3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class AbstractClass { public function notAbstract() {} public abstract function isAbstract(); } class ExtendsAbstractClass extends AbstractClass { public function notAbstract($arg = null) {} public function isAbstract($arg = null) {} } class ExtendsExtendedClass extends ExtendsAbstractClass { public function notAbstract() {} public function isAbstract() {} }
Output for 7.4.0 - 7.4.1
Warning: Declaration of ExtendsExtendedClass::notAbstract() should be compatible with ExtendsAbstractClass::notAbstract($arg = NULL) in /in/gkAm1 on line 14 Fatal error: Declaration of ExtendsExtendedClass::isAbstract() must be compatible with ExtendsAbstractClass::isAbstract($arg = NULL) in /in/gkAm1 on line 15
Process exited with code 255.
Output for 7.2.0 - 7.2.26, 7.3.0 - 7.3.13
Warning: Declaration of ExtendsExtendedClass::notAbstract() should be compatible with ExtendsAbstractClass::notAbstract($arg = NULL) in /in/gkAm1 on line 16 Fatal error: Declaration of ExtendsExtendedClass::isAbstract() must be compatible with ExtendsAbstractClass::isAbstract($arg = NULL) in /in/gkAm1 on line 16
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Warning: Declaration of ExtendsExtendedClass::notAbstract() should be compatible with ExtendsAbstractClass::notAbstract($arg = NULL) in /in/gkAm1 on line 16
Output for 5.4.17 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Declaration of ExtendsExtendedClass::notAbstract() should be compatible with ExtendsAbstractClass::notAbstract($arg = NULL) in /in/gkAm1 on line 16
Output for 5.4.0 - 5.4.16
Strict Standards: Declaration of ExtendsExtendedClass::notAbstract() should be compatible with AbstractClass::notAbstract() in /in/gkAm1 on line 16
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Strict Standards: Declaration of ExtendsExtendedClass::notAbstract() should be compatible with that of ExtendsAbstractClass::notAbstract() in /in/gkAm1 on line 16
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/gkAm1 on line 3
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_CLASS in /in/gkAm1 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/gkAm1 on line 3
Process exited with code 255.
preferences:
187.51 ms | 1011 KiB | 7 Q