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Debashis Pati
Debashis Pati
3,864 Points

Uncaught Error: Call to a member function isPalprime() on null in palprimes.php:11

<?php

include("class.palprimechecker.php"); $checker = new PalprimeChecker(); $checker->number = 17;

echo "The number " .$checker->number." "; if ($checher->isPalprime()) { echo "is"; } else { echo "is not"; }

echo " a palprime.";

?>

palprimes.php
<?php

include("class.palprimechecker.php");
$checker = new PalprimeChecker();
$checker->number = 17;




echo "The number " .$checker->number." ";
if ($checher->isPalprime()) {
    echo "is";
}
else {
    echo "is not";
}

echo " a palprime.";

?>

1 Answer

Hi Debashis,

It looks like it's just a typo.

if ($checher->isPalprime()) {

You have checher and it should be checker