uopz_allow_exit

(PECL uopz 5, PECL uopz 6, PECL uopz 7)

uopz_allow_exitAllows control over disabled exit opcode

说明

uopz_allow_exit(bool $allow): void

By default uopz disables the exit opcode, so exit() calls are practically ignored. uopz_allow_exit() allows to control this behavior.

参数

allow

Whether to allow the execution of exit opcodes or not.

返回值

没有返回值。

示例

示例 #1 uopz_allow_exit() example

<?php
exit(1);
echo
1;
uopz_allow_exit(true);
exit(
2);
echo
2;
?>

以上示例会输出:

1

注释

警告

OPcache optimizes away dead code after unconditional exit.

参见

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