model/attach.func.php 文件

252行 到 259行注释打开这样未被使用的图片就会自动清理..还请站长帮忙看看这个文件里的代码动了对其他代码会不会有什么影响😭

<?php

// hook model_attach_start.php

// ------------> 最原生的 CURD，无关联其他数据。

function attach__create($arr) {
	// hook model_attach__create_start.php
	$r = db_create('attach', $arr);
	// hook model_attach__create_end.php
	return $r;
}

function attach__update($aid, $arr) {
	// hook model_attach__update_start.php
	$r = db_update('attach', array('aid'=>$aid), $arr);
	// hook model_attach__update_end.php
	return $r;
}

function attach__read($aid) {
	// hook model_attach__read_start.php
	$attach = db_find_one('attach', array('aid'=>$aid));
	// hook model_attach__read_end.php
	return $attach;
}

function attach__delete($aid) {
	// hook model_attach__delete_start.php
	$r = db_delete('attach', array('aid'=>$aid));
	// hook model_attach__delete_end.php
	return $r;
}

function attach__find($cond = array(), $orderby = array(), $page = 1, $pagesize = 20) {
	// hook model_attach__find_start.php
	$attachlist = db_find('attach', $cond, $orderby, $page, $pagesize);
	// hook model_attach__find_end.php
	return $attachlist;
}

// ------------> 关联 CURD，主要是强相关的数据，比如缓存。弱相关的大量数据需要另外处理。

function attach_create($arr) {
	// hook model_attach_create_start.php
	$r = attach__create($arr);
	// hook model_attach_create_end.php
	return $r;
}

function attach_update($aid, $arr) {
	// hook model_attach_update_start.php
	$r = attach__update($aid, $arr);
	// hook model_attach_update_end.php
	return $r;
}

function attach_read($aid) {
	// hook model_attach_read_start.php
	$attach = attach__read($aid);
	attach_format($attach);
	// hook model_attach_read_end.php
	return $attach;
}

function attach_delete($aid) {
	// hook model_attach_delete_start.php
	global $conf;
	$attach = attach_read($aid);
	$path = $conf['upload_path'].'attach/'.$attach['filename'];
	file_exists($path) AND unlink($path);
	
	$r = attach__delete($aid);
	// hook model_attach_delete_end.php
	return $r;
}

function attach_delete_by_pid($pid) {
	global $conf;
	list($attachlist, $imagelist, $filelist) = attach_find_by_pid($pid);
	// hook model_attach_delete_by_pid_start.php
	foreach($attachlist as $attach) {
		$path = $conf['upload_path'].'attach/'.$attach['filename'];
		file_exists($path) AND unlink($path);
		attach__delete($attach['aid']);
	}
	// hook model_attach_delete_by_pid_end.php
	return count($attachlist);
}

function attach_delete_by_uid($uid) {
	global $conf;
	// hook model_attach_delete_by_uid_start.php
	$attachlist = db_find('attach', array('uid'=>$uid), array(), 1, 9000);
	foreach ($attachlist as $attach) {
		$path = $conf['upload_path'].'attach/'.$attach['filename'];
		file_exists($path) AND unlink($path);
		attach__delete($attach['aid']);
	}
	// hook model_attach_delete_by_uid_end.php
}

function attach_find($cond = array(), $orderby = array(), $page = 1, $pagesize = 20) {
	// hook model_attach_find_start.php
	$attachlist = attach__find($cond, $orderby, $page, $pagesize);
	if($attachlist) foreach ($attachlist as &$attach) attach_format($attach);
	// hook model_attach_find_end.php
	return $attachlist;
}

// 获取 $filelist $imagelist
function attach_find_by_pid($pid) {
	$attachlist = $imagelist = $filelist = array();
	// hook model_attach_find_by_pid_start.php
	$attachlist = attach__find(array('pid'=>$pid), array(), 1, 1000);
	if($attachlist) {
		foreach ($attachlist as $attach) {
			attach_format($attach);
			$attach['isimage'] ? ($imagelist[] = $attach) : ($filelist[] = $attach);
		}
	}
	// hook model_attach_find_by_pid_end.php
	return array($attachlist, $imagelist, $filelist);
}

// ------------> 其他方法

function attach_format(&$attach) {
	global $conf;
	if(empty($attach)) return;
	// hook model_attach_format_start.php
	$attach['create_date_fmt'] = date('Y-n-j', $attach['create_date']);
	$attach['url'] = $conf['upload_url'].'attach/'.$attach['filename'];
	// hook model_attach_format_end.php
}

function attach_count($cond = array()) {
	// hook model_attach_count_start.php
	$cond = db_cond_to_sqladd($cond);
	$n = db_count('attach', $cond);
	// hook model_attach_count_end.php
	return $n;
}

function attach_type($name, $types) {
	// hook model_attach_type_start.php
	$ext = file_ext($name);
	foreach($types as $type=>$exts) {
		if($type == 'all') continue;
		if(in_array($ext, $exts)) {
			return $type;
		}
	}
	// hook model_attach_type_end.php
	return 'other';
}

