Introduce 'name' parameter for get_terms().

This enhancement requires a modification in the way that `wp_dropdown_categories()`
prepares its arguments for `get_terms()`, so that its unrelated 'name' param is
not mistaken for the new 'name' argument in `get_terms()`.

Props danielbachhuber.
Fixes #30611.
Built from https://develop.svn.wordpress.org/trunk@31024


git-svn-id: http://core.svn.wordpress.org/trunk@31005 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/category-template.php

@@ -376,7 +376,12 @@ function wp_dropdown_categories( $args = '' ) {
 	if ( (int) $tab_index > 0 ) {
 		$tab_index_attribute = " tabindex=\"$tab_index\"";
 	}
-	$categories = get_terms( $r['taxonomy'], $r );
+
+	// Avoid clashes with the 'name' param of get_terms().
+	$get_terms_args = $r;
+	unset( $get_terms_args['name'] );
+	$categories = get_terms( $r['taxonomy'], $get_terms_args );
+
 	$name = esc_attr( $r['name'] );
 	$class = esc_attr( $r['class'] );
 	$id = $r['id'] ? esc_attr( $r['id'] ) : $name;