3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '+11234567890'; vprintf('%s-%s-%s', sscanf($string, '+1%3s%3s%4s')); echo "\n---\n"; echo implode('-', sscanf($string, '+1%3s%3s%4s'));
Output for 4.3.11, 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
123-456-7890 --- 123-456-7890
preferences:
94.59 ms | 407 KiB | 5 Q