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run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); class Base { protected function doSomething() { echo 'here we go' . PHP_EOL; $something = 'aaaaaa'; return $something; } } class Vendor extends Base { protected function doSomething() { // do something.. // call parent (Base::doSomething()) $something = parent::doSomething(); $something .= "bbbbbbbbbbb"; return $something; // do something more } } class Local extends Vendor { protected function doSomething() { // do something.. // call parent (Base::doSomething()) $something = parent::doSomething(); $something .= "cccccccccccc"; return $something; // do something more // do something venture-specific // intention: call grand-parent (Base::doSomething()) parent::doSomething(); // this will call Vendor::doSomething() :( // this would work, without raising a strict error (see https://bugs.php.net/bug.php?id=42016 - not a bug!) Base::doSomething(); // a little more generic, but you need to know about inheritance level: $grandparent = get_parent_class(get_parent_class($this)); $grandparent::doSomething(); // do something more } public function api() { $something = $this->doSomething(); echo $something; } } $local = new Local; $local->api();
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
here we go aaaaaabbbbbbbbbbbcccccccccccc
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/Uf5Re on line 78
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/Uf5Re on line 78
Process exited with code 255.
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/Uf5Re on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Uf5Re on line 8
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/Uf5Re on line 8
Process exited with code 255.