Created
June 17, 2017 04:23
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WP auto save images from content
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<?php | |
class Auto_Save_Images{ | |
function __construct(){ | |
add_filter( 'content_save_pre',array($this,'post_save_images') ); | |
} | |
function post_save_images( $content ){ | |
if( ($_POST['save'] || $_POST['publish'] )){ | |
set_time_limit(240); | |
global $post; | |
$post_id=$post->ID; | |
$preg=preg_match_all('/<img.*?src="(.*?)"/',stripslashes($content),$matches); | |
if($preg){ | |
foreach($matches[1] as $image_url){ | |
if(empty($image_url)) continue; | |
$pos=strpos($image_url,$_SERVER['HTTP_HOST']); | |
if($pos===false){ | |
$res=$this->save_images($image_url,$post_id); | |
$replace=$res['url']; | |
$content=str_replace($image_url,$replace,$content); | |
} | |
} | |
} | |
} | |
remove_filter( 'content_save_pre', array( $this, 'post_save_images' ) ); | |
return $content; | |
} | |
function save_images($image_url,$post_id){ | |
$file=file_get_contents($image_url); | |
$post = get_post($post_id); | |
$posttitle = $post->post_title; | |
$postname = sanitize_title($posttitle); | |
$im_name = "$postname-$post_id.jpg"; | |
$res=wp_upload_bits($im_name,'',$file); | |
$this->insert_attachment($res['file'],$post_id); | |
return $res; | |
} | |
function insert_attachment($file,$id){ | |
$dirs=wp_upload_dir(); | |
$filetype=wp_check_filetype($file); | |
$attachment=array( | |
'guid'=>$dirs['baseurl'].'/'._wp_relative_upload_path($file), | |
'post_mime_type'=>$filetype['type'], | |
'post_title'=>preg_replace('/\.[^.]+$/','',basename($file)), | |
'post_content'=>'', | |
'post_status'=>'inherit' | |
); | |
$attach_id=wp_insert_attachment($attachment,$file,$id); | |
$attach_data=wp_generate_attachment_metadata($attach_id,$file); | |
wp_update_attachment_metadata($attach_id,$attach_data); | |
return $attach_id; | |
} | |
} | |
new Auto_Save_Images(); |
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