Runs before a query is executed in the main query or any instance of WP_Query, such as query_posts, get_posts, or get_children. Action function arguments: WP_Query object by reference.
This description was scraped automatically from the WordPress filter reference or action reference. If it looks like this is the wrong description, please tell me so I can fix my code.
This database has information for all major versions from WP 1.2.1 through 3.5.
| Version | File | Line | Type | |
|---|---|---|---|---|
| 2.0 | wp-includes/classes.php | 262 | View hook in source | action |
| 2.0.11 | wp-includes/classes.php | 272 | View hook in source | action |
| 2.1 | wp-includes/query.php | 573 | View hook in source | action |
| 2.2 | wp-includes/query.php | 643 | View hook in source | action |
| 2.3 | wp-includes/query.php | 733 | View hook in source | action |
| 2.5 | wp-includes/query.php | 811 | View hook in source | action |
| 2.6 | wp-includes/query.php | 815 | View hook in source | action |
| 2.7 | wp-includes/query.php | 1565 | View hook in source | action |
| 2.8 | wp-includes/query.php | 1567 | View hook in source | action |
| 2.9 | wp-includes/query.php | 1549 | View hook in source | action |
| 3.0 | wp-includes/query.php | 1611 | View hook in source | action |
| 3.1 | wp-includes/query.php | 1877 | View hook in source | action |
| 3.2 | wp-includes/query.php | 1911 | View hook in source | action |
| 3.3 | wp-includes/query.php | 1923 | View hook in source | action |
| 3.4 | wp-includes/query.php | 1922 | View hook in source | action |
| 3.5 | wp-includes/query.php | 1924 | View hook in source | action |
We find related hooks using word stems. pre_get_posts has 1 significant word stem(s): posts. Note that some of the hooks below may not appear in all versions of WP.