Validate::file_valid_type()

Method: Check file array contain allowed mime types.

Validate::validate_upload()

Method: Validate an upload field.

Radio

Class: The Radio type field object.

Validate::validate_not_zero()

Method: Validate if value is not zero.

Validate::validate_is_email()

Method: Validate `is_email` field.

Validate::sanitize_tags_field()

Method: Sanitize tags field.

Validate::sanitize_upload()

Method: Sanitize upload field.

Validate::validate_required()

Method: Validate `required` field.

Validate::pre_content()

Method: Callback for replacing contents inside

 tag.

Validate::code_content()

Method: Callback for replacing contents inside tag.