mirror of
https://github.com/gtbu/Typesetter-5.3-p8.git
synced 2024-08-27 13:36:43 +02:00
77 lines
1.4 KiB
PHP
77 lines
1.4 KiB
PHP
<?php
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namespace gp\tool;
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defined('is_running') or die('Not an entry point...');
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class Headers{
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/**
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* Return a list of all http headers from the $_SERVER superglobal
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* If $which is specified, return that single header
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*
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* @param string $which
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* @return string|array
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*
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*/
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public static function RequestHeaders($which = false){
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$headers = [];
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foreach($_SERVER as $key => $value) {
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if( substr($key, 0, 5) <> 'HTTP_' ){
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continue;
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}
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$header = str_replace(' ', '-', ucwords(str_replace('_', ' ', strtolower(substr($key, 5)))));
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if( $which ){
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if( strnatcasecmp($which,$header) === 0){
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return $value;
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}
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}
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$headers[$header] = $value;
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}
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if( !$which ){
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return $headers;
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}
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}
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/**
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* Find a matching mime type from the 'accept' headers
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*
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* @param array $accepts List of
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* @return string
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*
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*/
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public static function AcceptMime($accepts){
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$accept = self::RequestHeaders('accept');
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if( $accept && preg_match_all('#([^,;\s]+)\s*;?\s*(?:q=([^,;\s]+))?#',$accept,$matches,PREG_SET_ORDER) ){
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// filter acceptable mimes, default qvalue = 1
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foreach($matches as $match){
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$_mime = trim($match[1]);
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if( !array_key_exists($_mime, $accepts) ){
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continue;
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}
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if( isset($match[2]) ){
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$accepts[$_mime] = (float)$match[2];
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}else{
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$accepts[$_mime] += 1;
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}
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}
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}
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// best mime will be first in the list after arsort()
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arsort($accepts);
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return key($accepts);
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}
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}
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