hook_field_access

function hook_field_access

hook_field_access($op, $field, $entity_type, $entity, $account)

Determine whether the user has access to a given field.

This hook is invoked from field_access() to let modules block access to operations on fields. If no module returns FALSE, the operation is allowed.

$op: The operation to be performed. Possible values: 'edit', 'view'.

$field: The field on which the operation is to be performed.

$entity_type: The type of $entity; for example, 'node' or 'user'.

$entity: (optional) The entity for the operation.

$account: (optional) The account to check; if not given use currently logged in