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PHP Cross Reference of WordPress Trunk (Updated Daily) |
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1 <?php 2 /** 3 * Misc WordPress Administration API. 4 * 5 * @package WordPress 6 * @subpackage Administration 7 */ 8 9 /** 10 * Returns whether the server is running Apache with the mod_rewrite module loaded. 11 * 12 * @since 2.0.0 13 * 14 * @return bool Whether the server is running Apache with the mod_rewrite module loaded. 15 */ 16 function got_mod_rewrite() { 17 $got_rewrite = apache_mod_loaded( 'mod_rewrite', true ); 18 19 /** 20 * Filters whether Apache and mod_rewrite are present. 21 * 22 * This filter was previously used to force URL rewriting for other servers, 23 * like nginx. Use the {@see 'got_url_rewrite'} filter in got_url_rewrite() instead. 24 * 25 * @since 2.5.0 26 * 27 * @see got_url_rewrite() 28 * 29 * @param bool $got_rewrite Whether Apache and mod_rewrite are present. 30 */ 31 return apply_filters( 'got_rewrite', $got_rewrite ); 32 } 33 34 /** 35 * Returns whether the server supports URL rewriting. 36 * 37 * Detects Apache's mod_rewrite, IIS 7.0+ permalink support, and nginx. 38 * 39 * @since 3.7.0 40 * 41 * @global bool $is_nginx 42 * 43 * @return bool Whether the server supports URL rewriting. 44 */ 45 function got_url_rewrite() { 46 $got_url_rewrite = ( got_mod_rewrite() || $GLOBALS['is_nginx'] || iis7_supports_permalinks() ); 47 48 /** 49 * Filters whether URL rewriting is available. 50 * 51 * @since 3.7.0 52 * 53 * @param bool $got_url_rewrite Whether URL rewriting is available. 54 */ 55 return apply_filters( 'got_url_rewrite', $got_url_rewrite ); 56 } 57 58 /** 59 * Extracts strings from between the BEGIN and END markers in the .htaccess file. 60 * 61 * @since 1.5.0 62 * 63 * @param string $filename Filename to extract the strings from. 64 * @param string $marker The marker to extract the strings from. 65 * @return string[] An array of strings from a file (.htaccess) from between BEGIN and END markers. 66 */ 67 function extract_from_markers( $filename, $marker ) { 68 $result = array(); 69 70 if ( ! file_exists( $filename ) ) { 71 return $result; 72 } 73 74 $markerdata = explode( "\n", implode( '', file( $filename ) ) ); 75 76 $state = false; 77 foreach ( $markerdata as $markerline ) { 78 if ( false !== strpos( $markerline, '# END ' . $marker ) ) { 79 $state = false; 80 } 81 if ( $state ) { 82 if ( '#' === substr( $markerline, 0, 1 ) ) { 83 continue; 84 } 85 $result[] = $markerline; 86 } 87 if ( false !== strpos( $markerline, '# BEGIN ' . $marker ) ) { 88 $state = true; 89 } 90 } 91 92 return $result; 93 } 94 95 /** 96 * Inserts an array of strings into a file (.htaccess), placing it between 97 * BEGIN and END markers. 98 * 99 * Replaces existing marked info. Retains surrounding 100 * data. Creates file if none exists. 101 * 102 * @since 1.5.0 103 * 104 * @param string $filename Filename to alter. 105 * @param string $marker The marker to alter. 106 * @param array|string $insertion The new content to insert. 107 * @return bool True on write success, false on failure. 108 */ 109 function insert_with_markers( $filename, $marker, $insertion ) { 110 if ( ! file_exists( $filename ) ) { 111 if ( ! is_writable( dirname( $filename ) ) ) { 112 return false; 113 } 114 if ( ! touch( $filename ) ) { 115 return false; 116 } 117 } elseif ( ! is_writeable( $filename ) ) { 118 return false; 119 } 120 121 if ( ! is_array( $insertion ) ) { 122 $insertion = explode( "\n", $insertion ); 123 } 124 125 $switched_locale = switch_to_locale( get_locale() ); 126 127 $instructions = sprintf( 128 /* translators: 1: Marker. */ 129 __( 130 'The directives (lines) between `BEGIN %1$s` and `END %1$s` are 131 dynamically generated, and should only be modified via WordPress filters. 132 Any changes to the directives between these markers will be overwritten.' 133 ), 134 $marker 135 ); 136 137 $instructions = explode( "\n", $instructions ); 138 foreach ( $instructions as $line => $text ) { 139 $instructions[ $line ] = '# ' . $text; 140 } 141 142 /** 143 * Filters the inline instructions inserted before the dynamically generated content. 144 * 145 * @since 5.3.0 146 * 147 * @param string[] $instructions Array of lines with inline instructions. 148 * @param string $marker The marker being inserted. 149 */ 150 $instructions = apply_filters( 'insert_with_markers_inline_instructions', $instructions, $marker ); 151 152 if ( $switched_locale ) { 153 restore_previous_locale(); 154 } 155 156 $insertion = array_merge( $instructions, $insertion ); 157 158 $start_marker = "# BEGIN {$marker}"; 159 $end_marker = "# END {$marker}"; 160 161 $fp = fopen( $filename, 'r+' ); 162 if ( ! $fp ) { 163 return false; 164 } 165 166 // Attempt to get a lock. If the filesystem supports locking, this will block until the lock is acquired. 167 flock( $fp, LOCK_EX ); 168 169 $lines = array(); 170 while ( ! feof( $fp ) ) { 171 $lines[] = rtrim( fgets( $fp ), "\r\n" ); 172 } 173 174 // Split out the existing file into the preceding lines, and those that appear after the marker 175 $pre_lines = array(); 176 $post_lines = array(); 177 $existing_lines = array(); 178 $found_marker = false; 179 $found_end_marker = false; 180 foreach ( $lines as $line ) { 181 if ( ! $found_marker && false !== strpos( $line, $start_marker ) ) { 182 $found_marker = true; 183 continue; 184 } elseif ( ! $found_end_marker && false !