3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'invoice/'.sprintf('%03d', substr(60, -3)).'/60/';
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 - 5.2.1, 5.2.7 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.29, 5.5.31 - 5.5.38, 5.6.0, 5.6.2 - 5.6.11, 5.6.13 - 5.6.19, 5.6.21 - 5.6.31, 5.6.35 - 5.6.40, 7.0.1 - 7.0.2, 7.0.4 - 7.0.9, 7.0.16 - 7.0.23, 7.0.25 - 7.0.33, 7.1.1, 7.1.3, 7.1.6 - 7.1.12, 7.1.14 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1, 8.1.26 - 8.1.28, 8.2.13 - 8.2.18, 8.3.0 - 8.3.6
invoice/060/60/
Output for 5.5.30, 5.6.1, 5.6.12, 5.6.20, 5.6.32 - 5.6.34, 7.0.0, 7.0.3, 7.0.10 - 7.0.15, 7.0.24, 7.1.0, 7.1.2, 7.1.4 - 7.1.5, 7.1.13

Process exited with code 137.
Output for 5.2.2 - 5.2.6
invoice/000/60/

preferences:
253 ms | 401 KiB | 341 Q