Page 113 - Trackpad_V4.0_c7_Flpbook
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<HTML>

                   <HEAD> <TITLE> Using Variables </TITLE> </HEAD>

                   <BODY>
                   <?php

                   $a = 10;
                                                                             Use of + operator
                   $b = 5;
                                                                                          Use of - operator
                   echo "The sum of two numbers is ", $a+$b;
                   echo "<br>The difference of two numbers is ", $a-$b;

                   echo "<br>The product of two numbers is ", $a*$b;
                                                                                        Use of * operator
                   ?>

                   </BODY>
                   </HTML>
                     Note that the <br> tag is used to print the text in next line. We get the following output by executing
                   the preceding script:
















                    Relational operators: These operators help to compare quantities and return Boolean value ‘True’ or
                   ‘False’ as a result. Relational operators of PHP are ==, !=, >, <, >=, and <=. Let us create a PHP script to
                   use some of the relational operators.

                    <HTML>

                   <HEAD> <TITLE> Using Variables </TITLE> </HEAD>
                   <BODY>
                   <?php

                   $a = 10;
                   $b = 5;
                   echo "a is greater than b: ", var_dump($a>$b);

                   echo "<br>a is less than b: ", var_dump($a==$b);
                   echo "<br>a is equal to b: ", var_dump($a>=$b);
                   ?>

                   </BODY>
                   </HTML>




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