PHP闭包函数传参及使用外部变量的方法,php变量
PHP闭包函数传参及使用外部变量的方法,php变量
本文实例讲述了PHP闭包函数传参及使用外部变量的方法。分享给大家供大家参考,具体如下:
在Laravel控制器写两个方法,一个是在内部创建一个闭包函数,一个是执行传过来的闭包函数,测试闭包的写法,use使用外部变量,及闭包函数的传参。如下:
//测试闭包传参及use使用外部变量 public function testClosure($t1, $t2) { $closure = function ($param1, $param2) use ($t1, $t2) { echo $param1.$param2.$t1.$t2; }; $this->execClosure('test.closure', $closure); } //执行闭包函数 protected function execClosure($name, Closure $closure) { echo 'Closure func name:'.$name; echo '<br>'; $closure('p1', 'p2'); }
在routes.php添加路由:
复制代码 代码如下:Route::get('/test/closure/{t1}/{t2}',['uses'=>'TestController@testClosure']);
访问www.example.com/test/closure/hehe1/hehe2
浏览器输出结果:
Closure func name:test.closure p1p2hehe1hehe2
转自:小谈博客 http://www.tantengvip.com/2016/03/php-closure-use/
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