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<?php class A { public function getB() { return new B(); } } class B { public function foo($value) { return sprintf('Hello %s!', $value); } } $arrCallBack = array ( 'getB', 'foo' => array('Fridolin'), ); $mixValue = new A(); foreach ($arrCallBack as $strMethod => $arrParameterList) { if (is_array($arrParameterList) && count($arrParameterList)) { $mixValue = call_user_func_array(array($mixValue, $strMethod), $arrParameterList); } else { $mixValue = $mixValue->{$arrParameterList}(); } } var_dump($mixValue);
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, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(15) "Hello Fridolin!"
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/YJeV0 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/YJeV0 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/YJeV0 on line 4
Process exited with code 255.

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