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<?php class Foo { static function register() { set_error_handler('self::handleError'); } static function handleError() { echo 'ERROR!!!'; } } Foo::register(); assert(is_string(null));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Use of "self" in callables is deprecated in /in/7GHqi on line 6 Fatal error: Uncaught AssertionError: assert(is_string(null)) in /in/7GHqi:16 Stack trace: #0 /in/7GHqi(16): assert(false, 'assert(is_strin...') #1 {main} thrown in /in/7GHqi on line 16
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught AssertionError: assert(is_string(null)) in /in/7GHqi:16 Stack trace: #0 /in/7GHqi(16): assert(false, 'assert(is_strin...') #1 {main} thrown in /in/7GHqi on line 16
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Invalid callback self::handleError, cannot access self:: when no class scope is active in /in/7GHqi on line 16 Warning: assert(): assert(is_string(null)) failed in /in/7GHqi on line 16
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Warning: Invalid callback self::handleError, cannot access self:: when no class scope is active in /in/7GHqi on line 16 Warning: assert(): Assertion failed in /in/7GHqi on line 16
Output for 5.2.2 - 5.2.17
Fatal error: Cannot call method self::handleError() or method does not exist in /in/7GHqi on line 16
Process exited with code 255.
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.1
Warning: assert(): Assertion failed in /in/7GHqi on line 16
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
Warning: set_error_handler() expects the argument (self::handleError) to be a valid callback in /in/7GHqi on line 6 Warning: assert(): Assertion failed in /in/7GHqi on line 16
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/7GHqi 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_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/7GHqi 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/7GHqi on line 5
Process exited with code 255.

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