3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $b = $a['foo']; $c = $a[1]; $d = 5; $e = $d['bar'];
Output for 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined array key "foo" in /in/ZYUHh on line 4 Warning: Undefined array key 1 in /in/ZYUHh on line 5 Warning: Trying to access array offset on int in /in/ZYUHh on line 7
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/ZYUHh on line 4 Warning: Undefined array key 1 in /in/ZYUHh on line 5 Warning: Trying to access array offset on int in /in/ZYUHh on line 7
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Undefined array key "foo" in /in/ZYUHh on line 4 Warning: Undefined array key 1 in /in/ZYUHh on line 5 Warning: Trying to access array offset on value of type int in /in/ZYUHh on line 7
Output for 7.4.0 - 7.4.33
Notice: Undefined index: foo in /in/ZYUHh on line 4 Notice: Undefined offset: 1 in /in/ZYUHh on line 5 Notice: Trying to access array offset on value of type int in /in/ZYUHh on line 7
Output for 7.3.32 - 7.3.33
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31
Notice: Undefined index: foo in /in/ZYUHh on line 4 Notice: Undefined offset: 1 in /in/ZYUHh on line 5

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