litespeed
8 years ago
css_min.class.php
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css_min.colors.class.php
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litespeed-php-compatibility.func.php
123 lines
| 1 | <?php |
| 2 | /** |
| 3 | * LiteSpeed PHP compatibility functions for lower PHP version |
| 4 | * |
| 5 | * @since 1.1.3 |
| 6 | * @package LiteSpeed_Cache |
| 7 | * @subpackage LiteSpeed_Cache/lib |
| 8 | * @author LiteSpeed Technologies <info@litespeedtech.com> |
| 9 | */ |
| 10 | |
| 11 | if ( ! defined('WPINC') ) { |
| 12 | die ; |
| 13 | } |
| 14 | |
| 15 | |
| 16 | |
| 17 | /** |
| 18 | * http_build_url() compatibility |
| 19 | * |
| 20 | */ |
| 21 | if ( ! function_exists('http_build_url') ) { |
| 22 | if ( ! defined( 'HTTP_URL_REPLACE' ) ) define('HTTP_URL_REPLACE', 1); // Replace every part of the first URL when there's one of the second URL |
| 23 | if ( ! defined( 'HTTP_URL_JOIN_PATH' ) ) define('HTTP_URL_JOIN_PATH', 2); // Join relative paths |
| 24 | if ( ! defined( 'HTTP_URL_JOIN_QUERY' ) ) define('HTTP_URL_JOIN_QUERY', 4); // Join query strings |
| 25 | if ( ! defined( 'HTTP_URL_STRIP_USER' ) ) define('HTTP_URL_STRIP_USER', 8); // Strip any user authentication information |
| 26 | if ( ! defined( 'HTTP_URL_STRIP_PASS' ) ) define('HTTP_URL_STRIP_PASS', 16); // Strip any password authentication information |
| 27 | if ( ! defined( 'HTTP_URL_STRIP_AUTH' ) ) define('HTTP_URL_STRIP_AUTH', 32); // Strip any authentication information |
| 28 | if ( ! defined( 'HTTP_URL_STRIP_PORT' ) ) define('HTTP_URL_STRIP_PORT', 64); // Strip explicit port numbers |
| 29 | if ( ! defined( 'HTTP_URL_STRIP_PATH' ) ) define('HTTP_URL_STRIP_PATH', 128); // Strip complete path |
| 30 | if ( ! defined( 'HTTP_URL_STRIP_QUERY' ) ) define('HTTP_URL_STRIP_QUERY', 256); // Strip query string |
| 31 | if ( ! defined( 'HTTP_URL_STRIP_FRAGMENT' ) ) define('HTTP_URL_STRIP_FRAGMENT', 512); // Strip any fragments (#identifier) |
| 32 | if ( ! defined( 'HTTP_URL_STRIP_ALL' ) ) define('HTTP_URL_STRIP_ALL', 1024); // Strip anything but scheme and host |
| 33 | |
| 34 | // Build an URL |
| 35 | // The parts of the second URL will be merged into the first according to the flags argument. |
| 36 | // |
| 37 | // @param mixed (Part(s) of) an URL in form of a string or associative array like parse_url() returns |
| 38 | // @param mixed Same as the first argument |
| 39 | // @param int A bitmask of binary or'ed HTTP_URL constants (Optional)HTTP_URL_REPLACE is the default |
| 40 | // @param array If set, it will be filled with the parts of the composed url like parse_url() would return |
| 41 | function http_build_url($url, $parts = array(), $flags = HTTP_URL_REPLACE, &$new_url = false) |
| 42 | { |
| 43 | $keys = array('user','pass','port','path','query','fragment'); |
| 44 | |
| 45 | // HTTP_URL_STRIP_ALL becomes all the HTTP_URL_STRIP_Xs |
| 46 | if ( $flags & HTTP_URL_STRIP_ALL ) { |
| 47 | $flags |= HTTP_URL_STRIP_USER; |
