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run code in 300+ PHP versions simultaneously
<?php $test = [ 0 => 1, 1 => 2, 2 => 3, 3 => 4 ]; foreach ($test as $k => $v) { if ($k == 1) { unset($test[2]); unset($test[3]); } echo "$k => $v\n"; }
Output for 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
0 => 1 1 => 2 2 => 3 3 => 4
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 0 => 1 1 => 2 2 => 3 3 => 4
preferences:
185.11 ms | 402 KiB | 201 Q