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# runkit_method_redefine

(PECL)

runkit_method_redefine -- Dynamically changes the code of the given method

## Description

bool runkit_method_redefine ( string classname, string methodname, string args, string code [, int flags] )

> Note: This function cannot be used to manipulate the currently running (or chained) method.

Warning
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.

## Parameters

classname

  The class in which to redefine the method

methodname

  The name of the method to redefine

args

  Comma-delimited list of arguments for the redefined method

code

  The new code to be evaluated when methodname is called

flags

  The redefined method can be `RUNKIT_ACC_PUBLIC`, `RUNKIT_ACC_PROTECTED` or `RUNKIT_ACC_PRIVATE`

  > Note: This parameter is only used as of PHP 5, because, prior to this, all methods were public.

## Return Values

Returns `TRUE` on success or `FALSE` on failure.

## Examples

Example 1. runkit_method_redefine() example
`<?php class Example { function foo() { return "foo!\n"; } } // create an Example object $e = new Example(); // output Example::foo() (before redefine) echo "Before: " . $e->foo(); // Redefine the 'foo' method runkit_method_redefine( 'Example', 'foo', '', 'return "bar!\n";', RUNKIT_ACC_PUBLIC ); // output Example::foo() (after redefine) echo "After: " . $e->foo(); ?>`
The above example will output:
    Before: foo!
    After: bar!

## See Also

runkit_method_add()
runkit_method_copy()
runkit_method_remove()
runkit_method_rename()
runkit_function_redefine()

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