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<?php $ary = array(1, 2, 3, 4); foreach($ary as &$a) { echo $a; } for(;$a < len($ary);$a++) { echo $a; }
Output for git.master, git.master_jit, rfc.property-hooks
1234 Fatal error: Uncaught Error: Call to undefined function len() in /in/H9Kio:9 Stack trace: #0 {main} thrown in /in/H9Kio on line 9
Process exited with code 255.

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