create a field programmatically for all content types
97420
How to programmatically create Fields?
89875
Programmatically get the list of fields of a custom content
7646
How to I add a node reference field using the Webform module?
94118
Programmatically update a field's value
21695
When is it appropriate to create an entity instead of a new content type?
112293
How to give class name to the text field in drupal
149713
How to properly manage field types for a content type created by a module?
31896
What approach for showing custom user fields on a node?
117933
Transfer subtype Descriptions form long integer value into a string at new diffrent field
90054
Importing Nodes to D7 with all custom fields
31759
How to set value of file field with entity_metadata_wrapper
113788
How to manually or programmatically delete a field?
938
How can I get the list of all fields(API name,Label,type) of any sObject?
41642
Display of content-type
33881
How to get image name, mime type, width, height, file size from post custom field?
22928
How do you use forms to populate content type fields?
143380
Managed metadata columns in document information panel with multiple content types