3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'abd'; $b = 'ABd'; setlocale(LC_ALL, 'C'); var_dump(strcmp($a, $b)); var_dump(strcoll($a, $b)); var_dump(strcasecmp($a, $b)); setlocale(LC_COLLATE, 'en_US'); var_dump(strcmp($a, $b)); var_dump(strcoll($a, $b)); var_dump(strcasecmp($a, $b));
Output for 7.3.30 - 7.3.33, 7.4.20, 7.4.22 - 7.4.33, 8.0.5 - 8.0.7, 8.0.9 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
int(2105344) int(32) int(0) int(2105344) int(-2) int(0)
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 int(2105344) int(32) int(0) int(2105344) int(-2) int(0)
Output for 7.3.0 - 7.3.29, 7.4.0 - 7.4.16, 7.4.21, 8.0.0 - 8.0.3, 8.0.8
int(32) int(32) int(0) int(32) int(-2) int(0)
preferences:
198.45 ms | 402 KiB | 156 Q