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<?php $a = array(1,2,3); $b = &$a; foreach($a as $i => $v) { echo "$v\n"; unset($a[i]); } var_dump($a); var_dump($b);
Output for git.master, git.master_jit, rfc.property-hooks
1 Fatal error: Uncaught Error: Undefined constant "i" in /in/aSWrf:7 Stack trace: #0 {main} thrown in /in/aSWrf on line 7
Process exited with code 255.

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