How to remove carriage return in php

php method to remove carriage returns: 1. Use [str_replace] to replace newlines; 2. Use regular replacement; 3. Use variables defined by php, the code is [$str = str_replace(PHP_EOL, '' , $str)].

php method to remove carriage returns:

php Line breaks in different systems

Different systems The implementation of line breaks is different

Use in Linux and Unix \n

Use \r in MAC

In order to reflect the difference from linux, window is \r\n

So the implementation methods are different on different platforms

php There are three ways to solve it:

1. Use str_replace to replace newlines

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

2. Use regular replacement

$str = preg_replace('//s*/', '', $str);

3. Use variables defined by PHP (recommended)

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

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