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<?php var_dump(method_exists(new StdClass, '__toString')); var_dump(method_exists("waa", '__toString')); var_dump(method_exists(array(), '__toString')); var_dump(method_exists(1.337, '__toString')); class A { public function __call($a, $args) { echo $a; } } $a = new A; echo $a;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(false) bool(false) Fatal error: Uncaught TypeError: method_exists(): Argument #1 ($object_or_class) must be of type object|string, array given in /in/Fv7e3:5 Stack trace: #0 /in/Fv7e3(5): method_exists(Array, '__toString') #1 {main} thrown in /in/Fv7e3 on line 5
Process exited with code 255.
Output for 7.4.0 - 7.4.33
bool(false) bool(false) bool(false) bool(false) Fatal error: Uncaught Error: Object of class A could not be converted to string in /in/Fv7e3:16 Stack trace: #0 {main} thrown in /in/Fv7e3 on line 16
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
bool(false) bool(false) bool(false) bool(false) Recoverable fatal error: Object of class A could not be converted to string in /in/Fv7e3 on line 16
Process exited with code 255.
Output for 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 - 5.6.28, 7.0.0 - 7.0.20
bool(false) bool(false) bool(false) bool(false) Catchable fatal error: Object of class A could not be converted to string in /in/Fv7e3 on line 16
Process exited with code 255.
Output for 5.0.5, 5.1.0 - 5.1.6
bool(false) bool(false) bool(false) bool(false) Object id #1
Output for 5.0.0 - 5.0.4
bool(false) bool(false) bool(false) bool(false) __tostring Fatal error: Method A::__toString() must return a string value in /in/Fv7e3 on line 16
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/Fv7e3 on line 9
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/Fv7e3 on line 9
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/Fv7e3 on line 9
Process exited with code 255.

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