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<?php $row = array(1, 2, 3, 4); echo " <h2>question</h2> <p>".chr((64 + 9),(64 + 8))."</p> <h2>answer</h2> <p>".chr(64 + $row[1])."</p>";
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: chr() expects exactly 1 argument, 2 given in /in/uVOu7:6 Stack trace: #0 /in/uVOu7(6): chr(73, 72) #1 {main} thrown in /in/uVOu7 on line 6
Process exited with code 255.

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