== strpos( $line, $end_marker ) ) { 185 $found_end_marker = true; 186 continue; 187 } 188 if ( ! $found_marker ) { 189 $pre_lines[] = $line; 190 } elseif ( $found_marker && $found_end_marker ) { 191 $post_lines[] = $line; 192 } else { 193 $existing_lines[] = $line; 194 } 195 } 196 197 // Check to see if there was a change 198 if ( $existing_lines === $insertion ) { 199 flock( $fp, LOCK_UN ); 200 fclose( $fp ); 201 202 return true; 203 } 204 205 // Generate the new file data 206 $new_file_data = implode( 207 "\n", 208 array_merge( 209 $pre_lines, 210 array( $start_marker ), 211 $insertion, 212 array( $end_marker ), 213 $post_lines 214 ) 215 ); 216 217 // Write to the start of the file, and truncate it to that length 218 fseek( $fp, 0 ); 219 $bytes = fwrite( $fp, $new_file_data ); 220 if ( $bytes ) { 221 ftruncate( $fp, ftell( $fp ) ); 222 } 223 fflush( $fp ); 224 flock( $fp, LOCK_UN ); 225 fclose( $fp ); 226 227 return (bool) $bytes; 228 } 229 230 /** 231 * Updates the htaccess file with the current rules if it is writable. 232 * 233 * Always writes to the file if it exists and is writable to ensure that we 234 * blank out old rules. 235 * 236 * @since 1.5.0 237 * 238 * @global WP_Rewrite $wp_rewrite WordPress rewrite component. 239 * 240 * @return bool|null True on write success, false on failure. Null in multisite. 241 */ 242 function save_mod_rewrite_rules() { 243 if ( is_multisite() ) { 244 return; 245 } 246 247 global $wp_rewrite; 248 249 // Ensure get_home_path() is declared. 250 require_once ( ABSPATH . 'wp-admin/includes/file.php' ); 251 252 $home_path = get_home_path(); 253 $htaccess_file = $home_path . '.htaccess'; 254 255 /* 256 * If the file doesn't already exist check for write access to the directory 257 * and whether we have some rules. Else check for write access to the file. 258 */ 259 if ( ( ! file_exists( $htaccess_file ) && is_writable( $home_path ) && $wp_rewrite->using_mod_rewrite_permalinks() ) || is_writable( $htaccess_file ) ) { 260 if ( got_mod_rewrite() ) { 261 $rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() ); 262 return insert_with_markers( $htaccess_file, 'WordPress', $rules ); 263 } 264 } 265 266 return false; 267 } 268 269 /** 270 * Updates the IIS web.config file with the current rules if it is writable. 271 * If the permalinks do not require rewrite rules then the rules are deleted from the web.config file. 272 * 273 * @since 2.8.0 274 * 275 * @global WP_Rewrite $wp_rewrite WordPress rewrite component. 276 * 277 * @return bool|null True on write success, false on failure. Null in multisite. 278 */ 279 function iis7_save_url_rewrite_rules() { 280 if ( is_multisite() ) { 281 return; 282 } 283 284 global $wp_rewrite; 285 286 // Ensure get_home_path() is declared. 287 require_once ( ABSPATH . 'wp-admin/includes/file.php' ); 288 289 $home_path = get_home_path(); 290 $web_config_file = $home_path . 'web.config'; 291 292 // Using win_is_writable() instead of is_writable() because of a bug in Windows PHP 293 if ( iis7_supports_permalinks() && ( ( ! file_exists( $web_config_file ) && win_is_writable( $home_path ) && $wp_rewrite->using_mod_rewrite_permalinks() ) || win_is_writable( $web_config_file ) ) ) { 294 $rule = $wp_rewrite->iis7_url_rewrite_rules( false ); 295 if ( ! empty( $rule ) ) { 296 return iis7_add_rewrite_rule( $web_config_file, $rule ); 297 } else { 298 return iis7_delete_rewrite_rule( $web_config_file ); 299 } 300 } 301 return false; 302 } 303 304 /** 305 * Update the "recently-edited" file for the plugin or theme editor. 306 * 307 * @since 1.5.0 308 * 309 * @param string $file 310 */ 311 function update_recently_edited( $file ) { 312 $oldfiles = (array) get_option( 'recently_edited' ); 313 if ( $oldfiles ) { 314 $oldfiles = array_reverse( $oldfiles ); 315 $oldfiles[] = $file; 316 $oldfiles = array_reverse( $oldfiles ); 317 $oldfiles = array_unique( $oldfiles ); 318 if ( 5 < count( $oldfiles ) ) { 319 array_pop( $oldfiles ); 320 } 321 } else { 322 $oldfiles[] = $file; 323 } 324 update_option( 'recently_edited', $oldfiles ); 325 } 326 327 /** 328 * Makes a tree structure for the theme editor's file list. 329 * 330 * @since 4.9.0 331 * @access private 332 * 333 * @param array $allowed_files List of theme file paths. 334 * @return array Tree structure for listing theme files. 335 */ 336 function wp_make_theme_file_tree( $allowed_files ) { 337 $tree_list = array(); 338 foreach ( $allowed_files as $file_name => $absolute_filename ) { 339 $list = explode( '/', $file_name ); 340 $last_dir = &$tree_list; 341 foreach ( $list as $dir ) { 342 $last_dir =& $last_dir[ $dir ]; 343 } 344 $last_dir = $file_name; 345 } 346 return $tree_list; 347 } 348 349 /** 350 * Outputs the formatted file list for the theme editor. 351 * 352 * @since 4.9.0 353 * @access private 354 * 355 * @global string $relative_file Name of the file being edited relative to the 356 * theme directory. 357 * @global string $stylesheet The stylesheet name of the theme being edited. 358 * 359 * @param array|string $tree List of file/folder paths, or filename. 360 * @param int $level The aria-level for the current iteration. 361 * @param int $size The aria-setsize for the current iteration. 362 * @param int $index The aria-posinset for the current iteration. 363 */ 364 function wp_print_theme_file_tree( $tree, $level = 2, $size = 1, $index = 1 ) { 365 global $relative_file, $stylesheet; 366 367 if ( is_array( $tree ) ) { 368 $index = 0; 369 $size = count( $tree ); 370 foreach ( $tree as $label => $theme_file ) : 371 $index++; 372 if ( ! is_array( $theme_file ) ) { 373 wp_print_theme_file_tree( $theme_file, $level, $index, $size ); 374 continue; 375 } 376 ?> 377 <li role="treeitem" aria-expanded="true" tabindex="-1" 378 aria-level="<?php echo esc_attr( $level ); ?>" 379 aria-setsize="<?php echo esc_attr( $size ); ?