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PHP:pg_version()的用法_PostgreSQL函数
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(PHP 5)
pg_version — Returns an array with client, protocol and server version (when available)
说明 array pg_version ([ resource $connection ] )pg_version() returns an array with the client, protocol and server version. Protocol and server versions are only available if PHP was compiled with PostgreSQL 7.4 or later.
For more detailed server information, use pg_parameter_status().
参数connection 
PostgreSQL database connection resource. When connection is not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().
返回值Returns an array with client, protocol and server keys and values (if available). Returns FALSE on error or invalid connection.
范例
Example #1 pg_version() example
<?php$dbconn=pg_connect("host=localhostport=dbname=mary")ordie("Couldnotconnect");$v=pg_version($dbconn);echo$v['client'];?>以上例程会输出：
参见pg_parameter_status() - Looks up a current parameter setting of the server.
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