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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 |
|---|---|
| 1538 | $theme_template = STYLESHEETPATH . $file; |
| 1539 | |
| 1540 | /** |
| 1541 | * Filters the path to the theme template file used for the comments template. |
| 1542 | * |
| 1543 | * @since 1.5.1 |
| 1544 | * |
| 1545 | * @param string $theme_template The path to the theme template file. |
| 1546 | */ |
| 1547 | $include = apply_filters( 'comments_template', $theme_template ); |
| 1548 | |
| 1549 | if ( file_exists( $include ) ) { |
| 1550 | require $include; |
| 1551 | } elseif ( file_exists( TEMPLATEPATH . $file ) ) { |
| 1552 | require TEMPLATEPATH . $file; |
| 1553 | } else { // Backward compat code will be removed in a future release. |
| 1554 | require ABSPATH . WPINC . '/theme-compat/comments.php'; |
| 1555 | } |
| 1556 | } |