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php根据指定位置和长度获得子字符串的方法

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Release： 2016-06-06 20:06:34
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这篇文章主要介绍了php根据指定位置和长度获得子字符串的方法,涉及php中substr函数的使用技巧,需要的朋友可以参考下

本文实例讲述了php根据指定位置和长度获得子字符串的方法。分享给大家供大家参考。具体分析如下：

php的substr函数功能非常强大，不断可以从前往后去子字符串还可以从后往前取字符串

输出结果：

Position counted from left: begin Position counted form right: gin

希望本文所述对大家的php程序设计有所帮助。

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Related labels：
php substring Specify location method get length
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