How to write line break in php

You can use PHP_EOL instead in PHP to improve the source code level portability of the code

Unix series (recommended learning:PHP programming from entry to proficiency)

\n

For Windows series

\r\n

For mac

\r

For example:

<?php
    echo PHP_EOL;
    //windows平台相当于    echo "\r\n";
    //unix\linux平台相当于    echo "\n";
    //mac平台相当于    echo "\r";
?>

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