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run code in 200+ php & hhvm versions
Bugs & Features
<?php function wp_parse_url( $url ) { // TODO; Move to wp_parse_url() ? // Prefix with a temporary placeholder scheme for scheme-less URL's to work around PHP Bugs if ( preg_match( '~^//~', $url ) ) { $url = "wp-placeholder:$url"; } if ( preg_match( '~^/[^/]~', $url ) ) { $url = "wp-placeholder://wp-placeholder$url"; } if ( preg_match( '~^[^/]+://.+@[^/]+$~', $url ) ) { $url .= '/'; } $parts = @parse_url( $url ); if ( $parts ) { $parts['url'] = $url; } foreach ( array( 'scheme', 'host' ) as $component ) { if ( isset( $parts[ $component ] ) && 'wp-placeholder' === $parts[ $component ] ) { unset( $parts[ $component ] ); } } return $parts; } var_export(wp_parse_url( '/?url=http://whatever/' ));
based on qeC2F
Output for 4.3.0 - 4.3.11, 4.4.1 - 7.2.0
array ( 'path' => '/', 'query' => 'url=http://whatever/', 'url' => 'wp-placeholder://wp-placeholder/?url=http://whatever/', )
Output for 4.4.0
array ( 'path' => '//wp-placeholder/', 'query' => 'url=http://whatever/', 'url' => 'wp-placeholder://wp-placeholder/?url=http://whatever/', )