function.php

mv 具体不是很清楚

<?php

function list_content($SQL,$which='*',$leng=40){
	global $db,$pre;
	$query=$db->query("SELECT $which FROM {$pre}mv_video $SQL");
	while( $rs=$db->fetch_array($query) ){
		$rs[content]=@preg_replace('/<([^>]*)>/is',"",$rs[content]);	//把HTML代码过滤掉
		$rs[content]=get_word($rs[full_content]=$rs[content],100);
		$rs[title]=get_word($rs[full_title]=$rs[title],$leng);
		$rs[posttime]=date("Y-m-d",$rs[posttime]);
		if($rs[picurl]){
			$rs[picurl]=tempdir($rs[picurl]);
		}
		$listdb[]=$rs;
	}
	return $listdb;
}

function GET_MV($type,$fid,$rows=6,$leng=30,$getson=0){
	global $page,$fid;
	if($page<1){
		$page=1;
	}
	if($type=='lastview'){
		$_order='lastview';
		//$INDEX=' USE INDEX(lastview) ';
	}elseif($type=='hot'){
		//$INDEX=' USE INDEX(hits) ';
		$_order='hits';
	}elseif($type=='rand'){
		$_order='rand()';
	}elseif($type=="level"){
		$_order='list';
		$_SQL=" levels=1 AND ";
	}elseif($type=="pic"){
		$_order='list';
		$_SQL=" ispic=1 AND ";
	}else{
		//$INDEX=' USE INDEX(list) ';
		$_order='list';
	}
	if($getson==1&&$fid){
		$fids=get_fid($fid);
		$_SQL.=" fid IN (".implode(",",$fids).") ";
	}elseif($fid){
		$_SQL.=" fid=$fid ";
	}else{
		$_SQL.=" 1 ";
	}
	$min=($page-1)*$rows;
	//AND yz=1
	$SQL=" $INDEX WHERE $_SQL  ORDER BY $_order DESC LIMIT $min,$rows";
	$which='*';
	$listdb=list_content($SQL,$which,$leng);
	return $listdb;
}


function get_fid($fid){
	global $db,$pre;
	$fid=intval($fid);
	$F[]=$fid;
	$query = $db->query("SELECT fid FROM {$pre}mv_sort WHERE fup=$fid");
	while($rs = $db->fetch_array($query)){
		$F[]=$rs[fid];
	}
	return $F;
}

function list_comment($SQL,$which='*',$leng=400){
	global $db,$pre;
	$query=$db->query("SELECT $which FROM `{$pre}mv_comments` $SQL");
	while( $rs=$db->fetch_array($query) ){
		if(!$rs[username]){
			$detail=explode(".",$rs[ip]);
			$rs[username]="$detail[0].$detail[1].$detail[2].*";
		}
		$rs[posttime]=date("Y-m-d H:i:s",$rs[posttime]);
		$rs[content]=get_word($rs[full_content]=$rs[content],$leng);
		$rs[content]=str_replace("\n","<br>",$rs[content]);
		$listdb[]=$rs;
	}
	return $listdb;
}
?>