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<?php class A { private $private = 0; public function addPrivate() { $this->private++; } public function getPrivate() { return $this->private; } } class B extends A { public $private = 10; public function addBPrivate($private) { $this->private++; } public function getPrivate() { return $this->private; } } $a = new A(); $a->addPrivate(); var_dump($a->getPrivate()); $b = new B(); $b->addPrivate(); var_dump($b->getPrivate()); $b->addBPrivate(); var_dump($b->getPrivate());
Output for 7.1.0 - 7.1.25, 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
int(1) int(10) Fatal error: Uncaught ArgumentCountError: Too few arguments to function B::addBPrivate(), 0 passed in /in/f7KtG on line 40 and exactly 1 expected in /in/f7KtG:22 Stack trace: #0 /in/f7KtG(40): B->addBPrivate() #1 {main} thrown in /in/f7KtG on line 22
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33
int(1) int(10) Warning: Missing argument 1 for B::addBPrivate(), called in /in/f7KtG on line 40 and defined in /in/f7KtG on line 22 int(11)
Output for 5.0.0 - 5.0.5
int(1) int(10) Warning: Missing argument 1 for B::addBPrivate() in /in/f7KtG on line 22 int(11)
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/f7KtG on line 5
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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/f7KtG on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/f7KtG on line 5
Process exited with code 255.

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