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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 |
|---|---|
| 1605 | $theme_template = trailingslashit( $wp_stylesheet_path ) . $file; |
| 1606 | |
| 1607 | /** |
| 1608 | * Filters the path to the theme template file used for the comments template. |
| 1609 | * |
| 1610 | * @since 1.5.1 |
| 1611 | * |
| 1612 | * @param string $theme_template The path to the theme template file. |
| 1613 | */ |
| 1614 | $include = apply_filters( 'comments_template', $theme_template ); |
| 1615 | |
| 1616 | if ( file_exists( $include ) ) { |
| 1617 | require $include; |
| 1618 | } elseif ( file_exists( trailingslashit( $wp_template_path ) . $file ) ) { |
| 1619 | require trailingslashit( $wp_template_path ) . $file; |
| 1620 | } else { // Backward compat code will be removed in a future release. |
| 1621 | require ABSPATH . WPINC . '/theme-compat/comments.php'; |
| 1622 | } |
| 1623 | } |