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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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287 | * Filters the HTML format of the search form. |
288 | * |
289 | * @since 3.6.0 |
290 | * @since 5.5.0 The `$args` parameter was added. |
291 | * |
292 | * @param string $format The type of markup to use in the search form. |
293 | * Accepts 'html5', 'xhtml'. |
294 | * @param array $args The array of arguments for building the search form. |
295 | */ |
296 | $format = apply_filters( 'search_form_format', $format, $args ); |
297 |
|
298 | $search_form_template = locate_template( 'searchform.php' ); |
299 |
|
300 | if ( '' !== $search_form_template ) { |
301 | ob_start(); |
302 | require $search_form_template; |
303 | $form = ob_get_clean(); |
304 | } else { |
305 | // Build a string containing an aria-label to use for the search form. |