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<?php // Undefined index ['does_not_exist' => $a, 'b' => $b] = ['a' => 1, 'b' => 2]; var_dump($a, $b); // Skipping values [,,$c] = [1, 2, 3]; var_dump($c);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "does_not_exist" in /in/ZM3p9 on line 4 NULL int(2) int(3)

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