# uopz_rename

(PECL uopz 1, PECL uopz 2)

uopz_rename — Rename a function at runtime

Warning

This function has been REMOVED in PECL uopz 5.0.0.

### 说明

uopz_rename ( string `$function` , string `$rename` ) : void
uopz_rename ( string `$class` , string `$function` , string `$rename` ) : void

Renames `function` to `rename`

> Note:

> If both functions exist, this effectively swaps their names

### 参数

`class`

  The name of the class containing the function

`function`

  The name of an existing function

`rename`

  The new name for the function

### 返回值

### 范例

Example #1 uopz_rename() example

    <?php
    uopz_rename("strlen", "original_strlen");

    echo original_strlen("Hello World");
    ?>

以上例程会输出：

    11

Example #2 uopz_rename() class example

    <?php
    class My {
        public function strlen($arg) {
            return strlen($arg);
        }
    }

    uopz_rename(My::class, "strlen", "original_strlen");

    echo My::original_strlen("Hello World");
    ?>

以上例程会输出：

    11