3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hello[0]["arg0"] = "v:0"; $hello[0]["arg1"] = "v:1"; $hello[0]["arg2"] = "v:2"; for($i=0;$i<count($hello[0]);$i++) { echo $hello[0]["arg".($i+1)]; }
Output for 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
v:1v:2 Warning: Undefined array key "arg3" in /in/QuYL5 on line 9
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 v:1v:2 Warning: Undefined array key "arg3" in /in/QuYL5 on line 9
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
v:1v:2 Notice: Undefined index: arg3 in /in/QuYL5 on line 9
Output for 7.3.32 - 7.3.33, 7.4.26
v:1v:2
preferences:
152.1 ms | 401 KiB | 173 Q