PHP :: Storing Classes

Static Classes Vs. Singleton Classes Vs. Globals
Sometimes I want to use certain data and functions anywhere in my code;
for example, when writing logging routines. In PHP5 I could write a
class with all static members and functions, a singleton class, or a
regular class assigned to a global variable. What would be the
advantages of each?

In Java web-apps (or in non-web applications), these classes persist
for much longer, so it's easier to see the reasons for using them. But
in PHP, it seems like you could do pretty much the same thing with all
three.

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Classes Within Classes Scope Question
I have two classes, A and B. B is created as an object within A, but also needs to use a variable within A. How do you reference it? Example,

class A {
var somevar = "test";
A { $obj = new B (); }
}

class B {
B { print ( * $somevar from the A class * ); }
}

The class B is trying to use the variable $somevar declared in class A. I just don't know how to use the variable.

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Using Classes Inside Of Other Classes
I'm wondering how to use another class inside a preexisting class, without passing the constructor in the preexisting class an object from a file that contains a new declaration.

IE: Instead of doing something like this...

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Why Use Classes?
I feel that i mastered functions and now there is something called classes. What makes it superior to functions? Is it better to use them?

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PDF , Classes, And PHP
I'm stuck at first base here. Currently working on turning a rather static PDF building script into a more modular, OO PHP app.

I have scaled this example down to the bare bones, trying to see what the heck is going wrong. It recognizes that is should spawn a pdf file, but then there is just no data. Nothing, no error, no helper app.

I'm only a week or so into PDFs and only a couple of days into OO with PHP, so I'm on the lookout for the obvious. I do have PHP/PDF apps that run fine off the same system.

Here is the class:
<?
error_reporting(E_ERROR);
/********************************************
pdfReport.class.php - description
********************************************/
/*
common functions / classes
*/
//class used to build rectangles - how exciting (-:
class pdfReport{
//define our common properties
//page properties
var $pdf;
function createPDF() {
header("Content-type: application/pdf");
header("Content-Dispositions: filename=report.pdf");
$this -> pdf = pdf_open();
pdf_begin_page($pdf, 612, 792);
}//end function createPDF
function closePDF() {
pdf_close($pdf);
}//end function pdf_close
function buildText() {
pdf_set_font($pdf, "Times-Roman", 15, "host");
pdf_show_xy($pdf, "Active Case Review Quarterly Report", 25, 780);
pdf_set_font($pdf, "Times-Roman", 26, "host");
}//end function buildText
}//end class
?>
And here is the page where I call the class:
<?
include("test.class.php");
//error_reporting(E_ERROR);
//create a report
$quarterlyPDF = new pdfReport;
$quarterlyPDF -> createPDF();
$quarterlyPDF -> buildText();
$quarterlyPDF -> closePDF();
//end pdf document
?>

thanks much for any input.

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Value Of PHP Classes?
So PHP classes are pretty cool. But what is the value they provide? I understand the value of OO, but in the PHP environment, every class you instantiate lives only in the span of that request. There is no concept of singleton classes, or classes that remain across requests. The notion of allocating new memory for every instance of a class for every request seems wasteful. Thoughts?

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Why Uses Classes?
I've read a DevShed article about classes in PHP, but still can't see a practical application for them considering you can use functions throughout your script, or (such as classes) include classes for certain scripts.

Can anyone tell me clearcut, what they are and why I'd use one, and in what instance?

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Classes
I've been introduced to the concept of classes in PHP. Everyone says that they're the essence of object oriented programming and that they are extremely useful. Could someone give me an example of a good use of classes?

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Classes - Why Would I Want To Use Classes In PHP?
okay, this is really (!) embarassing, but I have to ask:
Why would I want to use classes in PHP?

I have been using PHP for years now and writing the "normal" functions all
the time. I have never even bothered working with classes, but now I would
love to know what makes the classes so special......

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DIR CLASSES Wth Is This?
ok, I have the following code:
this file is called cont.php:

<?php
require_once(DIR_CLASSES . 'container/containerbase.php');
.
.
class Container extends Containerbase
{
.
.
.
class def's
.
.
}
?>

Now nowhere in the containerbase.php file is the value DIR_CLASSES defined and its not some PHP global value. I also have no common.inc file that might define this value.

Where/How do I define the DIR_CLASSES value?

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Using PHP Classes ... When?
I have been using PHP for a few years but never used classes. I
understand how they are created and how they work but was unsure about
when you use them.

