{"id":3743630,"date":"2013-05-12T05:42:17","date_gmt":"2013-05-12T05:42:17","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/how-to-validate-a-custom-field\/"},"modified":"2016-08-21T00:56:56","modified_gmt":"2016-08-21T00:56:56","slug":"how-to-validate-a-custom-field","status":"closed","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/how-to-validate-a-custom-field\/","title":{"rendered":"how to validate a  custom field?"},"content":{"rendered":"<p>i add a custom field ,users can input phone numbers only,but  how to validate the custom field  ?<\/p>\n<p>https:\/\/wordpress.org\/extend\/plugins\/wp-user-frontend\/<\/p>\n","protected":false},"template":"","class_list":["post-3743630","topic","type-topic","status-closed","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/3743630","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/3743630\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=3743630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}