Two Dimensional Array in PHP

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Two Dimensional array can be defined as a multidimensional array in PHP program. Two Dimensional Array represented as the collection of rows and columns.

Declaration of Two Dimensional Array:

To declare the 2D array in PHP programming language.

Syntax:-

 <?php
// Declare a 2D array (e.g., 3 rows, 3 columns)
$Array_name = [
    [1, 2, 3],
    [4, 5, 6],
    [7, 8, 9]
];
?>

Example:-

<?php
$rows = 4;
$cols = 5;
$a = [];

for ($i = 0; $i < $rows; $i++) {
    $a[$i] = array_fill(0, $cols, 0); // Fill each row with 5 zeros
}
?>

Here, a is Two-dimensional array, this array can hold 6 elements.

PHP 2D Array

Initialization of Two Dimensional Array:

Multidimensional arrays initialized by specifying bracketed values for every row.

<?php
$score = [
    [100, 221],
    [59, 54],
    [10, 21]
];
?>

Example:-

<?php
$score = [
    [100, 221],
    [59, 54],
    [10, 21]
];

for ($i = 0; $i < 3; $i++) {
    for ($j = 0; $j < 2; $j++) {
        echo "Element[$i][$j] = " . $score[$i][$j] . "\n";
    }
}
?>
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