3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "Leading zeroes are not significant: "; var_dump(inet_pton("2001:0010::") == inet_pton("2001:10::")); echo "2001:0010:: "; var_dump(filter_var("2001:0010::", FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE)); echo "2001:10:: "; var_dump(filter_var("2001:10::", FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE)); echo "\n"; echo "Testing manually: "; $inet = array_map("hexdec", array_map("bin2hex", str_split(inet_pton("2001:10::"), 2))); var_dump($inet[0] != 0x2001 || ($inet[1] & 0xFFF0) != 0x0010);
Output for 7.4.25 - 7.4.33, 8.0.12 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Leading zeroes are not significant: bool(true) 2001:0010:: bool(false) 2001:10:: bool(false) Testing manually: bool(false)
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 Leading zeroes are not significant: bool(true) 2001:0010:: bool(false) 2001:10:: bool(false) Testing manually: bool(false)
Output for 5.6.38, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.24, 8.0.0 - 8.0.11
Leading zeroes are not significant: bool(true) 2001:0010:: bool(false) 2001:10:: string(9) "2001:10::" Testing manually: bool(false)
preferences:
167.14 ms | 403 KiB | 173 Q