A built-in template for PHP constructor.
Predefined variables will take the following values:
${PARAM_LIST}   A comma-separated list of constructor parameters, one for each selected field.
${PARAM_DOC}   Parameters' doc comment.
Generated as a number of lines '* @param type name". If there are no parameters, evaluates to an empty content.
${THROWS_DOC}   Exceptions' doc comment.
Generated as a number of lines '* @throws type". If there are no thrown exceptions, evaluates to an empty content.
${CLASS_NAME}   Class name.
${BODY}   Constructor body containing "$this->field=$field;" assignments.