How to replace newline characters in php

Method: 1. Use the "str_replace(array("\r\n","\n"),'', variable)" statement; 2. Use "preg_replace('/[\r\n ]/','', variable)" statement; 3. Use the "str_replace(PHP_EOL,'', variable)" statement.

The operating environment of this tutorial: Windows 7 system, PHP version 7.1, DELL G3 computer

How to replace line breaks in php:

$str="this is a test \n";

Method 1:

$replace_str = str_replace(array("\r\n", "\r", "\n"), "", $str);

(Note: replace \r\n first, then whether it exists\n, and finally replace \r)

Method 2 :

$replace_str = preg_replace('/[\r\n]/', '', $str);

(The original text is /\s*/, but this will also replace the blank characters in the content)

Method 3:

$replace_str = str_replace(PHP_EOL, '', $str);

Recommended learning : "PHP Video Tutorial"

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