put in array in loop php code example

Example 1: php loop array

<?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
?>

Example 2: loop array in php

<?php 
$colors = array("red", "green", "blue", "yellow"); 

 
foreach ($colors as $value) {
  echo "$value <br>";
}
?>