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PHP匿名函数
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- 2016-06-23 13:36:451256browse
1、匿名函数就是临时创建的没有名称的函数。
2、PHP从PHP5.3.0版本开始支持匿名函数。
3、PHP的匿名函数通过closures实现，常用于回调函数。
下面看一例子：
$my_array = array(1,2,3,4,5,6,7,8,9);
print_r($my_array);
echo "
";
$new_array = array_filter($my_array, function($var){ return $var > 5;});
print_r($new_array);
echo "
";
?>
运行结果：
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