>" 380 aria-posinset="<?php echo esc_attr( $index ); ?>"> 381 <span class="folder-label"><?php echo esc_html( $label ); ?> <span class="screen-reader-text"><?php _e( 'folder' ); ?></span><span aria-hidden="true" class="icon"></span></span> 382 <ul role="group" class="tree-folder"><?php wp_print_theme_file_tree( $theme_file, $level + 1, $index, $size ); ?></ul> 383 </li> 384 <?php 385 endforeach; 386 } else { 387 $filename = $tree; 388 $url = add_query_arg( 389 array( 390 'file' => rawurlencode( $tree ), 391 'theme' => rawurlencode( $stylesheet ), 392 ), 393 self_admin_url( 'theme-editor.php' ) 394 ); 395 ?> 396 <li role="none" class="<?php echo esc_attr( $relative_file === $filename ? 'current-file' : '' ); ?>"> 397 <a role="treeitem" tabindex="<?php echo esc_attr( $relative_file === $filename ? '0' : '-1' ); ?>" 398 href="<?php echo esc_url( $url ); ?>" 399 aria-level="<?php echo esc_attr( $level ); ?>" 400 aria-setsize="<?php echo esc_attr( $size ); ?>" 401 aria-posinset="<?php echo esc_attr( $index ); ?>"> 402 <?php 403 $file_description = esc_html( get_file_description( $filename ) ); 404 if ( $file_description !== $filename && wp_basename( $filename ) !== $file_description ) { 405 $file_description .= '<br /><span class="nonessential">(' . esc_html( $filename ) . ')</span>'; 406 } 407 408 if ( $relative_file === $filename ) { 409 echo '<span class="notice notice-info">' . $file_description . '</span>'; 410 } else { 411 echo $file_description; 412 } 413 ?> 414 </a> 415 </li> 416 <?php 417 } 418 } 419 420 /** 421 * Makes a tree structure for the plugin editor's file list. 422 * 423 * @since 4.9.0 424 * @access private 425 * 426 * @param array $plugin_editable_files List of plugin file paths. 427 * @return array Tree structure for listing plugin files. 428 */ 429 function wp_make_plugin_file_tree( $plugin_editable_files ) { 430 $tree_list = array(); 431 foreach ( $plugin_editable_files as $plugin_file ) { 432 $list = explode( '/', preg_replace( '#^.+?/#', '', $plugin_file ) ); 433 $last_dir = &$tree_list; 434 foreach ( $list as $dir ) { 435 $last_dir =& $last_dir[ $dir ]; 436 } 437 $last_dir = $plugin_file; 438 } 439 return $tree_list; 440 } 441 442 /** 443 * Outputs the formatted file list for the plugin editor. 444 * 445 * @since 4.9.0 446 * @access private 447 * 448 * @param array|string $tree List of file/folder paths, or filename. 449 * @param string $label Name of file or folder to print. 450 * @param int $level The aria-level for the current iteration. 451 * @param int $size The aria-setsize for the current iteration. 452 * @param int $index The aria-posinset for the current iteration. 453 */ 454 function wp_print_plugin_file_tree( $tree, $label = '', $level = 2, $size = 1, $index = 1 ) { 455 global $file, $plugin; 456 if ( is_array( $tree ) ) { 457 $index = 0; 458 $size = count( $tree ); 459 foreach ( $tree as $label => $plugin_file ) : 460 $index++; 461 if ( ! is_array( $plugin_file ) ) { 462 wp_print_plugin_file_tree( $plugin_file, $label, $level, $index, $size ); 463 continue; 464 } 465 ?> 466 <li role="treeitem" aria-expanded="true" tabindex="-1" 467 aria-level="<?php echo esc_attr( $level ); ?>" 468 aria-setsize="<?php echo esc_attr( $size ); ?>" 469 aria-posinset="<?php echo esc_attr( $index ); ?>"> 470 <span class="folder-label"><?php echo esc_html( $label ); ?> <span class="screen-reader-text"><?php _e( 'folder' ); ?></span><span aria-hidden="true" class="icon"></span></span> 471 <ul role="group" class="tree-folder"><?php wp_print_plugin_file_tree( $plugin_file, '', $level + 1, $index, $size ); ?></ul> 472 </li> 473 <?php 474 endforeach; 475 } else { 476 $url = add_query_arg( 477 array( 478 'file' => rawurlencode( $tree ), 479 'plugin' => rawurlencode( $plugin ), 480 ), 481 self_admin_url( 'plugin-editor.php' ) 482 ); 483 ?> 484 <li role="none" class="<?php echo esc_attr( $file === $tree ? 'current-file' : '' ); ?>"> 485 <a role="treeitem" tabindex="<?php echo esc_attr( $file === $tree ? '0' : '-1' ); ?>" 486 href="<?php echo esc_url( $url ); ?>" 487 aria-level="<?php echo esc_attr( $level ); ?>" 488 aria-setsize="<?php echo esc_attr( $size ); ?>" 489 aria-posinset="<?php echo esc_attr( $index ); ?>"> 490 <?php 491 if ( $file === $tree ) { 492 echo '<span class="notice notice-info">' . esc_html( $label ) . '</span>'; 493 } else { 494 echo esc_html( $label ); 495 } 496 ?> 497 </a> 498 </li> 499 <?php 500 } 501 } 502 503 /** 504 * Flushes rewrite rules if siteurl, home or page_on_front changed. 505 * 506 * @since 2.1.0 507 * 508 * @param string $old_value 509 * @param string $value 510 */ 511 function update_home_siteurl( $old_value, $value ) { 512 if ( wp_installing() ) { 513 return; 514 } 515 516 if ( is_multisite() && ms_is_switched() ) { 517 delete_option( 'rewrite_rules' ); 518 } else { 519 flush_rewrite_rules(); 520 } 521 } 522 523 524 /** 525 * Resets global variables based on $_GET and $_POST 526 * 527 * This function resets global variables based on the names passed 528 * in the $vars array to the value of $_POST[$var] or $_GET[$var] or '' 529 * if neither is defined. 530 * 531 * @since 2.0.0 532 * 533 * @param array $vars An array of globals to reset. 534 */ 535 function wp_reset_vars( $vars ) { 536 foreach ( $vars as $var ) { 537 if ( empty( $_POST[ $var ] ) ) { 538 if ( empty( $_GET[ $var ] ) ) { 539 $GLOBALS[ $var ] = ''; 540 } else { 541 $GLOBALS[ $var ] = $_GET[ $var ]; 542 } 543 } else { 544 $GLOBALS[ $var ] = $_POST[ $var ]; 545 } 546 } 547 } 548 549 /** 550 * Displays the given administration message. 