3v4l.org

run code in 300+ PHP versions simultaneously
<?php $command = ['one'=>1,"two"=>2,"three"=>3]; $keys = array_keys($command); var_dump(array_pop(array_keys($command))); echo "\n\n\n\n"; var_dump(array_pop($keys));

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35.42 ms | 406 KiB | 5 Q