"> What will be the output of the following PHP code?<?phpdefine('IF',
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  1. What will be the output of the following PHP code?
    <?php
    define('IF', 102); 
    echo "IF: ", IF;
    ?>
    1. Error
    2. Nothing
    3. 102
    4. IF:102
    5. None of these
Correct Option: A

A keyword like IF cannot be used as constant names.


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