php echo variable

1<?php
2  echo "Hello World!";
3// You can also do this with a variable:
4$YourVariable = "Hello World!";
5echo $YourVariable;
6?>

1<?php
2  $name = "John Doe";
3  echo "Hey $name!";
4?>

1echo '<img src="' . $Variable . '">';

1<?php 
2$string = "Hello, World!";
3echo $string;
4?>

1echo 'Hello '.$variableName.'!';