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Php Classes Within Classes?
I've been programming PHP for about 2 years and have dabbled with
classes. I'm working on a project and can't seam to figure out how to
use classes within classes. For example:

--foo.class.php--
<?
class Foo
{
var $test1;
function Foo()
{
require_once('bar.class.php');
$test1=new Bar();
}

function testFooBar()
{
return $this->test1->testBar();
}
}
?>

--bar.class.php--
<?
class Bar
{
var $return;
function Bar()
{
$this->return='FooBar Works!'
}

function testBar()
{
return $this->return;
}
}
?>

--index.php--
<?
require_once('foo.class.php');
$test = new Foo();
echo $test->testFooBar();
?>

index.php will disply a blank page instead of 'FooBar Works!'.

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Classes... Why?
why would i use a class in php, and how do i use a class in php?

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OOP PHP Classes
I was interested in looking at some php5 classes and objects that are object orientated to get an idea of what other people are doing. But more "real world" examples, more than "class FruitBowl" if you know what I mean by this.

Does anyone have any links handy for something like this?

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PHP Classes :: & ->
What is the difference between "::" and "->" when using classes?

It always hard to find documentation for something that i only a symbol.

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Use And Need Of Classes In PHP
I know what object oriented programming is - I know what classes are and how they work - I'm just trying to figure out when they should be used in PHP...

I have two questions:

1-How do you keep your objects? For example if we had a shopping cart, would we create a new shopping cart object and everytime the user adds/removes items update that same object? and how would you keep that object's information as the user browses through the site? Would you use serialize/unserialize session variable functions? or is there a better way?

2- For example, if we have a website that has users why would we want to make a "Users" class containing all the user information? Can't we just insert/retrieve data directly from the database? and when we get the data from the database what exactly is the point of creating an object out of them when we can just print it out? I guess my question is why would having a Users class be useful in a php web application? (assume users have name, username, password, address, etc.)

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Using Two Classes
Lets say I have one class that deals with the database (class called SQL), a class that manages the user authentication (class called User) and another class that does something like getting all the options from the database for a poll (class called Options). The class Options is extended by another class called Poll which is extended by the class called Gateway, like this:

class SQL {}
class User {}

class Gateway {}
class Poll extends Gateway {}
class Options extends Poll {}

$sql = new SQL;
$sql->connect();

$user = new User;
$user->authenticate();

$poll = new Options;

As you see, SQL and User are in no way connected to the other classes, however sometimes I'd like to use SQL inside the Options class. Would it be better to use global inside one of Options' function, like this:

class Options {
public function __construct() {
global $sql;
$sql->query();
}
}
...or would it be better to let Gateway extend Users and SQL, like this:

class SQL {}
class User extends SQL {}
class Gateway extends User {}
class Poll extends Gateway {}
class Options extends Poll {}
// etc...

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When To Use Classes
I've been developing websites using PHP for several years now, yet have never used OOP concepts. I am familiar with them, but have never had a need for them in my projects. However, I am now interested in using them to expand my knowledge, but unsure when they are really needed.

Lets say I have a MySQL database with a "customer" table that stores all their information such as name, address, phone number, etc. The web page will do basic queries on the customer info, inserts, updates, selects, and so forth. I'm trying to incorporate classes with this, yet it seems like it's a lot more work than if I were simply using function to perform the actions on the database. I did some browsing on the web and it doesn't seem like classes are really needed when your dealing with data from a database (other than possible a class to connect to the db). Is this true? Any examples maybe?

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PHP Classes
Today I looked at the documentation for PHP classes and now I would like to rewrite a member system and content mangement system using classes. In the past Ive used classes in java, and PHP seems very similar other than some syntax stuff.

My primary concern with using classes is that if I wanted to make each member an object would it be possible to store that object in a mysql database, or would I have to have a method within my class to get all the data from the object and put it into the database, and another to then later get the data from the database and construct the object.

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'&' In Classes
I am fairly new to coding PHP in classes,I have come across some code an old employee has written with the 'and' symbol used throughout the code. could anyone elaborate on the use of this for me?

e.g.
function &generateDays($start_date, &$rs) {

how does this differ from just:

function generateDays($start_date, &$rs) {
??

