php man page for runkit_function_rename

RUNKIT_FUNCTION_RENAME(3)						 1						 RUNKIT_FUNCTION_RENAME(3)

runkit_function_rename - Change a function's name

SYNOPSIS
       bool runkit_function_rename (string  $funcname, string  $newname)

DESCRIPTION
       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
	      o $funcname
		- Current function name

	      o $newname
		- New function name

RETURN VALUES
	Returns TRUE on success or FALSE on failure.

SEE ALSO
       runkit_function_add(3), runkit_function_copy(3), runkit_function_redefine(3), runkit_function_remove(3).

PHP Documentation Group 												 RUNKIT_FUNCTION_RENAME(3)