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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 | 
|---|---|
| 5548 |           /** | 
| 5549 |            * Filters the capability to read private posts for a custom post type | 
| 5550 |            * when generating SQL for getting posts by author. | 
| 5551 |            * | 
| 5552 |            * @since 2.2.0 | 
| 5553 |            * @deprecated 3.2.0 The hook transitioned from "somewhat useless" to "totally useless". | 
| 5554 |            * | 
| 5555 |            * @param string $cap Capability. | 
| 5556 |            */ | 
| 5557 |           if ( ! $cap = apply_filters( 'pub_priv_sql_capability', '' ) ) { | 
| 5558 |                $cap = current_user_can( $post_type_obj->cap->read_private_posts ); | 
| 5559 |           } | 
| 5560 |  | 
| 5561 |           // Only need to check the cap if $public_only is false. | 
| 5562 |           $post_status_sql = "post_status = 'publish'"; | 
| 5563 |           if ( false === $public_only ) { | 
| 5564 |                if ( $cap ) { | 
| 5565 |                     // Does the user have the capability to view private posts? Guess so. | 
| 5566 |                     $post_status_sql .= " OR post_status = 'private'"; |