Example: 1

	<?php

	$name ="Alex";
	$age=19;

	echo $name;

	?> 


Example: 2

	<?php

	$name ="Alex";
	$age=19;

	echo $age;

	?> 



Example: 3

	<?php

	$name ="Alex";
	$age=19;

	echo "concat"."ination";

	?> 


Example: 4

	<?php

	$name ="Alex";
	$age=19;

	echo "My name is $name and my age is $age.";

	?> 

