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<?php $a = []; $b = [['a'=>'foo'],['a'=>'bar']]; array_push($c, $b); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_push(): Argument #1 ($array) must be of type array, null given in /in/t91Mm:5 Stack trace: #0 /in/t91Mm(5): array_push(NULL, Array) #1 {main} thrown in /in/t91Mm on line 5
Process exited with code 255.

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