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run code in 200+ php & hhvm versions
Bugs & Features
<?php /** * This base class defines two methods of interest, one private, one protected. * * It also includes 3 ways to invoke these methods from outside. */ class Base { /** * A private base method */ private function priv() { echo __CLASS__ . " Private\n"; } /** * A protected base method */ protected function prot() { echo __CLASS__ . " Protected\n"; } /** * Expose the private method */ public function callPriv() { $this->priv(); } /** * Expose the protected method */ public function callProt() { $this->prot(); } /** * Expose either method via call_user_func(). */ public function call($method) { call_user_func([$this, $method]); } /** * Expose either method using Reflection. */ public function reflect($method) { $rm = new ReflectionMethod($this, $method); if (!$rm->isPublic()) { $rm->setAccessible(true); } $rm->invoke($this); } } /** * Class Child redefines the methods of interest. Will overrides apply ? */ class Child extends Base { /** * A child private method. Does it override the base method ? */ private function priv() { echo __CLASS__ . " Private\n"; } /** * A child protected method. Does it override the base method ? */ protected function prot() { echo __CLASS__ . " Protected\n"; } } $f = new Child(); $f->callPriv(); $f->call('priv'); $f->reflect('priv'); echo "\n"; $f->callProt(); $f->call('prot'); $f->reflect('prot');
Output for 5.4.0 - 5.6.30, 7.0.0 - 7.2.0
Base Private Child Private Child Private Child Protected Child Protected Child Protected
Output for hhvm-3.10.1 - 3.22.0
Base Private Base Private Child Private Child Protected Child Protected Child Protected
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/Aoflo on line 41
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/Aoflo on line 41
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/Aoflo on line 12
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/Aoflo on line 12
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/Aoflo on line 12
Process exited with code 255.