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File: pgsqlCascadeSelectAssoc.php

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  Classes of Roberto Andrade Fonseca  >  Cascade Select Associative  >  pgsqlCascadeSelectAssoc.php  >  Download  
File: pgsqlCascadeSelectAssoc.php
Role: Example script
Content type: text/plain
Description: PostgreSQL and PEAR DB functions to retrieve the data as associative arrays
Class: Cascade Select Associative
Generate two dependent HTML form select inputs
Author: By
Last change:
Date: 10 years ago
Size: 1,984 bytes
 

Contents

Class file image Download
<?php
require_once 'DB.php';
//------------------------------------------------------------------------------------------
// Get mother data from PostgreSQL as an associative array for cascade select.
// motherTable: The table with the mother data.
// motherPk: The primary key of the table with the mother data.
// motherValue: The mother data value.
//------------------------------------------------------------------------------------------
function getMotherData($dbserver,$dbuser,$dbpass,$dbname,$motherTable, $motherPk, $motherValue){
       
$driver='pgsql';
       
$dsn=$driver.'://'.$dbuser.':'.$dbpass.'@'.$dbserver.'/'.$dbname;
       
$dbh=DB::connect($dsn);
        if(
DB::isError($dbh)) { die("Connection Error: ".$dbh->getMessage()); }
       
$query = "SELECT $motherPk, $motherValue FROM $motherTable;";
       
$data = $dbh->getAssoc($query);
        return
$data;
}

//------------------------------------------------------------------------------------------
// Get child data from PostgreSQL as an associative array for cascade select.
// childTable: The table with the child data.
// childFk: The foreing key of the table with the child data.
// childPk: The primary key of the table with the child data.
// childValue: The child data value.
//------------------------------------------------------------------------------------------
function getChildData($dbserver,$dbuser,$dbpass,$dbname,$childTable,$childFk,$childPk,$childValue)
{
       
$driver='pgsql';
       
$dsn=$driver.'://'.$dbuser.':'.$dbpass.'@'.$dbserver.'/'.$dbname;
       
$dbh=DB::connect($dsn);
        if(
DB::isError($dbh)) { die("Connection Error: ".$dbh->getMessage()); }
       
$query = "select $childFk, $childPk, $childValue from $childTable;";
       
$result= $dbh->query($query);
       
$dbh->setFetchMode(DB_FETCHMODE_ORDERED);
       
$data = array();
        while (
$row = $result->fetchRow()) {
              
$data[$row[0]][$row[1]] = $row[2];
        }
        return
$data;
}
?>