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PHP And Classes
Specefically, how do they work? php.net describes them as a collection of variables and functions working with these variables. So far I'm doing this with collections of function and include'' statements. For any given operation, a link will include a $_GET['thing'] variable. The index then have:

if ((isset($_GET['thing'])) && ($_GET['thing'] == "linkname")) {
include 'useful_pile_of_functions.php'
}

This method seems to me to be somewhat like using includes as classes, as the called file contains everything needed to support the users desired function. How is using classes better than this method?

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Regarding Classes
What is a class. is it like a function? this has allways confused me as i am a newby to programming (since Basic in the 80's).

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Using Css Classes
why can't i use css classes in an echo or print function? for example: Code:

echo ("<center>");
echo ("updated on $date ");
echo ("$entry ");
echo ("</center>");

prints the appropriated variables centered, bolded, etc.
but when i try

Code:
echo ("<center>");
echo ("updated on $date ");
echo ("$entry ");
echo ("</center>");

it returns a t_string error on that line. why can't i use css classes in my php code, is there a way to apply classes like that via php? if so how do i use them?

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Classes In PHP
I want to use some classes in PHP and I haven't ever done it before and I have all these stupid questions that I don't know. They are questions that are too simple to be documented. Here is my class.

class IP{
var $blah ="blah";

function getIP(){
echo $REMOTE_ADDR;
}

function michaelIs($str){
echo "Michael is $str";
}
}

then I do this.

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Classes - Why Should We Use Them?
why should we use them? what are they? can anyone give an example of one that works best as a class. because i've yet to use one.

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Using Classes
I have a login class that has to connect to the database to verify a username and password. In this class I include and use my mySQL class. Is that ok coding practice?

I am wondering because the login class cannot stand on it's own and is totaly dependent on my mySQL class to be able to work, but I cannot think of another way to do it, without totaly skipping my mySQL class and just directly accesing mySQL thru the mySQL API. Code:

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Using Classes In PHP
I have looked over the PHP manual on version 5.0 and am pretty familiar with how classes work in PHP. I have a class in a file called MyClass.php(Or do you name it something else like .class?) that has a class in it with a few functions. PHP Code:

<?php
class myClass {

Â Â Â private function __function1($property) {
Â Â Â Â Â Â
Â Â Â }

private function __function2($property) {
Â Â Â Â Â Â
Â Â Â }
}
?>

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Problem With Classes..
Has anyone had problems with PHP returning two different results on different machines when using classes?

Here's the scenario:

On win2k/IIS/PHP 4.0.3, I set up a class like this:

class myClass {

var $thisVariable = "test";

function getVariable(){
$this->variable = $thisVariable;
echo $this->variable
}

}

When I instantiate it, it returns "test" but when I upload the file to my website server, which is Apache running PHP 4.0.2, it refuses to return anything.. but when I set it like this:

class myClass {

var $variable;

function getVariable(){
$this->variable = "test";
echo $this->variable
}

}

It works just fine. Any idea why?

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Classes And Requires
I am wanting to include some common function into a class, these function are stored in include files, the thing is, PHP will not allow this, or i am doing something wrong. This is the code: PHP Code:

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Classes In PHP - Question
//I've the class Application
class Application...

//I call show function from class Abstract
...
$seller = new Seller...
$seller->show(...)
...
$customer = new Customer...
$customer->show(...)

//I've also the class Abstract - it implements some common code code
for all classes Seller, Customer,... etc..

class Abstract...
...
function show(...){
...

$form = new HTML_QuickForm...

$this->List($form);
}

//here's Customer class - some special code for customer

class customer extends Abstract

function List($form){
$quickFormSelect = new HTML_QuickForm_select
...
$form->addElement($quickFormSelect));
}

of course, I can do it, using some "if's" i Abstract class, but the
above code could simplify my application, unfortunately it doesn't work

Any suggestions about this code?

ps.

the above code can looks like this:

....

function Lista(){
...
$quickFormSelect = new HTML_QuickForm_select
...
return $quickFormSelect;
}

//and then in Abstarct class

$form->addElement($this->Lista());

but in this solution I can add only one $quickFormSelect do $form, how
to add some more $quickFormSelect calling function List only one (like
in my unfortunetly non working code - $this->List($form);)

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One Must Use Globals In Ones Classes
I get the impression that most people who are using objects in their
PHP projects are mixing them with procedural code. The design, I
think, is one where the procedural code is the client code, and the
classes are a library of utility code.

