How to solve the problem of carriage return and line feed conversion in php

php method to solve carriage return and line feed conversion: 1. Use the file function, the code is [$list = file($intstr)]; 2. Use the replace function, the code is [ereg_replace("\r\ n", "", $value);].

php method to solve carriage return and line feed conversion:

Method 1: nl2br (PHP 4, PHP 5 )

nl2br — Inserts HTML line breaks before all newlines in a string

Method 2: You can use the file() function, the example is as follows

function fmtfilenl($intstr)
{
 $list = file($intstr);
 foreach($list as $row) {
    $outstr=$outstr.$row.'
';
 }
 return $outstr;
}

Method 3:

$a = preg_replace("/[\r\n]+/", ',', $a);或$a = join(',', split("[\r\n]+", $a));

Method 4:

ereg_replace("\r\n", "", $value);

The last one to know , PHP code

str_replace("\n", '', str_replace("\r\n", "\n", $a));
or
str_replace(PHP_EOL, "\n", $a )

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