551 * 552 * @since 2.1.0 553 * 554 * @param string|WP_Error $message 555 */ 556 function show_message( $message ) { 557 if ( is_wp_error( $message ) ) { 558 if ( $message->get_error_data() && is_string( $message->get_error_data() ) ) { 559 $message = $message->get_error_message() . ': ' . $message->get_error_data(); 560 } else { 561 $message = $message->get_error_message(); 562 } 563 } 564 echo "<p>$message</p>\n"; 565 wp_ob_end_flush_all(); 566 flush(); 567 } 568 569 /** 570 * @since 2.8.0 571 * 572 * @param string $content 573 * @return array 574 */ 575 function wp_doc_link_parse( $content ) { 576 if ( ! is_string( $content ) || empty( $content ) ) { 577 return array(); 578 } 579 580 if ( ! function_exists( 'token_get_all' ) ) { 581 return array(); 582 } 583 584 $tokens = token_get_all( $content ); 585 $count = count( $tokens ); 586 $functions = array(); 587 $ignore_functions = array(); 588 for ( $t = 0; $t < $count - 2; $t++ ) { 589 if ( ! is_array( $tokens[ $t ] ) ) { 590 continue; 591 } 592 593 if ( T_STRING == $tokens[ $t ][0] && ( '(' == $tokens[ $t + 1 ] || '(' == $tokens[ $t + 2 ] ) ) { 594 // If it's a function or class defined locally, there's not going to be any docs available 595 if ( ( isset( $tokens[ $t - 2 ][1] ) && in_array( $tokens[ $t - 2 ][1], array( 'function', 'class' ) ) ) || ( isset( $tokens[ $t - 2 ][0] ) && T_OBJECT_OPERATOR == $tokens[ $t - 1 ][0] ) ) { 596 $ignore_functions[] = $tokens[ $t ][1]; 597 } 598 // Add this to our stack of unique references 599 $functions[] = $tokens[ $t ][1]; 600 } 601 } 602 603 $functions = array_unique( $functions ); 604 sort( $functions ); 605 606 /** 607 * Filters the list of functions and classes to be ignored from the documentation lookup. 608 * 609 * @since 2.8.0 610 * 611 * @param string[] $ignore_functions Array of names of functions and classes to be ignored. 612 */ 613 $ignore_functions = apply_filters( 'documentation_ignore_functions', $ignore_functions ); 614 615 $ignore_functions = array_unique( $ignore_functions ); 616 617 $out = array(); 618 foreach ( $functions as $function ) { 619 if ( in_array( $function, $ignore_functions ) ) { 620 continue; 621 } 622 $out[] = $function; 623 } 624 625 return $out; 626 } 627 628 /** 629 * Saves option for number of rows when listing posts, pages, comments, etc. 630 * 631 * @since 2.8.0 632 */ 633 function set_screen_options() { 634 635 if ( isset( $_POST['wp_screen_options'] ) && is_array( $_POST['wp_screen_options'] ) ) { 636 check_admin_referer( 'screen-options-nonce', 'screenoptionnonce' ); 637 638 $user = wp_get_current_user(); 639 if ( ! $user ) { 640 return; 641 } 642 $option = $_POST['wp_screen_options']['option']; 643 $value = $_POST['wp_screen_options']['value']; 644 645 if ( $option != sanitize_key( $option ) ) { 646 return; 647 } 648 649 $map_option = $option; 650 $type = str_replace( 'edit_', '', $map_option ); 651 $type = str_replace( '_per_page', '', $type ); 652 if ( in_array( $type, get_taxonomies() ) ) { 653 $map_option = 'edit_tags_per_page'; 654 } elseif ( in_array( $type, get_post_types() ) ) { 655 $map_option = 'edit_per_page'; 656 } else { 657 $option = str_replace( '-', '_', $option ); 658 } 659 660 switch ( $map_option ) { 661 case 'edit_per_page': 662 case 'users_per_page': 663 case 'edit_comments_per_page': 664 case 'upload_per_page': 665 case 'edit_tags_per_page': 666 case 'plugins_per_page': 667 case 'export_personal_data_requests_per_page': 668 case 'remove_personal_data_requests_per_page': 669 // Network admin 670 case 'sites_network_per_page': 671 case 'users_network_per_page': 672 case 'site_users_network_per_page': 673 case 'plugins_network_per_page': 674 case 'themes_network_per_page': 675 case 'site_themes_network_per_page': 676 $value = (int) $value; 677 if ( $value < 1 || $value > 999 ) { 678 return; 679 } 680 break; 681 default: 682 /** 683 * Filters a screen option value before it is set. 684 * 685 * The filter can also be used to modify non-standard [items]_per_page 686 * settings. See the parent function for a full list of standard options. 687 * 688 * Returning false to the filter will skip saving the current option. 689 * 690 * @since 2.8.0 691 * 692 * @see set_screen_options() 693 * 694 * @param bool $keep Whether to save or skip saving the screen option value. Default false. 695 * @param string $option The option name. 696 * @param int $value The number of rows to use. 697 */ 698 $value = apply_filters( 'set-screen-option', false, $option, $value ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores 699 700 if ( false === $value ) { 701 return; 702 } 703 break; 704 } 705 706 update_user_meta( $user->ID, $option, $value ); 707 708 $url = remove_query_arg( array( 'pagenum', 'apage', 'paged' ), wp_get_referer() ); 709 if ( isset( $_POST['mode'] ) ) { 710 $url = add_query_arg( array( 'mode' => $_POST['mode'] ), $url ); 711 } 712 713 wp_safe_redirect( $url ); 714 exit; 715 } 716 } 717 718 /** 719 * Check if rewrite rule for WordPress already exists in the IIS 7+ configuration file 720 * 721 * @since 2.8.0 722 * 723 * @return bool 724 * @param string $filename The file path to the configuration file 725 */ 726 function iis7_rewrite_rule_exists( $filename ) { 727 if ( ! file_exists( $filename ) ) { 728 return false; 729 } 730 if ( ! class_exists( 'DOMDocument', false ) ) { 731 return false; 732 } 733 734 $doc = new DOMDocument(); 735 if ( $doc->load( $filename ) === false ) { 736 return false; 737 } 738 $xpath = new DOMXPath( $doc ); 739 $rules = $xpath->query( '/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]' ); 740 if ( $rules->length == 0 ) { 741 return false; 742 } else { 743 return true; 744 } 745 } 746 747 /** 748 * Delete WordPress rewrite rule from