3v4l.org

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<?php $input = 'Wires: 8 Pairs: 4'; sscanf($input, 'Wires: %d Pairs: %d', $wires, $pairs); printf('Wires: %d Pairs: %d', $wires / $pairs, $pairs);
Output for 8.0.1 - 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
Wires: 2 Pairs: 4
preferences:
93.18 ms | 406 KiB | 5 Q