Ticket #48302: 48302.2.diff

src/wp-includes/media.php

@@ -4386 +4386 @@
         // 2x large size
         add_image_size( '2048x2048', 2048, 2048 );
 }
+
+/**
+ * Retrieves the URL for an original image.
+ *
+ * WordPress Big Image processing will limit the scale of a large image by default. This function returns the absolute
+ * original image, not the scaled one.
+ *
+ * @since 5.3.0
+ *
+ * @param int $attachment_id Attachment ID.
+ * @return string|false Path to the original image file or false if the attachment is not an image.
+ */
+function wp_get_attachment_original_image_url( $attachment_id ) {
+        if ( ! wp_attachment_is_image( $attachment_id ) ) {
+                return false;
+        }
+
+        $image_url = wp_get_attachment_image_url( $attachment_id, 'full' );
+
+        if ( empty( $image_url ) ) {
+                return false;
+        }
+
+        $image_meta = wp_get_attachment_metadata( $attachment_id );
+
+
+        if ( empty( $image_meta['original_image'] ) ) {
+                $original_image = $image_url;
+        } else {
+                $original_image = path_join( dirname( $image_url ), $image_meta['original_image'] );
+        }
+
+        /**
+         * Filters the URL to the original image.
+         *
+         * @since 5.3.0
+         *
+         * @param string $original_image URL to original image file.
+         * @param int    $attachment_id  Attachment ID.
+         */
+        return apply_filters( 'wp_get_attachment_original_url', $original_image, $attachment_id );
+}