Php/docs/function.uopz-get-hook
来自菜鸟教程
uopz_get_hook
(PECL uopz 5, PECL uopz 6)
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.
范例
Example #1 Basic uopz_get_hook() Usage
<?phpfunction 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
- uopz_set_hook() - Sets hook to execute when entering a function or method
- uopz_unset_hook() - Removes previously set hook on function or method
