php how to concatenate one variable between two strings code example

Example 1: php concat variable and string

<?php
  $name = "Paul";	
  $age = 26;

  echo "My name is {$name}, I'm {$age} years old ";

Example 2: php concatenate two variables

$string = "the color is ";
$string .= "red";

echo $string; // gives: the color is red