//function examples
<?php
require_once('resources.php');
//$anzu['db_query']:
//Execute a sql query
$anzu['db_query']('query');


//$anzu['db_insert']:
//Used to insert rows to a table.
$anzu['db_insert']('table', array('row'), array('value'));

//$anzu['db_select']:
$db_return = $anzu['db_select']("table", '*', '');
while($posts =  mysql_fetch_assoc($db_return, MYSQL_ASSOC)){
    echo $posts['row_element'];
}
?>

//config.php

<?php

$db_host = 'localhost';
$db_user = 'user';
$db_pass = 'pass';
$db_name = 'db';

?>



//resources.php
<?php
require_once('config.php');

//our array functions
$anzu = array(
    'db_query' => 'tb_db_query',
    'db_insert' => 'tb_db_insert',
    'db_select' => 'tb_db_select'
);

function tb_db_connect(){
    //lets get our vars for the db connect
    global $db_host, $db_user, $db_name, $db_pass;
    //lets connect
    $connect = mysql_connect($db_host, $db_user, $db_pass) or die ('Error connecting to database');
    //select the db
    mysql_select_db($db_name);
    return $connect;
}


function tb_db_select($table, $fields, $special){
    $connect = tb_db_connect();
    if($fields != '*'){
        $str = implode(', ',$fields);
    }
    //seup the query
    $db_query = 'SELECT '.$str.' FROM '.$table.' '.$special;
    //run the query
    $db_return = mysql_query($db_query) or die(mysql_error());
    //close the db connection
    mysql_close($connect);
    //return what the db had to say
    return $db_return;
}

//database
function tb_db_query($string){
    $connect = tb_db_connect();
    //do the thing with the stuff
    $db_return = mysql_query($string) or die(mysql_error());
    //close it
    mysql_close($connect);
    //return?
    return $db_return;
}

function tb_db_insert($db_table, $fields, $values){
    $connect = tb_db_connect();
    //setup the array for the clean vars
    $clean = array();
    //clean them for sql
    foreach($values as $v){
        array_push($clean, mysql_real_escape_string($v));
    }
    //seup the query
    $db_query = 'INSERT INTO '.$db_table.' ('.implode(',',$fields).') VALUES("'.implode('", "',$clean).'")';
    //run the query
    $db_return = mysql_query($db_query) or die(mysql_error());
    //close the db connection
    mysql_close($connect);
    //return what the db had to say
    return $db_return;

}
?>