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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 |
|---|---|
| 1623 | |
| 1624 | /** |
| 1625 | * Filters post data array to be inserted via XML-RPC. |
| 1626 | * |
| 1627 | * @since 3.4.0 |
| 1628 | * |
| 1629 | * @param array $post_data Parsed array of post data. |
| 1630 | * @param array $content_struct Post data array. |
| 1631 | */ |
| 1632 | $post_data = apply_filters( 'xmlrpc_wp_insert_post_data', $post_data, $content_struct ); |
| 1633 | |
| 1634 | $post_ID = $update ? wp_update_post( $post_data, true ) : wp_insert_post( $post_data, true ); |
| 1635 | if ( is_wp_error( $post_ID ) ) { |
| 1636 | return new IXR_Error( 500, $post_ID->get_error_message() ); |
| 1637 | } |
| 1638 | |
| 1639 | if ( ! $post_ID ) { |
| 1640 | return new IXR_Error( 401, __( 'Sorry, your entry could not be posted.' ) ); |
| 1641 | } |