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<?php class Foo { } class Bar extends Foo { } var_dump(is_a('Foo', 'Foo', true)); var_dump(is_a('Bar', 'Foo', true)); var_dump(is_a('Bar', 'Bar', true));
Output for 5.3.9 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 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(true) bool(true) bool(true)
Output for 5.3.0 - 5.3.8
Warning: is_a() expects exactly 2 parameters, 3 given in /in/JSpHE on line 13 NULL Warning: is_a() expects exactly 2 parameters, 3 given in /in/JSpHE on line 14 NULL Warning: is_a() expects exactly 2 parameters, 3 given in /in/JSpHE on line 15 NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Strict Standards: is_a(): Deprecated. Please use the instanceof operator in /in/JSpHE on line 13 Warning: Wrong parameter count for is_a() in /in/JSpHE on line 13 NULL Strict Standards: is_a(): Deprecated. Please use the instanceof operator in /in/JSpHE on line 14 Warning: Wrong parameter count for is_a() in /in/JSpHE on line 14 NULL Strict Standards: is_a(): Deprecated. Please use the instanceof operator in /in/JSpHE on line 15 Warning: Wrong parameter count for is_a() in /in/JSpHE on line 15 NULL
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Warning: Wrong parameter count for is_a() in /in/JSpHE on line 13 NULL Warning: Wrong parameter count for is_a() in /in/JSpHE on line 14 NULL Warning: Wrong parameter count for is_a() in /in/JSpHE on line 15 NULL
preferences:
196.26 ms | 402 KiB | 311 Q