter unwanted values. |
| 279 |
$classes = is_array( $classes ) ? $classes : explode( ' ', $classes ); |
| 280 |
$classes = array_filter( $classes ); |
| 281 |
$classes = array_unique( $classes ); |
| 282 |
|
| 283 |
return $classes; |
| 284 |
} |
| 285 |
|
| 286 |
public function get_status_title() { |
| 287 |
$course_id = get_the_ID(); |
| 288 |
$status_message = ''; |
| 289 |
|
| 290 |
$user = learn_press_get_current_user(); |
| 291 |
if ( $user->get_item_status( $this->get_id(), $course_id ) === 'completed' ) { |
| 292 |
$item_grade = $user->get_item_grade( $this->get_id(), $course_id ); |
| 293 |
|
| 294 |
if ( $item_grade === 'failed' ) { |
| 295 |
$status_message = _x( 'Failed', 'course item status title', 'learnpress' ); |
| 296 |
} elseif ( $item_grade === 'passed' ) { |
| 297 |
$status_message = _x( 'Passed', 'course item status title', 'learnpress' ); |
| 298 |
} else { |
| 299 |
$status_message = _x( 'Completed', 'course item status title', 'learnpress' ); |
| 300 |
} |
| 301 |
} else { |
| 302 |
$status_message = _x( 'Unread', 'course item status title', 'learnpress' ); |
| 303 |
} |
| 304 |
|
| 305 |
return apply_filters( |
| 306 |
'learn-press/course-item-status-title', |
| 307 |
$status_message, |
| 308 |
$this->get_id(), |
| 309 |
$course_id |
| 310 |
); |
| 311 |
} |
| 312 |
|
| 313 |
/** |
| 314 |
* Get permalink of item inside course. |
| 315 |
* |
| 316 |
* @return string |
| 317 |
*/ |
| 318 |
public function get_permalink() { |
| 319 |
$link = false; |
| 320 |
|
| 321 |
if ( $this->_course ) { |
| 322 |
$link = $this->_course->get_item_link( $this->get_id() ); |
| 323 |
} |
| 324 |
|
| 325 |
return apply_filters( 'learn-press/course-item-link', $link, $this ); |
| 326 |
} |
| 327 |
|
| 328 |
/** |
| 329 |
* Set course parent of this item. |
| 330 |
* |
| 331 |
* @param LP_Course|LP_Abstract_Course|int $course |
| 332 |
*/ |
| 333 |
public function set_course( $course ) { |
| 334 |
if ( is_numeric( $course ) ) { |
| 335 |
$this->_course = learn_press_get_course( $course ); |
| 336 |
} else { |
| 337 |
$this->_course = $course; |
| 338 |
} |
| 339 |
} |
| 340 |
|
| 341 |
/** |
| 342 |
* Return course. |
| 343 |
* |
| 344 |
* @return LP_Course |
| 345 |
*/ |
| 346 |
public function get_course() { |
| 347 |
return $this->_course; |
| 348 |
} |
| 349 |
|
| 350 |
public function get_course_id() { |
| 351 |
$course = $this->get_course(); |
| 352 |
|
| 353 |
if ( $course ) { |
| 354 |
return $course->get_id(); |
| 355 |
} |
| 356 |
|
| 357 |
return false; |
| 358 |
} |
| 359 |
|
| 360 |
/** |
| 361 |
* @param LP_Course_Section $section |
| 362 |
*/ |
| 363 |
public function set_section( $section ) { |
| 364 |
$this->_section = $section; |
| 365 |
} |
| 366 |
|
| 367 |
/** |
| 368 |
* @return LP_Course_Section |
| 369 |
*/ |
| 370 |
public function get_section() { |
| 371 |
return $this->_section; |
| 372 |
} |
| 373 |
|
| 374 |
/** |
| 375 |
* Get instance of an item from post |
| 376 |
* |
| 377 |
* @param int $item_id Item id. |
| 378 |
* @param int $course_id . |
| 379 |
* |
| 380 |
* @return LP_Course_Item|false |
| 381 |
* @Todo: tungnx - review - rewrite - set cache - check where call this function |
| 382 |
* @editor tungnx |
| 383 |
* @modify 4.1.3 - change cache |
| 384 |
* @version 4.0.2 |
| 385 |
* @since 3.x.x |
| 386 |
*/ |
| 387 |
public static function get_item( $item_id = 0, $course_id = 0 ) { |
| 388 |
/* |
| 389 |
$lp_course_cache = LP_Course_Cache::instance(); |
| 390 |
$key_cache = sprintf( '%d/item_id/%d', $course_id, $item_id ); |
| 391 |
$item = $lp_course_cache->get_cache( $key_cache );*/ |
| 392 |
|
| 393 |
$item = false; |
| 394 |
|
| 395 |
if ( false === $item ) { |
