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ftr_compatibility_test.php
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<?php
/*
FULL-TEXT-RSS V2 COMPATIBILITY TEST
1) Upload ftr_compatibility_test.php to the web-accessible root of your website.
For example, if your website is www.example.com, upload it so that you can get
to it at www.example.com/ftr_compatibility_test.php
2) Open your web browser and go to the page you just uploaded.
Note: This compatibility test has been borrowed (and slightly adapted) from the one supplied by
SimplePie.org. We have kept most of their checks intact as we use SimplePie in our application.
http://github.com/simplepie/simplepie/tree/master/compatibility_test/
*/
$app_name = 'Full-Text RSS v2';
// test redirect
$url = parse_url('http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']);
$redirect_url = 'http://'.$url['host'].$url['path'].'?redirect=true';
if (isset($_GET['redirect'])) {
$url = parse_url('http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']);
$url = 'http://'.$url['host'].$url['path'].'?redirected=true';
header('Location: '.$url);
exit;
}
if (isset($_GET['redirected'])) {
die('Redirect works');
}
$php_ok = (function_exists('version_compare') && version_compare(phpversion(), '5.2.0', '>='));
$pcre_ok = extension_loaded('pcre');
$zlib_ok = extension_loaded('zlib');
$mbstring_ok = extension_loaded('mbstring');
$iconv_ok = extension_loaded('iconv');
$tidy_ok = function_exists('tidy_parse_string');
$curl_ok = function_exists('curl_exec');
$http_ok = (extension_loaded('http') && class_exists('HttpRequestPool'));
$allow_url_fopen_ok = (bool)ini_get('allow_url_fopen');
$redirect_ok = ($allow_url_fopen_ok && file_get_contents($redirect_url) == 'Redirect works');
if (extension_loaded('xmlreader')) {
$xml_ok = true;
} elseif (extension_loaded('xml')) {
$parser_check = xml_parser_create();
xml_parse_into_struct($parser_check, '<foo>&</foo>', $values);
xml_parser_free($parser_check);
$xml_ok = isset($values[0]['value']);
} else {
$xml_ok = false;
}
header('Content-type: text/html; charset=UTF-8');
?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html lang="en">
<head>
<title><?php echo $app_name; ?>: Server Compatibility Test</title>
<style type="text/css">
body {
font:14px/1.4em "Lucida Grande", Verdana, Arial, Helvetica, Clean, Sans, sans-serif;
letter-spacing:0px;
color:#333;
margin:0;
padding:0;
background:#fff;
}
div#site {
width:550px;
margin:20px auto 0 auto;
}
a {
color:#000;
text-decoration:underline;
padding:0 1px;
}
a:hover {
color:#fff;
background-color:#333;
text-decoration:none;
padding:0 1px;
}
p {
margin:0;
padding:5px 0;
}
em {
font-style:normal;
background-color:#ffc;
padding: 0.1em 0;
}
ul, ol {
margin:10px 0 10px 20px;
padding:0 0 0 15px;
}
ul li, ol li {
margin:0 0 7px 0;
padding:0 0 0 3px;
}
h2 {
font-size:18px;
padding:0;
margin:30px 0 20px 0;
}
h3 {
font-size:16px;
padding:0;
margin:20px 0 5px 0;
}
h4 {
font-size:14px;
padding:0;
margin:15px 0 5px 0;
}
code {
font-size:1.1em;
background-color:#f3f3ff;
color:#000;
}
em strong {
text-transform: uppercase;
}
table#chart {
border-collapse:collapse;
}
table#chart th {
background-color:#eee;
padding:2px 3px;
border:1px solid #fff;
}
table#chart td {
text-align:center;
padding:2px 3px;
border:1px solid #eee;
}
table#chart tr.enabled td {
/* Leave this alone */
}
table#chart tr.disabled td,
table#chart tr.disabled td a {
color:#999;
font-style:italic;
}
table#chart tr.disabled td a {
text-decoration:underline;
}
div.chunk {
margin:20px 0 0 0;
padding:0 0 10px 0;
border-bottom:1px solid #ccc;
}
.footnote,
.footnote a {
font:10px/12px verdana, sans-serif;
color:#aaa;
}
.footnote em {
background-color:transparent;
font-style:italic;
}
</style>
</head>
<body>
<div id="site">
<div id="content">
<div class="chunk">
<h2 style="text-align:center;"><?php echo $app_name; ?>: Compatibility Test</h2>
<table cellpadding="0" cellspacing="0" border="0" width="100%" id="chart">
<thead>
<tr>
<th>Test</th>
<th>Should Be</th>
<th>What You Have</th>
</tr>
</thead>
<tbody>
<tr class="<?php echo ($php_ok) ? 'enabled' : 'disabled'; ?>">
<td>PHP</td>
<td>5.2.0 or higher</td>
<td><?php echo phpversion(); ?></td>
