PHP Closure Experiment

Source: Internet
Author: User
Tags php source code
Introduction: This is the PHP closure experiment detailed page, introduced and PHP, related knowledge, skills, experience, and some PHP source code and so on.

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Class IArray extends Arrayobject  {      static function make ($array)      {          return new self ($array);      } function Map ($func)      {          $res = new self (); foreach ($this as $k = = $v)   {   $res [$k] = $func ($k, $v);          } return $res;      } function filter ($func)      {          $res = new self (); foreach ($this as $k = = $v   ) {              if ($func ($k, $v))   {                  $res [$k] = $v;             }      } return $res;      }} $nums = Array (10,20,30,40), $res = Iarray::make ($nums)->filter (function ($k, $v) {return $v > 15;}) ->map (function ($k, $v) {return $v * 2;}); Print_r ($res);

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