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<?php $t = ['1234' => [5, 'wda', 'sd'], '321' => ['5sd', 'awdaw', '1sd3']]; $t2 = ['123123' => [15, '1wda', 's32d'], '321' => ['12', 'ds']]; $t2 += $t1; var_dump($t);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $t1 in /in/IDTrM on line 6 Fatal error: Uncaught TypeError: Unsupported operand types: array + null in /in/IDTrM:6 Stack trace: #0 {main} thrown in /in/IDTrM on line 6
Process exited with code 255.

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