Media: ensure wp_get_attachment_image uses valid user-provided width and height.

Fix a bug introduced in WordPress 6.8.2 (r60415) that led to user supplied values for width and height in the $attr array passed to `wp_get_attachment_image` to be overwritten.

Props rainbowgeek, ocean90, rollybueno, shreya0shrivastava, heybran, mukesh27.
Fixes #63714.

Built from https://develop.svn.wordpress.org/trunk@60641


git-svn-id: http://core.svn.wordpress.org/trunk@59977 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/media.php

@@ -1091,9 +1091,17 @@ function wp_get_attachment_image( $attachment_id, $size = 'thumbnail', $icon = f
 		 */
 		$context = apply_filters( 'wp_get_attachment_image_context', 'wp_get_attachment_image' );
 
-		$attr           = wp_parse_args( $attr, $default_attr );
-		$attr['width']  = $width;
-		$attr['height'] = $height;
+		$attr = wp_parse_args( $attr, $default_attr );
+
+		// Ensure that the `$width` doesn't overwrite an already valid user-provided width.
+		if ( ! isset( $attr['width'] ) || ! is_numeric( $attr['width'] ) ) {
+			$attr['width'] = $width;
+		}
+
+		// Ensure that the `$height` doesn't overwrite an already valid user-provided height.
+		if ( ! isset( $attr['height'] ) || ! is_numeric( $attr['height'] ) ) {
+			$attr['height'] = $height;
+		}
 
 		$loading_optimization_attr = wp_get_loading_optimization_attributes(
 			'img',

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.9-alpha-60640';
+$wp_version = '6.9-alpha-60641';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.