/ Published in: PHP
This produces a JPG image with a calculation for spam-prevention. (with german written numbers)
An alternative to captcha images.
An alternative to captcha images.
Expand |
Embed | Plain Text
Copy this code and paste it in your HTML
<?php $words = array("[eins]","[zwei]","[drei]","[vier]","[fünf]","[sechs]","[sieben]","[acht]","[neun]"); $plus = "+"; $ergebnis = $num[$first] + $num[$second]; $showcode = $words[$first] . " + " . $words[$second] . " = "; $_SESSION['mmmath'] = $ergebnis; #echo $showcode; #echo $ergebnis; $height = 20; #$width = 225; #$bordercolor = imagecolorallocate($image, 80, 80, 80); #imagerectangle($image,0,0,$width-1,$height-1,$bordercolor); ?>