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runkit_method_redefine

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(PECL runkit >= 0.7.0)

runkit_method_redefine — Dynamically changes the code of the given method

Description

runkit_method_redefine ( string $classname , string $methodname , string $args , string $code [, int $flags = RUNKIT_ACC_PUBLIC [, string $doc_comment = NULL ]] ) : bool
runkit_method_redefine ( string $classname , string $methodname , Closure $closure [, int $flags = RUNKIT_ACC_PUBLIC [, string $doc_comment = NULL ]] ) : bool

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

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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

closure

A closure that defines the method.

flags

The redefined method can be RUNKIT_ACC_PUBLIC, RUNKIT_ACC_PROTECTED or RUNKIT_ACC_PRIVATE optionally combined via bitwise OR with RUNKIT_ACC_STATIC (since 1.0.1)

doc_comment

The doc comment of the function.

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Return Values

Returns TRUE on success or FALSE on failure.

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Changelog

Version Description
runkit 1.0.4 An alternative syntax expecting a closure has been added.
runkit 1.0.4 The optional parameter doc_comment has been added.

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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!

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See Also

Find a PHP function

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Document created the 30/01/2003, last modified the 26/10/2018
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References

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