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Editorial Team
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Asked: 2026-05-31T16:11:59+00:00

I am just starting to learn a little about PHP; having trouble with the

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I am just starting to learn a little about PHP; having trouble with the following code using IF || to check multiple statments from a form. here is my code; can someone give me some pointers?

  <html>
<body>
<?php
if (((($_POST['first_name']== null) || ($_POST['last_name']== null) || ($_POST['email']== null) || ($_POST['comments']== null)))) {
echo "Error one or more fields have been left empty please complete all details marked with a *.";}

else {

echo $_POST['first_name']; <br />
echo $_POST['last_name']; <br />
echo $_POST['email']; <br />
echo $_POST['telephone']; <br />
echo $_POST['comments']; <br />
}
?>
</body>
</html>
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1 Answer

  1. Editorial Team

    You may be better off with:

    if( !$_POST['first_name']) echo "You left the First Name blank";
elseif( !$_POST['last_name']) echo "You left the Last Name blank";
elseif( !$_POST['email']) echo "You left the Email blank";
elseif( !$_POST['telephone']) echo "You left the Telephone blank";
elseif( !$_POST['comments']) echo "You left the Comments blank";
else {
    // do magic here.
}

    You can customise the error messages, of course, and maybe do some stuff like highlight the boxes that were left empty to allow the user to see more clearly what they missed.

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