3v4l.org

run code in 300+ PHP versions simultaneously
<?php class C { public function foo() { echo "C::foo\n"; D::foo(); } } class D extends C { private $s = "some string"; public function foo() { echo "D::foo\n"; print($this->s."\n"); } } $obj = new C(); $obj->foo();
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
C::foo Fatal error: Uncaught Error: Non-static method D::foo() cannot be called statically in /in/JlKRI:5 Stack trace: #0 /in/JlKRI(16): C->foo() #1 {main} thrown in /in/JlKRI on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
C::foo Deprecated: Non-static method D::foo() should not be called statically in /in/JlKRI on line 5 D::foo Fatal error: Uncaught Error: Using $this when not in object context in /in/JlKRI:12 Stack trace: #0 /in/JlKRI(5): D::foo() #1 /in/JlKRI(16): C->foo() #2 {main} thrown in /in/JlKRI on line 12
Process exited with code 255.
Output for 7.3.32 - 7.3.33
C::foo D::foo Fatal error: Uncaught Error: Using $this when not in object context in /in/JlKRI:12 Stack trace: #0 /in/JlKRI(5): D::foo() #1 /in/JlKRI(16): C->foo() #2 {main} thrown in /in/JlKRI on line 12
Process exited with code 255.
Output for 5.6.8 - 5.6.28
C::foo Deprecated: Non-static method D::foo() should not be called statically, assuming $this from incompatible context in /in/JlKRI on line 5 D::foo Notice: Undefined property: C::$s in /in/JlKRI on line 12
Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
C::foo Strict Standards: Non-static method D::foo() should not be called statically, assuming $this from incompatible context in /in/JlKRI on line 5 D::foo Notice: Undefined property: C::$s in /in/JlKRI on line 12
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.5
C::foo Strict Standards: Non-static method D::foo() should not be called statically, assuming $this from incompatible context in /in/JlKRI on line 5 D::foo Notice: Undefined property: C::$s in /in/JlKRI on line 12
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
C::foo D::foo Notice: Undefined property: C::$s in /in/JlKRI on line 12
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/JlKRI 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_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/JlKRI on line 3
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/JlKRI on line 3
Process exited with code 255.

preferences:
249.43 ms | 401 KiB | 342 Q