3v4l.org

run code in 300+ PHP versions simultaneously
<?php $users_emails = array('Spence', 'Matt', 'Marc', 'Adam', 'Paul'); $current = 'Marc'; $keys = array_keys($users_emails); print_r($keys); print_r(array_search($current,$keys)); $ordinal = (array_search($current,$keys)+1); echo $ordinal; $next = $users_emails[$ordinal]; echo $next;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Array ( [0] => 0 [1] => 1 [2] => 2 [3] => 3 [4] => 4 ) 1Matt
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 ( [0] => 0 [1] => 1 [2] => 2 [3] => 3 [4] => 4 ) 1Matt
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
Array ( [0] => 0 [1] => 1 [2] => 2 [3] => 3 [4] => 4 ) 01Matt
preferences:
122.84 ms | 402 KiB | 201 Q