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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 |
|---|---|
| 335 | |
| 336 | function get_home_template() { |
| 337 | $template = ''; |
| 338 | |
| 339 | if ( file_exists(TEMPLATEPATH . "/home.php") ) |
| 340 | $template = TEMPLATEPATH . "/home.php"; |
| 341 | elseif ( file_exists(TEMPLATEPATH . "/index.php") ) |
| 342 | $template = TEMPLATEPATH . "/index.php"; |
| 343 | |
| 344 | return apply_filters('home_template', $template); |
| 345 | } |
| 346 | |
| 347 | function get_page_template() { |
| 348 | global $wp_query; |
| 349 | |
| 350 | $id = (int) $wp_query->post->ID; |
| 351 | $template = get_post_meta($id, '_wp_page_template', true); |
| 352 | |
| 353 | if ( 'default' == $template ) |