3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = " put returns between paragraphs for linebreak add 2 spaces at end "; var_export( preg_replace('/\v+/', ' ', trim($string)) );
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
'put returns between paragraphs for linebreak add 2 spaces at end'

preferences:
70.95 ms | 406 KiB | 5 Q