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run code in 300+ PHP versions simultaneously
<?php for($i = 0; $i <= 17; $i++) { // here $str .= $i . ','; } $str = substr($str, 0, -1); echo $str;
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $str in /in/2WPRF on line 5 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17

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