Inizializzazione

jquery/jquery-validation-1.9.0/demo/captcha/rand.php

@@ -0,0 +1,11 @@
+<?php
+
+// Create a random string, leaving out 'o' to avoid confusion with '0'
+$char = strtoupper(substr(str_shuffle('abcdefghjkmnpqrstuvwxyz'), 0, 4));
+
+// Concatenate the random string onto the random numbers
+// The font 'Anorexia' doesn't have a character for '8', so the numbers will only go up to 7
+// '0' is left out to avoid confusion with 'O'
+$str = rand(1, 7) . rand(1, 7) . $char;
+
+?>