# uopz_get_exit_status

(PECL uopz 5)

uopz_get_exit_status — Retrieve the last set exit status

### 说明

uopz_get_exit_status ( void ) : mixed

Retrieves the last set exit status, i.e. the value passed to exit().

### 参数

此函数没有参数。

### 返回值

This function returns the last exit status, or `NULL` if exit() has not been called.

### 范例

Example #1 uopz_get_exit_status() example

    <?php
    exit(123);
    echo uopz_get_exit_status();?>

以上例程会输出：

    123

### 注释

Caution

OPcache optimizes away dead code after unconditional exit.

### 参见

- uopz_allow_exit() - Allows control over disabled exit opcode