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1 <?php 2 // Last sync [WP11544] 3 4 /** 5 * From WP wp-includes/functions.php 6 * 7 * Missing functions are indicated in comments 8 */ 9 10 /** 11 * Main BackPress API 12 * 13 * @package BackPress 14 */ 15 16 // ! function mysql2date() 17 18 if ( !function_exists('current_time') ) : 19 /** 20 * Retrieve the current time based on specified type. 21 * 22 * The 'mysql' type will return the time in the format for MySQL DATETIME field. 23 * The 'timestamp' type will return the current timestamp. 24 * 25 * If $gmt is set to either '1' or 'true', then both types will use GMT time. 26 * if $gmt is false, the output is adjusted with the GMT offset in the WordPress option. 27 * 28 * @since 1.0.0 29 * 30 * @param string $type Either 'mysql' or 'timestamp'. 31 * @param int|bool $gmt Optional. Whether to use GMT timezone. Default is false. 32 * @return int|string String if $type is 'gmt', int if $type is 'timestamp'. 33 */ 34 function current_time( $type, $gmt = 0 ) { 35 switch ( $type ) { 36 case 'mysql': 37 return ( $gmt ) ? gmdate( 'Y-m-d H:i:s' ) : gmdate( 'Y-m-d H:i:s', ( time() + ( backpress_get_option( 'gmt_offset' ) * 3600 ) ) ); 38 break; 39 case 'timestamp': 40 return ( $gmt ) ? time() : time() + ( backpress_get_option( 'gmt_offset' ) * 3600 ); 41 break; 42 } 43 } 44 endif; 45 46 // ! function date_i18n() 47 // ! function number_format_i18n() 48 // ! function size_format() 49 // ! function get_weekstartend() 50 51 if ( !function_exists('maybe_unserialize') ) : 52 /** 53 * Unserialize value only if it was serialized. 54 * 55 * @since 2.0.0 56 * 57 * @param string $original Maybe unserialized original, if is needed. 58 * @return mixed Unserialized data can be any type. 59 */ 60 function maybe_unserialize( $original ) { 61 if ( is_serialized( $original ) ) // don't attempt to unserialize data that wasn't serialized going in 62 return @unserialize( $original ); 63 return $original; 64 } 65 endif; 66 67 if ( !function_exists('is_serialized') ) : 68 /** 69 * Check value to find if it was serialized. 70 * 71 * If $data is not an string, then returned value will always be false. 72 * Serialized data is always a string. 73 * 74 * @since 2.0.5 75 * 76 * @param mixed $data Value to check to see if was serialized. 77 * @return bool False if not serialized and true if it was. 78 */ 79 function is_serialized( $data ) { 80 // if it isn't a string, it isn't serialized 81 if ( !is_string( $data ) ) 82 return false; 83 $data = trim( $data ); 84 if ( 'N;' == $data ) 85 return true; 86 if ( !preg_match( '/^([adObis]):/', $data, $badions ) ) 87 return false; 88 switch ( $badions[1] ) { 89 case 'a' : 90 case 'O' : 91 case 's' : 92 if ( preg_match( "/^{$badions[1]}:[0-9]+:.*[;}]\$/s", $data ) ) 93 return true; 94 break; 95 case 'b' : 96 case 'i' : 97 case 'd' : 98 if ( preg_match( "/^{$badions[1]}:[0-9.E-]+;\$/", $data ) ) 99 return true; 100 break; 101 } 102 return false; 103 } 104 endif; 105 106 if ( !function_exists('is_serialized_string') ) : 107 /** 108 * Check whether serialized data is of string type. 109 * 110 * @since 2.0.5 111 * 112 * @param mixed $data Serialized data 113 * @return bool False if not a serialized string, true if it is. 114 */ 115 function is_serialized_string( $data ) { 116 // if it isn't a string, it isn't a serialized string 117 if ( !is_string( $data ) ) 118 return false; 119 $data = trim( $data ); 120 if ( preg_match( '/^s:[0-9]+:.*;$/s', $data ) ) // this should fetch all serialized strings 121 return true; 122 return false; 123 } 124 endif; 125 126 // ! function get_option() 127 // ! function wp_protect_special_option() 128 // ! function form_option() 129 // ! function get_alloptions() 130 // ! function wp_load_alloptions() 131 // ! function update_option() 132 // ! function add_option() 133 // ! function delete_option() 134 // ! function delete_transient() 135 // ! function get_transient() 136 // ! function set_transient() 137 // ! function wp_user_settings() 138 // ! function get_user_setting() 139 // ! function set_user_setting() 140 // ! function delete_user_setting() 141 // ! function get_all_user_settings() 142 // ! function wp_set_all_user_settings() 143 // ! function delete_all_user_settings() 144 145 if ( !function_exists('maybe_serialize') ) : 146 /** 147 * Serialize data, if needed. 148 * 149 * @since 2.0.5 150 * 151 * @param mixed $data Data that might be serialized. 