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<?php $your_crazy_input = chr(0)."flag"; if(isset($your_crazy_input)) { $position = strpos($your_crazy_input, "flag"); $length = strlen($your_crazy_input); echo $position; echo "\n"; echo $length; echo "\n"; $flag = 'hi'; echo serialize(['qweq','that']); if($position !== false && $length < 4) { echo $flag; } else { echo "Oh Sorry.. This isn't a crazy input."; } }
Output for git.master, git.master_jit, rfc.property-hooks
1 5 a:2:{i:0;s:4:"qweq";i:1;s:4:"that";}Oh Sorry.. This isn't a crazy input.

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