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nikolaysimeonov

11.Numbers from 1 to n

Jun 12th, 2014
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  1. <!doctype html>
  2. <html>
  3. <head>
  4.     <title>11.Numbers from 1 to n</title>
  5.         <meta charset="windows-1251"/>
  6. </head>
  7. <body>
  8. <h2>Номера от 1 до n</h2>
  9. <form action="<?php echo $_SERVER['PHP_SELF'];?>" method="get">
  10. Въведете цяло число: <input name="number" size="10">
  11. <input type="submit" name="send" value="ОК">
  12. </form>
  13. <?php
  14. if(isset ($_GET['send'])) {  
  15. $number = $_GET['number'];  
  16. //ctype_digit($number) - проверява дали стойността е цяло число
  17.     if(ctype_digit($number)){
  18.         for ($i=1;$i<=$number; $i++){
  19.             echo $i."<br/>";
  20.         }
  21.     }
  22.     else{
  23.         echo "Въведената стойност не е цяло число. Въведете цяло число!";
  24.     }
  25. }
  26. ?>
  27. </body>
  28. </html>
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