Online PHP editor | output for pnMvU

<?php $ratingHistory = [ "BB", "B", "CCC", "C", "BB" ]; function getMinMax($array): array { $result = ['min' => null, 'max' => null]; foreach ($array as $value) { if ( !$result['min'] || (!trim($value, $result['min']) ? $value < $result['min'] : $value > $result['min']) ) { $result['min'] = $value; } if ( !$result['max'] || (!trim($value, $result['max']) ? $value > $result['max'] : $value < $result['max']) ) { $result['max'] = $value; } } return $result; } var_export(getMinMax($ratingHistory));