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run code in 300+ PHP versions simultaneously
<?php $test = '~/test/../test2/test3/../file.php'; // Fake home setting. putenv( 'HOME=/Users/alain' ); function get_home_directory() { // Unix. $home = getenv( 'HOME' ); if ( ! empty( $home ) ) { return rtrim( $home, '/' ); } // Windows. if ( ! empty( $_SERVER['HOMEDRIVE'] ) && ! empty( $_SERVER['HOMEPATH'] ) ) { $home = $_SERVER['HOMEDRIVE'] . $_SERVER['HOMEPATH']; return rtrim( $home, '\\/' ); } return '~'; } function get_normalized_path($path) { return array_reduce(explode('/', $path), function( $a = '/', $b ) { switch ( $b ) { case '': case '.': return $a; case '..': return dirname( $a ); case '~': return get_home_directory(); default: return preg_replace("/\/+/", "/", "$a/$b"); } } ); } echo $test . PHP_EOL; echo get_normalized_path( $test ) . PHP_EOL;
Output for 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Deprecated: Optional parameter $a declared before required parameter $b is implicitly treated as a required parameter in /in/9Ga8c on line 23 ~/test/../test2/test3/../file.php /Users/alain/test2/file.php
Output for 8.0.0 - 8.0.30
Deprecated: Required parameter $b follows optional parameter $a in /in/9Ga8c on line 23 ~/test/../test2/test3/../file.php /Users/alain/test2/file.php
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
~/test/../test2/test3/../file.php /Users/alain/test2/file.php
preferences:
88.33 ms | 409 KiB | 5 Q