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Cast class names to an array to avoid a potential warning.

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props briandichiara
fixes #29743

git-svn-id: https://develop.svn.wordpress.org/trunk@30032 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Mark Jaquith 2014-10-26 23:18:03 +00:00
parent ae0ae95be6
commit 48325023e2
1 changed files with 1 additions and 1 deletions
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src/wp-includes/nav-menu-template.php
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@ -95,7 +95,7 @@ class Walker_Nav_Menu extends Walker {
* @param object $item The current menu item.
* @param array $args An array of wp_nav_menu() arguments.
*/
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
$class_names = join( ' ', (array) apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
/**