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<?php $a = [1, 2, 3, 4]; foreach (1 ? $a : [] as &$x) { $x += 10; } print_r($a); $a = [1, 2, 3, 4]; $a = $b; foreach (1 ? $a : [] as &$x) { $x += 10; } print_r($a);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 ) Warning: Undefined variable $b in /in/LIJna on line 10 Warning: foreach() argument must be of type array|object, null given in /in/LIJna on line 11

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