WordPress图片本地化代码版

我们在转载文章，或者采集的时候，会用到这样的代码，比较方便。需要用插件的可以看看这篇文章了解一下WordPress自动图片本地化插件自动站外图片保存本地 下面是无需插件的图片本地化代码。

以下代码放到主题的functions.php文件。

add_filter(\’content_save_pre\’, \’auto_save_image\’);
function auto_save_image($content) {
$upload_path = \’\’;
$upload_url_path = get_bloginfo(\’url\’);

//上传目录
if (($var = get_option(\’upload_path\’)) !=\’\’){
$upload_path = $var;
} else {
$upload_path = \’wp-content/uploads\’;
}
if(get_option(\’uploads_use_yearmonth_folders\’)) {
$upload_path .= \’/\’.date(\”Y\”,time()).\’/\’.date(\”m\”,time());
}

//文件地址
if(($var = get_option(\’upload_url_path\’)) != \’\’) {
$upload_url_path = $var;
} else {
$upload_url_path = bloginfo(\’url\’);
}
if(get_option(\’uploads_use_yearmonth_folders\’)) {
$upload_url_path .= \’/\’.date(\”Y\”,time()).\’/\’.date(\”m\”,time());
}

require_once (\”../wp-includes/class-snoopy.php\”);
$snoopy_Auto_Save_Image = new Snoopy;

$img = array();

//以文章的标题作为图片的标题
if ( !empty( $_REQUEST[\’post_title\’] ) )
$post_title = wp_specialchars( stripslashes( $_REQUEST[\’post_title\’] ));
$text = stripslashes($content);
if (get_magic_quotes_gpc()) $text = stripslashes($text);
preg_match_all(\”/ src=(\\\”|\\\’){0,}(http:\\/\\/(.+?))(\\\”|\\\’|\\s)/is\”,$text,$img);
$img = array_unique(dHTMLspecialchars($img[2]));
foreach ($img as $key = $value){
set_time_limit(180); //每个图片最长允许下载时间,秒
if(str_replace(get_bloginfo(\’url\’),\”\”,$value)==$value&&str_replace(get_bloginfo(\’home\’),\”\”,$value)==$value){
//判断是否是本地图片，如果不是，则保存到服务器
$fileext = substr(strrchr($value,\’.\’),1);
$fileext = strtolower($fileext);
if($fileext==\”\”||strlen($fileext)4)
$fileext = \”jpg\”;
$savefiletype = array(\’jpg\’,\’gif\’,\’png\’,\’bmp\’);
if (in_array($fileext, $savefiletype)){
if($snoopy_Auto_Save_Image-fetch($value)){
$get_file = $snoopy_Auto_Save_Image-results;
}else{
echo \”error fetching file: \”.$snoopy_Auto_Save_Image-error.\”
\”;
echo \”error url: \”.$value;
die();
}
$filetime = time();
$filepath = \”/\”.$upload_path;//图片保存的路径目录
!is_dir(\”..\”.$filepath) ? mkdirs(\”..\”.$filepath) : null;
//$filename = date(\”His\”,$filetime).random(3);
$filename = substr($value,strrpos($value,\’/\’),strrpos($value,\’.\’)-strrpos($value,\’/\’));

//$e = \’../\’.$filepath.$filename.\’.\’.$fileext;
//if(!is_file($e)) {
// copy(htmlspecialchars_decode($value),$e);
//}
$fp = @fopen(\”..\”.$filepath.$filename.\”.\”.$fileext,\”w\”);
@fwrite($fp,$get_file);
fclose($fp);

$wp_filetype = wp_check_filetype( $filename.\”.\”.$fileext, false );
$type = $wp_filetype[\’type\’];
$post_id = (int)$_POST[\’temp_ID2\’];
$title = $post_title;
$url = $upload_url_path.$filename.\”.\”.$fileext;
$file = $_SERVER[\’DOCUMENT_ROOT\’].$filepath.$filename.\”.\”.$fileext;

//添加数据库记录
$attachment = array(
\’post_type\’ = \’attachment\’,
\’post_mime_type\’ = $type,
\’guid\’ = $url,
\’post_parent\’ = $post_id,
\’post_title\’ = $title,
\’post_content\’ = \’\’,
);
$id = wp_insert_attachment($attachment, $file, $post_parent);
$text = str_replace($value,$url,$text); //替换文章里面的图片地址
}
}
}
$content = AddSlashes($text);
remove_filter(\’content_save_pre\’, \’auto_save_image\’);
return $content;
}

function mkdirs($dir)
{
if(!is_dir($dir))
{
mkdirs(dirname($dir));
mkdir($dir);
}
return ;
}
function dhtmlspecialchars($string) {
if(is_array($string)) {
foreach($string as $key = $val) {
$string[$key] = dhtmlspecialchars($val);
}
}else{
$string = str_replace(\’&\’, \’&\’, $string);
$string = str_replace(\’\”\’, \’\”\’, $string);
$string = str_replace(\'<\’, \'<\’, $string); $string = str_replace(\’\’, \’\’, $string);
$string = preg_replace(\’/&(#\\d;)/\’, \’&\\1\’, $string);
}
return $string;
}