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<?php $id = '3'; $arr = []; $arr[$id] = 'Пиздос'; var_dump(array_key_exists($id, $arr)); var_dump($arr[$id]]);
Output for 5.4.0 - 5.4.39
Parse error: syntax error, unexpected ']' in /in/Rl0gN on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Rl0gN on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/Rl0gN on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Rl0gN on line 3
Process exited with code 255.
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218.3 ms | 1395 KiB | 129 Q