how to take foreach loop variable in array in php code example

Example 1: foreach loop array php

foreach (array as $value){ 
  //code to be executed; 
  print("value : $value");
} 

foreach (array as  $key => $value){ 
  //code to be executed; 
  print("key[$key] => $value");
}

Example 2: php foreach array

$arr = array(1, 2, 3);
foreach ($arr as $key => $value) {
    echo "{$key} => {$value} ";
}