3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strcmp("🍺", "🍣")); var_dump(strcmp("🍣", "🍺")); var_dump(strlen("🍣")); var_dump(strlen("🍺"));
Output for 7.3.29 - 7.3.33, 7.4.20, 7.4.22 - 7.4.30, 8.0.1, 8.0.5 - 8.0.7, 8.0.9 - 8.0.20, 8.1.0 - 8.1.7
int(1) int(-1) int(4) int(4)
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.28, 7.4.0 - 7.4.14, 7.4.21, 8.0.0, 8.0.2 - 8.0.3, 8.0.8
int(5888) int(-5888) int(4) int(4)

preferences:
53.6 ms | 411 KiB | 5 Q