<?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);
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