<?php
abstract class PDONamespace {
public static $connections;
public static $conf = array();
}
#grab a pdo connection; create it if needed;
function pdo($db) {
if (!PDONamespace::$connections[$db]) {
if (!PDONamespace::$conf[$db]) return false; //init hasnt been run
//go on and create the connection
$conf = PDONamespace::$conf[$db];
$dsn = $conf['dsn']; //some sort of PDO weirdness
PDONamespace::$connections[$db] = new PDO($dsn, $conf['user'], $conf['pwd']);
}
return PDONamespace::$connections[$db];
}
#initialize the given configuration file
function pdo_init($conn_name, $conf_array) {
$newConf = array($conn_name=>$conf_array);
PDONamespace::$conf = array_merge(PDONamespace::$conf, $newConf);
return true;
}
#abstracts getting configuration from a file (checks apc first)
#TODO: move this to a conf library;
function fetch_conf_file($fname) {
$apc = function_exists('apc_fetch'); //do we have apc?
$key = 'pdo_conf_'.md5(fname);
if ($apc) {
$apc_value = apc_fetch($key);
if ($apc_value) return unserialize($apc_value);
}
$fcontents = parse_ini_file($fname, true);
if ($apc) {
apc_store($key, serialize($fcontents));
}
return $fcontents;
}
?>
