3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo print_r(0.1 + 0.2, true) . "\n"; echo "Old precision: " . ini_set("precision", -1) . "\n"; echo print_r(0.1 + 0.2, true) . "\n"; echo "Round with 14: " . print_r(round(0.1 + 0.2, 14), true);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
0.3 Old precision: 14 0.30000000000000004 Round with 14: 0.3
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 0.3 Old precision: 14 0.30000000000000004 Round with 14: 0.3
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33
0.3 Old precision: 0.3 Round with 14: 0.3
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 - 5.2.17
0.3 Old precision: 14 0.3 Round with 14: 0.3
preferences:
288.56 ms | 402 KiB | 449 Q