3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); $a = []; echo $a["foo"]; echo "foo"; error_reporting(E_ALL & ~E_NOTICE); $a = []; echo $a["foo"]; echo "bar";
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
Warning: Undefined array key "foo" in /in/TjenT on line 7 foo Warning: Undefined array key "foo" in /in/TjenT on line 15 bar
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 Warning: Undefined array key "foo" in /in/TjenT on line 7 foo Warning: Undefined array key "foo" in /in/TjenT on line 15 bar
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Notice: Undefined index: foo in /in/TjenT on line 7 foobar
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142.81 ms | 402 KiB | 173 Q