http_build_url.php
151 lines
| 1 | <?php |
| 2 | |
| 3 | if (!defined('HTTP_URL_REPLACE')) { |
| 4 | define('HTTP_URL_REPLACE', 1); |
| 5 | } |
| 6 | if (!defined('HTTP_URL_JOIN_PATH')) { |
| 7 | define('HTTP_URL_JOIN_PATH', 2); |
| 8 | } |
| 9 | if (!defined('HTTP_URL_JOIN_QUERY')) { |
| 10 | define('HTTP_URL_JOIN_QUERY', 4); |
| 11 | } |
| 12 | if (!defined('HTTP_URL_STRIP_USER')) { |
| 13 | define('HTTP_URL_STRIP_USER', 8); |
| 14 | } |
| 15 | if (!defined('HTTP_URL_STRIP_PASS')) { |
| 16 | define('HTTP_URL_STRIP_PASS', 16); |
| 17 | } |
| 18 | if (!defined('HTTP_URL_STRIP_AUTH')) { |
| 19 | define('HTTP_URL_STRIP_AUTH', 32); |
| 20 | } |
| 21 | if (!defined('HTTP_URL_STRIP_PORT')) { |
| 22 | define('HTTP_URL_STRIP_PORT', 64); |
| 23 | } |
| 24 | if (!defined('HTTP_URL_STRIP_PATH')) { |
| 25 | define('HTTP_URL_STRIP_PATH', 128); |
| 26 | } |
| 27 | if (!defined('HTTP_URL_STRIP_QUERY')) { |
| 28 | define('HTTP_URL_STRIP_QUERY', 256); |
| 29 | } |
| 30 | if (!defined('HTTP_URL_STRIP_FRAGMENT')) { |
| 31 | define('HTTP_URL_STRIP_FRAGMENT', 512); |
| 32 | } |
| 33 | if (!defined('HTTP_URL_STRIP_ALL')) { |
| 34 | define('HTTP_URL_STRIP_ALL', 1024); |
| 35 | } |
| 36 | |
| 37 | if (!function_exists('http_build_url')) { |
| 38 | |
| 39 | function http_build_url($url, $parts = array(), $flags = HTTP_URL_REPLACE, &$new_url = array()) |
| 40 | { |
| 41 | is_array($url) || $url = parse_url($url); |
| 42 | is_array($parts) || $parts = parse_url($parts); |
| 43 | |
| 44 | isset($url['query']) && is_string($url['query']) || $url['query'] = null; |
| 45 | isset($parts['query']) && is_string($parts['query']) || $parts['query'] = null; |
| 46 | |
| 47 | $keys = array('user', 'pass', 'port', 'path', 'query', 'fragment'); |
| 48 | |
| 49 | if ($flags & HTTP_URL_STRIP_ALL) { |
| 50 | $flags |= HTTP_URL_STRIP_USER | HTTP_URL_STRIP_PASS |
| 51 | | HTTP_URL_STRIP_PORT | HTTP_URL_STRIP_PATH |
| 52 | | HTTP_URL_STRIP_QUERY | HTTP_URL_STRIP_FRAGMENT; |
| 53 | } elseif ($flags & HTTP_URL_STRIP_AUTH) { |
| 54 | $flags |= HTTP_URL_STRIP_USER | HTTP_URL_STRIP_PASS; |
| 55 | } |
| 56 | |
| 57 | foreach (array('scheme', 'host') as $part) { |
| 58 | if (isset($parts[$part])) { |
| 59 | $url[$part] = $parts[$part]; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | if ($flags & HTTP_URL_REPLACE) { |
| 64 | foreach ($keys as $key) { |
| 65 | if (isset($parts[$key])) { |
| 66 | $url[$key] = $parts[$key]; |
| 67 | } |
| 68 | } |
| 69 | } else { |
| 70 | if (isset($parts['path']) && ($flags & HTTP_URL_JOIN_PATH)) { |
| 71 | if (isset($url['path']) && substr($parts['path'], 0, 1) !== '/') { |
| 72 | $url['path'] .= 'a'; |
| 73 | $url['path'] = rtrim( |
| 74 | str_replace(basename($url['path']), '', $url['path']), |
| 75 | '/' |
| 76 | ) . '/' . ltrim($parts['path'], '/'); |
| 77 | } else { |
| 78 | $url['path'] = $parts['path']; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | if (isset($parts['query']) && ($flags & HTTP_URL_JOIN_QUERY)) { |
| 83 | if (isset($url['query'])) { |
| 84 | parse_str($url['query'], $url_query); |
| 85 | parse_str($parts['query'], $parts_query); |
| 86 | |
| 87 | $url['query'] = http_build_query( |
| 88 | array_replace_recursive( |
| 89 | $url_query, |
| 90 | $parts_query |
| 91 | ) |
| 92 | ); |
| 93 | } else { |
| 94 | $url['query'] = $parts['query']; |
| 95 | } |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | if (isset($url['path']) && $url['path'] !== '' && substr($url['path'], 0, 1) !== '/') { |
| 100 | $url['path'] = '/' . $url['path']; |
| 101 | } |
| 102 | |
| 103 | foreach ($keys as $key) { |
| 104 | $strip = 'HTTP_URL_STRIP_' . strtoupper($key); |
| 105 | if ($flags & constant($strip)) { |
| 106 | unset($url[$key]); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | $parsed_string = ''; |
| 111 | |
| 112 | if (!empty($url['scheme'])) { |
| 113 | $parsed_string .= $url['scheme'] . '://'; |
| 114 | } |
| 115 | |
| 116 | if (!empty($url['user'])) { |
| 117 | $parsed_string .= $url['user']; |
| 118 | |
| 119 | if (isset($url['pass'])) { |
| 120 | $parsed_string .= ':' . $url['pass']; |
| 121 | } |
| 122 | |
| 123 | $parsed_string .= '@'; |
| 124 | } |
| 125 | |
| 126 | if (!empty($url['host'])) { |
| 127 | $parsed_string .= $url['host']; |
| 128 | } |
| 129 | |
| 130 | if (!empty($url['port'])) { |
| 131 | $parsed_string .= ':' . $url['port']; |
| 132 | } |
| 133 | |
| 134 | if (!empty($url['path'])) { |
| 135 | $parsed_string .= $url['path']; |
| 136 | } |
| 137 | |
| 138 | if (!empty($url['query'])) { |
| 139 | $parsed_string .= '?' . $url['query']; |
| 140 | } |
| 141 | |
| 142 | if (!empty($url['fragment'])) { |
| 143 | $parsed_string .= '#' . $url['fragment']; |
| 144 | } |
| 145 | |
| 146 | $new_url = $url; |
| 147 | |
| 148 | return $parsed_string; |
| 149 | } |
| 150 | } |
| 151 |