152 * @return mixed A scalar data 153 */ 154 function maybe_serialize( $data ) { 155 if ( is_array( $data ) || is_object( $data ) ) 156 return serialize( $data ); 157 158 if ( is_serialized( $data ) ) 159 return serialize( $data ); 160 161 return $data; 162 } 163 endif; 164 165 // ! function make_url_footnote() 166 // ! function xmlrpc_getposttitle() 167 // ! function xmlrpc_getpostcategory() 168 // ! function xmlrpc_removepostdata() 169 // ! function debug_fopen() 170 // ! function debug_fwrite() 171 // ! function debug_fclose() 172 // ! function do_enclose() 173 // ! function wp_get_http() 174 // ! function wp_get_http_headers() 175 // ! function is_new_day() 176 177 if ( !function_exists( 'build_query' ) ) : 178 /** 179 * Build URL query based on an associative and, or indexed array. 180 * 181 * This is a convenient function for easily building url queries. It sets the 182 * separator to '&' and uses _http_build_query() function. 183 * 184 * @see _http_build_query() Used to build the query 185 * @link http://us2.php.net/manual/en/function.http-build-query.php more on what 186 * http_build_query() does. 187 * 188 * @since 2.3.0 189 * 190 * @param array $data URL-encode key/value pairs. 191 * @return string URL encoded string 192 */ 193 function build_query( $data ) { 194 return _http_build_query( $data, null, '&', '', false ); 195 } 196 endif; 197 198 if ( !function_exists( 'add_query_arg' ) ) : 199 /** 200 * Retrieve a modified URL query string. 201 * 202 * You can rebuild the URL and append a new query variable to the URL query by 203 * using this function. You can also retrieve the full URL with query data. 204 * 205 * Adding a single key & value or an associative array. Setting a key value to 206 * emptystring removes the key. Omitting oldquery_or_uri uses the $_SERVER 207 * value. 208 * 209 * @since 1.5.0 210 * 211 * @param mixed $param1 Either newkey or an associative_array 212 * @param mixed $param2 Either newvalue or oldquery or uri 213 * @param mixed $param3 Optional. Old query or uri 214 * @return string New URL query string. 215 */ 216 function add_query_arg() { 217 $args = func_get_args(); 218 if ( is_array( $args[0] ) ) { 219 if ( count( $args ) < 2 || false === $args[1] ) 220 $uri = $_SERVER['REQUEST_URI']; 221 else 222 $uri = $args[1]; 223 } else { 224 if ( count( $args ) < 3 || false === $args[2] ) 225 $uri = $_SERVER['REQUEST_URI']; 226 else 227 $uri = $args[2]; 228 } 229 230 if ( $frag = strstr( $uri, '#' ) ) 231 $uri = substr( $uri, 0, -strlen( $frag ) ); 232 else 233 $frag = ''; 234 235 if ( 0 === stripos( $uri, 'http://' ) ) { 236 $protocol = 'http://'; 237 $uri = substr( $uri, 7 ); 238 } elseif ( 0 === stripos( $uri, 'https://' ) ) { 239 $protocol = 'https://'; 240 $uri = substr( $uri, 8 ); 241 } else { 242 $protocol = ''; 243 } 244 245 if ( strpos( $uri, '?' ) !== false ) { 246 list( $base, $query ) = explode( '?', $uri, 2 ); 247 $base .= '?'; 248 } elseif ( $protocol || strpos( $uri, '=' ) === false ) { 249 $base = $uri . '?'; 250 $query = ''; 251 } else { 252 $base = ''; 253 $query = $uri; 254 } 255 256 wp_parse_str( $query, $qs ); 257 $qs = urlencode_deep( $qs ); // this re-URL-encodes things that were already in the query string 258 if ( is_array( $args[0] ) ) { 259 foreach ( $args[0] as $k => $v ) { 260 $qs[ $k ] = $v; 261 } 262 } else { 263 $qs[ $args[0] ] = $args[1]; 264 } 265 266 foreach ( $qs as $k => $v ) { 267 if ( $v === false ) 268 unset( $qs[$k] ); 269 } 270 271 $ret = build_query( $qs ); 272 $ret = trim( $ret, '?' ); 273 $ret = preg_replace( '#=(&|$)#', '$1', $ret ); 274 $ret = $protocol . $base . $ret . $frag; 275 $ret = rtrim( $ret, '?' ); 276 return $ret; 277 } 278 endif; 279 280 if ( !function_exists( 'remove_query_arg' ) ) : 281 /** 282 * Removes an item or list from the query string. 283 * 284 * @since 1.5.0 285 * 286 * @param string|array $key Query key or keys to remove. 287 * @param bool $query When false uses the $_SERVER value. 288 * @return string New URL query string. 289 */ 290 function remove_query_arg( $key, $query=false ) { 291 if ( is_array( $key ) ) { // removing multiple keys 292 foreach ( $key as $k ) 293 $query = add_query_arg( $k, false, $query ); 294 return $query; 295 } 296 return add_query_arg( $key, false, $query ); 297 } 298 endif; 299 300 // ! function add_magic_quotes() 301 302 if ( !function_exists( 'wp_remote_fopen' ) ) : 303 /** 304 * HTTP request for URI to retrieve content. 305 * 306 * @since 1.5.1 307 * @uses wp_remote_get() 308 * 309 * @param string $uri URI/URL of web page to retrieve. 310 * @return bool|string HTTP content. False on failure. 311 */ 312 function wp_remote_fopen( $uri ) { 313 $parsed_url = @parse_url( $uri ); 314 315 if ( !$parsed_url || !is_array( $parsed_url ) ) 316 return false; 317 318 $options = array(); 319 $options['timeout'] = 10; 320 321 $response = wp_remote_get( $uri, $options ); 322 323 if ( is_wp_error( $response ) ) 324 return false; 325 326 return $response['body']; 327 } 328 endif; 329 330 // ! function wp() 331 332 if ( !function_exists( 'get_status_header_desc' ) ) : 333 /** 334 * Retrieve the description for the HTTP status. 