* of the SM_ABOOK_FIELD_* constants
* defined in include/constants.php
* (OPTIONAL; defaults to nickname field)
+ * NOTE: uniqueness is only guaranteed
+ * when the nickname field is used here;
+ * otherwise, the first matching address
+ * is returned.
*
* @return array Array with lookup results when the value
* was found, an empty array if the value was
* of the SM_ABOOK_FIELD_* constants
* defined in include/constants.php
* (OPTIONAL; defaults to nickname field)
+ * NOTE: uniqueness is only guaranteed
+ * when the nickname field is used here;
+ * otherwise, the first matching address
+ * is returned.
*
* @return array Array with lookup results when the value
* was found, an empty array if the value was
* of the SM_ABOOK_FIELD_* constants
* defined in include/constants.php
* (OPTIONAL; defaults to nickname field)
+ * NOTE: uniqueness is only guaranteed
+ * when the nickname field is used here;
+ * otherwise, the first matching address
+ * is returned.
*
* @return array Array with lookup results when the value
* was found, an empty array if the value was
* of the SM_ABOOK_FIELD_* constants
* defined in include/constants.php
* (OPTIONAL; defaults to nickname field)
+ * NOTE: uniqueness is only guaranteed
+ * when the nickname field is used here;
+ * otherwise, the first matching address
+ * is returned.
*
* @return mixed Array with lookup results when the value
* was found, an empty array if the value was
* @param integer $field The field to look in, should be one
* of the SM_ABOOK_FIELD_* constants
* defined in include/constants.php
+ * NOTE: uniqueness is only guaranteed
+ * when the nickname field is used here;
+ * otherwise, the first matching address
+ * is returned.
*
* @return mixed Array with lookup results when the value
* was found, an empty array if the value was