As such, when I've asked about how to get globals into objects, I've
been told that I should pass them in as the parameters to a method.
Easy enough if you have some procedural code. This answer I've been
given assumes that there is something outside of the object, some
procedural code that can get hold of the global and then hand it to
the object.

However, am I wrong in saying that if you wanted to go pure OO, you'd
have to grab the globals from inside of the objects? You could limit
this to the constructor, and possibly you could limit to just a single
master object that contained all other objects, but still, you'd have
to do pull globals straight into the object, yes?

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Extending Classes
I've created a database export class with extensions for exporting to
csv, xls, html and xml. The file export.inc.php contains the 'export'
class which deals with getting the data and storing the field names
and row data in arrays - used for all exports. export_csv.inc.php
include()s export.inc.php and contains 'export_csv' which extends the
export class, formatting the field name and row arrays as a csv file
and sending the file to the browser. There are other similar
extensions for xls, html and xml.

At the moment I have to do something like this to get my exported
data:

switch ($type) {
case "csv":
include("path/to/export_csv.inc.php");
$export = new export_csv();
break;
case "xls":
include("path/to/export_xls.inc.php");
$export = new export_xls();
break;
...
}

$export->get_data($dbhost,$dbname,$dbuser,$dbpass,$sql);
$export->output();

That seems quite untidy and what I'd really like to do is this:

include("path/to/export.inc.php");
$export = new export("csv");
$export->get_data($dbhost,$dbname,$dbuser,$dbpass,$sql);
$export->output();

I know it must be possible because that's how ADODB selects its
drivers, but I can't get my head round how it works. Any idea how I
should go about organising my classes and their separate files? Has it
got something to do with the 'factory method' that I've seen mentioned
in a few places recently?

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Friend Classes
Now that PHP5 has proper scoping for class properties and methods, I've
been looking in vain for friend classes, or wondering if there's another
way to achieve this effect:

class A {

protected var $v1;

....

}

class AHelper {

....

function ....
{

....
$helper = new AHelper ( ... );

....
if ($helper->v1) ...

}

So A has a property which really is not supposed to be public, but
AHelper (which does not inherit from A) has a special relationship with
A and wants to be able to delve inside it.

Note that just providing a public accessor won't help: it's logically
the same as making the property public.

C++ manages this by having 'friend classes' - classes which are allowed
inside a class even though they are not derived from it.

I suppose I could write a public accessor method which takes its caller
as an argument and checks its type before it will go ahead and fetch the
value; but that's inelegant, heavy, and only takes effect at run time.

Has anybody got any better suggestions?

[I see somebody asked the same question two weeks ago on faqts, but did
not get an answer)

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Php Nesting Classes
I have the following problem:
For an application, I made 2 classes: Order and Ticket
In the Order object I store an array with Ticket objects.
so far so good, now I needed the Order object inside the Ticket class.
So I stored a copy of the Order object inside the Ticket class.

This is what we got until now:

class Order {
pubic tickets = array()
}

class Ticket {
public Order = null
}

For both classes I made static methods: get_by_id()
Now my question: What happens if i do: Ticket::get_by_id(5);
A Ticket object will be created. Inside this Ticket object, an Order
object will be created with the Order::get_by_id($this->orderid)
method.
This Order object will fill his $tickets array wilt the
Ticket::get_by_id($ticketid) method.
Those tickets will create new Order objects...
So there will be a loop.
How will php handle this?
If this causes an error, is there another solution to fix this
problem?

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Classes, Don't Follow.
I have read alot of things on zend.com, php.net and other sites went
to the wikibooks to try to understand how to use a class. I have this
project I want to do that I am sure would work great with a class. I
just don't grasp the whole concept, and how to do it.

I want to make a Collectable Card Game Draft Engine...(if any of you
play VS System, LOTR, Magic: The Gathering, you know what I am talking
about.)

It would be way to complicated for just typing in regular functions and
calling em.

So this is what I've seen That I don't understand.

Say i have a database with cards that are common(c), uncommon(u),
rare(r) from 3 sets alpha(a), beta(b), unlimited(u).

I need to 1st create 24 packs that contain 11commons, 3uncommons, and
1rare each.

