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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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289 | } |
290 |
|
291 | /** |
292 | * Filters the HTML output of the search form. |
293 | * |
294 | * @since 2.7.0 |
295 | * |
296 | * @param string $form The search form HTML output. |
297 | */ |
298 | $result = apply_filters( 'get_search_form', $form ); |
299 |
|
300 | if ( null === $result ) { |
301 | $result = $form; |
302 | } |
303 |
|
304 | if ( isset( $args['echo'] ) && $args['echo'] ) { |
305 | echo $result; |
306 | } else { |
307 | return $result; |