335 * 336 * @since 2.3.0 337 * 338 * @param int $code HTTP status code. 339 * @return string Empty string if not found, or description if found. 340 */ 341 function get_status_header_desc( $code ) { 342 global $wp_header_to_desc; 343 344 $code = absint( $code ); 345 346 if ( !isset( $wp_header_to_desc ) ) { 347 $wp_header_to_desc = array( 348 100 => 'Continue', 349 101 => 'Switching Protocols', 350 102 => 'Processing', 351 352 200 => 'OK', 353 201 => 'Created', 354 202 => 'Accepted', 355 203 => 'Non-Authoritative Information', 356 204 => 'No Content', 357 205 => 'Reset Content', 358 206 => 'Partial Content', 359 207 => 'Multi-Status', 360 226 => 'IM Used', 361 362 300 => 'Multiple Choices', 363 301 => 'Moved Permanently', 364 302 => 'Found', 365 303 => 'See Other', 366 304 => 'Not Modified', 367 305 => 'Use Proxy', 368 306 => 'Reserved', 369 307 => 'Temporary Redirect', 370 371 400 => 'Bad Request', 372 401 => 'Unauthorized', 373 402 => 'Payment Required', 374 403 => 'Forbidden', 375 404 => 'Not Found', 376 405 => 'Method Not Allowed', 377 406 => 'Not Acceptable', 378 407 => 'Proxy Authentication Required', 379 408 => 'Request Timeout', 380 409 => 'Conflict', 381 410 => 'Gone', 382 411 => 'Length Required', 383 412 => 'Precondition Failed', 384 413 => 'Request Entity Too Large', 385 414 => 'Request-URI Too Long', 386 415 => 'Unsupported Media Type', 387 416 => 'Requested Range Not Satisfiable', 388 417 => 'Expectation Failed', 389 422 => 'Unprocessable Entity', 390 423 => 'Locked', 391 424 => 'Failed Dependency', 392 426 => 'Upgrade Required', 393 394 500 => 'Internal Server Error', 395 501 => 'Not Implemented', 396 502 => 'Bad Gateway', 397 503 => 'Service Unavailable', 398 504 => 'Gateway Timeout', 399 505 => 'HTTP Version Not Supported', 400 506 => 'Variant Also Negotiates', 401 507 => 'Insufficient Storage', 402 510 => 'Not Extended' 403 ); 404 } 405 406 if ( isset( $wp_header_to_desc[$code] ) ) 407 return $wp_header_to_desc[$code]; 408 else 409 return ''; 410 } 411 endif; 412 413 if ( !function_exists( 'status_header' ) ) : 414 /** 415 * Set HTTP status header. 416 * 417 * @since 2.0.0 418 * @uses apply_filters() Calls 'status_header' on status header string, HTTP 419 * HTTP code, HTTP code description, and protocol string as separate 420 * parameters. 421 * 422 * @param int $header HTTP status code 423 * @return null Does not return anything. 424 */ 425 function status_header( $header ) { 426 $text = get_status_header_desc( $header ); 427 428 if ( empty( $text ) ) 429 return false; 430 431 $protocol = $_SERVER["SERVER_PROTOCOL"]; 432 if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol ) 433 $protocol = 'HTTP/1.0'; 434 $status_header = "$protocol $header $text"; 435 if ( function_exists( 'apply_filters' ) ) 436 $status_header = apply_filters( 'status_header', $status_header, $header, $text, $protocol ); 437 438 return @header( $status_header, true, $header ); 439 } 440 endif; 441 442 if ( !function_exists( 'wp_get_nocache_headers' ) ) : 443 /** 444 * Gets the header information to prevent caching. 445 * 446 * The several different headers cover the different ways cache prevention is handled 447 * by different browsers 448 * 449 * @since 2.8 450 * 451 * @uses apply_filters() 452 * @return array The associative array of header names and field values. 453 */ 454 function wp_get_nocache_headers() { 455 $headers = array( 456 'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT', 457 'Last-Modified' => gmdate( 'D, d M Y H:i:s' ) . ' GMT', 458 'Cache-Control' => 'no-cache, must-revalidate, max-age=0', 459 'Pragma' => 'no-cache', 460 ); 461 462 if ( function_exists('apply_filters') ) { 463 $headers = apply_filters('nocache_headers', $headers); 464 } 465 return $headers; 466 } 467 endif; 468 469 if ( !function_exists( 'nocache_headers' ) ) : 470 /** 471 * Sets the headers to prevent caching for the different browsers. 472 * 473 * Different browsers support different nocache headers, so several headers must 474 * be sent so that all of them get the point that no caching should occur. 475 * 476 * @since 2.0.0 477 * @uses wp_get_nocache_headers() 478 */ 479 function nocache_headers() { 480 $headers = wp_get_nocache_headers(); 481 foreach( (array) $headers as $name => $field_value ) 482 @header("{$name}: {$field_value}"); 483 } 484 endif; 485 486 if ( !function_exists( 'cache_javascript_headers' ) ) : 487 /** 488 * Set the headers for caching for 10 days with JavaScript content type. 489 * 490 * @since 2.1.0 491 */ 492 function cache_javascript_headers() { 493 $expiresOffset = 864000; // 10 days 494 header( "Content-Type: text/javascript; charset=" . backpress_get_option( 'charset' ) ); 495 header( "Vary: Accept-Encoding" ); // Handle proxies 496 header( "Expires: " . gmdate( "D, d M Y H:i:s", time() + $expiresOffset ) . " GMT" ); 497 } 498 endif; 499 500 // ! function get_num_queries() 501 // ! function bool_from_yn() 502 // ! function do_feed() 503 // ! function do_feed_rdf() 504 // ! function do_feed_rss() 505 // ! function do_feed_rss2() 506 // ! function do_feed_atom() 507 // ! function do_robots() 508 // ! function is_blog_installed() 509 // ! function wp_nonce_url() 510 // ! function wp_nonce_field() 511 512 if ( !function_exists( 'wp_referer_field' ) ) : 513 /** 514 * Retrieve or display referer hidden field for forms. 