Online PHP editor | refs for 2oM5J

<?php $students = array( 'John' => array( "unit1" => "76", "unit2" => "62", "unit3" => "56", "unit4" => "60", ), 'Tom' => array( "unit1" => "62", "unit2" => "82", "unit3" => "56", "unit4" => "47", ), 'Jane' => array( "unit1" => "52", "unit2" => "62", "unit3" => "66", "unit4" => "80", ), 'Jess' => array( "unit1" => "72", "unit2" => "52", "unit3" => "72", "unit4" => "65", ), ); print_r($scores);