wpseek.com A WordPress-centric search engine for devs and theme authors Functions Filters Actions Constants XINGTwitterFacebookDelicious De term waar u naar zoekt lijkt geen geldige functienaam of Template Tag te zijn.Related Functions:wp_upgradeupgrade_networkdo_core_upgrade_upgrade_cron_arraycore_upgrade_preambleRelated Hooks:after_db_upgradeafter_mu_upgradecore_upgrade_preambledo_mu_upgradeupgrader_post_installupgrader_pre_downloadupgrader_pre_installwp_upgradewpmu_upgrade_pagewpmu_upgrade_site