PHP TUTORIALS
<? php $variable1 = 2; $variable2 = 9; $variable3 = $varilable1 + $variable2; echo $variable3; ?> the above code results in following 11 ---------------------------------------------------------------------------------------------- <? php $variable1 = 2; $variable2 = 9; $variable3 = $varilable1 + $variable2; echo $variable1."+".$variable2."=".$variable3; ?> Both of the above code examples result in 2+9 = 11