PHP takes turns to sort, every once in a while to sort by position, poll the leaderboard: function Datapollinginterval ()

/** @ name: PHP, the array every time (from the set time) to rotate the position of the ranking, polling the leaderboard. Rounds the list of data to a specified second or minute or hour or day. * @ parameter: (array) $list sequential array, passing in an array that needs to be wheeled; * @ parameter: (time string) $polling the _time interval, the interval between rotations. Can be: number + seconds, minutes, hours, days (English words); * @ parameter: (int) $polling _number The number of rows per rotation of the data; * @ return value: Array | False if the sort returns an array successfully, otherwise the exception condition returns false.** @author: Wangji sparse, qq:876635409*/functionDatapollinginterval ($list,$polling _time= ' Ten second minute Hour day ',$polling _number=1 ) {    //parameters for planning polling interval time:    $interval=false; //determine the type of $polling_time is seconds, minutes, hours, days of which 1.     $arg=Array(         ' s ' =>1,//seconds' m ' =>60,//minutes = sec' H ' =>3600,//Time = 3600 sec' d ' = 86400,//Day = 86400 sec    ); //determine the type of interval time and calculate the interval time    foreach($arg  as $k=$v ) {        if(false!==Stripos($polling _time,$k ) ) {            $interval=intval($polling _time) *$v;  Break; }    }        //Judging interval time    if( !Is_int($interval ) ){          return false; }    //number of seconds from the beginning of the year    $this _year_begin_second=Strtotime(Date(' y-01-01 01:00:01 ', Time() ) ); //Current number of seconds-the number of seconds to start this year, and the number of seconds to date this year.     $polling _time= Time() -$this _year_begin_second; //number of seconds from this year to date, calculated to get the current number of rounds    $len=Count($list);//Total length    $start _index=intval($polling _time/$interval ); $start _index=$polling _number*$start _index%$len;//Number of wheels * Number of rounds, total amount of surplus.     $res=Array(  ); //point the number of wheels to the index of the array and then iterate through the index.      for($i= 0;$i<$len; ++$i ) {        $index=$i+$start _index;//The index change is based on time//when the traversal index exceeds the maximum subscript of the array,        if($index>=$len ) {            $index=$index-$len ; }        $res[] =$list[$index];//Deposit Results    }    return $res;} 

Data processing Examples:
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"Complete Example":

<?php Date_default_timezone_set (' PRC ' ); if(isset($_get[' Go '] ) ) {        //Array Data:        $list=Range(1, 100 ); //Sort by Time: The list lists every 5 seconds for a position polling sort, with 10 rows at a time.         $list= Datapollinginterval ($list, ' 2 sec ', 3 ) ; //output sorted data.        $out= ' '; foreach($list  as $k=$v ) {            $out. = '.$v; if($k% 20 = = 19 ) {                $out. = ' <br/><br/> '; }        }        Echo' <pre> ';Print_r($out);Echo' </pre> '; Exit; }        /** @ Name: Log the group every certain time (from the set time) to rotate the position sorting, polling the leaderboard.    Rounds the list of data to a specified second or minute or hour or day.    * @ parameter: (array) $list sequential array, passing in an array that needs to be wheeled; * @ parameter: (time string) $polling the _time interval, the interval between rotations.    Can be: number + seconds, minutes, hours, days (English words);    * @ parameter: (int) $polling _number The number of rows per rotation of the data; * @ return value: Array |    False if the sort returns an array successfully, otherwise the exception condition returns false. * * @author: Wangji sparse, qq:876635409*/    functionDatapollinginterval ($list,$polling _time= ' Ten second minute Hour day ',$polling _number=1 ) {        //parameters for planning polling interval time:        $interval=false; //determine the type of $polling_time is seconds, minutes, hours, days of which 1.         $arg=Array(             ' s ' =>1,//seconds' m ' =>60,//minutes = sec' H ' =>3600,//Time = 3600 sec' d ' = 86400,//Day = 86400 sec        ); //determine the type of interval time and calculate the interval time        foreach($arg  as $k=$v ) {            if(false!==Stripos($polling _time,$k ) ) {                $interval=intval($polling _time) *$v;  Break; }        }                //Judging interval time        if( !Is_int($interval ) ){              return false; }        //number of seconds from the beginning of the year        $this _year_begin_second=Strtotime(Date(' y-01-01 01:00:01 ', Time() ) ); //Current number of seconds-the number of seconds to start this year, and the number of seconds to date this year.         $polling _time= Time() -$this _year_begin_second; //number of seconds from this year to date, calculated to get the current number of rounds        $len=Count($list);//Total length        $start _index=intval($polling _time/$interval ); $start _index=$polling _number*$start _index%$len;//Number of wheels * Number of rounds, total amount of surplus.         $res=Array(  ); //point the number of wheels to the index of the array and then iterate through the index.          for($i= 0;$i<$len; ++$i ) {            $index=$i+$start _index;//The index change is based on time//when the traversal index exceeds the maximum subscript of the array,            if($index>=$len ) {                $index=$index-$len ; }            $res[] =$list[$index];//Deposit Results        }        return $res; }    ? ><! doctype>class= "" ></div></body>var$ =function(ID) {returntypeof id = = "string"? document.getElementById (ID):ID; }    //Ajax method: Ajax (URL, function () {...}, if_post_param);    functionAjax (B,a) {this.bindfunction=function(e,d) {return function(){returnE.apply (D,[d])}};this.statechange=functionD {if(this.request.readystate==4) {this.callbackfunction (This.request.responseText)}}; this.getrequest=function(){if(Window. ActiveXObject) {return NewActiveXObject ("Microsoft.XMLHTTP")}Else{if(Window. XMLHttpRequest) {return NewXMLHttpRequest ()}}return false};this.postbody= (arguments[2]| | ""); This.callbackfunction=a;this.url=b;this.request=this.getrequest ();if(this.request) {varC=this.request; C.onreadystatechange=this.bindfunction (This.statechange,this);if(this.postbody!== "") {C.open ("POST", B,true); C.setrequestheader ("X-requested-with", "XMLHttpRequest"); C.setrequestheader ("Content-type", "application/x-www-form-urlencoded"); C.setrequestheader ("Connection", "Close")}Else{C.open ("GET", B,true)}c.send (this.postbody)}}; Window.SetInterval (function() {Ajax ('? Go=1 ',function(text) {$ ("Containner"). InnerHTML =text;        }            ); } , 1000    );// -</script>