php man page for runkit_function_redefine

RUNKIT_FUNCTION_REDEFINE(3)						 1					       RUNKIT_FUNCTION_REDEFINE(3)

runkit_function_redefine - Replace a function definition with a new implementation

SYNOPSIS
       bool runkit_function_redefine (string  $funcname, string  $arglist, string  $code)

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
		- Name of function to redefine

	      o $arglist
		- New list of arguments to be accepted by function

	      o $code
		- New code implementation

RETURN VALUES
	Returns TRUE on success or FALSE on failure.

EXAMPLES
       Example #1

	      A runkit_function_redefine(3) example

	      <?php
	      function testme() {
		echo "Original Testme Implementation
";
	      }
	      testme();
	      runkit_function_redefine('testme','','echo "New Testme Implementation
";');
	      testme();
	      ?>

	      The above example will output:

	      Original Testme Implementation
	      New Testme Implementation

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

PHP Documentation Group 											       RUNKIT_FUNCTION_REDEFINE(3)