3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v1 = '--- -- -'; echo str_replace('--',' ',str_replace('---',' - ',$v1)) . PHP_EOL; echo str_replace(array('-', '--', '---'), array('-', ' ', ' - '), $v1);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
- - - -
preferences:
102.76 ms | 1234 KiB | 4 Q