Permalink
Fetching contributors…
Cannot retrieve contributors at this time
49 lines (40 sloc) 1.31 KB
<?php
function coauthors_plus_upgrade( $from ) {
// TODO: handle upgrade failures
if ( $from < 2.0 ) {
coauthors_plus_upgrade_20();
}
}
/**
* Upgrade to 2.0
* Updates coauthors from old meta-based storage to taxonomy-based
*/
function coauthors_plus_upgrade_20() {
global $coauthors_plus;
// Get all posts with meta_key _coauthor
$all_posts = get_posts( array( 'numberposts' => '-1', 'meta_key' => '_coauthor' ) );
if ( is_array( $all_posts ) ) {
foreach ( $all_posts as $single_post ) {
// reset execution time limit
set_time_limit( 60 );
// create new array
$coauthors = array();
// get author id -- try to use get_profile
$coauthor = get_user_by( 'id', (int) $single_post->post_author );
if ( is_object( $coauthor ) ) {
$coauthors[] = $coauthor->user_login;
}
// get coauthors id
$legacy_coauthors = get_post_meta( $single_post->ID, '_coauthor' );
if ( is_array( $legacy_coauthors ) ) {
foreach ( $legacy_coauthors as $legacy_coauthor ) {
$legacy_coauthor_login = get_user_by( 'id', (int) $legacy_coauthor );
if ( is_object( $legacy_coauthor_login ) && ! in_array( $legacy_coauthor_login->user_login, $coauthors ) ) {
$coauthors[] = $legacy_coauthor_login->user_login;
}
}
}
$coauthors_plus->add_coauthors( $single_post->ID, $coauthors );
}
}
}