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<?php $word = "die('Lalala'); 1||1/e\0"; // Slightly contrived example, but let's pretend we're // case-normalizing a user-provided word, and forgot to // preg_quote $text = preg_replace('/'.$word.'/i', $word, $text);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $text in /in/JlE7P on line 8 Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/JlE7P on line 8 Warning: preg_replace(): NUL is not a valid modifier in /in/JlE7P on line 8

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