web.config file if it exists there 749 * 750 * @since 2.8.0 751 * 752 * @param string $filename Name of the configuration file 753 * @return bool 754 */ 755 function iis7_delete_rewrite_rule( $filename ) { 756 // If configuration file does not exist then rules also do not exist so there is nothing to delete 757 if ( ! file_exists( $filename ) ) { 758 return true; 759 } 760 761 if ( ! class_exists( 'DOMDocument', false ) ) { 762 return false; 763 } 764 765 $doc = new DOMDocument(); 766 $doc->preserveWhiteSpace = false; 767 768 if ( $doc->load( $filename ) === false ) { 769 return false; 770 } 771 $xpath = new DOMXPath( $doc ); 772 $rules = $xpath->query( '/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]' ); 773 if ( $rules->length > 0 ) { 774 $child = $rules->item( 0 ); 775 $parent = $child->parentNode; 776 $parent->removeChild( $child ); 777 $doc->formatOutput = true; 778 saveDomDocument( $doc, $filename ); 779 } 780 return true; 781 } 782 783 /** 784 * Add WordPress rewrite rule to the IIS 7+ configuration file. 785 * 786 * @since 2.8.0 787 * 788 * @param string $filename The file path to the configuration file 789 * @param string $rewrite_rule The XML fragment with URL Rewrite rule 790 * @return bool 791 */ 792 function iis7_add_rewrite_rule( $filename, $rewrite_rule ) { 793 if ( ! class_exists( 'DOMDocument', false ) ) { 794 return false; 795 } 796 797 // If configuration file does not exist then we create one. 798 if ( ! file_exists( $filename ) ) { 799 $fp = fopen( $filename, 'w' ); 800 fwrite( $fp, '<configuration/>' ); 801 fclose( $fp ); 802 } 803 804 $doc = new DOMDocument(); 805 $doc->preserveWhiteSpace = false; 806 807 if ( $doc->load( $filename ) === false ) { 808 return false; 809 } 810 811 $xpath = new DOMXPath( $doc ); 812 813 // First check if the rule already exists as in that case there is no need to re-add it 814 $wordpress_rules = $xpath->query( '/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]' ); 815 if ( $wordpress_rules->length > 0 ) { 816 return true; 817 } 818 819 // Check the XPath to the rewrite rule and create XML nodes if they do not exist 820 $xmlnodes = $xpath->query( '/configuration/system.webServer/rewrite/rules' ); 821 if ( $xmlnodes->length > 0 ) { 822 $rules_node = $xmlnodes->item( 0 ); 823 } else { 824 $rules_node = $doc->createElement( 'rules' ); 825 826 $xmlnodes = $xpath->query( '/configuration/system.webServer/rewrite' ); 827 if ( $xmlnodes->length > 0 ) { 828 $rewrite_node = $xmlnodes->item( 0 ); 829 $rewrite_node->appendChild( $rules_node ); 830 } else { 831 $rewrite_node = $doc->createElement( 'rewrite' ); 832 $rewrite_node->appendChild( $rules_node ); 833 834 $xmlnodes = $xpath->query( '/configuration/system.webServer' ); 835 if ( $xmlnodes->length > 0 ) { 836 $system_webServer_node = $xmlnodes->item( 0 ); 837 $system_webServer_node->appendChild( $rewrite_node ); 838 } else { 839 $system_webServer_node = $doc->createElement( 'system.webServer' ); 840 $system_webServer_node->appendChild( $rewrite_node ); 841 842 $xmlnodes = $xpath->query( '/configuration' ); 843 if ( $xmlnodes->length > 0 ) { 844 $config_node = $xmlnodes->item( 0 ); 845 $config_node->appendChild( $system_webServer_node ); 846 } else { 847 $config_node = $doc->createElement( 'configuration' ); 848 $doc->appendChild( $config_node ); 849 $config_node->appendChild( $system_webServer_node ); 850 } 851 } 852 } 853 } 854 855 $rule_fragment = $doc->createDocumentFragment(); 856 $rule_fragment->appendXML( $rewrite_rule ); 857 $rules_node->appendChild( $rule_fragment ); 858 859 $doc->encoding = 'UTF-8'; 860 $doc->formatOutput = true; 861 saveDomDocument( $doc, $filename ); 862 863 return true; 864 } 865 866 /** 867 * Saves the XML document into a file 868 * 869 * @since 2.8.0 870 * 871 * @param DOMDocument $doc 872 * @param string $filename 873 */ 874 function saveDomDocument( $doc, $filename ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid 875 $config = $doc->saveXML(); 876 $config = preg_replace( "/([^\r])\n/", "$1\r\n", $config ); 877 $fp = fopen( $filename, 'w' ); 878 fwrite( $fp, $config ); 879 fclose( $fp ); 880 } 881 882 /** 883 * Display the default admin color scheme picker (Used in user-edit.php) 884 * 885 * @since 3.0.0 886 * 887 * @global array $_wp_admin_css_colors 888 * 889 * @param int $user_id User ID. 890 */ 891 function admin_color_scheme_picker( $user_id ) { 892 global $_wp_admin_css_colors; 893 894 ksort( $_wp_admin_css_colors ); 895 896 if ( isset( $_wp_admin_css_colors['fresh'] ) ) { 897 // Set Default ('fresh') and Light should go first. 898 $_wp_admin_css_colors = array_filter( 899 array_merge( 900 array( 901 'fresh' => '', 902 'light' => '', 903 ), 904 $_wp_admin_css_colors 905 ) 906 ); 907 } 908 909 $current_color = get_user_option( 'admin_color', $user_id ); 910 911 if ( empty( $current_color ) || ! isset( $_wp_admin_css_colors[ $current_color ] ) ) { 912 $current_color = 'fresh'; 913 } 914 915 ?> 916 <fieldset id="color-picker" class="scheme-list"> 917 <legend class="screen-reader-text"><span><?php _e( 'Admin Color Scheme' ); ?></span></legend> 918 <?php 919 wp_nonce_field( 'save-color-scheme', 'color-nonce', false ); 920 foreach ( $_wp_admin_css_colors as $color => $color_info ) : 921 922 ?> 923 <div class="color-option <?php echo ( $color == $current_color ) ? 'selected' : ''; ?>"> 924 <input name="admin_color" id="admin_color_<?php echo esc_attr( $color ); ?>" type="radio" value="<?php echo esc_attr( $color ); ?>" class="tog" <?php checked( $color, $current_color ); ?> /> 925 <input type="hidden" class="css_url" value="<?php echo esc_url( $color_info->url ); ?