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PHP classkit_method_redefine

PHP original manual for classkit_method_redefine [ show | php.net ]

classkit_method_redefine

(PECL classkit >= 0.1)

classkit_method_redefine — Dynamically changes the code of the given method

Description

bool classkit_method_redefine ( string $classname , string $methodname , string $args , string $code [, int $flags = CLASSKIT_ACC_PUBLIC ] )

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

Warning

This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used 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 CLASSKIT_ACC_PUBLIC, CLASSKIT_ACC_PROTECTED or CLASSKIT_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 classkit_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
classkit_method_redefine(
    'Example',
    'foo',
    '',
    'return "bar!\n";',
    CLASSKIT_ACC_PUBLIC
);

// output Example::foo() (after redefine)
echo "After: " . $e->foo();
?>

The above example will output:

Before: foo!
After: bar!

See Also