{"id":752,"date":"2014-05-19T06:22:09","date_gmt":"2014-05-19T10:22:09","guid":{"rendered":"http:\/\/www.searchenginegenie.com\/programming-blog\/?p=752"},"modified":"2015-07-27T08:35:30","modified_gmt":"2015-07-27T12:35:30","slug":"simple-capcha-using-php","status":"publish","type":"post","link":"https:\/\/www.searchenginegenie.com\/programming-blog\/simple-capcha-using-php\/","title":{"rendered":"Simple Capcha using php"},"content":{"rendered":"

Capcha Code:<\/strong><\/p>\n

Save this code as “capcha.php”<\/p>\n

[php]<\/p>\n

<?php
\nsession_start();
\n$text = rand(10000,99999);
\n$_SESSION[“vercode”] = $text;
\n$height = 25;
\n$width = 65;<\/p>\n

$image_p = imagecreate($width, $height);
\n$black = imagecolorallocate($image_p, 0, 0, 0);
\n$white = imagecolorallocate($image_p, 255, 255, 255);
\n$font_size = 14;<\/p>\n

imagestring($image_p, $font_size, 5, 5, $text, $white);
\nimagejpeg($image_p, null, 80);
\n?>
\n[\/php]<\/p>\n

——————————————————————————————————
\nHTML:<\/strong><\/p>\n

<img src=”capcha.php” alt=”” align=”top” \/>\u00a0<input id=”vercode” class=”cap” name=”vercode” type=”text” align=”texttop” \/>
\n<div><\/p>\n

<input class=”sub” name=”subi” type=”submit” value=”Register” \/><\/p>\n

<\/div><\/p>\n

\"\"\u00a0<\/p>\n

\n

<\/p>\n<\/div>\n

Must set session to use the capcha<\/p>\n

PHP Code for the html page:<\/strong><\/p>\n

[php]
\n<?php if ($_POST[“vercode”] != $_SESSION[“vercode”])
\n{
\nheader(“location:contact.php?ver”); \/\/incorrect verification code }
\n?>
\n[\/php]<\/p>\n","protected":false},"excerpt":{"rendered":"

Capcha Code: Save this code as “capcha.php” [php] <?php session_start(); $text = rand(10000,99999); $_SESSION[“vercode”] = $text; $height = 25; $width = 65; $image_p = imagecreate($width, $height); $black = imagecolorallocate($image_p, 0, 0, 0); $white = imagecolorallocate($image_p, 255, 255, 255); $font_size = 14; imagestring($image_p, $font_size, 5, 5, $text, $white); imagejpeg($image_p, null, 80); ?> [\/php] —————————————————————————————————— HTML: <img […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13,43,1],"tags":[],"class_list":["post-752","post","type-post","status-publish","format-standard","hentry","category-php","category-programmer","category-programming"],"_links":{"self":[{"href":"https:\/\/www.searchenginegenie.com\/programming-blog\/wp-json\/wp\/v2\/posts\/752","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.searchenginegenie.com\/programming-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.searchenginegenie.com\/programming-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.searchenginegenie.com\/programming-blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.searchenginegenie.com\/programming-blog\/wp-json\/wp\/v2\/comments?post=752"}],"version-history":[{"count":6,"href":"https:\/\/www.searchenginegenie.com\/programming-blog\/wp-json\/wp\/v2\/posts\/752\/revisions"}],"predecessor-version":[{"id":788,"href":"https:\/\/www.searchenginegenie.com\/programming-blog\/wp-json\/wp\/v2\/posts\/752\/revisions\/788"}],"wp:attachment":[{"href":"https:\/\/www.searchenginegenie.com\/programming-blog\/wp-json\/wp\/v2\/media?parent=752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.searchenginegenie.com\/programming-blog\/wp-json\/wp\/v2\/categories?post=752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.searchenginegenie.com\/programming-blog\/wp-json\/wp\/v2\/tags?post=752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}