515 * 516 * The referer link is the current Request URI from the server super global. The 517 * input name is '_wp_http_referer', in case you wanted to check manually. 518 * 519 * @package WordPress 520 * @subpackage Security 521 * @since 2.0.4 522 * 523 * @param bool $echo Whether to echo or return the referer field. 524 * @return string Referer field. 525 */ 526 function wp_referer_field( $echo = true) { 527 $ref = esc_attr( $_SERVER['REQUEST_URI'] ); 528 $referer_field = '<input type="hidden" name="_wp_http_referer" value="'. $ref . '" />'; 529 530 if ( $echo ) 531 echo $referer_field; 532 return $referer_field; 533 } 534 endif; 535 536 if ( !function_exists( 'wp_original_referer_field' ) ) : 537 /** 538 * Retrieve or display original referer hidden field for forms. 539 * 540 * The input name is '_wp_original_http_referer' and will be either the same 541 * value of {@link wp_referer_field()}, if that was posted already or it will 542 * be the current page, if it doesn't exist. 543 * 544 * @package WordPress 545 * @subpackage Security 546 * @since 2.0.4 547 * 548 * @param bool $echo Whether to echo the original http referer 549 * @param string $jump_back_to Optional, default is 'current'. Can be 'previous' or page you want to jump back to. 550 * @return string Original referer field. 551 */ 552 function wp_original_referer_field( $echo = true, $jump_back_to = 'current' ) { 553 $jump_back_to = ( 'previous' == $jump_back_to ) ? wp_get_referer() : $_SERVER['REQUEST_URI']; 554 $ref = ( wp_get_original_referer() ) ? wp_get_original_referer() : $jump_back_to; 555 $orig_referer_field = '<input type="hidden" name="_wp_original_http_referer" value="' . esc_attr( stripslashes( $ref ) ) . '" />'; 556 if ( $echo ) 557 echo $orig_referer_field; 558 return $orig_referer_field; 559 } 560 endif; 561 562 if ( !function_exists( 'wp_get_referer' ) ) : 563 /** 564 * Retrieve referer from '_wp_http_referer', HTTP referer, or current page respectively. 565 * 566 * @package WordPress 567 * @subpackage Security 568 * @since 2.0.4 569 * 570 * @return string|bool False on failure. Referer URL on success. 571 */ 572 function wp_get_referer() { 573 $ref = ''; 574 if ( ! empty( $_REQUEST['_wp_http_referer'] ) ) 575 $ref = $_REQUEST['_wp_http_referer']; 576 else if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) 577 $ref = $_SERVER['HTTP_REFERER']; 578 579 if ( $ref !== $_SERVER['REQUEST_URI'] ) 580 return $ref; 581 return false; 582 } 583 endif; 584 585 if ( !function_exists( 'wp_get_original_referer' ) ) : 586 /** 587 * Retrieve original referer that was posted, if it exists. 588 * 589 * @package WordPress 590 * @subpackage Security 591 * @since 2.0.4 592 * 593 * @return string|bool False if no original referer or original referer if set. 594 */ 595 function wp_get_original_referer() { 596 if ( !empty( $_REQUEST['_wp_original_http_referer'] ) ) 597 return $_REQUEST['_wp_original_http_referer']; 598 return false; 599 } 600 endif; 601 602 // ! function wp_mkdir_p() 603 // ! function path_is_absolute() 604 // ! function path_join() 605 // ! function wp_upload_dir() 606 // ! function wp_unique_filename() 607 // ! function wp_upload_bits() 608 // ! function wp_ext2type() 609 // ! function wp_check_filetype() 610 // ! function wp_explain_nonce() 611 // ! function wp_nonce_ays() 612 // ! function wp_die() 613 // ! function _config_wp_home() 614 // ! function _config_wp_siteurl() 615 // ! function _mce_set_direction() 616 // ! function smilies_init() 617 618 if ( !function_exists('wp_parse_args') ) : 619 /** 620 * Merge user defined arguments into defaults array. 621 * 622 * This function is used throughout WordPress to allow for both string or array 623 * to be merged into another array. 624 * 625 * @since 2.2.0 626 * 627 * @param string|array $args Value to merge with $defaults 628 * @param array $defaults Array that serves as the defaults. 629 * @return array Merged user defined values with defaults. 