# rename_function

(PECL apd >= 0.2)

rename_function — Renames orig_name to new_name in the global function table

### 说明

rename_function ( string `$original_name` , string `$new_name` ) : bool

Renames a orig_name to new_name in the global function table. Useful for temporarily overriding built-in functions.

### 参数

`original_name`

  The original function name.

`new_name`

  The new name for the `original_name` function.

### 返回值

成功时返回 `TRUE`， 或者在失败时返回 `FALSE`。

### 范例

Example #1 rename_function() example

    <?php
    rename_function('mysql_connect', 'debug_mysql_connect' );
    ?>