Question

How to declare, initialize and print 2D array (matrix) in PHP

Answer 1

$arr = array(     
             array(1, 2, 3, 5),  
             array(4, 5, 6, 5),  
             array(7, 8, 9, 5)  
           );  
   
$rows = count($arr);  
$cols = count($arr[0]);  
   
for ($i = 0; $i < $rows; $i++) {  
    for ($j = 0; $j < $cols; $j++) {  
        echo $arr[$i][$j] . " ";
    }  
    echo "\n";
}  
   




/*
run:

1 2 3 5 
4 5 6 5 
7 8 9 5 

*/

 

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