# uopz_backup

(PECL uopz 1 >= 1.0.3, PECL uopz 2)

uopz_backup — Backup a function

Warning

This function has been REMOVED in PECL uopz 5.0.0.

### 说明

uopz_backup ( string `$function` ) : void
uopz_backup ( string `$class` , string `$function` ) : void

Backup a function at runtime, to be restored on shutdown

### 参数

`class`

  The name of the class containing the function to backup

`function`

  The name of the function

### 返回值

### 范例

Example #1 uopz_backup() example

    <?php
    uopz_backup("fgets");
    uopz_function("fgets", function(){
        return true;
    });
    var_dump(fgets());
    ?>

以上例程会输出：

    bool(true)