Dynamically adds a new method to a given class

# runkit_method_add

(PECL runkit >= 0.7.0)

runkit_method_add — Dynamically adds a new method to a given class

### 説明

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

### パラメータ

`classname`

  The class to which this method will be added

`methodname`

  The name of the method to add

`args`

  Comma-delimited list of arguments for the newly-created method

`code`

  The code to be evaluated when `methodname` is called

`closure`

  A closure that defines the method.

`flags`

  The type of method to create, 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)

  > 注意:

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

`doc_comment`

  The doc comment of the function.

### 返り値

成功した場合に `TRUE` を、失敗した場合に `FALSE` を返します。

### 変更履歴

バージョン | 説明
--- | ---
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.

### 例

例1 runkit_method_add() example

`<?php
class Example {
function foo() {
echo "foo!\n";
}
}
// create an Example object
$e = new Example();
// Add a new public method
runkit_method_add(
'Example',
'add',
'$num1, $num2',
'return $num1 + $num2;',
RUNKIT_ACC_PUBLIC
);
// add 12 + 4
echo $e->add(12, 4);
?>`

上の例の出力は以下となります。

    16

### 参考

- runkit_method_copy() - あるクラスのメソッドを別のクラスにコピーする
- runkit_method_redefine() - Dynamically changes the code of the given method
- runkit_method_remove() - 指定したメソッドを動的に削除する
- runkit_method_rename() - 指定したメソッドの名前を動的に変更する
- runkit_function_add() - Add a new function, similar to create_function