Home › Forums › ACF PRO › How to replace custom post type slug by an ACF value? › Reply To: How to replace custom post type slug by an ACF value?
It would depend on the order that things happen. Usually you add custom post types on the init hook. ACF also initializes on the init hook. To use get_field() ACF needs to be initialized before you try to get the value. You may also run into an issue if you try to get a field before ACF fires the acf/include_fields hook.
In this case, assuming that this is on an options page, I would use the built in WP function get_option() to get the ACF field value. Usually on an options page the option name will be “options_YOUR-FIELD-NAME”. Doing this you don’t need to worry about ACF when you register your post type.
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