nrutman · October 13, 2015 17:25
diff --git a/ios-chrome-cookie-bug.php b/ios-chrome-cookie-bug.php
 <?php

 /**
 * This file will produce a duplicate cookie for "test_cookie" ONLY on the
 * iOS version of Google Chrome. This confuses web servers on the following
 * request and can result in unintended behavior.
 */

 $name = 'test_cookie';
 $path = '/';
 $domain = '.' . $_SERVER['HTTP_HOST'];

 // delete the cookie while specifying the domain
 setcookie($name, '', time()-3600, $path, $domain);

 // delete the cookie WITHOUT the domain
 // this results in a duplicate cookie on Chrome / iOS
 setcookie($name, '', time()-3600, $path);

 // set the new value of the cookie
 setcookie($name, 'test_value', time() + (7 * 24 * 60 * 60), $path, $domain);
 ?>


 <!DOCTYPE html>
 <html>
    <head>
        <meta charset="utf-8">
        <title>Cookie Test</title>
        <script src="//code.jquery.com/jquery-2.1.4.min.js" charset="utf-8"></script>

        <script type="text/javascript">
            /**
             * On the client, read in the cookies and render them in the log
             */
            $(function() {
                var cookies = document.cookie.split('; ');
                for (var i=0; i<cookies.length; i++) {
                    var cookie = cookies[i].split('=');
                    $('#log').append('<li><span class="cookie-name">' + cookie[0] + '</span><span class="cookie-value">' + cookie[1] + '</span></li>')
                }
            });
        </script>

        <style>
            /**
             * Basic styles for the log
             */

            body {
                max-width: 1000px;
                margin: 2em auto;
            }

            #log {
                background-color: #eee;
                border: 2px solid #ccc;
                border-radius: 10px;
                font: 16px monospace;
                list-style: none;
                margin: 0;
                padding: 16px;
            }

            #log .cookie-name {
                color: green;
                font-weight: bold;
            }

            #log .cookie-name:after {
                content: ' = ';
                color: #999;
            }

            #log .cookie-value:before,
            #log .cookie-value:after {
                content: '"';
                color: #999;
                font-weight: bold;
            }
        </style>

    </head>
    <body>
        <!-- The log / console for displaying cookie values -->
        <h1>Cookie Console</h1>
        <ul id="log"></ul>
    </body>
 </html>
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