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nikolaysimeonov

10.Third Digit is 7

Jun 12th, 2014
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  1. <!doctype html>
  2. <html>
  3. <head>
  4.     <title>10.Third Digit is 7</title>
  5.         <meta charset="windows-1251"/>
  6. </head>
  7. <body>
  8. <h2>Третото число 7 ли е?</h2>
  9. <form action="<?php echo $_SERVER['PHP_SELF'];?>" method="get">
  10. Въведете число: <input name="number" size="10">
  11. <input type="submit" name="send" value="ОК">
  12. </form>
  13. <?php
  14. if(isset ($_GET['send'])) {  
  15. $number = $_GET['number'];  
  16. $digit=($number/100)%10;
  17. //is_numeric($number) - проверява дали стойността е число било то цяло или с плаваща запетая
  18.     if(is_numeric($number) && $digit==7){
  19.         echo $number." True <br/>";
  20.     }
  21.     else if(is_numeric($number) && $digit!=7){
  22.         echo $number." False <br/>";
  23.     }
  24.     else{
  25.         echo "Въведената стойност не число. Въведете число!";
  26.     }      
  27. }
  28. ?>
  29. </body>
  30. </html>
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