| 396 |
$item_post = get_post( $item_id ); |
| 397 |
|
| 398 |
if ( ! $item_post ) { |
| 399 |
return false; |
| 400 |
} |
| 401 |
|
| 402 |
$item_type = $item_post->post_type; |
| 403 |
|
| 404 |
if ( learn_press_is_support_course_item_type( $item_type ) ) { |
| 405 |
$type = str_replace( 'lp_', '', $item_type ); |
| 406 |
|
| 407 |
switch ( $type ) { |
| 408 |
case 'lesson': |
| 409 |
$item = LP_Lesson::get_lesson( $item_id ); |
| 410 |
break; |
| 411 |
case 'quiz': |
| 412 |
$item = LP_Quiz::get_quiz( $item_id ); |
| 413 |
break; |
| 414 |
default: |
| 415 |
$class_name = apply_filters( |
| 416 |
'learn-press/course-item-object-class', |
| 417 |
array(), |
| 418 |
$type, |
| 419 |
$item_type, |
| 420 |
$item_id |
| 421 |
); |
| 422 |
|
| 423 |
if ( ! empty( $class_name ) && isset( $class_name[ $type ] ) ) { |
| 424 |
$class = $class_name[ $type ]; |
| 425 |
|
| 426 |
if ( is_string( $class ) && class_exists( $class ) ) { |
| 427 |
$item = new $class( $item_id ); |
| 428 |
} elseif ( $class instanceof LP_Course_Item ) { |
| 429 |
$item = $class; |
| 430 |
} |
| 431 |
} |
| 432 |
|
| 433 |
break; |
| 434 |
} |
| 435 |
|
| 436 |
// Todo: don't know why when set course here, theme ivy still null course |
| 437 |
/*if ( $item instanceof LP_Course_Item ) { |
| 438 |
$item->set_course( $course_id ); |
| 439 |
}*/ |
| 440 |
|
| 441 |
// $lp_course_cache->set_cache( $key_cache, $item ); |
| 442 |
} |
| 443 |
} |
| 444 |
|
| 445 |
return apply_filters( 'learn-press/get-course-item', $item, $item_type, $item_id ); |
| 446 |
} |
| 447 |
|
| 448 |
/** |
| 449 |
* Get template name of item. |
| 450 |
* |
| 451 |
* @return string |
| 452 |
*/ |
| 453 |
public function get_template() { |
| 454 |
$item_type = $this->get_item_type(); |
| 455 |
|
| 456 |
return apply_filters( |
| 457 |
'learn-press/section-item-template', |
| 458 |
'item-' . str_replace( 'lp_', '', $item_type ), |
| 459 |
$item_type |
| 460 |
); |
| 461 |
} |
| 462 |
|
| 463 |
/** |
| 464 |
* To array. |
| 465 |
* |
| 466 |
* @return array |
| 467 |
* @since 3.0.0 |
| 468 |
*/ |
| 469 |
public function to_array() { |
| 470 |
$post = get_post( $this->get_id() ); |
| 471 |
|
| 472 |
return apply_filters( |
| 473 |
'learn-press/item/to_array', |
| 474 |
array( |
| 475 |
'id' => $this->get_id(), |
| 476 |
'type' => $this->get_item_type(), |
| 477 |
'title' => $post->post_title, |
| 478 |
'preview' => $this->is_preview(), |
| 479 |
) |
| 480 |
); |
| 481 |
} |
| 482 |
|
| 483 |
/** |
| 484 |
* Create nonce for checking actions on an item. |
| 485 |
* |
| 486 |
* @param string $action |
| 487 |
* @param int $course_id |
| 488 |
* @param int $user_id |
| 489 |
* |
| 490 |
* @return string |
| 491 |
*/ |
| 492 |
public function create_nonce( $action = '', $course_id = 0, $user_id = 0 ) { |
| 493 |
if ( ! $course_id && $this->get_course() ) { |
| 494 |
$course_id = $this->get_course()->get_id(); |
| 495 |
} |
| 496 |
|
| 497 |
if ( ! $user_id ) { |
| 498 |
$user_id = get_current_user_id(); |
| 499 |
} |
| 500 |
|
| 501 |
$action = $this->get_nonce_action( $action, $course_id, $user_id ); |
| 502 |
|
| 503 |
return wp_create_nonce( $action ); |
| 504 |
} |
| 505 |
|
| 506 |
/** |
| 507 |
* Verify nonce for an action on item. |
| 508 |
* |
| 509 |
* @param string $nonce |
| 510 |
* @param string $action |
| 511 |
* @param int $course_id |
| 512 |
* @param int $user_id |
| 513 |
* |
| 514 |
* @return false|int |
| 515 |
*/ |
| 516 |
public function verify_nonce( $nonce, $action = '', $course_id = 0, $user_id = 0 ) { |
| 517 |
if ( ! $course_id ) { |
| 518 |
$course_id = $this->get_course()->get_id(); |
| 519 |
} |
| 520 |
|
| 521 |