630 */ 631 function wp_parse_args( $args, $defaults = '' ) { 632 if ( is_object( $args ) ) 633 $r = get_object_vars( $args ); 634 elseif ( is_array( $args ) ) 635 $r =& $args; 636 else 637 wp_parse_str( $args, $r ); 638 639 if ( is_array( $defaults ) ) 640 return array_merge( $defaults, $r ); 641 return $r; 642 } 643 endif; 644 645 // ! function wp_maybe_load_widgets() 646 // ! function wp_widgets_add_menu() 647 // ! function wp_ob_end_flush_all() 648 // ! function require_wp_db() 649 // ! function dead_db() 650 651 if ( !function_exists('absint') ) : 652 /** 653 * Converts value to nonnegative integer. 654 * 655 * @since 2.5.0 656 * 657 * @param mixed $maybeint Data you wish to have convered to an nonnegative integer 658 * @return int An nonnegative integer 659 */ 660 function absint( $maybeint ) { 661 return abs( intval( $maybeint ) ); 662 } 663 endif; 664 665 // ! function url_is_accessable_via_ssl() 666 // ! function atom_service_url_filter() 667 // ! function _deprecated_function() 668 // ! function _deprecated_file() 669 670 if ( !function_exists('is_lighttpd_before_150') ) : 671 /** 672 * Is the server running earlier than 1.5.0 version of lighttpd 673 * 674 * @since 2.5.0 675 * 676 * @return bool Whether the server is running lighttpd < 1.5.0 677 */ 678 function is_lighttpd_before_150() { 679 $server_parts = explode( '/', isset( $_SERVER['SERVER_SOFTWARE'] )? $_SERVER['SERVER_SOFTWARE'] : '' ); 680 $server_parts[1] = isset( $server_parts[1] )? $server_parts[1] : ''; 681 return 'lighttpd' == $server_parts[0] && -1 == version_compare( $server_parts[1], '1.5.0' ); 682 } 683 endif; 684 685 if ( !function_exists('apache_mod_loaded') ) : 686 /** 687 * Does the specified module exist in the apache config? 688 * 689 * @since 2.5.0 690 * 691 * @param string $mod e.g. mod_rewrite 692 * @param bool $default The default return value if the module is not found 693 * @return bool 694 */ 695 function apache_mod_loaded($mod, $default = false) { 696 global $is_apache; 697 698 if ( !$is_apache ) 699 return false; 700 701 if ( function_exists('apache_get_modules') ) { 702 $mods = apache_get_modules(); 703 if ( in_array($mod, $mods) ) 704 return true; 705 } elseif ( function_exists('phpinfo') ) { 706 ob_start(); 707 phpinfo(8); 708 $phpinfo = ob_get_clean(); 709 if ( false !== strpos($phpinfo, $mod) ) 710 return true; 711 } 712 return $default; 713 } 714 endif; 715 716 if ( !function_exists('validate_file') ) : 717 /** 718 * File validates against allowed set of defined rules. 719 * 720 * A return value of '1' means that the $file contains either '..' or './'. A 721 * return value of '2' means that the $file contains ':' after the first 722 * character. A return value of '3' means that the file is not in the allowed 723 * files list. 724 * 725 * @since 1.2.0 726 * 727 * @param string $file File path. 728 * @param array $allowed_files List of allowed files. 729 * @return int 0 means nothing is wrong, greater than 0 means something was wrong. 730 */ 731 function validate_file( $file, $allowed_files = '' ) { 732 if ( false !== strpos( $file, '..' )) 733 return 1; 734 735 if ( false !== strpos( $file, './' )) 736 return 1; 737 738 if (':' == substr( $file, 1, 1 )) 739 return 2; 740 741 if (!empty ( $allowed_files ) && (!in_array( $file, $allowed_files ) ) ) 742 return 3; 743 744 return 0; 745 } 746 endif; 747 748 if ( !function_exists('is_ssl') ) : 749 /** 750 * Determine if SSL is used. 751 * 752 * @since 2.6.0 753 * 754 * @return bool True if SSL, false if not used. 755 */ 756 function is_ssl() { 757 if ( isset($_SERVER['HTTPS']) ) { 758 if ( 'on' == strtolower($_SERVER['HTTPS']) ) 759 return true; 760 if ( '1' == $_SERVER['HTTPS'] ) 761 return true; 762 } elseif ( isset($_SERVER['SERVER_PORT']) && ( '443' == $_SERVER['SERVER_PORT'] ) ) { 763 return true; 764 } 765 return false; 766 } 767 endif; 768 769 if ( !function_exists('force_ssl_login') ) : 770 /** 771 * Whether SSL login should be forced. 772 * 773 * @since 2.6.0 774 * 775 * @param string|bool $force Optional. 776 * @return bool True if forced, false if not forced. 777 */ 778 function force_ssl_login($force = '') { 779 static $forced; 780 781 if ( '' != $force ) { 782 $old_forced = $forced; 783 $forced = $force; 784 return $old_forced; 785 } 786 787 return $forced; 788 } 789 endif; 790 791 if ( !function_exists('force_ssl_admin') ) : 792 /** 793 * Whether to force SSL used for the Administration Panels. 794 * 795 * @since 2.6.0 796 * 797 * @param string|bool $force 798 * @return bool True if forced, false if not forced. 799 */ 800 function force_ssl_admin($force = '') { 801 static $forced; 802 803 if ( '' != $force ) { 804 $old_forced = $forced; 805 $forced = $force; 806 return $old_forced; 807 } 808 809 return $forced; 810 } 811 endif; 812 813 // ! function wp_guess_url() 814 // ! function wp_suspend_cache_invalidation() 815 // ! function get_site_option() 816 // ! function add_site_option() 817 // ! function update_site_option() 818 819 if ( !function_exists('wp_timezone_override_offset') ) : 820 /** 821 * gmt_offset modification for smart timezone handling 822 * 823 * Overrides the gmt_offset option if we have a timezone_string available 824 */ 825 function wp_timezone_override_offset() { 826 if ( !wp_timezone_supported() ) { 827 return false; 828 } 829 if ( !