| 48 | $flags |= HTTP_URL_STRIP_PASS; |
| 49 | $flags |= HTTP_URL_STRIP_PORT; |
| 50 | $flags |= HTTP_URL_STRIP_PATH; |
| 51 | $flags |= HTTP_URL_STRIP_QUERY; |
| 52 | $flags |= HTTP_URL_STRIP_FRAGMENT; |
| 53 | } |
| 54 | // HTTP_URL_STRIP_AUTH becomes HTTP_URL_STRIP_USER and HTTP_URL_STRIP_PASS |
| 55 | else if ( $flags & HTTP_URL_STRIP_AUTH ) { |
| 56 | $flags |= HTTP_URL_STRIP_USER; |
| 57 | $flags |= HTTP_URL_STRIP_PASS; |
| 58 | } |
| 59 | |
| 60 | // Parse the original URL |
| 61 | // - Suggestion by Sayed Ahad Abbas |
| 62 | // In case you send a parse_url array as input |
| 63 | $parse_url = !is_array($url) ? parse_url($url) : $url; |
| 64 | |
| 65 | // Scheme and Host are always replaced |
| 66 | if ( isset($parts['scheme']) ) { |
| 67 | $parse_url['scheme'] = $parts['scheme']; |
| 68 | } |
| 69 | if ( isset($parts['host']) ) { |
| 70 | $parse_url['host'] = $parts['host']; |
| 71 | } |
| 72 | |
| 73 | // (If applicable) Replace the original URL with it's new parts |
| 74 | if ( $flags & HTTP_URL_REPLACE ) { |
| 75 | foreach ($keys as $key) { |
| 76 | if ( isset($parts[$key]) ) { |
| 77 | $parse_url[$key] = $parts[$key]; |
| 78 | } |
| 79 | } |
| 80 | } |
| 81 | else { |
| 82 | // Join the original URL path with the new path |
| 83 | if (isset($parts['path']) && ($flags & HTTP_URL_JOIN_PATH)) { |
| 84 | if ( isset($parse_url['path']) ) { |
| 85 | $parse_url['path'] = rtrim(str_replace(basename($parse_url['path']), '', $parse_url['path']), '/') . '/' . ltrim($parts['path'], '/'); |
| 86 | } |
| 87 | else { |
| 88 | $parse_url['path'] = $parts['path']; |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | // Join the original query string with the new query string |
| 93 | if ( isset($parts['query']) && ($flags & HTTP_URL_JOIN_QUERY) ) { |
| 94 | if ( isset($parse_url['query']) ) { |
| 95 | $parse_url['query'] .= '&' . $parts['query']; |
| 96 | } |
| 97 | else { |
| 98 | $parse_url['query'] = $parts['query']; |
| 99 | } |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | // Strips all the applicable sections of the URL |
| 104 | // Note: Scheme and Host are never stripped |
| 105 | foreach ($keys as $key) { |
| 106 | if ( $flags & (int)constant('HTTP_URL_STRIP_' . strtoupper($key)) ) { |
| 107 | unset($parse_url[$key]); |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | $new_url = $parse_url; |
| 112 | |
| 113 | return |
| 114 | (isset($parse_url['scheme']) ? $parse_url['scheme'] . '://' : '') |
| 115 | .(isset($parse_url['user']) ? $parse_url['user'] . (isset($parse_url['pass']) ? ':' . $parse_url['pass'] : '') .'@' : '') |
| 116 | .(isset($parse_url['host']) ? $parse_url['host'] : '') |
| 117 | .(isset($parse_url['port']) ? ':' . $parse_url['port'] : '') |
| 118 | .(isset($parse_url['path']) ? $parse_url['path'] : '') |
| 119 | .(isset($parse_url['query']) ? '?' . $parse_url['query'] : '') |
| 120 | .(isset($parse_url['fragment']) ? '#' . $parse_url['fragment'] : '') |
| 121 | ; |
| 122 | } |
| 123 | } |