(PECL uopz 5, PECL uopz , PECL uopz 7)
uopz_get_exit_status — Retrieve the last set exit status
Retrieves the last set exit status, i.e. the value passed to exit().
此函数没有参数。
This function returns the last exit status, or null if exit()
has not been called.
Example #1 uopz_get_exit_status() example
<?php
exit(123);
echo uopz_get_exit_status();?>
以上例程会输出：
123
OPcache optimizes away dead code after unconditional exit.