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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 |
|---|---|
| 219 | /** |
| 220 | * Retrieve name of the current theme. |
| 221 | * |
| 222 | * @since 1.5.0 |
| 223 | * @uses apply_filters() Calls 'template' filter on template option. |
| 224 | * |
| 225 | * @return string Template name. |
| 226 | */ |
| 227 | function get_template() { |
| 228 | return apply_filters('template', get_option('template')); |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Retrieve current theme directory. |
| 233 | * |
| 234 | * @since 1.5.0 |
| 235 | * @uses apply_filters() Calls 'template_directory' filter on template directory path and template name. |
| 236 | * |
| 237 | * @return string Template directory path. |