void include ( include with no return)
    //include.php  
    <?php  
    echo 'ABC';  
    ?>

    //buzz.php  
    <?php
    $a = include('include.php);
    echo $a
    ?>
-> Output: ABC1. give me a solution (i know why, needn't explain);
void include ( include with no return)
===

    //include.php  
    <?php  
    echo 'ABC';  
    ?>

    //buzz.php  
    <?php
    $a = include('include.php);
    echo $a
    ?>
-> Output: ABC1. give me a solution (i know why, needn't explain);