53 lines
1.6 KiB
PHP
53 lines
1.6 KiB
PHP
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<?php
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/**
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* GET an HTTP URL to retrieve its content
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*
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* @param string $url URL to get (http://...)
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* @param int $timeout network timeout (in seconds)
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* @param int $maxBytes maximum downloaded bytes (default: 4 MiB)
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*
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* @return array HTTP response headers, downloaded content
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*
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* Output format:
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* [0] = associative array containing HTTP response headers
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* [1] = URL content (downloaded data)
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*
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* Example:
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* list($headers, $data) = get_http_url('http://sebauvage.net/');
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* if (strpos($headers[0], '200 OK') !== false) {
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* echo 'Data type: '.htmlspecialchars($headers['Content-Type']);
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* } else {
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* echo 'There was an error: '.htmlspecialchars($headers[0]);
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* }
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*
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* @see http://php.net/manual/en/function.file-get-contents.php
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* @see http://php.net/manual/en/function.stream-context-create.php
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* @see http://php.net/manual/en/function.get-headers.php
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*/
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function get_http_url($url, $timeout = 30, $maxBytes = 4194304)
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{
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$options = array(
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'http' => array(
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'method' => 'GET',
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'timeout' => $timeout,
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'user_agent' => 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:23.0)'
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.' Gecko/20100101 Firefox/23.0'
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)
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);
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$context = stream_context_create($options);
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try {
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// TODO: catch Exception in calling code (thumbnailer)
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$content = file_get_contents($url, false, $context, -1, $maxBytes);
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} catch (Exception $exc) {
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return array(array(0 => 'HTTP Error'), $exc->getMessage());
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}
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if (!$content) {
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return array(array(0 => 'HTTP Error'), '');
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}
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return array(get_headers($url, 1), $content);
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}
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