php loop array

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

<?php
$salary[]=2000;
$salary[]=3000;
$salary[]=5000;

foreach($salary as $value){
  echo "Salary: $value<br>";
}
?>

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

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

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

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

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

<?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
?>

foreach($array as $item=>$values){
     echo $values->filepath;
    }

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

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