wpseek.com A WordPress-centric search engine for devs and theme authors Functions Filters Actions Constants XINGTwitterFacebookDelicious The term you are searching for doesn't seem to be a valid function name or Template Tag.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