php build array in loop code example

Example 1: php array loop

foreach($array as $i => $item) {
    echo $item[$i]['filename'];
    echo $item[$i]['filepath'];

    // $array[$i] is same as $item
}

Example 2: php array loop

for ($i = 0; $i < count($array); $i++) {
    echo $array[$i]['filename'];
    echo $array[$i]['filepath'];
}

Example 3: php loop array

<?php
$arr = array(1, 2, 3, 4);
foreach ($arr as &$value) {
    $value = $value * 2;
}
// $arr is now array(2, 4, 6, 8)
unset($value); // break the reference with the last element
?>

Example 4: array loop function php

foreach (array_expression as $value)
    statement
foreach (array_expression as $key => $value)
    statement