[ Bekijk de resultaten van de poll]
<?php$submit=$_POST["submit"]; $antwoord=$_POST["antwoord"];$gestemd=$HTTP_COOKIE_VARS["gestemd"];if (isset($submit)) {setcookie("gestemd","ja",time()+86400);}echo "<h1> Onze poll </h1>\n";echo "<h3> Wat vindt je van deze cursus PHP ? </h3>\n";echo "<form action=\"$_SERVER[PHP_SELF]\" method=\"post\">\n";echo "<input type=\"radio\" name=\"antwoord\" value=\"0\">\n";echo "Zeer eenvoudig<br>\n";echo "<input type=\"radio\" name=\"antwoord\" value=\"1\">\n";echo "Goed verstaanbaar<br>\n";echo "<input type=\"radio\" name=\"antwoord\" value=\"2\">\n";echo "Ik begrijp er niets van<br><br>\n";if (empty($submit) && empty($gestemd) && empty($antwoord)) {echo "<input name=\"submit\" type=\"submit\" value=\"Stemuitbrengen\"\n";}else {echo "<p> Bedankt voor jouw stem !</p>\n";if (isset($submit) && isset($antwoord) &&empty($HTTP_COOKIE_VARS["gestemd"])) {$result="result.txt";$pointer=fopen($result,"r+");$poll=fread($pointer,filesize($result));$poll=trim($poll);$poll=explode(",",$poll);$poll[$antwoord]++;$poll=$poll[0] . "," . $poll[1] . "," . $poll[2] . ",";rewind($pointer);fputs($pointer,$poll);fclose($pointer);}}echo "</form>\n";echo "<p>[ <a href=\"polluitslag.php\" target=\"_blank\">Bekijk deresultaten van de poll</a>]</p><br>\n";show_source(__FILE__);?>