PHPize Online / SQLize Online  /  SQLtest Online

<?php $connections = [ [ 'src_ip' => '5B---45A', 'src_port' => 48755, 'dst_ip' => '0A---223', 'dst_port' => 443, 'device_id' => 22040 ], [ 'src_ip' => '5B---45A', 'src_port' => 48754, 'dst_ip' => '0A---223', 'dst_port' => 443, 'device_id' => 22040 ], [ 'src_ip' => '11---D2B', 'src_port' => 443, 'dst_ip' => '5B---45A', 'dst_port' => 54267, 'device_id' => 22040 ], [ 'src_ip' => '11---D2B', 'src_port' => 443, 'dst_ip' => '5B---45A', 'dst_port' => 54267, 'device_id' => 22039 ], [ 'src_ip' => '11---D2B', 'src_port' => 443, 'dst_ip' => '0A---223', 'dst_port' => 54267, 'device_id' => 22040 ] ]; $src = array_column($connections, 'src_ip'); $dst = array_column($connections, 'dst_ip'); $count = array_count_values(array_merge($src, $dst)); $max = array_search(max($count), $count); print_r($count); print $max;