if ( ! $user_id ) { |
| 522 |
$user_id = get_current_user_id(); |
| 523 |
} |
| 524 |
|
| 525 |
$action = $this->get_nonce_action( $action, $course_id, $user_id ); |
| 526 |
|
| 527 |
return wp_verify_nonce( $nonce, $action ); |
| 528 |
} |
| 529 |
|
| 530 |
/** |
| 531 |
* @param $action |
| 532 |
* @param $course_id |
| 533 |
* @param $user_id |
| 534 |
* |
| 535 |
* @return string |
| 536 |
*/ |
| 537 |
public function get_nonce_action( $action, $course_id, $user_id ) { |
| 538 |
return sprintf( '%s-item-%d-%d-%d', $action, $user_id, $course_id, $this->get_id() ); |
| 539 |
} |
| 540 |
|
| 541 |
/** |
| 542 |
* @param int $question_id |
| 543 |
* |
| 544 |
* @return mixed |
| 545 |
* @deprecated 4.1.7.2 |
| 546 |
*/ |
| 547 |
/*public function is_viewing_question( $question_id = 0 ) { |
| 548 |
global $lp_quiz_question; |
| 549 |
if ( $question_id ) { |
| 550 |
$viewing = $lp_quiz_question && $lp_quiz_question->get_id() == $question_id; |
| 551 |
} else { |
| 552 |
$viewing = $lp_quiz_question ? $lp_quiz_question->get_id() : false; |
| 553 |
} |
| 554 |
|
| 555 |
return apply_filters( 'learn-press/quiz/is-viewing-question', $viewing, $question_id, $this->get_id() ); |
| 556 |
}*/ |
| 557 |
|
| 558 |
/** |
| 559 |
* @param int $user_id |
| 560 |
* @param int $course_id |
| 561 |
* |
| 562 |
* @return mixed |
| 563 |
* @deprecated 4.1.7.2 |
| 564 |
*/ |
| 565 |
/*public function get_status_classes( $user_id = 0, $course_id = 0 ) { |
| 566 |
$status_classes = array(); |
| 567 |
$course = learn_press_get_course( $course_id ); |
| 568 |
$user = learn_press_get_user( $user_id, ! $user_id ); |
| 569 |
|
| 570 |
if ( $course ) { |
| 571 |
if ( $this->is_preview() ) { |
| 572 |
$status_classes[] = 'item-preview'; |
| 573 |
} elseif ( $course->is_free() && $course->is_no_required_enroll() ) { |
| 574 |
$status_classes[] = 'item-free'; |
| 575 |
} |
| 576 |
} |
| 577 |
|
| 578 |
if ( $user ) { |
| 579 |
$item_status = $user->get_item_status( $this->get_id(), $course_id ); |
| 580 |
$item_grade = $user->get_item_grade( $this->get_id(), $course_id ); |
| 581 |
|
| 582 |
if ( $item_status ) { |
| 583 |
$status_classes[] = 'course-item-status'; |
| 584 |
$status_classes[] = 'item-' . $item_status; |
| 585 |
} |
| 586 |
switch ( $item_status ) { |
| 587 |
case 'started': |
| 588 |
break; |
| 589 |
case 'completed': |
| 590 |
$status_classes[] = $item_grade; |
| 591 |
} |
| 592 |
} |
| 593 |
|
| 594 |
return apply_filters( |
| 595 |
'learn-press/item-status-classes', |
| 596 |
$status_classes, |
| 597 |
$this->get_id(), |
| 598 |
$course_id, |
| 599 |
$user_id |
| 600 |
); |
| 601 |
}*/ |
| 602 |
|
| 603 |
/** |
| 604 |
* Get duration of quiz |
| 605 |
* |
| 606 |
* @return LP_Duration |
| 607 |
*/ |
| 608 |
public function get_duration() { |
| 609 |
$duration = $this->get_data( 'duration' ); |
| 610 |
|
| 611 |
if ( false === $duration || '' === $duration ) { |
| 612 |
$duration = get_post_meta( $this->get_id(), '_lp_duration', true ); |
| 613 |
|
| 614 |
if ( $duration ) { |
| 615 |
$duration = new LP_Duration( $duration ); |
| 616 |
} else { |
| 617 |
$duration = new LP_Duration( 0 ); |
| 618 |
} |
| 619 |
|
| 620 |
$this->_set_data( 'duration', $duration ); |
| 621 |
} |
| 622 |
|
| 623 |
return apply_filters( 'learn-press/course-item-duration', $duration, $this->get_id() ); |
| 624 |
} |
| 625 |
|
| 626 |
public function offsetExists( $offset ) { |
| 627 |
} |
| 628 |
|
| 629 |
public function offsetGet( $offset ) { |
| 630 |
} |
| 631 |
|
| 632 |
public function offsetSet( $offset, $value ) { |
| 633 |
} |
| 634 |
|
| 635 |
public function offsetUnset( $offset ) { |
| 636 |
} |
| 637 |
} |
| 638 |
} |
| 639 |
|
