3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = 'Happy^ hour^ / is fun //'; function filenameEncode($possible_filename){ $fngood = str_replace(array('^',';','/',':'), array('^^',';;','^',';'), $possible_filename); return $fngood; } function filenameDecode($possible_filename){ //all single carets need to be replaced with slashes $possible_filename = preg_replace('/([^\^])(\^)([^\^])/im', '$1/$3', $possible_filename); //all semi-colons need to be replaced with colons $possible_filename = preg_replace('/([^;])(;)([^;])/im', '$1:$3', $possible_filename); $fngood = str_replace(array('^',';'), array('/',':'), $possible_filename); return $possible_filename; } echo 's: '.$s."\n"; $t = filenameEncode($s); $u = filenameDecode($t); echo 't: '.$t."\n"; echo 'u: '.$u."\n"; if ($s === $u){ echo 'test passed'; }else{ echo 'test failed'; }
Output for 4.3.0 - 4.3.11, 4.4.0 - 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, 5.6.7 - 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
s: Happy^ hour^ / is fun // t: Happy^^ hour^^ ^ is fun ^^ u: Happy^^ hour^^ / is fun ^^ test failed

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