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<?php class Test { var $test = true; function isTest($test_flag = null){ if(func_num_args()){ $this->test = !!$test_flag; return $this; } return $this->test; } } $t = new Test; var_dump($t->isTest()); var_dump($t->isTest(false)); var_dump($t->isTest()); var_dump($t->isTest(true)); var_dump($t->isTest()); var_dump($t->isTest(null)); var_dump($t->isTest());
Output for 5.1.3 - 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, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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) object(Test)#1 (1) { ["test"]=> bool(false) } bool(false) object(Test)#1 (1) { ["test"]=> bool(true) } bool(true) object(Test)#1 (1) { ["test"]=> bool(false) } bool(false)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/6LOTd on line 3 bool(true) object(Test)#1 (1) { ["test"]=> bool(false) } bool(false) object(Test)#1 (1) { ["test"]=> bool(true) } bool(true) object(Test)#1 (1) { ["test"]=> bool(false) } bool(false)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
bool(true) object(test)(1) { ["test"]=> bool(false) } bool(false) object(test)(1) { ["test"]=> bool(true) } bool(true) object(test)(1) { ["test"]=> bool(false) } bool(false)

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