>" /> 926 <input type="hidden" class="icon_colors" value="<?php echo esc_attr( wp_json_encode( array( 'icons' => $color_info->icon_colors ) ) ); ?>" /> 927 <label for="admin_color_<?php echo esc_attr( $color ); ?>"><?php echo esc_html( $color_info->name ); ?></label> 928 <table class="color-palette"> 929 <tr> 930 <?php 931 932 foreach ( $color_info->colors as $html_color ) { 933 ?> 934 <td style="background-color: <?php echo esc_attr( $html_color ); ?>"> </td> 935 <?php 936 } 937 938 ?> 939 </tr> 940 </table> 941 </div> 942 <?php 943 944 endforeach; 945 946 ?> 947 </fieldset> 948 <?php 949 } 950 951 /** 952 * 953 * @global array $_wp_admin_css_colors 954 */ 955 function wp_color_scheme_settings() { 956 global $_wp_admin_css_colors; 957 958 $color_scheme = get_user_option( 'admin_color' ); 959 960 // It's possible to have a color scheme set that is no longer registered. 961 if ( empty( $_wp_admin_css_colors[ $color_scheme ] ) ) { 962 $color_scheme = 'fresh'; 963 } 964 965 if ( ! empty( $_wp_admin_css_colors[ $color_scheme ]->icon_colors ) ) { 966 $icon_colors = $_wp_admin_css_colors[ $color_scheme ]->icon_colors; 967 } elseif ( ! empty( $_wp_admin_css_colors['fresh']->icon_colors ) ) { 968 $icon_colors = $_wp_admin_css_colors['fresh']->icon_colors; 969 } else { 970 // Fall back to the default set of icon colors if the default scheme is missing. 971 $icon_colors = array( 972 'base' => '#a0a5aa', 973 'focus' => '#00a0d2', 974 'current' => '#fff', 975 ); 976 } 977 978 echo '<script type="text/javascript">var _wpColorScheme = ' . wp_json_encode( array( 'icons' => $icon_colors ) ) . ";</script>\n"; 979 } 980 981 /** 982 * @since 3.3.0 983 */ 984 function _ipad_meta() { 985 if ( wp_is_mobile() ) { 986 ?> 987 <meta name="viewport" id="viewport-meta" content="width=device-width, initial-scale=1"> 988 <?php 989 } 990 } 991 992 /** 993 * Check lock status for posts displayed on the Posts screen 994 * 995 * @since 3.6.0 996 * 997 * @param array $response The Heartbeat response. 998 * @param array $data The $_POST data sent. 999 * @param string $screen_id The screen id. 1000 * @return array The Heartbeat response. 1001 */ 1002 function wp_check_locked_posts( $response, $data, $screen_id ) { 1003 $checked = array(); 1004 1005 if ( array_key_exists( 'wp-check-locked-posts', $data ) && is_array( $data['wp-check-locked-posts'] ) ) { 1006 foreach ( $data['wp-check-locked-posts'] as $key ) { 1007 $post_id = absint( substr( $key, 5 ) ); 1008 if ( ! $post_id ) { 1009 continue; 1010 } 1011 1012 $user_id = wp_check_post_lock( $post_id ); 1013 if ( $user_id ) { 1014 $user = get_userdata( $user_id ); 1015 if ( $user && current_user_can( 'edit_post', $post_id ) ) { 1016 $send = array( 1017 /* translators: %s: User's display name. */ 1018 'text' => sprintf( __( '%s is currently editing' ), $user->display_name ), 1019 ); 1020 1021 $avatar = get_avatar( $user->ID, 18 ); 1022 if ( $avatar && preg_match( "|src='([^']+)'|", $avatar, $matches ) ) { 1023 $send['avatar_src'] = $matches[1]; 1024 } 1025 1026 $checked[ $key ] = $send; 1027 } 1028 } 1029 } 1030 } 1031 1032 if ( ! empty( $checked ) ) { 1033 $response['wp-check-locked-posts'] = $checked; 1034 } 1035 1036 return $response; 1037 } 1038 1039 /** 1040 * Check lock status on the New/Edit Post screen and refresh the lock 1041 * 1042 * @since 3.6.0 1043 * 1044 * @param array $response The Heartbeat response. 1045 * @param array $data The $_POST data sent. 1046 * @param string $screen_id The screen id. 1047 * @return array The Heartbeat response. 1048 */ 1049 function wp_refresh_post_lock( $response, $data, $screen_id ) { 1050 if ( array_key_exists( 'wp-refresh-post-lock', $data ) ) { 1051 $received = $data['wp-refresh-post-lock']; 1052 $send = array(); 1053 1054 $post_id = absint( $received['post_id'] ); 1055 if ( ! $post_id ) { 1056 return $response; 1057 } 1058 1059 if ( ! current_user_can( 'edit_post', $post_id ) ) { 1060 return $response; 1061 } 1062 1063 $user_id = wp_check_post_lock( $post_id ); 1064 $user = get_userdata( $user_id ); 1065 if ( $user ) { 1066 $error = array( 1067 /* translators: %s: User's display name. */ 1068 'text' => sprintf( __( '%s has taken over and is currently editing.' ), $user->display_name ), 1069 ); 1070 1071 $avatar = get_avatar( $user->ID, 64 ); 1072 if ( $avatar ) { 1073 if ( preg_match( "|src='([^']+)'|", $avatar, $matches ) ) { 1074 $error['avatar_src'] = $matches[1]; 1075 } 1076 } 1077 1078 $send['lock_error'] = $error; 1079 } else { 1080 $new_lock = wp_set_post_lock( $post_id ); 1081 if ( $new_lock ) { 1082 $send['new_lock'] = implode( ':', $new_lock ); 1083 } 1084 } 1085 1086 $response['wp-refresh-post-lock'] = $send; 1087 } 1088 1089 return $response; 1090 } 1091 1092 /** 1093 * Check nonce expiration on the New/Edit Post screen and refresh if needed 1094 * 1095 * @since 3.6.0 1096 * 1097 * @param array $response The Heartbeat response. 1098 * @param array $data The $_POST data sent. 1099 * @param string $screen_id The screen id. 1100 * @return array The Heartbeat response. 1101 */ 1102 function wp_refresh_post_nonces( $response, $data, $screen_id ) { 1103 if ( array_key_exists( 'wp-refresh-post-nonces', $data ) ) { 1104 $received = $data['wp-refresh-post-nonces']; 1105 $response['wp-refresh-post-nonces'] = array( 'check' => 1 ); 1106 1107 $post_id = absint( $received['post_id'] ); 1108 if ( ! $post_id ) { 1109 return $response; 1110 } 1111 1112 if ( ! current_user_can( 'edit_post', $post_id ) ) { 1113 return $response; 1114 } 1115 1116 $response['wp-refresh-post-nonces'] = array( 1117 'replace' => array( 1118 'getpermalinknonce' => wp_create_nonce( 'getpermalink' ), 1119 'samplepermalinknonce' => wp_create_nonce( 'samplepermalink' ), 1120 'closedpostboxesnonce' => wp_create_nonce( 'closedpostboxes' ), 1121 '_ajax_linking_nonce' => wp_create_nonce( 'internal-linking' ), 1122 '_wpnonce' => wp_create_nonce( 'update-post_' . $post_id ), 1123 ), 1124 ); 1125 } 1126 1127 return $response; 1128 } 1129 1130 /** 1131 * Add the latest Heartbeat and REST-API nonce to the Heartbeat response. 