(PECL uopz 5, PECL uopz 6, PECL uopz 7)
uopz_set_hook — Sets hook to execute when entering a function or method
Sets a hook to execute when entering a function or method.
classThe name of the class.
functionThe name of the function or method.
hookA closure to execute when entering the function or method.
成功时返回 true， 或者在失败时返回 false。
示例 #1 Basic uopz_set_hook() Usage
<?php
function foo() {
echo 'foo';
}
uopz_set_hook('foo', function () {echo 'bar';});
foo();
?>以上示例会输出：
barfoo