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php为字符串前后添加指定数量字符的方法

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2016-06-06 20:04:321790browse

这篇文章主要介绍了php为字符串前后添加指定数量字符的方法,涉及php操作字符串的相关技巧,非常具有实用价值,需要的朋友可以参考下

本文实例讲述了php为字符串前后添加指定数量字符的方法。分享给大家供大家参考。具体分析如下:

这段php代码定义了两个函数 str_prefix和str_suffix,,分别用来给字符串前后添加指定数量的符号

function str_prefix($str, $n=1, $char=" "){ for ($x=0;$x

用法举例:

str_prefix('test',3,'-')=>returns'---test' str_suffix('test',3,'-')=> returns 'test---'

希望本文所述对大家的php程序设计有所帮助。

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