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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 |
|---|---|
| 277 | */ |
| 278 | function get_template() { |
| 279 | /** |
| 280 | * Filter the name of the current theme. |
| 281 | * |
| 282 | * @since 1.5.0 |
| 283 | * |
| 284 | * @param string $template Current theme's directory name. |
| 285 | */ |
| 286 | return apply_filters( 'template', get_option( 'template' ) ); |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * Retrieve current theme directory. |
| 291 | * |
| 292 | * @since 1.5.0 |
| 293 | * |
| 294 | * @return string Template directory path. |
| 295 | */ |