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64 lines
1.9 KiB
64 lines
1.9 KiB
7 months ago
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<?php
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/**
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* Created by PhpStorm.
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* User: Administrator
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* Date: 15-5-7
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* Time: 下午2:15
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*/
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class ApiUrlRespectUtils
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{
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static $appkeyAndFasterHost = array();
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static $appKeyAndHost = array();
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static $appkeyAndLastExecuteTime = array();
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public static function getFastest($appkey,$hosts)
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{
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if ($hosts == null || count($hosts)==0)
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{
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throw new Exception("Hosts cann't be null or size must greater than 0");
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}
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if(isset(ApiUrlRespectUtils::$appkeyAndFasterHost[$appkey]) && count(array_diff($hosts,isset(ApiUrlRespectUtils::$appKeyAndHost[$appkey])?ApiUrlRespectUtils::$appKeyAndHost[$appkey]:null)) == 0)
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{
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return ApiUrlRespectUtils::$appkeyAndFasterHost[$appkey];
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}
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else
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{
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$fastest = ApiUrlRespectUtils::getFastestRealTime($hosts);
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ApiUrlRespectUtils::$appKeyAndHost[$appkey] = $hosts;
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ApiUrlRespectUtils::$appkeyAndFasterHost[$appkey] = $fastest;
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return $fastest;
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}
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}
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public static function getFastestRealTime($hosts)
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{
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$mint=60.0;
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$s_url="";
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for ($i=0;$i<count($hosts);$i++)
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{
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$start = array_sum(explode(" ",microtime()));
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$opts = array('http'=>array('method'=>"GET",'timeout'=>3,));
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$context = stream_context_create($opts);
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try {
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$homepage = file_get_contents($hosts[$i], false, $context);
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} catch (Exception $e) {
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echo($e);
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}
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$ends = array_sum(explode(" ",microtime()));
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if ($homepage==NULL ||$homepage="")
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{
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$diff=60.0;
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}
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else
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{
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$diff=$ends-$start;
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}
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if ($mint > $diff)
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{
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$mint=$diff;
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$s_url=$hosts[$i];
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}
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}
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return $s_url;
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}
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}
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