A built-in template for PHP class field doc comment.

Predefined variables will take the following values:
${NAME}		Field name.
${CLASS_NAME}		Class name.
${STATIC}		Takes the value of "static" if the field is static or an empty string otherwise.
${NAMESPACE}		A fully qualified name of the field namespace without a leading slash.
${DS}		Dollar sign, evaluates to a plain '$' character.
${CARET}		Marks a position where the caret must be moved after the comment is added.