php - wrong with wp_generate_attachment_metadata() -

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it works (upload , send db) but

wp_generate_attachment_metadata() returns bad letters whene file uploaded !

some of wrong charechters : 

����jfif��;creator: gd-jpeg v1.0 (using ijg jpeg v62), quality = 90 ��c     ��c       ����"��   ���}!1aqa"q2���#b��r��$3br� %&'()*456789:cdefghijstuvwxyzcdefghijstuvwxyz���������������������������������������������������������������������������    ���w!1aqaq"2�b����  #3r�br� $4�

the code : 

if (isset($_files['ed_header_logo'] ) && !empty($_files['ed_header_logo']['name']) ) {     $filename = $_files['ed_header_logo']['name'];     $wp_filetype = wp_check_filetype( basename($filename), null );     $wp_upload_dir = wp_upload_dir();      move_uploaded_file( $_files['ed_header_logo']['tmp_name'], $wp_upload_dir['path']  . '/' . $filename );      $url = $wp_upload_dir['url'] . '/' . basename( $filename );      $attachment = array(         'guid' => $url,          'post_mime_type' => $wp_filetype['type'],         'post_title' => preg_replace( '/\.[^.]+$/', '', basename( $filename ) ),         'post_content' => 'weblogo',         'post_status' => 'inherit'     );       $attach_id = wp_insert_attachment( $attachment, $url, 37 );     require_once( abspath . 'wp-admin/includes/image.php' );     $attach_data = wp_generate_attachment_metadata( $attach_id, $url );     wp_update_attachment_metadata( $attach_id, $attach_data );    }

try this: 

if (isset($_files['ed_header_logo'] ) && !empty($_files['ed_header_logo']['name']) )      {        $uploadedfile = $_files['ed_header_logo'];      $upload_name = $_files['ed_header_logoe']['name'];      $uploads = wp_upload_dir();     $filepath = $uploads['path']."/$upload_name";  if ( ! function_exists( 'wp_handle_upload' ) )     {     require_once( abspath . 'wp-admin/includes/file.php' );     }     require_once( abspath . 'wp-admin/includes/image.php' );      $upload_overrides = array( 'test_form' => false );     //$attach_id = media_handle_upload( $file, $new_post );     $movefile = wp_handle_upload( $uploadedfile, $upload_overrides );     //print_r($movefile);     if ( $movefile && !isset( $movefile['error'] ) ) {      $file = $movefile['file'];     $url = $movefile['url'];     $type = $movefile['type'];      //media_handle_upload( $file_handler, 0 );     $attachment = array(     'post_mime_type' => $type ,     'post_title' => $upload_name,     'post_content' => 'image '.$upload_name,     'post_status' => 'inherit'     );      $attach_id=wp_insert_attachment( $attachment, $file, 0);     $attach_data = wp_generate_attachment_metadata( $attach_id, $file );     wp_update_attachment_metadata( $attach_id, $attach_data );      }

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