3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( 'Test' => 1, 'OtherKey' => 2, ); $keyTranslation = array( 'OtherKey' => 'other_key', 'Test' => 'test', ); function test(&$arr, $keyTranslation) { foreach ($arr as $key => $value) { var_dump($key); $arr["'".$keyTranslation[$key]."'"] = $value; unset($arr[$key]); } } test($arr, $keyTranslation);
Output for 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(4) "Test" string(8) "OtherKey"
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(4) "Test" string(8) "OtherKey"
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
string(4) "Test" string(8) "OtherKey" string(6) "'test'" Notice: Undefined index: 'test' in /in/8hkg1 on line 14 string(11) "'other_key'" Notice: Undefined index: 'other_key' in /in/8hkg1 on line 14 string(2) "''" Notice: Undefined index: '' in /in/8hkg1 on line 14
preferences:
213.58 ms | 402 KiB | 330 Q