Settings (Preferences) → Editor → File and Code Templates → Includes → PHP Class Doc Comment

/**
 * Class ${NAME}
#if (${NAMESPACE}) * @package ${NAMESPACE}
#end
 */

Settings (Preferences) → Editor → File and Code Templates → Includes → PHP Interface Doc Comment

/**
 * Interface ${NAME}
#if (${NAMESPACE}) * @package ${NAMESPACE}
#end
 */

Settings (Preferences) → Editor → File and Code Templates → Includes → PHP Trait Doc Comment

/**
 * Trait ${NAME}
#if (${NAMESPACE}) * @package ${NAMESPACE}
#end
 */