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<?php $a = 1; $b = array(2, 3); $arr = array(&$a, &$b[0], &$b[1]); $arr[0]++; $arr[1]++; echo $a; echo $b; ?>
Output for git.master_jit, git.master, rfc.property-hooks
2 Warning: Array to string conversion in /in/UhfUL on line 7 Array

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