3v4l.org

run code in 500+ PHP versions simultaneously
<?php $line = 'tc class add dev br-lan parent 1:1 classid 1:2 htb rate 100kbit ceil 100kbit'; var_dump( preg_replace('/.* rate (\d+).*/', '$1', $line) );
Output for 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
string(3) "100"

preferences:
78.94 ms | 1097 KiB | 4 Q