Code Examples -> PHP 5 Object Based Menu's

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PHP Code Examples

Title :	PHP 5 Object Based Menu's
Categories :	PHP, PHP Classes	Joseph Crawford
Date :	Feb 09th 2005
Grade :	3 of 5 (graded 7 times)
Viewed :	5612
File :	4071.php
Images :	No Images for this code example.

Search :	More code by Joseph Crawford
Action :	Grade This Code Example
Tools :	My Examples List

Code


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This is some code i worked up tonight out of sheer boredom, this can be modified so that you could easilly populate the menu's from database content. You can also modify this so that only certain groups/links will be shown based on the users level. I will be modifying the code to do that myself.

menu.php

<?php
/******************************************
**
** The following code was written by
** Joseph Crawford Jr. (codebowl@gmail.com)
** This code is free to use, for non profit
** websites, please leave this comment in
** tact when using this code.
**
******************************************/

class Menu {
static private $_groups;

public function __construct() {
$this->_groups = array();
}

public function GetIndex( $title ) {
foreach( self::$_groups as $key => $group ) {
if( strtolower( $group->Title() ) == strtolower( $title ) ) {
return $key;
}
}
return -1;
}

static public function Group( $index = -1 ) {

if( ( $index == -1 ) && ( count( self::$_groups ) != 0 ) ) $index = count( self::$_groups );
else $index = 0;
if( self::$_groups[$index] == null ) {
self::$_groups[$index] = new MenuGroup();
}
return self::$_groups[$index];
}

public function Draw() {
foreach( self::$_groups as $gkey => $group ) {
echo $group->Title().'<br>';
$items = $group->GetItems();
foreach( $items as $item ) {
echo '   <a href="'.$item->Link().'">'.$item->Title().'</a><br>';
}
}
}
}

class MenuGroup {
static private $_items;
private $_order;
private $_title;

public function __construct( ) {
self::$_items = array();
}

public function Title( $var = "" ) {
if( $var != "" ) {
$this->_title = $var;
}
return $this->_title;
}

public function GetIndex( $title ) {
foreach( self::$_items as $key => $item ) {
if( strtolower( $item->Title() ) == strtolower( $title ) ) {
return $key;
}
}
return -1;
}

static public function Item( $index = -1 ) {

if( ( $index == -1 ) && ( count( self::$_items ) != 0 ) ) $index = count( self::$_items );
else $index = 0;
if( self::$_items[$index] == null ) {
self::$_items[$index] = new MenuItem();
}
return self::$_items[$index];
}

public function GetItems() {
return self::$_items;
}

}

class MenuItem {
private $_order;
private $_title;
private $_link;

public function __construct( $order = 0 ) {
$this->_order = $order;
}

public function Title( $var = "" ) {
if( $var != "" ) {
$this->_title = $var;
}
return $this->_title;
}

public function Link( $var = "" ) {
if( $var != "" ) {
$this->_link = $var;
}
return $this->_link;
}

}

?>

an example of using this code

<?
include_once("menu.php");

$menu = new Menu();

$general = $menu->Group();
$general->Title("General");

$home = $general->Item();
$home->Title("Home");
$home->Link("home.php");

$faq = $general->Item();
$faq->Title("FAQ");
$faq->Link("faq.php");

// where ever you want the menu you call this method.
$menu->Draw();
?>

comments wanted :D

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