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<?php $array = [0, 1, 2]; while (each($array)) { var_dump(key($array)); } reset($array); echo "----\n"; foreach ($array as $elem) { var_dump(key($array)); } reset($array); echo "----\n"; $array2 = &$array; foreach ($array2 as $elem) { var_dump(key($array)); }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function each() in /in/36Ni5:3 Stack trace: #0 {main} thrown in /in/36Ni5 on line 3
Process exited with code 255.

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