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runkit_method_redefine
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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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