{"id":16922647,"date":"2023-07-25T22:21:17","date_gmt":"2023-07-25T22:21:17","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/field-hooks\/"},"modified":"2023-07-25T22:21:17","modified_gmt":"2023-07-25T22:21:17","slug":"field-hooks","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/field-hooks\/","title":{"rendered":"Field hooks"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Is there a PHP hook to call to modify the data input into the field before it is saved?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I want to be able to force the input to be lower case for tags.<\/p>\n","protected":false},"template":"","class_list":["post-16922647","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/16922647","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\/16922647\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=16922647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}