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yaz_connect

yaz_connect

Prepares for a connection to a Z39.50 server

mixed **yaz_connect** string $zurl mixed $options

This function returns a connection resource on success, zero on failure.

prepares for a connection to a

Z39.50 server. This function is non-blocking and does not attempt to establish a connection - it merely prepares a connect to be performed later when is called. yaz_connect``yaz_wait

Opmerking: > The is a freely available Z39.50 proxy. YAZ proxy

zurl A string that takes the form . If port is omitted, port 210 is used. If database is omitted is used. host[:port][/database]``Default

optionsIf given as a string, it is treated as the Z39.50 V2 authentication string (OpenAuth).

   If given as an array, the contents of the array serves as options.
   
  Username for authentication.

Group for authentication.

Password for authentication.

Cookie for session (YAZ proxy).

Proxy for connection (YAZ proxy).

A boolean. If true the connection is persistent; If false the connection is not persistent. By default connections are persistent.

Opmerking: > If you open a persistent connection, you won't be able to close it later with . yaz_close

A boolean. If true piggyback is enabled for searches; If false piggyback is disabled. By default piggyback is enabled.

Enabling piggyback is more efficient and usually saves a network-round-trip for first time fetches of records. However, a few Z39.50 servers do not support piggyback or they ignore element set names. For those, piggyback should be disabled.

       A string that specifies character set to be used in Z39.50 
       language and character set negotiation. Use strings such as:
       , , 
       .
      `ISO-8859-1``UTF-8``UTF-16`

Most Z39.50 servers do not support this feature (and thus, this is ignored). Many servers use the ISO-8859-1 encoding for queries and messages. MARC21/USMARC records are not affected by this setting.

       An integer that specifies the maximum byte size of all records
       to be returned by a target during retrieval. See the
        for more
       information.
      Z39.50 standard

Opmerking: > This option is supported in PECL YAZ 1.0.5 or later.

       An integer that specifies the maximum byte size of a single record
       to be returned by a target during retrieval. This
       entity is referred to as Exceptional-record-size in the
      .
      Z39.50 standard

Opmerking: > This option is supported in PECL YAZ 1.0.5 or later.

A connection resource on success, false on error.

yaz_close

Vorige ← yaz_close Volgende yaz_database →

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