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run code in 300+ PHP versions simultaneously
<?php $directories = [ "Gallery", "Images", "Images/Proof", "Images/Proof/Another", ]; Rsort($directories); $new=[]; Foreach($directories as $val){ If(!preg_grep("~" . $val. ".*~",$new)){ $new[] = $val; } } Var_dump($new);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 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 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
array(2) { [0]=> string(20) "Images/Proof/Another" [1]=> string(7) "Gallery" }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(2) { [0]=> string(20) "Images/Proof/Another" [1]=> string(7) "Gallery" }

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139.49 ms | 402 KiB | 293 Q