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    Note that var_dump() function is used to evaluate the relational operators. We get the following
                     output when executing the preceding script:

                      Logical operators: They are used to combine multiple conditions and evaluate them. They return
                     a Boolean value ‘True’ or ‘False’ as result. Logical operators of PHP are AND(&&), OR (||), XOR(^),
                     NOT(!). Let us create a PHP script to use some of the logical operators.

                    <HTML>

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

                    <?php

                    $a = true;
                    $b = false;

                    echo var_dump($a and $b);

                    echo "<br>",var_dump($a or $b);

                    echo "<br>",var_dump($a xor $b);
                    ?>

                    </BODY>

                    </HTML>
                      Note that var_dump() function is used to evaluate the logical operators. We get the following output
                     when executing the preceding script:

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