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我正在尝试使用 add_meta_box 创建 8 个字段以在帖子上上传图像，但由于某种原因，某些图像 (jpeg) 将不会被上传，无论它们的文件大小是否正确以及宽度和高度是否正确。

田野：

    function facilitiesimage_box_render(){
    $status_message = get_post_meta($post->ID, 'facilities_img_error', true);
            if($status_message) {
                echo '<div class="error" id="message"><p>' . $status_message . '</p></div>';
            }

            $max_no_img=8; // Maximum number of images value to be set here


            echo '<input type="hidden" name="MAX_FILE_SIZE" value="1524288">';
            echo "<table border='0' width='400' cellspacing='0' cellpadding='0' align=center>";
            for($i=1; $i<=$max_no_img; $i++){
                echo "<tr><td>Images $i</td><td><input type=file name='images[]' class='bginput'></td></tr>";
            }
            echo "<tr><td colspan=2 align=center><input type=submit value='Add Image'></td></tr>";
            echo "</form> </table>";
}

其余代码：

function update_facilitiesimage($post_id, $post) {


        while(list($key,$value) = each($_FILES['images']['name'])) {
            if(!empty($value)){
                $arr_file_type = wp_check_filetype(basename($value)); 
                $uploaded_file_type = $arr_file_type['type'];
                $allowed_file_types = array('image/jpg', 'image/jpeg', 'image/gif', 'image/png');
                if(in_array($uploaded_file_type, $allowed_file_types)){
                    $upload_dir = wp_upload_dir();
                    $newname = strtolower(str_replace(' ', '-', $value));
                    $add = $upload_dir['path'] . '/' . $newname;
                    copy($_FILES['images']['tmp_name'][$key], $add);
                    list($width, $height) = getimagesize($add);
                    $upload_image_width = '630';
                    $upload_image_height = '350';
                    if($width < $upload_image_width || $height < $upload_image_height) {
                        $upload_feedback = 'Sorry, the image ' . $value . ' does not meet the minimum height/width requirements. Please upload another image.<br/>';
                        update_post_meta($post_id, 'facilities_img_error', $upload_feedback);
                        unlink($add);
                    } 
                    else {
                        $upload_image_width = '630';
                        $upload_image_height = '350';
                        $resized = image_resize($add, $upload_image_width, $upload_image_height, true);
                        unlink($add);
                        $file_name_and_location = $add;
                        $file_title_for_media_library = 'your title here';
                        $attachment = array(
                            'post_mime_type' => $uploaded_file_type,
                            'post_title' => 'Uploaded image ' . addslashes($file_title_for_media_library),
                            'post_content' => '',
                            'post_status' => 'inherit'
                        );
                        $attach_id = wp_insert_attachment( $attachment, $file_name_and_location );
                        require_once(ABSPATH . "wp-admin" . '/includes/image.php');
                        $attach_data = wp_generate_attachment_metadata( $attach_id, $file_name_and_location );
                        wp_update_attachment_metadata($attach_id,  $attach_data);
                        $ra = 'attached_facility-img' . $key;
                        $existing_uploaded_image = (int) get_post_meta($post_id, $ra, true);
                        if(is_numeric($existing_uploaded_image)) {
                            wp_delete_attachment($existing_uploaded_image);
                        }
                        update_post_meta($post_id, $ra ,$attach_id);
                        $upload_feedback = false;
                        update_post_meta($post_id, 'facilities_img_error', $upload_feedback);
                        $fname = strrchr($resized, '/');
                        $img = $upload_dir['baseurl'] . $fname;
                        $table = 'facilitiesimage-' . $key;
                        delete_post_meta($post_id, $table);
                        update_post_meta($post_id, $table, $img);
                    }
                }
                else {
                    $upload_feedback = 'Please upload only image files (jpg, gif or png).<br/>';
                    update_post_meta($post_id, 'facilities_img_error', $upload_feedback);
                }
            }
        }
    }

add_action('save_post','update_facilitiesimage',1,2);