</tr>
<tr class="<?php echo ($xml_ok) ? 'enabled, and sane' : 'disabled, or broken'; ?>">
<td><a href="http://php.net/xml">XML</a></td>
<td>Enabled</td>
<td><?php echo ($xml_ok) ? 'Enabled, and sane' : 'Disabled, or broken'; ?></td>
</tr>
<tr class="<?php echo ($pcre_ok) ? 'enabled' : 'disabled'; ?>">
<td><a href="http://php.net/pcre">PCRE</a></td>
<td>Enabled</td>
<td><?php echo ($pcre_ok) ? 'Enabled' : 'Disabled'; ?></td>
</tr>
<tr class="<?php echo ($zlib_ok) ? 'enabled' : 'disabled'; ?>">
<td><a href="http://php.net/zlib">Zlib</a></td>
<td>Enabled</td>
<td><?php echo ($zlib_ok) ? 'Enabled' : 'Disabled'; ?></td>
</tr>
<tr class="<?php echo ($mbstring_ok) ? 'enabled' : 'disabled'; ?>">
<td><a href="http://php.net/mbstring">mbstring</a></td>
<td>Enabled</td>
<td><?php echo ($mbstring_ok) ? 'Enabled' : 'Disabled'; ?></td>
</tr>
<tr class="<?php echo ($iconv_ok) ? 'enabled' : 'disabled'; ?>">
<td><a href="http://php.net/iconv">iconv</a></td>
<td>Enabled</td>
<td><?php echo ($iconv_ok) ? 'Enabled' : 'Disabled'; ?></td>
</tr>
<tr class="<?php echo ($tidy_ok) ? 'enabled' : 'disabled'; ?>">
<td><a href="http://php.net/tidy">Tidy</a></td>
<td>Enabled</td>
<td><?php echo ($tidy_ok) ? 'Enabled' : 'Disabled'; ?></td>
</tr>
<tr class="<?php echo ($curl_ok) ? 'enabled' : 'disabled'; ?>">
<td><a href="http://php.net/curl">cURL</a></td>
<td>Enabled</td>
<td><?php echo (extension_loaded('curl')) ? 'Enabled' : 'Disabled'; ?></td>
</tr>
<tr class="<?php echo ($http_ok) ? 'enabled' : 'disabled'; ?>">
<td><a href="http://php.net/HttpRequestPool">HttpRequestPool</a></td>
<td>Enabled</td>
<td><?php echo ($http_ok) ? 'Enabled' : 'Disabled'; ?></td>
</tr>
<tr class="<?php echo ($allow_url_fopen_ok) ? 'enabled' : 'disabled'; ?>">
<td><a href="http://www.php.net/manual/en/filesystem.configuration.php#ini.allow-url-fopen">allow_url_fopen</a></td>
<td>Enabled</td>
<td><?php echo ($allow_url_fopen_ok) ? 'Enabled' : 'Disabled'; ?></td>
</tr>
<tr class="<?php echo ($redirect_ok) ? 'enabled' : 'disabled'; ?>">
<td>HTTP Redirects</td>
<td>Enabled</td>
<td><?php echo ($redirect_ok) ? 'Enabled' : 'Disabled'; ?></td>
</tr>
</tbody>
</table>
</div>
<div class="chunk">
<h3>What does this mean?</h3>
<ol>
<?php if ($php_ok && $xml_ok && $pcre_ok && $mbstring_ok && $iconv_ok && $zlib_ok && $tidy_ok && $curl_ok && $http_ok && $allow_url_fopen_ok && $redirect_ok): ?>
<li><em>You have everything you need to run <?php echo $app_name; ?> properly! Congratulations!</em></li>
<?php else: ?>
<?php if ($php_ok): ?>
<li><strong>PHP:</strong> You are running a supported version of PHP. <em>No problems here.</em></li>
<?php if ($xml_ok): ?>
<li><strong>XML:</strong> You have XMLReader support or a version of XML support that isn't broken installed. <em>No problems here.</em></li>
<?php if ($pcre_ok): ?>
<li><strong>PCRE:</strong> You have PCRE support installed. <em>No problems here.</em></li>
<?php if ($allow_url_fopen_ok): ?>
<li><strong>allow_url_fopen:</strong> You have allow_url_fopen enabled. <em>No problems here.</em></li>
<?php if ($zlib_ok): ?>
<li><strong>Zlib:</strong> You have <code>Zlib</code> enabled. This allows SimplePie to support GZIP-encoded feeds. <em>No problems here.</em></li>
<?php else: ?>
<li><strong>Zlib:</strong> The <code>Zlib</code> extension is not available. SimplePie will ignore any GZIP-encoding, and instead handle feeds as uncompressed text.</li>
<?php endif; ?>
<?php if ($mbstring_ok && $iconv_ok): ?>
<li><strong>mbstring and iconv:</strong> You have both <code>mbstring</code> and <code>iconv</code> installed! This will allow <?php echo $app_name; ?> to handle the greatest number of languages. <em>No problems here.</em></li>
<?php elseif ($mbstring_ok): ?>
<li><strong>mbstring:</strong> <code>mbstring</code> is installed, but <code>iconv</code> is not.</li>
<?php elseif ($iconv_ok): ?>
<li><strong>iconv:</strong> <code>iconv</code> is installed, but <code>mbstring</code> is not.</li>
<?php else: ?>
<li><strong>mbstring and iconv:</strong> <em>You do not have either of the extensions installed.</em> This will significantly impair your ability to read non-English feeds, as well as even some English ones.</li>
