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How to replace carriage returns in php: 1. Use the statement "str_replace(array("/r", "/n", "/r/n"), "", $string);"; 2 , using regular expressions; 3. Through the statement "$str = str_replace(PHP_EOL,)".
Three ways to replace carriage return and line feed in PHP
A small line break actually works on different platforms There are different implementations, why is this? The world is diverse!
Originally, /n is used to replace line breaks in the Unix world.
In order to reflect the difference, Windows uses /r/n.
What’s more interesting is that in Mac Used /r.
Therefore, there are a lot of troubles when writing programs on different platforms, such as replacing newlines.
The first way
str_replace(array("/r", "/n", "/r/n"), "", $string);
The second way is to use regular expressions
$str = preg_replace('//s*/', '', $str);
The third way
I have to look at it again here One of PHP's defined variables
PHP_EOL represents the newline character of PHP. This variable will change according to the platform. It will be /r/n under Windows and /n under Linux. Under mac it is /r
$str = str_replace(PHP_EOL, '', $str);
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