1132 * 1133 * @since 5.0.0 1134 * 1135 * @param array $response The Heartbeat response. 1136 * @return array The Heartbeat response. 1137 */ 1138 function wp_refresh_heartbeat_nonces( $response ) { 1139 // Refresh the Rest API nonce. 1140 $response['rest_nonce'] = wp_create_nonce( 'wp_rest' ); 1141 1142 // Refresh the Heartbeat nonce. 1143 $response['heartbeat_nonce'] = wp_create_nonce( 'heartbeat-nonce' ); 1144 return $response; 1145 } 1146 1147 /** 1148 * Disable suspension of Heartbeat on the Add/Edit Post screens. 1149 * 1150 * @since 3.8.0 1151 * 1152 * @global string $pagenow 1153 * 1154 * @param array $settings An array of Heartbeat settings. 1155 * @return array Filtered Heartbeat settings. 1156 */ 1157 function wp_heartbeat_set_suspension( $settings ) { 1158 global $pagenow; 1159 1160 if ( 'post.php' === $pagenow || 'post-new.php' === $pagenow ) { 1161 $settings['suspension'] = 'disable'; 1162 } 1163 1164 return $settings; 1165 } 1166 1167 /** 1168 * Autosave with heartbeat 1169 * 1170 * @since 3.9.0 1171 * 1172 * @param array $response The Heartbeat response. 1173 * @param array $data The $_POST data sent. 1174 * @return array The Heartbeat response. 1175 */ 1176 function heartbeat_autosave( $response, $data ) { 1177 if ( ! empty( $data['wp_autosave'] ) ) { 1178 $saved = wp_autosave( $data['wp_autosave'] ); 1179 1180 if ( is_wp_error( $saved ) ) { 1181 $response['wp_autosave'] = array( 1182 'success' => false, 1183 'message' => $saved->get_error_message(), 1184 ); 1185 } elseif ( empty( $saved ) ) { 1186 $response['wp_autosave'] = array( 1187 'success' => false, 1188 'message' => __( 'Error while saving.' ), 1189 ); 1190 } else { 1191 /* translators: Draft saved date format, see https://secure.php.net/date */ 1192 $draft_saved_date_format = __( 'g:i:s a' ); 1193 $response['wp_autosave'] = array( 1194 'success' => true, 1195 /* translators: %s: Date and time. */ 1196 'message' => sprintf( __( 'Draft saved at %s.' ), date_i18n( $draft_saved_date_format ) ), 1197 ); 1198 } 1199 } 1200 1201 return $response; 1202 } 1203 1204 /** 1205 * Remove single-use URL parameters and create canonical link based on new URL. 1206 * 1207 * Remove specific query string parameters from a URL, create the canonical link, 1208 * put it in the admin header, and change the current URL to match. 1209 * 1210 * @since 4.2.0 1211 */ 1212 function wp_admin_canonical_url() { 1213 $removable_query_args = wp_removable_query_args(); 1214 1215 if ( empty( $removable_query_args ) ) { 1216 return; 1217 } 1218 1219 // Ensure we're using an absolute URL. 1220 $current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); 1221 $filtered_url = remove_query_arg( $removable_query_args, $current_url ); 1222 ?> 1223 <link id="wp-admin-canonical" rel="canonical" href="<?php echo esc_url( $filtered_url ); ?>" /> 1224 <script> 1225 if ( window.history.replaceState ) { 1226 window.history.replaceState( null, null, document.getElementById( 'wp-admin-canonical' ).href + window.location.hash ); 1227 } 1228 </script> 1229 <?php 1230 } 1231 1232 /** 1233 * Send a referrer policy header so referrers are not sent externally from administration screens. 1234 * 1235 * @since 4.9.0 1236 */ 1237 function wp_admin_headers() { 1238 $policy = 'strict-origin-when-cross-origin'; 1239 1240 /** 1241 * Filters the admin referrer policy header value. 1242 * 1243 * @since 4.9.0 1244 * @since 4.9.5 The default value was changed to 'strict-origin-when-cross-origin'. 1245 * 1246 * @link https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy 1247 * 1248 * @param string $policy The admin referrer policy header value. Default 'strict-origin-when-cross-origin'. 1249 */ 1250 $policy = apply_filters( 'admin_referrer_policy', $policy ); 1251 1252 header( sprintf( 'Referrer-Policy: %s', $policy ) ); 1253 } 1254 1255 /** 1256 * Outputs JS that reloads the page if the user navigated to it with the Back or Forward button. 1257 * 1258 * Used on the Edit Post and Add New Post screens. Needed to ensure the page is not loaded from browser cache, 1259 * so the post title and editor content are the last saved versions. Ideally this script should run first in the head. 1260 * 1261 * @since 4.6.0 1262 */ 1263 function wp_page_reload_on_back_button_js() { 1264 ?> 1265 <script> 1266 if ( typeof performance !== 'undefined' && performance.navigation && performance.navigation.type === 2 ) { 1267 document.location.reload( true ); 1268 } 1269 </script> 1270 <?php 1271 } 1272 1273 /** 1274 * Send a confirmation request email when a change of site admin email address is attempted. 1275 * 1276 * The new site admin address will not become active until confirmed. 1277 * 1278 * @since 3.0.0 1279 * @since 4.9.0 This function was moved from wp-admin/includes/ms.php so it's no longer Multisite specific. 1280 * 1281 * @param string $old_value The old site admin email address. 1282 * @param string $value The proposed new site admin email address. 