(PECL uopz 5, PECL uopz 6, PECL uopz 7)
uopz_del_function — Deletes previously added function or method
$function
) : bool$class
, string $function
, int &$all = true
) : boolDeletes a previously added function or method.
classThe name of the class.
functionThe name of the function or method.
all
Whether all classes that descend from class will
also be affected.
成功时返回 true， 或者在失败时返回 false。
uopz_del_function() throws a RuntimeException if the function or method to delete has not been added by uopz_add_function().
Example #1 Basic uopz_del_function() Usage
<?php
uopz_add_function('foo', function () {echo 'bar';});
var_dump(function_exists('foo'));
uopz_del_function('foo');
var_dump(function_exists('foo'));
?>
以上例程会输出：
bool(true) bool(false)