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How to remove r and n in php: 1. Use str_replace to replace rn newline; 2. Use regular replacement and remove newline; 3. Remove newline through "str_replace(PHP_EOL, '', $str);" .
The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer
Three methods of PHP removing line breaks code
<?php //php 不同系统的换行 //不同系统之间换行的实现是不一样的 //linux 与unix中用 /n //MAC 用 /r //window 为了体现与linux不同 则是 /r/n //所以在不同平台上 实现方法就不一样 //php 有三种方法来解决 //1、使用str_replace 来替换换行 $str = str_replace(array("/r/n", "/r", "/n"), "", $str); //2、使用正则替换 $str = preg_replace('//s*/', '', $str); //3、使用php定义好的变量 (建议使用) $str = str_replace(PHP_EOL, '', $str); ?>
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