3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cidr = "192.168.2.1, 23.34.45.56"; $arr = explode(",", filter_var($cidr)); foreach ($arr as $item) { echo "$item <br>"; } echo $arr[0]; echo "\n"; echo $arr[1]; $a = "1.2.3.4/"; $parts = explode("/", $a); echo $parts[0]; echo $parts[1]; if ($parts[1] == "") { echo "True"; } ?>
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.1.20 - 7.1.25, 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
192.168.2.1 <br> 23.34.45.56 <br>192.168.2.1 23.34.45.561.2.3.4True
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 0 192.168.2.1 <br> 23.34.45.56 <br>192.168.2.1 23.34.45.561.2.3.4True
Output for 7.1.10

Process exited with code 137.
preferences:
232.37 ms | 401 KiB | 228 Q