What is the Difference between implode() and explode() functions

Implode(): Using this method we can convert an array into string example  <?php $array = array(‘lastname’, ’email’, ‘phone’); $comma_separated = implode(“,”, $array);echo $comma_separated; // lastname,email,phone ?> explode(): Using this method we can convert a string into array example: <?php // Example 1 $pizza  = “piece1 piece2 piece3 piece4 piece5 piece6″; $pieces = explode(” “, $pizza); echo $pieces[0]; // piece1 echo $pieces[1]; // piece2 ?>