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<?php class CallBySelf { public static function foo() { echo 'Foo', PHP_EOL; } public static function testCall() { $method = ['self', 'foo']; var_dump(is_callable($method)); echo 'Call via call_user_func: '; call_user_func($method); echo 'Direct call: '; $method(); } } CallBySelf::testCall();
Output for 8.0.0 - 8.0.13, 8.1rc1 - rc3
bool(true) Call via call_user_func: Foo Direct call: Fatal error: Uncaught Error: Class "self" not found in /in/Ssgep:19 Stack trace: #0 /in/Ssgep(23): CallBySelf::testCall() #1 {main} thrown in /in/Ssgep on line 19
Process exited with code 255.
Output for 7.0.0 - 7.0.27, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.26
bool(true) Call via call_user_func: Foo Direct call: Fatal error: Uncaught Error: Class 'self' not found in /in/Ssgep:19 Stack trace: #0 /in/Ssgep(23): CallBySelf::testCall() #1 {main} thrown in /in/Ssgep on line 19
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30
bool(true) Call via call_user_func: Foo Direct call: Fatal error: Class 'self' not found in /in/Ssgep on line 19
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Ssgep on line 12
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/Ssgep on line 12
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/Ssgep on line 5
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/Ssgep on line 5
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/Ssgep on line 5
Process exited with code 255.

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