3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = [ "First" =>[ "Name" => "John", "Id" => 123 ], "Second" =>[ "Name" => "Peter", "Id" => 45 ] ]; $arr2 = [ "First" =>[ "Age" => 34, "Id" => 123 ], "Second" =>[ "Age" => 34, "Id" => 45 ] ]; print_r(array_replace_recursive($arr1, $arr2));
Output for 5.6.38, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 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
Array ( [First] => Array ( [Name] => John [Id] => 123 [Age] => 34 ) [Second] => Array ( [Name] => Peter [Id] => 45 [Age] => 34 ) )
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 Array ( [First] => Array ( [Name] => John [Id] => 123 [Age] => 34 ) [Second] => Array ( [Name] => Peter [Id] => 45 [Age] => 34 ) )
preferences:
151.77 ms | 402 KiB | 173 Q