3v4l.org

run code in 300+ PHP versions simultaneously
<?php $message = 'test\r\n'; var_dump(preg_replace('/\r\n|\r|\n/', "\n", $message));
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
string(8) "test\r\n"
preferences:
169.73 ms | 407 KiB | 5 Q