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run code in 200+ php & hhvm versions
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<?php $url = '//[::FFFF::127.0.0.1]/'; var_dump( wp_parse_url( $url ), parse_url( $url ) ); $url = 'http://[::FFFF::127.0.0.1]/'; var_dump( wp_parse_url( $url ), parse_url( $url ) ); function wp_parse_url( $url ) { $parts = @parse_url( $url ); if ( ! $parts ) { // < PHP 5.4.7 compat, trouble with relative paths including a scheme break in the path if ( '/' == $url[0] && false !== strpos( $url, '://' ) ) { // Since we know it's a relative path, prefix with a scheme/host placeholder and try again if ( ! $parts = @parse_url( 'placeholder://placeholder' . $url ) ) { return $parts; } // Remove the placeholder values unset( $parts['scheme'], $parts['host'] ); } else { return $parts; } } // < PHP 5.4.7 compat, doesn't detect schemeless URL's host field if ( '//' == substr( $url, 0, 2 ) && ! isset( $parts['host'] ) ) { $path_parts = explode( '/', substr( $parts['path'], 2 ), 2 ); $parts['host'] = $path_parts[0]; if ( isset( $path_parts[1] ) ) { $parts['path'] = '/' . $path_parts[1]; } else { unset( $parts['path'] ); } } return $parts; }
based on 02YHb
Output for 5.4.8 - 7.2.0
array(2) { ["host"]=> string(19) "[::FFFF::127.0.0.1]" ["path"]=> string(1) "/" } array(2) { ["host"]=> string(19) "[::FFFF::127.0.0.1]" ["path"]=> string(1) "/" } array(3) { ["scheme"]=> string(4) "http" ["host"]=> string(19) "[::FFFF::127.0.0.1]" ["path"]=> string(1) "/" } array(3) { ["scheme"]=> string(4) "http" ["host"]=> string(19) "[::FFFF::127.0.0.1]" ["path"]=> string(1) "/" }
Output for 4.4.0 - 4.4.9, 5.0.5 - 5.4.7
array(2) { ["path"]=> string(1) "/" ["host"]=> string(19) "[::FFFF::127.0.0.1]" } array(1) { ["path"]=> string(22) "//[::FFFF::127.0.0.1]/" } array(3) { ["scheme"]=> string(4) "http" ["host"]=> string(19) "[::FFFF::127.0.0.1]" ["path"]=> string(1) "/" } array(3) { ["scheme"]=> string(4) "http" ["host"]=> string(19) "[::FFFF::127.0.0.1]" ["path"]=> string(1) "/" }
Output for 4.3.7 - 4.3.11, 5.0.0 - 5.0.4
array(3) { ["scheme"]=> string(3) "//[" ["path"]=> string(1) "/" ["host"]=> string(15) "FFF::127.0.0.1]" } array(2) { ["scheme"]=> string(3) "//[" ["path"]=> string(18) ":FFFF::127.0.0.1]/" } array(3) { ["scheme"]=> string(4) "http" ["host"]=> string(19) "[::FFFF::127.0.0.1]" ["path"]=> string(1) "/" } array(3) { ["scheme"]=> string(4) "http" ["host"]=> string(19) "[::FFFF::127.0.0.1]" ["path"]=> string(1) "/" }
Output for 4.3.2 - 4.3.6
array(3) { ["scheme"]=> string(3) "//[" ["path"]=> string(1) "/" ["host"]=> string(15) "FFF::127.0.0.1]" } array(2) { ["scheme"]=> string(3) "//[" ["path"]=> string(18) ":FFFF::127.0.0.1]/" } Warning: parse_url(http://[::FFFF::127.0.0.1]/): Unable to parse url in /in/9iDIW on line 9 bool(false) bool(false)
Output for 4.3.0 - 4.3.1
array(3) { ["scheme"]=> string(3) "//[" ["path"]=> string(1) "/" ["host"]=> string(15) "FFF::127.0.0.1]" } array(2) { ["scheme"]=> string(3) "//[" ["path"]=> string(18) ":FFFF::127.0.0.1]/" } Warning: parse_url(http://[::FFFF::127.0.0.1]/) [http://www.php.net/function.parse-url]: Unable to parse url in /in/9iDIW on line 9 bool(false) bool(false)