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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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62 |
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63 | /** |
64 | * Filters the HTML format of widgets with navigation links. |
65 | * |
66 | * @since 5.5.0 |
67 | * |
68 | * @param string $format The type of markup to use in widgets with navigation links. |
69 | * Accepts 'html5', 'xhtml'. |
70 | */ |
71 | $format = apply_filters( 'navigation_widgets_format', $format ); |
72 |
|
73 | if ( 'html5' === $format ) { |
74 | // The title may be filtered: Strip out HTML and make sure the aria-label is never empty. |
75 | $title = trim( strip_tags( $title ) ); |
76 | $aria_label = $title ? $title : $default_title; |
77 |
|
78 | $nav_menu_args = array( |
79 | 'fallback_cb' => '', |
80 | 'menu' => $nav_menu, |