<?php $e=($j="\0"=='\0')?[a=>console.log(a.join(''))][0]:function($a){echo(join('',$a));};$L=['PHP','Javascript'];$e(["This program wasn't written in ",$L[+$j],', it was built for ',$L[+!$j],'!']);
Standard input is empty
This program wasn't written in PHP, it was built for Javascript!
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