<?php

$array = 
    [   
        ["1",           "2",            "3"         ],
        ["7",           "10",           "8"         ],
        ["Artes 1",     "Artes 2",      "Artes 3"   ],
        ["artes1",      "artes2",       "artes3"    ]
    ];
    
    
    
    
    
foreach ($array as $key => $row){

    foreach ($array[$key] as $key2 => $row2){

        echo $row2;

    }

}


echo '<p>===================================</p>';


echo '<pre>';print_r($array);echo '</pre>';