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php动态添加url查询参数的方法

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Release: 2016-06-06 20:04:53
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这篇文章主要介绍了php动态添加url查询参数的方法,涉及php通过正则替换操作URL的技巧,具有一定参考借鉴价值,需要的朋友可以参考下

本文实例讲述了php动态添加url查询参数的方法。分享给大家供大家参考。具体分析如下:

这段代码可以动态为url添加key-value查询参数,,如果参数已经存在则会用新的进行覆盖

function add_querystring_var($url, $key, $value) { $url=preg_replace('/(.*)(?|&)'.$key.'=[^&]+?(&)(.*)/i','$1$2$4',$url.'&'); $url=substr($url,0,-1); if(strpos($url,'?') === false){ return ($url.'?'.$key.'='.$value); } else { return ($url.'&'.$key.'='.$value); } }

希望本文所述对大家的php程序设计有所帮助。

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