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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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40 |
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41 | /** |
42 | * Filters the nav_menu term retrieved for wp_get_nav_menu_object(). |
43 | * |
44 | * @since 4.3.0 |
45 | * |
46 | * @param object|false $menu_obj Term from nav_menu taxonomy, or false if nothing had been found. |
47 | * @param string $menu The menu ID, slug, or name passed to wp_get_nav_menu_object(). |
48 | */ |
49 | return apply_filters( 'wp_get_nav_menu_object', $menu_obj, $menu ); |
50 | } |
51 |
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52 | /** |
53 | * Check if the given ID is a navigation menu. |
54 | * |
55 | * Returns true if it is; false otherwise. |
56 | * |
57 | * @since 3.0.0 |
58 | * |