$timezone_string = backpress_get_option( 'timezone_string' ) ) { 830 return false; 831 } 832 833 @date_default_timezone_set( $timezone_string ); 834 $timezone_object = timezone_open( $timezone_string ); 835 $datetime_object = date_create(); 836 if ( false === $timezone_object || false === $datetime_object ) { 837 return false; 838 } 839 return round( timezone_offset_get( $timezone_object, $datetime_object ) / 3600, 2 ); 840 } 841 endif; 842 843 if ( !function_exists('wp_timezone_supported') ) : 844 /** 845 * Check for PHP timezone support 846 */ 847 function wp_timezone_supported() { 848 $support = false; 849 if ( 850 function_exists( 'date_default_timezone_set' ) && 851 function_exists( 'timezone_identifiers_list' ) && 852 function_exists( 'timezone_open' ) && 853 function_exists( 'timezone_offset_get' ) 854 ) { 855 $support = true; 856 } 857 return apply_filters( 'timezone_support', $support ); 858 } 859 endif; 860 861 if ( !function_exists('_wp_timezone_choice_usort_callback') ) : 862 function _wp_timezone_choice_usort_callback( $a, $b ) { 863 // Don't use translated versions of Etc 864 if ( 'Etc' === $a['continent'] && 'Etc' === $b['continent'] ) { 865 // Make the order of these more like the old dropdown 866 if ( 'GMT+' === substr( $a['city'], 0, 4 ) && 'GMT+' === substr( $b['city'], 0, 4 ) ) { 867 return -1 * ( strnatcasecmp( $a['city'], $b['city'] ) ); 868 } 869 if ( 'UTC' === $a['city'] ) { 870 if ( 'GMT+' === substr( $b['city'], 0, 4 ) ) { 871 return 1; 872 } 873 return -1; 874 } 875 if ( 'UTC' === $b['city'] ) { 876 if ( 'GMT+' === substr( $a['city'], 0, 4 ) ) { 877 return -1; 878 } 879 return 1; 880 } 881 return strnatcasecmp( $a['city'], $b['city'] ); 882 } 883 if ( $a['t_continent'] == $b['t_continent'] ) { 884 if ( $a['t_city'] == $b['t_city'] ) { 885 return strnatcasecmp( $a['t_subcity'], $b['t_subcity'] ); 886 } 887 return strnatcasecmp( $a['t_city'], $b['t_city'] ); 888 } else { 889 // Force Etc to the bottom of the list 890 if ( 'Etc' === $a['continent'] ) { 891 return 1; 892 } 893 if ( 'Etc' === $b['continent'] ) { 894 return -1; 895 } 896 return strnatcasecmp( $a['t_continent'], $b['t_continent'] ); 897 } 898 } 899 endif; 900 901 if ( !function_exists('wp_timezone_choice') ) : 902 /** 903 * Gives a nicely formatted list of timezone strings // temporary! Not in final 904 * 905 * @param $selected_zone string Selected Zone 906 * 907 */ 908 function wp_timezone_choice( $selected_zone ) { 909 static $mo_loaded = false; 910 911 $continents = array( 'Africa', 'America', 'Antarctica', 'Arctic', 'Asia', 'Atlantic', 'Australia', 'Europe', 'Indian', 'Pacific', 'Etc' ); 912 913 // Load translations for continents and cities 914 if ( !$mo_loaded ) { 915 $locale = backpress_get_option( 'language_locale' ); 916 $mofile = backpress_get_option( 'language_directory' ) . 'continents-cities-' . $locale . '.mo'; 917 load_textdomain( 'continents-cities', $mofile ); 918 $mo_loaded = true; 919 } 920 921 $zonen = array(); 922 foreach ( timezone_identifiers_list() as $zone ) { 923 $zone = explode( '/', $zone ); 924 if ( !in_array( $zone[0], $continents ) ) { 925 continue; 926 } 927 if ( 'Etc' === $zone[0] && in_array( $zone[1], array( 'UCT', 'GMT', 'GMT0', 'GMT+0', 'GMT-0', 'Greenwich', 'Universal', 'Zulu' ) ) ) { 928 continue; 929 } 930 931 // This determines what gets set and translated - we don't translate Etc/* strings here, they are done later 932 $exists = array( 933 0 => ( isset( $zone[0] ) && $zone[0] ) ? true : false, 934 1 => ( isset( $zone[1] ) && $zone[1] ) ? true : false, 935 2 => ( isset( $zone[2] ) && $zone[2] ) ? true : false 936 ); 937 $exists[3] = ( $exists[0] && 'Etc' !== $zone[0] ) ? true : false; 938 $exists[4] = ( $exists[1] && $exists[3] ) ? true : false; 939 $exists[5] = ( $exists[2] && $exists[3] ) ? true : false; 940 941 $zonen[] = array( 942 'continent' => ( $exists[0] ? $zone[0] : '' ), 943 'city' => ( $exists[1] ? $zone[1] : '' ), 944 'subcity' => ( $exists[2] ? $zone[2] : '' ), 945 't_continent' => ( $exists[3] ? translate( str_replace( '_', ' ', $zone[0] ), 'continents-cities' ) : '' ), 946 't_city' => ( $exists[4] ? translate( str_replace( '_', ' ', $zone[1] ), 'continents-cities' ) : '' ), 947 't_subcity' => ( $exists[5] ? translate( str_replace( '_', ' ', $zone[2] ), 'continents-cities' ) : '' ) 948 ); 949 } 950 usort( $zonen, '_wp_timezone_choice_usort_callback' ); 951 952 $structure = array(); 953 954 if ( empty( $selected_zone ) ) { 955 $structure[] = '<option selected="selected" value="">' . __( 'Select a city' ) . '</option>'; 956 } 957 958 foreach ( $zonen as $key => $zone ) { 959 // Build value in an array to join later 960 $value = array( $zone['continent'] ); 961 962 if ( empty( $zone['city'] ) ) { 963 // It's at the continent level (generally won't happen) 964 $display = $zone['t_continent']; 965 } else { 966 // It's inside a continent group 967 968 // Continent optgroup 969 if ( !isset( $zonen[$key - 1] ) || $zonen[$key - 1]['continent'] !