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<?php class Foo { function dump() { var_dump(get_class($this)); var_dump(self::class); var_dump(get_class()); var_dump(get_class(null)); } } (new Foo())->dump();
Output for 8.3.0 - 8.3.14, 8.4.1
string(3) "Foo" string(3) "Foo" Deprecated: Calling get_class() without arguments is deprecated in /in/GI5Kc on line 7 string(3) "Foo" Fatal error: Uncaught TypeError: get_class(): Argument #1 ($object) must be of type object, null given in /in/GI5Kc:8 Stack trace: #0 /in/GI5Kc(12): Foo->dump() #1 {main} thrown in /in/GI5Kc on line 8
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26
string(3) "Foo" string(3) "Foo" string(3) "Foo" Fatal error: Uncaught TypeError: get_class(): Argument #1 ($object) must be of type object, null given in /in/GI5Kc:8 Stack trace: #0 /in/GI5Kc(12): Foo->dump() #1 {main} thrown in /in/GI5Kc on line 8
Process exited with code 255.
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
string(3) "Foo" string(3) "Foo" string(3) "Foo" Warning: get_class() expects parameter 1 to be object, null given in /in/GI5Kc on line 8 bool(false)
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
string(3) "Foo" string(3) "Foo" string(3) "Foo" string(3) "Foo"
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/GI5Kc on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_CLASS, expecting T_STRING or T_VARIABLE or '$' in /in/GI5Kc on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CLASS, expecting T_STRING or T_VARIABLE or '$' in /in/GI5Kc on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or `'$'' in /in/GI5Kc on line 6
Process exited with code 255.

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