<?php endif; ?>
<?php if ($tidy_ok): ?>
<li><strong>Tidy:</strong> You have <code>Tidy</code> support installed. <em>No problems here.</em></li>
<?php else: ?>
<li><strong>Tidy:</strong> The <code>Tidy</code> extension is not available. <?php echo $app_name; ?> should still work with most feeds, but you may experience problems with some.</li>
<?php endif; ?>
<?php if ($curl_ok): ?>
<li><strong>cURL:</strong> You have <code>cURL</code> support installed. <em>No problems here.</em></li>
<?php else: ?>
<li><strong>cURL:</strong> The <code>cURL</code> extension is not available. SimplePie will use <code>fsockopen()</code> instead.</li>
<?php endif; ?>
<?php if ($http_ok): ?>
<li><strong>HttpRequestPool:</strong> You have <code>HttpRequestPool</code> support installed. <em>No problems here.</em></li>
<?php else: ?>
<li><strong>HttpRequestPool:</strong> The <code>HttpRequestPool</code> class is not available. <?php echo $app_name; ?> will use <code>file_get_contents()</code> instead to fetch URLs sequentially rather than in parallel.</li>
<?php endif; ?>
<?php if ($redirect_ok): ?>
<li><strong>HTTP Redirects:</strong> Your server appears to handle redirects ok. <em>No problems here.</em></li>
<?php else: ?>
<li><strong>HTTP Redirects:</strong> Your server appears not to be able to handle HTTP redirects. <?php echo $app_name; ?> should still work with most feeds, but you may experience problems with some.</li>
<?php endif; ?>
<?php else: ?>
<li><strong>allow_url_fopen:</strong> Your PHP configuration has allow_url_fopen disabled. <em><?php echo $app_name; ?> will not work here.</em></li>
<?php endif; ?>
<?php else: ?>
<li><strong>PCRE:</strong> Your PHP installation doesn't support Perl-Compatible Regular Expressions. <em><?php echo $app_name; ?> will not work here.</em></li>
<?php endif; ?>
<?php else: ?>
<li><strong>XML:</strong> Your PHP installation doesn't support XML parsing. <em><?php echo $app_name; ?> will not work here.</em></li>
<?php endif; ?>
<?php else: ?>
<li><strong>PHP:</strong> You are running an unsupported version of PHP. <em><?php echo $app_name; ?> will not work here.</em></li>
<?php endif; ?>
<?php endif; ?>
</ol>
</div>
<div class="chunk">
<?php if ($php_ok && $xml_ok && $pcre_ok && $mbstring_ok && $iconv_ok && $allow_url_fopen_ok) { ?>
<h3>Bottom Line: Yes, you can!</h3>
<p><em>Your webhost has its act together!</em></p>
<p>You can download the latest version of <?php echo $app_name; ?> from <a href="http://fivefilters.org/content-only/#download">FiveFilters.org</a>.</p>
<p><strong>Note</strong>: Passing this test does not guarantee that <?php echo $app_name; ?> will run on your webhost — it only ensures that the basic requirements have been addressed. If you experience any problems, please let us know.</p>
<?php } else if ($php_ok && $xml_ok && $pcre_ok && $allow_url_fopen_ok) { ?>
<h3>Bottom Line: Yes, you can!</h3>
<p><em>For most feeds, it'll run with no problems.</em> There are certain languages that you might have a hard time with though.</p>
<p>You can download the latest version of <?php echo $app_name; ?> from <a href="http://fivefilters.org/content-only/#download">FiveFilters.org</a>.</p>
<p><strong>Note</strong>: Passing this test does not guarantee that <?php echo $app_name; ?> will run on your webhost — it only ensures that the basic requirements have been addressed. If you experience any problems, please let us know.</p>
<?php } else { ?>
<h3>Bottom Line: We're sorry…</h3>
<p><em>Your webhost does not support the minimum requirements for <?php echo $app_name; ?>.</em> It may be a good idea to contact your webhost, and ask them to install a more recent version of PHP as well as the <code>xmlreader</code>, <code>xml</code>, <code>mbstring</code>, <code>iconv</code>, <code>curl</code>, and <code>zlib</code> extensions. And ask them to enable allow_url_fopen.</p>
<?php } ?>
</div>
<div class="chunk">
<p class="footnote">This compatibility test has been borrowed (and slightly adapted) from the one supplied by <a href="http://simplepie.org/">SimplePie.org</a>. We have kept most of their checks intact as we use SimplePie in our application.</a></p>
</div>
</div>
</div>
</body>
</html>