== $zone['continent'] ) { 970 $label = ( 'Etc' === $zone['continent'] ) ? __( 'Manual offsets' ) : $zone['t_continent']; 971 $structure[] = '<optgroup label="'. esc_attr( $label ) .'">'; 972 } 973 974 // Add the city to the value 975 $value[] = $zone['city']; 976 if ( 'Etc' === $zone['continent'] ) { 977 if ( 'UTC' === $zone['city'] ) { 978 $display = ''; 979 } else { 980 $display = str_replace( 'GMT', '', $zone['city'] ); 981 $display = strtr( $display, '+-', '-+' ) . ':00'; 982 } 983 $display = sprintf( __( 'UTC %s' ), $display ); 984 } else { 985 $display = $zone['t_city']; 986 if ( !empty( $zone['subcity'] ) ) { 987 // Add the subcity to the value 988 $value[] = $zone['subcity']; 989 $display .= ' - ' . $zone['t_subcity']; 990 } 991 } 992 } 993 994 // Build the value 995 $value = join( '/', $value ); 996 $selected = ''; 997 if ( $value === $selected_zone ) { 998 $selected = 'selected="selected" '; 999 } 1000 $structure[] = '<option ' . $selected . 'value="' . esc_attr( $value ) . '">' . esc_html( $display ) . "</option>"; 1001 1002 // Close continent optgroup 1003 if ( !empty( $zone['city'] ) && ( !isset($zonen[$key + 1]) || (isset( $zonen[$key + 1] ) && $zonen[$key + 1]['continent'] !== $zone['continent']) ) ) { 1004 $structure[] = '</optgroup>'; 1005 } 1006 } 1007 1008 return join( "\n", $structure ); 1009 } 1010 endif; 1011 1012 if ( !function_exists('_cleanup_header_comment') ) : 1013 /** 1014 * Strip close comment and close php tags from file headers used by WP 1015 * See http://core.trac.wordpress.org/ticket/8497 1016 * 1017 * @since 2.8 1018 */ 1019 function _cleanup_header_comment($str) { 1020 return trim(preg_replace("/\s*(?:\*\/|\?>).*/", '', $str)); 1021 } 1022 endif; 1023 1024 /** 1025 * Returns true. 1026 * 1027 * Useful for returning true to filters easily. 1028 * 1029 * @since 3.0.0 1030 * @see __return_false() 1031 * @return bool true 1032 */ 1033 function __return_true() { 1034 return true; 1035 } 1036 1037 /** 1038 * Returns false. 1039 * 1040 * Useful for returning false to filters easily. 1041 * 1042 * @since 3.0.0 1043 * @see __return_true() 1044 * @return bool false 1045 */ 1046 function __return_false() { 1047 return false; 1048 } 1049 1050 /** 1051 * Returns 0. 1052 * 1053 * Useful for returning 0 to filters easily. 1054 * 1055 * @since 3.0.0 1056 * @see __return_zero() 1057 * @return int 0 1058 */ 1059 function __return_zero() { 1060 return 0; 1061 } 1062 1063 /** 1064 * Returns an empty array. 1065 * 1066 * Useful for returning an empty array to filters easily. 1067 * 1068 * @since 3.0.0 1069 * @see __return_zero() 1070 * @return array Empty array 1071 */ 1072 function __return_empty_array() { 1073 return array(); 1074 } 1075 1076 /** 1077 * Returns null. 1078 * 1079 * Useful for returning null to filters easily. 1080 * 1081 * @since 3.4.0 1082 * @return null 1083 */ 1084 function __return_null() { 1085 return null; 1086 } 1087 1088 1089 /** 1090 * From WP wp-settings.php 1091 */ 1092 1093 if ( !function_exists( 'wp_clone' ) ) : 1094 /** 1095 * Copy an object. 1096 * 1097 * Returns a cloned copy of an object. 1098 * 1099 * @since 2.7.0 1100 * 1101 * @param object $object The object to clone 1102 * @return object The cloned object 1103 */ 1104 function wp_clone( $object ) { 1105 static $can_clone; 1106 if ( !isset( $can_clone ) ) { 1107 $can_clone = version_compare( phpversion(), '5.0', '>=' ); 1108 } 1109 return $can_clone ? clone( $object ) : $object; 1110 } 1111 endif; 1112 1113 1114 1115 /** 1116 * BackPress only below 1117 */ 1118 1119 if ( !function_exists('backpress_gmt_strtotime') ) : 1120 function backpress_gmt_strtotime( $string ) { 1121 if ( is_numeric($string) ) 1122 return $string; 1123 if ( !is_string($string) ) 1124 return -1; 1125 1126 if ( stristr($string, 'utc') || stristr($string, 'gmt') || stristr($string, '+0000') ) 1127 return strtotime($string); 1128 1129 if ( -1 == $time = strtotime($string . ' +0000') ) 1130 return strtotime($string); 1131 1132 return $time; 1133 } 1134 endif; 1135 1136 if ( !function_exists('backpress_convert_object') ) : 1137 function backpress_convert_object( &$object, $output ) { 1138 if ( is_array( $object ) ) { 1139 foreach ( array_keys( $object ) as $key ) 1140 backpress_convert_object( $object[$key], $output ); 1141 } else { 1142 switch ( $output ) { 1143 case OBJECT : break; 1144 case ARRAY_A : $object = get_object_vars($object); break; 1145 case ARRAY_N : $object = array_values(get_object_vars($object)); break; 1146 } 1147 } 1148 } 1149 endif; 1150 1151 if ( !function_exists('backpress_die') ) : 1152 /** 1153 * Kill BackPress execution and display HTML message with error message. 