47 lines
1.2 KiB
PHP
47 lines
1.2 KiB
PHP
<?php
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// handle form submissions
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if (isset($_POST['url']))
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{
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// check that we got a valid URL
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$url = (filter_var(trim($_POST['url']), FILTER_VALIDATE_URL))
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? trim($_POST['url'])
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: false;
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// if so, start up the redirect checks
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if ($url)
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{
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// make a request for this url and add to the path
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$request = new Follow($url);
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$code = '';
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do {
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// set the URL
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$request->url = $url;
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// make the curl request and update the path
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$request->getHttpCode();
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// end on an error
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if ($request->error)
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{
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$error = $request->error;
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break;
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}
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// if we have a redirect to follow, update our working $url
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$url = ($request->next) ? $request->next : false;
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// update our code
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$code = ($request->code) ? $request->code : false;
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} while (substr($code, 0, 1) == 3); // continue while we have a 3XX code
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}
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else
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{
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$error = [
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'type' => 'search',
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'message' => 'There was an issue with URL you searched. Make sure it\'s a well-formed URL.'
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];
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}
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}
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?>
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