正则提取内容图片路径 Monxin专用（PHP代码函数）

//正则提取内容图片路径 Monxin专用（PHP代码函数）
//本代码基于Monxin 运行
//代码来源：Monxin ./config/functions.php

function reg_attachd_img($act,$class_name,$imgs,$pdo,$image_mark=''){
	//var_dump($imgs);
	if($act=='add'){
		$config=require("./program/{$class_name}/config.php");
		$image=new image();
		$image_mark=($image_mark==='')?$config['program']['imageMark']:$image_mark;
		//var_dump($image_mark);
		foreach($imgs as $v){
			$sql="select count(id) as c from ".$pdo->index_pre."attachd_img where `path`='$v'";
			$r=$pdo->query($sql,2)->fetch(2);
			if($r['c']==0){
				$sql="insert into ".$pdo->index_pre."attachd_img (`path`) values ('$v')";
				$pdo->exec($sql);
				if($image_mark){$image->addMark($v);}
			}	
		}
	}
	if($act=='del'){
		//var_dump($imgs);
		if(!is_array($imgs)){
			$sql="delete from ".$pdo->index_pre."attachd_img where `path`='$imgs'";
			$pdo->exec($sql);
			@unlink($imgs);
		}else{
	 		foreach($imgs as $v){
				$sql="delete from ".$pdo->index_pre."attachd_img where `path`='$v'";
				$pdo->exec($sql);
				@unlink($v);	
			}	
		}
	}
}