Bam thats a class.

would it look like this?
Class CreateDraft{
var $set;
var $rarity;
function SelectRandomCard{
//connect to database in file header
//
$querycardbase = "SELECT * FROM `mtg_base` WHERE rarity = $rarity
AND set = $set LIMIT $rarity_num";//rarity and rarity_num are related
c=11,u=3,r=1, set dictates cards available.
$querycardbase_result6 = @mysql_query ($querycardbase);
while ($cardbaserow = @mysql_fetch_array ($querycardbase_result)) {

$packarr = $cardbaserow[card_id]
}
function InsertPack{
$insertpack = "SQL STATEMENT INSERTING AN ARRAY";//I know, i know
its late and I just want to understand.
}
}

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Nested Classes In PHP?
I remember reading that both nested classes and namespaces would be
available in PHP5. I know that namespaces got canceled (much sadness...),
however, I *thought* that nested classes were still an option.

However, I am coming up dry looking for information on how to do this, and
the most recent references I am able to find to nested classes in PHP are
dated 2003. And they all say the same thing: sorry, can't do that.

So, it's not possible? Is that the end of the matter?

Any suggestions for attempting to implement namespaces in PHP5? Some sort
of hack or workaround?

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Two Classes - Two Databases
I have two functions which make a new class and each a connection to a different database.
PHP Code:

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Databases And Classes
I wrote this as a test to see how classes work with database connections. The first part of feedback (PART A) works, and it cycles through my list of users and displays them no problem, but it doesn't move onto the second loop. I expect it's something to do with the 'while' statement. Can anyone see what i'm doing wrong? PHP Code:

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Working With Classes + Php
I'm pretty much a self taught php
programmer that uses php mostly for database entry and listings. I would
like to expand my talents and start working with classes. Is there a good
tutorial out there on the web that a novice can understand. I currently
wanting to add a password generator class to one of my existing webpages at
my helpdesk. The class is located at PHPclasses.com
(class.password.generator.php).

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PHP5 And Classes
I've downloaded the FPDF class from www.fpdf.org as well as some of
the scripts that are available.

Each of these scripts use:
class mine extends FPDF {}
which is what you'd expect when extending out to a new class.

What I want/would like to do is to include multiple scripts which
extend the base class of FPDF. I've managed to daisy-chain these
classes similar to:
-------------------------------------------------------------------------
<?php
class FPDF {
function FPDF(){ echo "class FPDF ";}
function setSize(){ echo "setSize_FPDF() ";}
}
class B extends FPDF {
function B(){ echo "class B ";}
function setSize(){ echo "setSize_B() ......";parent::setSize();}
}
class C extends B {
function C(){ echo "class C ";}
function setLimit(){ echo "setLimit_C() ";}
}
class D extends C {
function D(){ echo "class D ";}
function PrintLine(){ echo "PrintLine_D() ";}
}
class me extends D {
function me(){ echo "class me ";}
function setSize()
{
echo "setSize_E()    ";
//--- this only gets the class B function
parent::setSize();
}
}
//--- test code
$x = new me();
$x->FPDF();
$x->PrintLine();
$x->setSize();

/* --- output
class me
class FPDF
PrintLine_D()
setSize_E()
setSize_B()
setSize_FPDF()
*/
?>

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Im Trying To Understand Php Classes
Im tring to learn about classes with php. I've read alot of posts here
and look at other peoples code. So I appied all the absorbed to this.
Im tring to build a Shopping cart. not for live use but just to learn
about classes and get better at php. Anyway, i put this code together
and can't get it to work. it may be comletely wrong and if it is
please direct me to a good tutorial.
But at the risk of looking like a complete ass. here is my code.
please be kind.

A page calls a page with this code;
(showCart.php)
<?php
require( 'ShoppingCenter.php' );

$item = new ShoppingCenter( $itemArray );

$item->addToCart();
$itemList = getUnkownKeyValues( $item->getFileName() );
?>

This is the ShoppingCenter class:
note that the inifunc.php is code i writen/found to write out to a
file.
(ShoppingCenter.php)
<?php
include( 'inifunc.php' );

class ShoppingCenter
{
var $fileName = "tfsmc.txt";
var $iArray;
var $qty = 0,
$itemNumber = 0,
$itemCost = 0,
$totalCost = 0,
$itemDescription = "";

function getFileName()
{
return $fileName;
}

function ShoppingCenter( $itemArray )
{
$this->iArray = $itemArray;
$this->itemNumber = $itemArray[0];
$this->itemDescription = $itemArray[1];
$this->itemCost = $itemArray[2];
$this->qty = $itemArray[3];

