3v4l.org

run code in 300+ PHP versions simultaneously
<?php $scores = [ 'user_a' => [75, 67, 80, 90, 20, 80], 'user_b' => [65, 70, 80, 90, 20, 80], 'user_c' => [56, 70, 75, 80, 50, 70], 'user_d' => [40, 50, 89, 56, 45, 78], 'user_e' => [60, 80, 90, 78, 80, 76], ]; $max = array_map( 'max', array_map(null, ...array_values($scores)) ); print_r($max);
Output for 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
Array ( [0] => 75 [1] => 80 [2] => 90 [3] => 90 [4] => 80 [5] => 80 )
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] => 75 [1] => 80 [2] => 90 [3] => 90 [4] => 80 [5] => 80 )
preferences:
148.12 ms | 402 KiB | 156 Q