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<?php $foo = array(); var_dump(isset($foo['a'])); var_dump(isset($foo['a']['b'])); var_dump(isset($foo['a']->bar['b'])); var_dump(isset($bar['a'])); var_dump(isset($bar['a']['b']));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(false) bool(false) bool(false) bool(false) bool(false)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.5
bool(false) bool(false) Notice: Trying to get property of non-object in /in/pokbl on line 7 bool(false) bool(false) bool(false)
preferences:
224.21 ms | 402 KiB | 343 Q