Remove a function definition runkit_function_redefine runkit_function_rename runkit Functions PHP Manual runkit_function_remove (PECL runkit:0.7-0.9)runkit_function_remove — Remove a function definition Description bool runkit_function_remove ( string $funcname ) Note: By default, only userspace functions may be removed, renamed, or modified. In order to override internal functions, you must enable the runkit.internal_override setting in php.ini. Parameters funcname Name of function to be deleted Return Values Returns TRUE on success or FALSE on failure. See Also runkit_function_add() runkit_function_copy() runkit_function_redefine() runkit_function_rename() runkit_function_redefine runkit_function_rename runkit Functions PHP Manual