loop through php array

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

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

1foreach (array as $value){ 
2  //code to be executed; 
3  print("value : $value");
4} 
5
6foreach (array as  $key => $value){ 
7  //code to be executed; 
8  print("key[$key] => $value");
9} 

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

1foreach (array_expression as $value)
2    statement
3foreach (array_expression as $key => $value)
4    statement

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}