| 398 | if ( !$object_id ) |
| 399 | return false; |
| 400 | |
| 401 | if ( !empty($meta_key) ) { |
| 402 | $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key); |
| 403 | $metas = $wpdb->get_results("SELECT meta_value FROM $wpdb->meta WHERE object_id = '$object_id' AND meta_key = '$meta_key'"); |
| 404 | } else { |
| 405 | $metas = $wpdb->get_results("SELECT meta_value FROM $wpdb->meta WHERE object_id = '$object_id'"); |
| 406 | } |
| 407 | |
| 408 | if ( empty($metas) ) { |
| 409 | if ( empty($meta_key) ) |
| 410 | return array(); |
| 411 | else |
| 412 | return ''; |
| 413 | } |
| 414 | |
| 415 | foreach ($metas as $meta) |
| 416 | $values[] = maybe_unserialize($meta->meta_value); |
| 417 | |
| 418 | if ( count($values) == 1 ) |
| 419 | return $values[0]; |
| 420 | else |
| 421 | return $values; |
| 422 | } |
| 423 | |
| 424 | function update_general_meta( $meta_type = '', $object_id = 0, $meta_key = '', $meta_value = '') { |
| 425 | global $wpdb; |
| 426 | $object_id = (int) $object_id; |
| 427 | |
| 428 | if ( !$object_id ) |
| 429 | return false; |
| 430 | |
| 431 | if ( empty( $meta_key ) ) |
| 432 | return false; |
| 433 | $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key); |
| 434 | if ( is_string($meta_value) ) |
| 435 | $meta_value = stripslashes($meta_value); |
| 436 | $meta_value = maybe_serialize($meta_value); |
| 437 | |
| 438 | $where = $wpdb->prepare("object_id = %d AND meta_key = %s ", $object_id, $meta_key); |
| 439 | $where .= ( empty($meta_type) ) ? '' : $wpdb->prepare("AND meta_type = %s ", $meta_type); |
| 440 | |
| 441 | $cur = $wpdb->get_row("SELECT * FROM $wpdb->meta WHERE $where"); |
| 442 | if ( !$cur ) { |
| 443 | $wpdb->db_insert($wpdb->meta, array( |
| 444 | 'meta_type' => $meta_type, |
| 445 | 'object_id' => $object_id, |
| 446 | 'meta_key' => $meta_key, |
| 447 | 'meta_value' => $meta_value, |
| 448 | )); |
| 449 | } else if ( $cur->meta_value != $meta_value ) { |
| 450 | $wpdb->query($wpdb->prepare("UPDATE $wpdb->meta SET meta_value = %s WHERE $where",$meta_value)); |
| 451 | } else { |
| 452 | return false; |
| 453 | } |
| 454 | return true; |
| 455 | } |
| 456 | |
| 457 | function delete_general_meta( $meta_type = '', $object_id = 0, $meta_key = '', $meta_value = '') { |
| 458 | global $wpdb; |
| 459 | $object_id = (int) $object_id; |
| 460 | |
| 461 | if ( !$object_id ) |
| 462 | return false; |
| 463 | |
| 464 | if ( empty( $meta_key ) ) |
| 465 | return false; |
| 466 | $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key); |
| 467 | |
| 468 | if ( ! empty($meta_value) ) { |
| 469 | if ( is_string($meta_value) ) |
| 470 | $meta_value = stripslashes($meta_value); |
| 471 | $meta_value = maybe_serialize($meta_value); |
| 472 | } |
| 473 | |
| 474 | $where = $wpdb->prepare("object_id = %d AND meta_key = %s ", $object_id, $meta_key); |
| 475 | $where .= ( empty($meta_type) ) ? '' : $wpdb->prepare("AND meta_type = %s ", $meta_type); |
| 476 | $where .= ( empty($meta_value) ) ? '' : $wpdb->prepare("AND meta_value = %s ",$meta_value); |
| 477 | |
| 478 | $cur = $wpdb->get_row("SELECT * FROM $wpdb->meta WHERE $where"); |
| 479 | if ( !$cur ) { |
| 480 | return false; |
| 481 | } else { |
| 482 | $wpdb->query("DELETE FROM $wpdb->meta WHERE $where"); |
| 483 | } |
| 484 | return true; |
| 485 | } |
| 486 | |