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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 |
---|---|
1674 | * @type int $ID Post ID. |
1675 | * @type string $title The trimmed, escaped post title. |
1676 | * @type string $permalink Post permalink. |
1677 | * @type string $info A 'Y/m/d'-formatted date for 'post' post type, |
1678 | * the 'singular_name' post type label otherwise. |
1679 | * } |
1680 | * } |
1681 | * @param array $query An array of WP_Query arguments. |
1682 | */ |
1683 | $results = apply_filters( 'wp_link_query', $results, $query ); |
1684 |
|
1685 | return ! empty( $results ) ? $results : false; |
1686 | } |
1687 |
|
1688 | /** |
1689 | * Dialog for internal linking. |
1690 | * |
1691 | * @since 3.1.0 |
1692 | * |