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php闭包实验

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WBOYOriginal
2016-06-23 14:32:50751browse

简介:这是php闭包实验的详细页面,介绍了和php,有关的知识、技巧、经验,和一些php源码等。

class='pingjiaF' frameborder='0' src='http://biancheng.dnbcw.info/pingjia.php?id=336629' scrolling='no'>
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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