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run code in 300+ PHP versions simultaneously
<?php $a = array(1=>1, 3=>3, 5=>5, 7=>7); $a = new ArrayObject($a); foreach ($a as $k => $v) { var_dump("$k => $v"); if ($k == 3) { $a['a'] = "?"; } } ?>
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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
string(6) "1 => 1" string(6) "3 => 3" string(6) "5 => 5" string(6) "7 => 7" string(6) "a => ?"
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 string(6) "1 => 1" string(6) "3 => 3" string(6) "5 => 5" string(6) "7 => 7" string(6) "a => ?"
preferences:
231.52 ms | 402 KiB | 288 Q