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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 |
|---|---|
| 233 | /** |
| 234 | * Retrieve name of the current theme. |
| 235 | * |
| 236 | * @since 1.5.0 |
| 237 | * @uses apply_filters() Calls 'template' filter on template option. |
| 238 | * |
| 239 | * @return string Template name. |
| 240 | */ |
| 241 | function get_template() { |
| 242 | return apply_filters('template', get_option('template')); |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * Retrieve current theme directory. |
| 247 | * |
| 248 | * @since 1.5.0 |
| 249 | * @uses apply_filters() Calls 'template_directory' filter on template directory path and template name. |
| 250 | * |
| 251 | * @return string Template directory path. |