1154 * 1155 * This function calls the die() PHP function. The difference is that a message 1156 * in HTML will be displayed to the user. It is recommended to use this function 1157 * only when the execution should not continue any further. It is not 1158 * recommended to call this function very often and normally you should try to 1159 * handle as many errors as possible silently. 1160 * 1161 * @param string $message Error message. 1162 * @param string $title Error title. 1163 * @param string|array $args Optional arguments to control behaviour. 1164 */ 1165 function backpress_die( $message, $title = '', $args = array() ) 1166 { 1167 $defaults = array( 'response' => 500, 'language' => 'en-US', 'text_direction' => 'ltr' ); 1168 $r = wp_parse_args( $args, $defaults ); 1169 1170 if ( function_exists( 'is_wp_error' ) && is_wp_error( $message ) ) { 1171 if ( empty( $title ) ) { 1172 $error_data = $message->get_error_data(); 1173 if ( is_array( $error_data ) && isset( $error_data['title'] ) ) { 1174 $title = $error_data['title']; 1175 } 1176 } 1177 $errors = $message->get_error_messages(); 1178 switch ( count( $errors ) ) { 1179 case 0: 1180 $message = ''; 1181 break; 1182 case 1: 1183 $message = '<p>' . $errors[0] . '</p>'; 1184 break; 1185 default: 1186 $message = "<ul>\n\t\t<li>" . join( "</li>\n\t\t<li>", $errors ) . "</li>\n\t</ul>"; 1187 break; 1188 } 1189 } elseif ( is_string( $message ) ) { 1190 $message = '<p>' . $message . '</p>'; 1191 } 1192 1193 if ( !headers_sent() ) { 1194 status_header( $r['response'] ); 1195 nocache_headers(); 1196 header( 'Content-Type: text/html; charset=utf-8' ); 1197 } 1198 1199 if ( empty( $title ) ) { 1200 if ( function_exists( '__' ) ) { 1201 $title = __( 'BackPress › Error' ); 1202 } else { 1203 $title = 'BackPress › Error'; 1204 } 1205 } 1206 1207 if ( $r['text_direction'] ) { 1208 $language_attributes = ' dir="' . $r['text_direction'] . '"'; 1209 } 1210 1211 if ( $r['language'] ) { 1212 // Always XHTML 1.1 style 1213 $language_attributes .= ' lang="' . $r['language'] . '"'; 1214 } 1215 ?> 1216 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 1217 <html xmlns="http://www.w3.org/1999/xhtml"<?php echo $language_attributes; ?>> 1218 <head> 1219 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 1220 <title><?php echo $title ?></title> 1221 <style type="text/css" media="screen"> 1222 html { background: #f7f7f7; } 1223 1224 body { 1225 background: #fff; 1226 color: #333; 1227 font-family: "Lucida Grande", Verdana, Arial, "Bitstream Vera Sans", sans-serif; 1228 margin: 2em auto 0 auto; 1229 width: 700px; 1230 padding: 1em 2em; 1231 -moz-border-radius: 11px; 1232 -khtml-border-radius: 11px; 1233 -webkit-border-radius: 11px; 1234 border-radius: 11px; 1235 border: 1px solid #dfdfdf; 1236 } 1237 1238 a { color: #2583ad; text-decoration: none; } 1239 1240 a:hover { color: #d54e21; } 1241 1242 h1 { 1243 border-bottom: 1px solid #dadada; 1244 clear: both; 1245 color: #666; 1246 font: 24px Georgia, "Times New Roman", Times, serif; 1247 margin: 5px 0 0 -4px; 1248 padding: 0; 1249 padding-bottom: 7px; 1250 } 1251 1252 h2 { font-size: 16px; } 1253 1254 p, li { 1255 padding-bottom: 2px; 1256 font-size: 12px; 1257 line-height: 18px; 1258 } 1259 1260 code { font-size: 13px; } 1261 1262 ul, ol { padding: 5px 5px 5px 22px; } 1263 1264 #error-page { margin-top: 50px; } 1265 1266 #error-page p { 1267 font-size: 12px; 1268 line-height: 18px; 1269 margin: 25px 0 20px; 1270 } 1271 1272 #error-page code { font-family: Consolas, Monaco, Courier, monospace; } 1273 <?php 1274 if ( $r['text_direction'] === 'rtl') { 1275 ?> 1276 body { 1277 font-family: Tahoma, "Times New Roman"; 1278 } 1279 1280 h1 { 1281 font-family: Tahoma, "Times New Roman"; 1282 margin: 5px -4px 0 0; 1283 } 1284 1285 ul, ol { padding: 5px 22px 5px 5px; } 1286 <?php 1287 } 1288 ?> 1289 </style> 1290 </head> 1291 <body id="error-page"> 1292 <?php echo $message; ?> 1293 </body> 1294 </html> 1295 <?php 1296 die(); 1297 } 1298 endif; 1299 1300 /** 1301 * Acts the same as core PHP setcookie() but its arguments are run through the backpress_set_cookie filter. 1302 * 1303 * If the filter returns false, setcookie() isn't called. 1304 */ 1305 function backpress_set_cookie() { 1306 $args = func_get_args(); 1307 $args = apply_filters( 'backpress_set_cookie', $args ); 1308 if ( $args === false ) return; 1309 call_user_func_array( 'setcookie', $args ); 1310 }
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