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PHP is a reflective programming language originally designed for producing dynamic web pages.[1] PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. Textual User Interfaces can also be created using ncurses.

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classkit_method_redefine

(PECL)

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] )

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 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

classkit_method_add()

classkit_method_copy()

classkit_method_remove()

classkit_method_rename()

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Another Useful functions:

zend-macro.z-obj-class-name-p | zend-api.zend-update-class-constants | zend-api.zend-u-lookup-class | zend-api.zend-u-lookup-class-ex | zend-api.zend-u-fetch-class | zend-api.zend-register-internal-class | zend-api.zend-register-internal-class-ex | zend-api.zend-register-default-classes | zend-api.zend-lookup-class | zend-api.zend-initialize-class-data | zend-api.zend-get-object-classname | zend-api.zend-get-class-entry | zend-api.zend-fetch-class | zend-api.zend-disable-class | zend-api.zend-declare-class-constant | zend-api.zend-declare-class-constant-stringl | zend-api.zend-declare-class-constant-string | zend-api.zend-declare-class-constant-long | zend-api.zend-declare-class-constant-double | zend-api.zend-declare-class-constant-bool | zend-api.zend-cleanup-class-data | zend-api.zend-class-implements | zend-api.get-active-class-name | zend-api.do-bind-inherited-class | zend-api.do-bind-class | zend-api.destroy-zend-class | reserved.classes | ref.classobj | ref.classkit | migration52.classes | migration52.class-constants | function.spl-classes | function.soap-soapserver-setclass | function.runkit-class-emancipate | function.runkit-class-adopt | function.mcal-event-set-class | function.is-subclass-of | function.get-parent-class | function.get-declared-classes | function.get-class | function.get-class-vars | function.get-class-methods | function.dom-domdocument-registernodeclass | function.classkit-method-rename | function.classkit-method-remove | function.classkit-method-redefine | function.classkit-method-copy | function.classkit-method-add | function.classkit-import | function.class-parents | function.class-implements | function.class-exists | function.bcompiler-write-class | function.bcompiler-parse-class | | class.variant | class.dotnet | class.dir | class.com |

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.