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<?php $a = 1; $b = array(2, 3); $arr = array(&$a, &$b[0], &$b[1]); $arr[0]++; $arr[1]++; echo implode($a); echo implode($b); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: implode(): Argument #1 ($pieces) must be of type array, string given in /in/7ZgFm:6 Stack trace: #0 /in/7ZgFm(6): implode('2') #1 {main} thrown in /in/7ZgFm on line 6
Process exited with code 255.

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