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<?php class a { public function someMethod(string $s = NULL) { print $s; } } class b extends a { public function someMethod(string $s) { print 'b' . $s; } } $b = new b; $b->someMethod('string');
Output for 8.4.1 - 8.4.2
Deprecated: a::someMethod(): Implicitly marking parameter $s as nullable is deprecated, the explicit nullable type must be used instead in /in/81TKa on line 4 Fatal error: Declaration of b::someMethod(string $s) must be compatible with a::someMethod(?string $s = null) in /in/81TKa on line 10
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15
Fatal error: Declaration of b::someMethod(string $s) must be compatible with a::someMethod(?string $s = null) in /in/81TKa on line 10
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of b::someMethod(string $s) should be compatible with a::someMethod(?string $s = NULL) in /in/81TKa on line 10 bstring
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33
Warning: Declaration of b::someMethod(string $s) should be compatible with a::someMethod(?string $s = NULL) in /in/81TKa on line 13 bstring
Output for 7.0.0 - 7.0.33
Warning: Declaration of b::someMethod(string $s) should be compatible with a::someMethod(string $s = NULL) in /in/81TKa on line 13 bstring
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Declaration of b::someMethod() should be compatible with a::someMethod(string $s = NULL) in /in/81TKa on line 13 Catchable fatal error: Argument 1 passed to b::someMethod() must be an instance of string, string given, called in /in/81TKa on line 16 and defined in /in/81TKa on line 10
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Strict Standards: Declaration of b::someMethod() should be compatible with that of a::someMethod() in /in/81TKa on line 13 Catchable fatal error: Argument 1 passed to b::someMethod() must be an instance of string, string given, called in /in/81TKa on line 16 and defined in /in/81TKa on line 10
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Strict Standards: Declaration of b::someMethod() should be compatible with that of a::someMethod() in /in/81TKa on line 13 Fatal error: Argument 1 passed to b::someMethod() must be an object of class string, called in /in/81TKa on line 16 and defined in /in/81TKa on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Strict Standards: Declaration of b::someMethod() should be compatible with that of a::someMethod() in /in/81TKa on line 13 Fatal error: Argument 1 must be an object of class string in /in/81TKa on line 10
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/81TKa 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/81TKa 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/81TKa on line 4
Process exited with code 255.

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