A)—>PHP is used to develop Web Applications.—>It is open source scripting language.—>PHP is an object-oriented language. PHP Variables ————- —>A variable is a temporary storage that is used to store data temporarily.—>In PHP, a variable is declared using $ sign followed by variable name.
Syntax:
-------
<?php
$str="hello string";
$x=200;
$y=44.6;
echo "string is: $str <br/>";
echo "integer is: $x <br/>";
echo "float is: $y <br/>";
?> 
