how to iterate over list in php code example

Example 1: php iterate through array

$arr = ['Item 1', 'Item 2', 'Item 3'];

foreach ($arr as $item) {
  var_dump($item);
}

Example 2: how to iterate through php array

$ar = ['Rudi', 'Morie', 'Halo', 'Miki'];

for ($i=0, $len=count($ar); $i<$len; $i++) {
    echo "$ar[$i] \n";
}
/*
Rudi 
Morie 
Halo 
Miki 
*/