I’ve started using this plugin to lazy load images, including a custom method my theme uses for featured images. I noticed this issue on an article that doesn’t have a featured image at all, but I think the issue might occur in other situations as well.<\/p>\n
In Here’s how the code appears to be working:<\/p>\n If I understand correctly, It doesn’t seem like anything is keeping this placeholder method from being called, while looking for a color value that may not exist.<\/p>\n","protected":false},"template":"","class_list":["post-9784646","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/9784646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/9784646\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=9784646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\/wp-content\/plugins\/easy-lazy-loader\/easy-lazy-loader.php on line 652<\/code>, I get the error that placeholder_color<\/code> is undefined.<\/p>\n\n\/\/ use low res preview image as placeholder if applicable\nif ( 'lowres' === $placeholder_type && $img_id !== false ) {\n\t$tiny_img_data = wp_get_attachment_image_src( $img_id, $this->OPTIONS['placeholder_image_size'] );\n\t$tiny_url = $tiny_img_data[0];\n\t$placeholder_url_used = $tiny_url;\n}\n\/\/ use color as placeholder if applicable\nelse if ( 'color' === $placeholder_type && class_exists( 'WordPress_Gallery_Extra' ) ) {\n\t$placeholder_color = "";\n\n\tif( $img_id !== false ) {\n\t\t$placeholder_color = get_post_meta( $img_id, '_wgextra_dominant_color', true );\n\t}\n\n\tif ( !$placeholder_color ) {\n\t\t$placeholder_color = $this->OPTIONS['default_image_placeholder_color'];\n\t}\n\n\t$placeholder_url_used = self::create_placeholder( $placeholder_color, (int) $width, (int) $height, 'Image loading...' );\n}\n\/\/ use transparent as placeholder if applicable\nelse if ( 'default' === $placeholder_type && !is_string( $width ) && !is_string( $height ) ) {\n\t$placeholder_url_used = self::create_placeholder( $placeholder_color, (int) $width, (int) $height );\n}\n<\/code><\/pre>\nplaceholder_color<\/code> is only defined if WordPress_Gallery_Extra<\/code> exists, but even if it does not exist, the plugin attempts to use it:<\/p>\n\n\/\/ use transparent as placeholder if applicable\nelse if ( 'default' === $placeholder_type && !is_string( $width ) && !is_string( $height ) ) {\n\t$placeholder_url_used = self::create_placeholder( $placeholder_color, (int) $width, (int) $height );\n}\n<\/code><\/pre>\n