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<?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/' ));
Output for 4.3.0 - 4.3.11, 4.4.1 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
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/', )

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