3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ["index.php","assets","README.md","OpgaveBo","Opgave8","Opgave6","Opgave3","Opgave2","Opgave11","Opgave10","Opgave1",".git"]; foreach($array as $file) { if (strstr($file, 'Opgave')) { echo $file."\n"; } }
Output for 7.0.0 - 7.0.24, 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
OpgaveBo Opgave8 Opgave6 Opgave3 Opgave2 Opgave11 Opgave10 Opgave1
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 OpgaveBo Opgave8 Opgave6 Opgave3 Opgave2 Opgave11 Opgave10 Opgave1
preferences:
159.77 ms | 402 KiB | 224 Q