PHP-da Formani Yuborilgandan Keyin Yashirish

Faraz qilaylik, bizda ikkita son kiritiladigan forma mavjud. Shuningdek, forma yuborilgandan keyin biz bu sonlar yig‘indisini ekranda chiqaramiz:

html<form action="" method="GET">
  <input name="test1">
  <input name="test2">
  <input type="submit">
</form>

<?php
  if (!empty($_GET)) {
    echo $_GET['test1'] + $_GET['test2'];
  }
?>

Keling, forma yuborilgandan keyin yashirilishi uchun shartni qo‘llaymiz. Buning uchun forma kodini shart ichiga joylashtirishimiz kerak:

html<?php
  if (empty($_GET)) {
?>
  <form action="" method="GET">
    <input name="test1">
    <input name="test2">
    <input type="submit">
  </form>
<?php
  } else {
    echo $_GET['test1'] + $_GET['test2'];
  }
?>