loop number in foreach php code example

Example 1: loop through php array

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

Example 2: php loop through array

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

    // to know what's in $item
    echo '<pre>'; var_dump($item);
}