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<?php class A { public function callme(callable $callback) { $callback(); } public function hi() { echo 'A->hi()' . PHP_EOL; } public static function hiStatic() { echo 'A::hiStatic()' . PHP_EOL; } } class B extends A { public function callme(callable $callback) { call_user_func($callback); } public function hi() { echo 'B->hi()' . PHP_EOL; } public static function hiStatic() { echo 'B::hiStatic()' . PHP_EOL; } } $a = new A(); $b = new B(); $a->callme(array($a, 'hi')); echo "####################\n"; $a->callme(array('A', 'hiStatic')); //$a->callme('A::hiStatic'); $a->callme(array('self', 'hiStatic')); //$a->callme('self::hiStatic'); $a->callme(array('static', 'hiStatic')); $a->callme('static::hiStatic'); echo "####################\n"; $b->callme(array('B', 'hiStatic')); $b->callme(array('self', 'hiStatic')); $b->callme(array('static', 'hiStatic')); echo "####################\n"; $b->callme('B::hiStatic'); $b->callme('self::hiStatic'); $b->callme('static::hiStatic'); echo "####################\n"; $b->callme('parent::hi'); $b->callme('parent::hiStatic');
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
A->hi() #################### A::hiStatic() Deprecated: Use of "self" in callables is deprecated in /in/iq7m7 on line 4 Fatal error: Uncaught Error: Class "self" not found in /in/iq7m7:5 Stack trace: #0 /in/iq7m7(29): A->callme(Array) #1 {main} thrown in /in/iq7m7 on line 5
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
A->hi() #################### A::hiStatic() Fatal error: Uncaught Error: Class "self" not found in /in/iq7m7:5 Stack trace: #0 /in/iq7m7(29): A->callme(Array) #1 {main} thrown in /in/iq7m7 on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
A->hi() #################### A::hiStatic() Fatal error: Uncaught Error: Class 'self' not found in /in/iq7m7:5 Stack trace: #0 /in/iq7m7(29): A->callme(Array) #1 {main} thrown in /in/iq7m7 on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
A->hi() #################### A::hiStatic() Fatal error: Class 'self' not found in /in/iq7m7 on line 5
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Catchable fatal error: Argument 1 passed to A::callme() must be an instance of callable, array given, called in /in/iq7m7 on line 24 and defined in /in/iq7m7 on line 4
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Argument 1 passed to A::callme() must be an object of class callable, called in /in/iq7m7 on line 24 and defined in /in/iq7m7 on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Argument 1 must be an object of class callable in /in/iq7m7 on line 4
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/iq7m7 on line 4
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/iq7m7 on line 4
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/iq7m7 on line 4
Process exited with code 255.
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