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<?php $string="M"; $strig=""; $strg=""; $stg=""; $last=array($strig,$strg,$string,$stg); echo Implode($last,""); switch($last) { case 'k': case 'K': echo "k"; break; case 'm': case 'M': echo "k"; break; default: echo "o"; } ?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /in/uE6PS:7 Stack trace: #0 /in/uE6PS(7): implode(Array, '') #1 {main} thrown in /in/uE6PS on line 7
Process exited with code 255.

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