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<?php class Foo { } $a = new Foo(); $b = array(); var_dump(isset($a->b->c)); var_dump(isset($a['b']['c']));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 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) Fatal error: Uncaught Error: Cannot use object of type Foo as array in /in/hIlaf:7 Stack trace: #0 {main} thrown in /in/hIlaf on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
bool(false) Fatal error: Cannot use object of type Foo as array in /in/hIlaf on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
bool(false) bool(false)

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