each in PHP code example

Example 1: php foreach

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

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

Example 2: foreach php

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

Example 3: php foreach

<?php
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");

foreach($age as $x => $val) {
  echo "$x = $val<br>";
}
?>

Example 4: for each php

<?php
foreach (array(1, 2, 3, 4) as &$value) {
    $value = $value * 2;
}
?>