Dynamically changes the name of the given method

# runkit7_method_rename

(PECL runkit7 >= Unknown)

runkit7_method_rename — Dynamically changes the name of the given method

### 说明

function runkit7_method_rename(string `$class_name`, string `$source_method_name`, string `$target_method_name`): bool

> 注意: 此函数不能用来操作当前正常运行（或运行链上）的方法。

### 参数

`class_name`
  The class in which to rename the method
`source_method_name`
  The name of the method to rename
`target_method_name`
  The new name to give to the renamed method

### 返回值

成功时返回 `true`， 或者在失败时返回 `false`。

### 示例

示例 #1 runkit7_method_rename() example

    <?php
    class Example {
        function foo() {
            return "foo!\n";
        }
    }

    // Rename the 'foo' method to 'bar'
    runkit7_method_rename(
        'Example',
        'foo',
        'bar'
    );

    // output renamed function
    echo (new Example)->bar();
    ?>

以上示例会输出：

    foo!

### 参见

- runkit7_method_add() - Dynamically adds a new method to a given class
- runkit7_method_copy() - Copies a method from class to another
- runkit7_method_redefine() - Dynamically changes the code of the given method
- runkit7_method_remove() - Dynamically removes the given method
- runkit7_function_rename() - Change a function's name

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