$totalCost = $qty * $itemCost;
$totalCost = number_format($totalCost, 2, '.', '');
$this->iArray[2] = $totalCost;
}

function addToCart()
{
if( !ifSectionExisits( $itemNumber ) )
{
foreach( $iArray as $key => $value )
{
write_key($this->itemNumber, $key, $value, $this->file_name);
}
}
}
}
?>

After the ShoppingCenter is called the showCart.php "SHOULD" display
what was writen to the file:
(showCart.php)
<?php
for($i = 0;$i<count($itemList);$i++)
{
foreach($itemList[$i] as $key => $value)
{
if( $key == "removed")break;
echo "<td>$value</td>";
if( $key == "totalCost" )echo"<td><div align='center'><input
type='submit' name='Submit' value='Remove'></div></td></tr>";
}
}
?>

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Using Multiple Classes Together
I've seen a lot of introductory OOP tutorials for PHP, but I've never seen a tutorial on how to write 2 or 3 classes with interdependencies (e.g. class 1 depends on class 2 and 3, and class 3 depends on class 2) and cleanly tie them together.

This is mostly what's keeping me from using an OO approach in PHP. I found it a lot easier to stick with functions and require_once() files. Any variables that need to be accessible to multiple function libraries are made global. It gets kind of messy, and I recently saw that associative arrays are a performance hog (3x slower). So, another reason to move to objects.

Does anyone have a tutorial like this in the works, or is there one out there already? I've been waiting for one for a while, but everyone keeps putting out "beginner" OOP tutorials that aren't of much help anymore.

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Programming And Classes
I want to automate my site, providing sports news and info. I cover pro, and high school sports, but need to allow for college, rec and youth sports as well.

I want to set this up as a database, or series of databases, with me also learning some PHP to tweak things as they go.

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Object Classes
I need to know how to keep instance of class. For example. I created
object:

$myObj = new Person();

and then someone wants to go to the links page, and I want to keep
data which are created in myObj, for exmaple $myObj->age; $myObj->name;
etc. etc.

I thought about $serMyObj = serialize($myObj) and the put $serMyObj
data through POST, GET, or sth like that, and then GET it, but what if
the portal is big and i want to keep 50 objects in one session ?? put
data to the database and after that get it and every time someone is
redirecting to the another page, get form database ...

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Image Classes
I've been searching PHPClasses sites for my little project that seems so
hard to finish.

I have a list of photos with some description in MySQL DB:

image_code text[16]
image_description memo[256]
image_location text[128]
image_note text[128]

Say my image is in c:wwwsitenameimages<image_code>.jpg

Is there a simple image browser that can display all the information,
thumbnails, and display the image when clicking the thumbnails?

Perhaps I need an easy forms template for browsing the thumbnail images and
a forms to display the full image with the information nice and neat.

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Classes And Reference In Php 4.x
class test()
{
function bob()
{
$this->var = ''
outsidefunc($this);
// why is $this->var still '' ?? in php 5 it's 'not empty'
}
}

outsidefunc(&$test)
{
$test->var = 'not empty'
}

how can I fix / get around problem?

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Breadcrumb Classes.
I am looking for a breadcrumb class in PHP that does not rely on the
directory structure to build the trail.

I have been using Richard Baskettes -
http://www.baskettcase.com/classes/breadcrumb/ - breadcrumb classes and
they are great... BUT. I have a site that is being built using
templates and the directory hierarchy can not be used to create the
trail.

if you read this post in alt.lang.php.

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Classes And Require ?
I have a big class in one php file.
I would like to divide it to many smaller files. But when i try:

<?php

class IndexController extends Zend_Controller_Action
{
require_once('IndexController_common.php');
require_once('IndexController_client_car.php');

i receive parse error:
"Parse error: syntax error, unexpected T_REQUIRE_ONCE, expecting
T_FUNCTION in
/mnt/hda5/www/zend/dg/car/application/controllers/IndexController.php on
line 6"

When i move require_once outside class definition everything works fine.
But i need require inside
of class because in thouse files are functions which are the member of
that class.
How can i do it ?

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PHP Character Classes
i'm quite new to php but i can do some of the basics like: initial and response pages and entering data into MySQL database, the problem is i got stuck when i was about to validate the form entries, i want to do it using ereg and eregi but i'm having a hard time looking for an in-depth reference for character classes and their brief descriptions and how to use them.

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