Class: PHP-PGSQL

1. connection --> Function connection()
2. query --> Function query($string)
3. num_rows --> Function nums($string="",$qid="")
4. object --> Function objects($string="",$qid="")
5. insert --> Function insert($tb_name,$cols,$val,$astriction)
6. update --> Function update($tb_name,$string,$astriction)
7. delete --> Function del($tb_name,$astriction)

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Extra Announce
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You can add this script to PHP-MYSQL-MSSQL class
(you can find it at http://www.phpclasses.org/browse.html/package/657.html)
to make those classes more useful , all you have to do just edit setting.inc.php
add follow lines

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elseif($sql_type == "3"){
include_once("pgsql.inc.php");
}
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If you know an application of this package, send a message to the author to add a link here.