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PHP - Manual: uopz_get_hook

2024-11-14

uopz_get_hook

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

uopz_get_hookGets 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.

范例

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'));
?>

以上例程的输出类似于:

object(Closure)#2 (0) {
}

参见

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官方地址:https://www.php.net/manual/en/function.uopz-get-hook.php

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