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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 |
|---|---|
| 108 | /** |
| 109 | * Retrieve name of the current theme. |
| 110 | * |
| 111 | * @since 1.5.0 |
| 112 | * @uses apply_filters() Calls 'template' filter on template option. |
| 113 | * |
| 114 | * @return string Template name. |
| 115 | */ |
| 116 | function get_template() { |
| 117 | return apply_filters('template', get_option('template')); |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Retrieve current theme directory. |
| 122 | * |
| 123 | * @since 1.5.0 |
| 124 | * @uses apply_filters() Calls 'template_directory' filter on template directory path and template name. |
| 125 | * |
| 126 | * @return string Template directory path. |