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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 |
|---|---|
| 4041 | /** |
| 4042 | * Fires once the post data has been setup. |
| 4043 | * |
| 4044 | * @since 2.8.0 |
| 4045 | * @since 4.1.0 Introduced `$this` parameter. |
| 4046 | * |
| 4047 | * @param WP_Post $post The Post object (passed by reference). |
| 4048 | * @param WP_Query $this The current Query object (passed by reference). |
| 4049 | */ |
| 4050 | do_action_ref_array( 'the_post', array( &$post, &$this ) ); |
| 4051 | |
| 4052 | return true; |
| 4053 | } |
| 4054 | /** |
| 4055 | * After looping through a nested query, this function |
| 4056 | * restores the $post global to the current post in this query. |
| 4057 | * |
| 4058 | * @since 3.7.0 |
| 4059 | * |