uopz_get_exit_status

(PECL uopz 5, PECL uopz 6)

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

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