uopz_allow_exit

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

    uopz_allow_exit — Allows 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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