uopz_get_hook

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

    uopz_get_hook — Gets previously set hook on function or method

    说明

    uopz_get_hook(string $function): Closure
    uopz_get_hook(string $class, string $function): Closure

    Gets the previously set hook on a function or method.

    参数

    class

    The name of the class.

    function

    The name of the function or method.

    返回值

    Returns the previously set hook on a function or method, or null if no hook has been set.

    示例

    示例 #1 Basic uopz_get_hook() Usage

    <?php
    function foo() {
    echo     'foo';
    }
    uopz_set_hook('foo', function () {echo 'bar';});
    var_dump(uopz_get_hook('foo'));
    ?>

    以上示例的输出类似于：

    object(Closure)#2 (0) {
}

    参见

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