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run code in 300+ PHP versions simultaneously
<?php ###MISSION IS BELOW IN COMMENT #the groupByOwners function should return ["Randy" => ["Input.txt", "Output.txt"], "Stan" => ["Code.py"]]. class FileOwners { public static function groupByOwners($files) { $result = array(); foreach($files as $name => $owner){ $result[$owner][] = $name; } return $result; } } $files = array ( "Input.txt" => "Randy", "Code.py" => "Stan", "Output.txt" => "Randy" ); var_dump(FileOwners::groupByOwners($files));
Output for 7.0.0 - 7.0.25, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 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 - 8.3.4, 8.3.6
array(2) { ["Randy"]=> array(2) { [0]=> string(9) "Input.txt" [1]=> string(10) "Output.txt" } ["Stan"]=> array(1) { [0]=> string(7) "Code.py" } }
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) { ["Randy"]=> array(2) { [0]=> string(9) "Input.txt" [1]=> string(10) "Output.txt" } ["Stan"]=> array(1) { [0]=> string(7) "Code.py" } }

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