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run code in 200+ php & hhvm versions
Bugs & Features
<?php class Foo { private $_foo = 'foo'; public function isMatch() { return $this->_foo == self::_foo; } } class Bar extends Foo { private $_foo = 'bar'; } $a = new Bar(); var_dump($a->isMatch());
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Undefined class constant '_foo' in /in/dgTL4:7 Stack trace: #0 /in/dgTL4(16): Foo->isMatch() #1 {main} thrown in /in/dgTL4 on line 7
Process exited with code 255.
Output for 5.3.17 - 5.6.28
Fatal error: Undefined class constant '_foo' in /in/dgTL4 on line 7
Process exited with code 255.