1283 */ 1284 function update_option_new_admin_email( $old_value, $value ) { 1285 if ( $value == get_option( 'admin_email' ) || ! is_email( $value ) ) { 1286 return; 1287 } 1288 1289 $hash = md5( $value . time() . wp_rand() ); 1290 $new_admin_email = array( 1291 'hash' => $hash, 1292 'newemail' => $value, 1293 ); 1294 update_option( 'adminhash', $new_admin_email ); 1295 1296 $switched_locale = switch_to_locale( get_user_locale() ); 1297 1298 /* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */ 1299 $email_text = __( 1300 'Howdy ###USERNAME###, 1301 1302 You recently requested to have the administration email address on 1303 your site changed. 1304 1305 If this is correct, please click on the following link to change it: 1306 ###ADMIN_URL### 1307 1308 You can safely ignore and delete this email if you do not want to 1309 take this action. 1310 1311 This email has been sent to ###EMAIL### 1312 1313 Regards, 1314 All at ###SITENAME### 1315 ###SITEURL###' 1316 ); 1317 1318 /** 1319 * Filters the text of the email sent when a change of site admin email address is attempted. 1320 * 1321 * The following strings have a special meaning and will get replaced dynamically: 1322 * ###USERNAME### The current user's username. 1323 * ###ADMIN_URL### The link to click on to confirm the email change. 1324 * ###EMAIL### The proposed new site admin email address. 1325 * ###SITENAME### The name of the site. 1326 * ###SITEURL### The URL to the site. 1327 * 1328 * @since MU (3.0.0) 1329 * @since 4.9.0 This filter is no longer Multisite specific. 1330 * 1331 * @param string $email_text Text in the email. 1332 * @param array $new_admin_email { 1333 * Data relating to the new site admin email address. 1334 * 1335 * @type string $hash The secure hash used in the confirmation link URL. 1336 * @type string $newemail The proposed new site admin email address. 1337 * } 1338 */ 1339 $content = apply_filters( 'new_admin_email_content', $email_text, $new_admin_email ); 1340 1341 $current_user = wp_get_current_user(); 1342 $content = str_replace( '###USERNAME###', $current_user->user_login, $content ); 1343 $content = str_replace( '###ADMIN_URL###', esc_url( self_admin_url( 'options.php?adminhash=' . $hash ) ), $content ); 1344 $content = str_replace( '###EMAIL###', $value, $content ); 1345 $content = str_replace( '###SITENAME###', wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), $content ); 1346 $content = str_replace( '###SITEURL###', home_url(), $content ); 1347 1348 wp_mail( 1349 $value, 1350 sprintf( 1351 /* translators: New admin email address notification email subject. %s: Site title. */ 1352 __( '[%s] New Admin Email Address' ), 1353 wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ) 1354 ), 1355 $content 1356 ); 1357 1358 if ( $switched_locale ) { 1359 restore_previous_locale(); 1360 } 1361 } 1362 1363 /** 1364 * Appends '(Draft)' to draft page titles in the privacy page dropdown 1365 * so that unpublished content is obvious. 1366 * 1367 * @since 4.9.8 1368 * @access private 1369 * 1370 * @param string $title Page title. 1371 * @param WP_Post $page Page data object. 1372 * 1373 * @return string Page title. 1374 */ 1375 function _wp_privacy_settings_filter_draft_page_titles( $title, $page ) { 1376 if ( 'draft' === $page->post_status && 'privacy' === get_current_screen()->id ) { 1377 /* translators: %s: Page title. */ 1378 $title = sprintf( __( '%s (Draft)' ), $title ); 1379 } 1380 1381 return $title; 1382 } 1383 1384 /** 1385 * Checks if the user needs to update PHP. 1386 * 1387 * @since 5.1.0 1388 * @since 5.1.1 Added the {@see 'wp_is_php_version_acceptable'} filter. 1389 * 1390 * @return array|false $response Array of PHP version data. False on failure. 1391 */ 1392 function wp_check_php_version() { 1393 $version = phpversion(); 1394 $key = md5( $version ); 1395 1396 $response = get_site_transient( 'php_check_' . $key ); 1397 if ( false === $response ) { 1398 $url = 'http://api.wordpress.org/core/serve-happy/1.0/'; 1399 if ( wp_http_supports( array( 'ssl' ) ) ) { 1400 $url = set_url_scheme( $url, 'https' ); 1401 } 1402 1403 $url = add_query_arg( 'php_version', $version, $url ); 1404 1405 $response = wp_remote_get( $url ); 1406 1407 if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) { 1408 return false; 1409 } 1410 1411 /** 1412 * Response should be an array with: 1413 * 'recommended_version' - string - The PHP version recommended by WordPress. 1414 * 'is_supported' - boolean - Whether the PHP version is actively supported. 1415 * 'is_secure' - boolean - Whether the PHP version receives security updates. 1416 * 'is_acceptable' - boolean - Whether the PHP version is still acceptable for WordPress. 1417 */ 1418 $response = json_decode( wp_remote_retrieve_body( $response ), true ); 1419 1420 if ( ! is_array( $response ) ) { 1421 return false; 1422 } 1423 1424 set_site_transient( 'php_check_' . $key, $response, WEEK_IN_SECONDS ); 1425 } 1426 1427 if ( isset( $response['is_acceptable'] ) && $response['is_acceptable'] ) { 1428 /** 1429 * Filters whether the active PHP version is considered acceptable by WordPress. 1430 * 1431 * Returning false will trigger a PHP version warning to show up in the admin dashboard to administrators. 1432 * 1433 * This filter is only run if the wordpress.org Serve Happy API considers the PHP version acceptable, ensuring 1434 * that this filter can only make this check stricter, but not loosen it. 1435 * 1436 * @since 5.1.1 1437 * 1438 * @param bool $is_acceptable Whether the PHP version is considered acceptable. Default true. 1439 * @param string $version PHP version checked. 1440 */ 1441 $response['is_acceptable'] = (bool) apply_filters( 'wp_is_php_version_acceptable', true, $version ); 1442 } 1443 1444 return $response; 1445 }
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| Generated: Sat Nov 23 20:47:33 2019 | Cross-referenced by PHPXref 0.7 |