PHP技巧分享:7个非常适合初学者使用的实用PHP方法
日期:2012-7-26来源:GBin1.com 你有没有查看过全部PHP的方法,我大概统计了一下,在PHP参考中一共有5025个。如果你初学这种web编程语言,那么我将介绍几个非常实用的PHP方法,希望能够对你有帮助! Function1:array_rand 首先我们介绍这个简单的方法array
日期:2012-7-26 来源:GBin1.com
你有没有查看过全部PHP的方法,我大概统计了一下,在PHP参考中一共有5025个。如果你初学这种web编程语言,那么我将介绍几个非常实用的PHP方法,希望能够对你有帮助!
Function1:array_rand
首先我们介绍这个简单的方法array_rand。
是不是想从一个数组中随机取出一个来?你可以使用rand或者mt_rand来得到一个随机的数,传递0和最后一个index值作为数组的最小和最大参数,这将会给你一个随机的key你可以用来得到数组的值。
当然这里有更方便的方法来实现上述功能:array_rand,只需要传递一个数组,会自动给你返回一个随机key。如下:
$sites = ["gbin1.com", "gbtags.com", "baidu.com", "google.com"]; $k = array_rand($sites); $sites[$k];
如果你需要的不仅仅是一个一个随机数值的话,你还可以传递第二个参数来设置返回的数值数量,这样你就可以得到一个随机的数组。
Function2:strip_tags
.........
来源:PHP技巧分享:7个非常适合初学者使用的实用PHP方法

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