mirror of
https://github.com/wallabag/wallabag.git
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94 lines
3.9 KiB
PHP
94 lines
3.9 KiB
PHP
<?php
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if(!is_callable("http_build_url")){
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define('HTTP_URL_REPLACE', 1); // Replace every part of the first URL when there's one of the second URL
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define('HTTP_URL_JOIN_PATH', 2); // Join relative paths
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define('HTTP_URL_JOIN_QUERY', 4); // Join query strings
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define('HTTP_URL_STRIP_USER', 8); // Strip any user authentication information
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define('HTTP_URL_STRIP_PASS', 16); // Strip any password authentication information
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define('HTTP_URL_STRIP_AUTH', 32); // Strip any authentication information
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define('HTTP_URL_STRIP_PORT', 64); // Strip explicit port numbers
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define('HTTP_URL_STRIP_PATH', 128); // Strip complete path
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define('HTTP_URL_STRIP_QUERY', 256); // Strip query string
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define('HTTP_URL_STRIP_FRAGMENT', 512); // Strip any fragments (#identifier)
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define('HTTP_URL_STRIP_ALL', 1024); // Strip anything but scheme and host
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// Build an URL
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// The parts of the second URL will be merged into the first according to the flags argument.
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//
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// @param mixed (Part(s) of) an URL in form of a string or associative array like parse_url() returns
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// @param mixed Same as the first argument
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// @param int A bitmask of binary or'ed HTTP_URL constants (Optional)HTTP_URL_REPLACE is the default
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// @param array If set, it will be filled with the parts of the composed url like parse_url() would return
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function http_build_url($url, $parts = array (), $flags = HTTP_URL_REPLACE, &$new_url = false) {
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$keys = array (
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'user',
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'pass',
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'port',
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'path',
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'query',
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'fragment'
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);
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// HTTP_URL_STRIP_ALL becomes all the HTTP_URL_STRIP_Xs
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if ($flags & HTTP_URL_STRIP_ALL) {
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$flags |= HTTP_URL_STRIP_USER;
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$flags |= HTTP_URL_STRIP_PASS;
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$flags |= HTTP_URL_STRIP_PORT;
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$flags |= HTTP_URL_STRIP_PATH;
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$flags |= HTTP_URL_STRIP_QUERY;
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$flags |= HTTP_URL_STRIP_FRAGMENT;
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}
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// HTTP_URL_STRIP_AUTH becomes HTTP_URL_STRIP_USER and HTTP_URL_STRIP_PASS
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else if ($flags & HTTP_URL_STRIP_AUTH) {
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$flags |= HTTP_URL_STRIP_USER;
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$flags |= HTTP_URL_STRIP_PASS;
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}
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// Parse the original URL
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$parse_url = parse_url($url);
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// Scheme and Host are always replaced
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if (isset($parts['scheme']))
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$parse_url['scheme'] = $parts['scheme'];
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if (isset($parts['host']))
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$parse_url['host'] = $parts['host'];
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// (If applicable) Replace the original URL with it's new parts
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if ($flags & HTTP_URL_REPLACE) {
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foreach ($keys as $key) {
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if (isset($parts[$key]))
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$parse_url[$key] = $parts[$key];
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}
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} else {
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// Join the original URL path with the new path
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if (isset($parts['path']) && ($flags & HTTP_URL_JOIN_PATH)) {
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if (isset($parse_url['path']))
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$parse_url['path'] = rtrim(str_replace(basename($parse_url['path']), '', $parse_url['path']), '/') . '/' . ltrim($parts['path'], '/');
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else
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$parse_url['path'] = $parts['path'];
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}
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// Join the original query string with the new query string
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if (isset($parts['query']) && ($flags & HTTP_URL_JOIN_QUERY)) {
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if (isset($parse_url['query']))
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$parse_url['query'] .= '&' . $parts['query'];
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else
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$parse_url['query'] = $parts['query'];
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}
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}
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// Strips all the applicable sections of the URL
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// Note: Scheme and Host are never stripped
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foreach ($keys as $key) {
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if ($flags & (int)constant('HTTP_URL_STRIP_' . strtoupper($key)))
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unset($parse_url[$key]);
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}
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$new_url = $parse_url;
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return ((isset($parse_url['scheme'])) ? $parse_url['scheme'] . '://' : '') . ((isset($parse_url['user'])) ? $parse_url['user'] . ((isset($parse_url['pass'])) ? ':' . $parse_url['pass'] : '') . '@' : '')
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. ((isset($parse_url['host'])) ? $parse_url['host'] : '') . ((isset($parse_url['port'])) ? ':' . $parse_url['port'] : '') . ((isset($parse_url['path'])) ? $parse_url['path'] : '')
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. ((isset($parse_url['query'])) ? '?' . $parse_url['query'] : '') . ((isset($parse_url['fragment'])) ? '#' . $parse_url['fragment'] : '');
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}
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}
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