3v4l.org

run code in 300+ PHP versions simultaneously
<?php $code = "-\r-\r\n-\n-"; $hex = bin2hex($code); var_dump($hex); $code1 = str_replace("\r\n", "\n", $code); $hex = bin2hex($code1); var_dump($hex); $code2 = str_replace(array("\r\n", "\r"), "\n", $code); $hex = bin2hex($code2); var_dump($hex); $code3 = strtr($code, array( "\r\n" => "\n", "\r" => "\n" )); $hex = bin2hex($code3); var_dump($hex);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(16) "2d0d2d0d0a2d0a2d" string(14) "2d0d2d0a2d0a2d" string(14) "2d0a2d0a2d0a2d" string(14) "2d0a2d0a2d0a2d"

preferences:
270.47 ms | 406 KiB | 326 Q