Question

How to find 2D array (matrix) dimensions (rows, cols) in PHP

Answer 1

$arr = array(
    array(11, 32, 13),
    array(20, 80, 990),
);

echo "rows: " . count($arr) . "<br />\n";
echo "cols: " . count($arr[0]) . "<br />\n";


/*
run:

rows: 2
cols: 3  
   
*/

 

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