// 扫描垃圾的附件，每日清理一次
function attach_gc() {
	global $time, $conf;
	// hook model_attach_gc_start.php
	$tmpfiles = glob($conf['upload_path'].'tmp/*.*');
	if(is_array($tmpfiles)) {
		foreach($tmpfiles as $file) {
			// 清理超过一天还没处理的临时文件
			if($time - filemtime($file) > 86400) {
				unlink($file);
			}
		}
	}
	// hook model_attach_gc_end.php
}

// 关联 session 中的临时文件，并不会重新统计 images, files
function attach_assoc_post($pid) {
	global $uid, $time, $conf;
	$sess_tmp_files = _SESSION('tmp_files');
	//if(empty($tmp_files)) return;

    // fixed by qiukong, https://bbs.xiuno.com/thread-150336.htm
    if(!$sess_tmp_files && preg_match('/tmp\+files\|(a\:1\:\{.*\})/',_SESSION('data'),$arr)) {
        $sess_tmp_files = unserialize(str_replace(array('+','='),array('_','.'),$arr['1']));
    }
	
	$post = post__read($pid);
	if(empty($post)) return;
	
	// hook attach_assoc_post_start.php
	
	$tid = $post['tid'];
	$post['message_old'] = $post['message_fmt'];
	
	// 把临时文件 upload/tmp/xxx.xxx 也处理了
	//preg_match_all('#src="upload/tmp/(\w+\.\w+)"#', $post['message_old'], $m);
	//$use_tmp_files = $m[1]; // 实际使用的临时文件，不用的全部删除？如果是两个帖子一起编辑？
	
	// 将 session 中的数据和 message 中的数据合并。
	//$tmp_files = array_unique(array_merge($sess_tmp_files, $use_tmp_files));
	
	$attach_dir_save_rule = array_value($conf, 'attach_dir_save_rule', 'Ym');
	
	$tmp_files = $sess_tmp_files;
	if($tmp_files) {
		foreach($tmp_files as $file) {
			
			// 将文件移动到 upload/attach 目录
			$filename = file_name($file['url']);
			
			$day = date($attach_dir_save_rule, $time);
			$path = $conf['upload_path'].'attach/'.$day;
			$url = $conf['upload_url'].'attach/'.$day;
			!is_dir($path) AND mkdir($path, 0777, TRUE);
			
			$destfile = $path.'/'.$filename;
			$desturl = $url.'/'.$filename;
			$r = xn_copy($file['path'], $destfile);
			!$r AND xn_log("xn_copy($file[path]), $destfile) failed, pid:$pid, tid:$tid", 'php_error');
			if(is_file($destfile) && filesize($destfile) == filesize($file['path'])) {
				@unlink($file['path']);
			}
			$arr = array(
				'tid'=>$tid,
				'pid'=>$pid,
				'uid'=>$uid,
				'filesize'=>$file['filesize'],
				'width'=>$file['width'],
				'height'=>$file['height'],
				'filename'=>"$day/$filename",
				'orgfilename'=>$file['orgfilename'],
				'filetype'=>$file['filetype'],
				'create_date'=>$time,
				'comment'=>'',
				'downloads'=>0,
				'isimage'=>$file['isimage']
			);
			
			// 插入后，进行关联
			$aid = attach_create($arr);
			$post['message'] = str_replace($file['url'], $desturl, $post['message']);
			$post['message_fmt'] = str_replace($file['url'], $desturl, $post['message_fmt']);
			
		}
	}

	// 清空 session
	$_SESSION['tmp_files'] = array();
	
	$post['message_old'] != $post['message_fmt'] AND post__update($pid, array('message'=>$post['message'], 'message_fmt'=>$post['message_fmt']));
	
	// 处理不在 message 中的图片，删除掉没有插入的图片附件
   /*	
	list($attachlist, $imagelist, $filelist) = attach_find_by_pid($pid);
	foreach($imagelist as $k=>$attach) {
		$url = $conf['upload_url'].'attach/'.$attach['filename'];
		if(strpos($post['message_fmt'], $url) === FALSE) {
			unset($imagelist[$k]);
			attach_delete($attach['aid']);
		}
	}
         */	
	
	// 更新 images files
	list($attachlist, $imagelist, $filelist) = attach_find_by_pid($pid);
	$images = count($imagelist);
	$files = count($filelist);
	$post['isfirst'] AND thread__update($tid, array('images'=>$images, 'files'=>$files));
	post__update($pid, array('images'=>$images, 'files'=>$files));
	
	// hook attach_assoc_post_end.php
	
	return TRUE;
}


// hook model_attach_end.php

?>