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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 |
---|---|
1507 |
|
1508 | /** |
1509 | * Filter post data array to be inserted via XML-RPC. |
1510 | * |
1511 | * @since 3.4.0 |
1512 | * |
1513 | * @param array $post_data Parsed array of post data. |
1514 | * @param array $content_struct Post data array. |
1515 | */ |
1516 | $post_data = apply_filters( 'xmlrpc_wp_insert_post_data', $post_data, $content_struct ); |
1517 |
|
1518 | $post_ID = $update ? wp_update_post( $post_data, true ) : wp_insert_post( $post_data, true ); |
1519 | if ( is_wp_error( $post_ID ) ) |
1520 | return new IXR_Error( 500, $post_ID->get_error_message() ); |
1521 |
|
1522 | if ( ! $post_ID ) |
1523 | return new IXR_Error( 401, __( 'Sorry, your entry could not be posted. Something wrong happened.' ) ); |
1524 |
|
1525 | return strval( $post_ID ); |