php array loop

1$clothes = array("hat","shoe","shirt");
2foreach ($clothes as $item) {
3	echo $item;
4}

1for ($i = 0; $i < count($array); $i++) {
2    echo $array[$i]['filename'];
3    echo $array[$i]['filepath'];
4}

1$arr = ['Item 1', 'Item 2', 'Item 3'];
2
3foreach ($arr as $item) {
4  var_dump($item);
5}

1foreach($array as $i => $item) {
2    echo $item[$i]['filename'];
3    echo $item[$i]['filepath'];
4
5    // $array[$i] is same as $item
6}

1$letters = ['a','b','c'];
2foreach ($letters as $item) {
3  echo $item;
4}

1foreach($array as $item) {
2    echo $item['filename'];
3    echo $item['filepath'];
4
5    // to know what's in $item
6    echo '<pre>'; var_dump($item);
7}