在此之前我只是在学习，所以我为我的代码中的任何 HUGE ERROR（或恐怖）道歉。

一切正常，直到我得到一些不会更新的图像，这些图像是 jpeg，文件大小和尺寸与代码中的值有关。

使用：

echo "<pre>";
echo "POST:";
print_r($_POST);
echo "FILES:";
print_r($_FILES);
echo "</pre>";

我发现这些值是正确的（图像通过了“验证”），但图像没有上传。请注意，该脚本上传其他 jpeg 图像没有问题。

任何帮助将不胜感激

提前致谢

4

1 回答 1

1

字段没问题，这里是 update_facilitiesimage 功能，有一些改进

function update_facilitiesimage() {
    $post_id = $_GET['post'] ? $_GET['post'] : $_POST['post_ID'] ;
    global $post;
    require_once(ABSPATH . '/wp-admin/includes/image.php');
    while(list($key,$value) = each($_FILES['images']['name'])) {
      if(!empty($value)){

        $gymname = strtolower(str_replace(' ', '-', get_the_author_meta( 'gymname' , $post->post_author )));
        $newname = strtolower(str_replace(' ', '-', $value));
        $upload_dir = wp_upload_dir();
        $add = $upload_dir['path'] . '/' . $gymname . '-' . $newname;
        copy($_FILES['images']['tmp_name'][$key], $add);
        $arr_file_type = wp_check_filetype(basename($add)); 
        $uploaded_file_type = $arr_file_type['type'];
        $allowed_file_types = array('image/jpg','image/jpeg','image/gif','image/png');
        if(in_array($uploaded_file_type, $allowed_file_types)) { 
          list($width, $height) = getimagesize($add);
          $upload_image_slideshow_width = '630';
          $upload_image_slideshow_height = '350';
          if(($width > $upload_image_slideshow_width) || ($height > $upload_image_slideshow_height)) {
            $resized = image_resize($add, $upload_image_slideshow_width, $upload_image_slideshow_height, true);
            unlink($add);
            $add = $resized;
            $fname = strrchr($add, '/');
            $img = str_replace('/', '', $fname);
            $table = 'facilitiesimage-' . $key;
            if(!get_post_meta($post_id, $table)){
              add_post_meta($post_id, $table, $img);
            } 
            else {
              $oldfile = get_post_meta($post_id, $table, true); 
              $oldfilelocation = $upload_dir['path'] . '/' . $oldfile;
              unlink($oldfilelocation);            
              update_post_meta($post_id, $table, $img);
            }
            delete_post_meta($post_id, 'facilities_img_error');            
          }
          elseif (($width < $upload_image_slideshow_width) || ($height < $upload_image_slideshow_height)) {
            $upload_feedback = 'Sorry, but the image ' . $value . ' does not meet the minimum height/width requirements. Please upload another image.';
            if(!get_post_meta($post_id, 'facilities_img_error')){
              add_post_meta($post_id, 'facilities_img_error', $upload_feedback);
            } 
            else {
              update_post_meta($post_id, 'facilities_img_error', $upload_feedback);
            }
            unlink($add);
          }
          elseif (($width == $upload_image_slideshow_width) && ($height == $upload_image_slideshow_height)) {
            $fname = strrchr($add, '/');
            $img = str_replace('/', '', $fname);
            $table = 'facilitiesimage-' . $key;
            if(!get_post_meta($post_id, $table)){
              add_post_meta($post_id, $table, $img);
            } 
            else {
              $oldfile = get_post_meta($post_id, $table, true); 
              $oldfilelocation = $upload_dir['path'] . '/' . $oldfile;
              unlink($oldfilelocation);            
              update_post_meta($post_id, $table, $img);
            }
            delete_post_meta($post_id, 'facilities_img_error');
          }          
        }
        else {
          $upload_feedback = 'Please upload only image files (jpg, gif or png).';
          if(!get_post_meta($post_id, 'facilities_img_error')){
            add_post_meta($post_id, 'facilities_img_error', $upload_feedback);
          } 
          else {
            update_post_meta($post_id, 'facilities_img_error', $upload_feedback);
          }
        }
      }
    }
  }
add_action('save_post','update_facilitiesimage');
于 2012-05-09T15:30:12.803 回答