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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 |
|---|---|
| 273 | $args = wp_parse_args( $args, $defaults ); |
| 274 | |
| 275 | /** |
| 276 | * Filters the array of arguments used when generating the search form. |
| 277 | * |
| 278 | * @since 5.2.0 |
| 279 | * |
| 280 | * @param array $args The array of arguments for building the search form. |
| 281 | */ |
| 282 | $args = apply_filters( 'search_form_args', $args ); |
| 283 | |
| 284 | $format = current_theme_supports( 'html5', 'search-form' ) ? 'html5' : 'xhtml'; |
| 285 | |
| 286 | /** |
| 287 | * Filters the HTML format of the search form. |
| 288 | * |
| 289 | * @since 3.6.0 |
| 290 | * @since 5.5.0 The `$args` parameter was added. |
| 291 | * |