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# yaz_sort

(PHP 4 >= 4.0.7, PECL yaz >= 0.9.0)

yaz_sort — Sets sorting criteria

### 설명

void yaz_sort ( resource `$id` , string `$criteria` )

This function sets sorting criteria and enables Z39.50 Sort.

Call this function before yaz_search(). Using this function alone does not have any effect. When used in conjunction with yaz_search(), a Z39.50 Sort will be sent after a search response has been received and before any records are retrieved with Z39.50 Present (yaz_present().

### 인수

`id`

  The connection resource returned by yaz_connect().

`criteria`

  A string that takes the form field1 flags1 field2 flags2 where field1 specifies the primary attributes for sort, field2 seconds, etc..

  The field specifies either a numerical attribute combinations consisting of type=value pairs separated by comma (e.g. 1=4,2=1) ; or the field may specify a plain string criteria (e.g. title. The flags is a sequence of the following characters which may not be separated by any white space.

  Sort Flags
  a

    Sort ascending

  d

    Sort descending

  i

    Case insensitive sorting

  s

    Case sensitive sorting

### 반환값

값을 반환하지 않습니다.

### 예제

Example #1 Sort Criterias

To sort on Bib1 attribute title, case insensitive, and ascending you would use the following sort criteria:

    1=4 ia

If the secondary sorting criteria should be author, case sensitive and ascending you would use:

    1=4 ia 1=1003 sa

yaz_set_option
yaz_syntax
YAZ 함수 목록
PHP Manual