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<?php function coalesce() { foreach (func_get_args() as $arg) { if (null != $arg) { return $arg; } } return null; } var_dump(coalesce($foo['bar']['bar'], 1, null));
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: foo in /in/Lca6a on line 12 int(1)
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: foo in /in/Lca6a on line 12 int(1)