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Filter Array into Categorized format

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  1. <?php
  2. /**
  3.  * Array2ArrayTree
  4.  * @package   
  5.  * @author Gaurav Jassal
  6.  * @copyright <a href="http://www.gauravjassal.com">http://www.gauravjassal.com</a>
  7.  * @version 1.0
  8.  * @access public
  9.  */
  10. class Array2ArrayTree
  11. {
  12.     public $arrOriginal = array();
  13.     public $arrDummy = array();
  14.     public $strKey = "";
  15.     /**
  16.      * Array2ArrayTree::__construct()
  17.      * 
  18.      * @param $arrData Array
  19.      * @param $arrKey String 
  20.      * @return
  21.      */
  22.     public function __construct($arrData, $arrKey)
  23.     {
  24.         $this->arrOriginal = $arrData;
  25.         $this->strKey = $arrKey;
  26.         $this->arrDummy = array();
  27.     }
  28.  
  29.     /**
  30.      * Array2ArrayTree::makeTree()
  31.      * 
  32.      * @return Array
  33.      */
  34.     public function makeTree()
  35.     {
  36.         for ($i = 0; $i <= sizeof($this->arrOriginal) - 1; $i++) {
  37.             $keyPosition = $this->searchKey($this->arrOriginal[$i][$this->strKey]);
  38.             if ($keyPosition == -1) {
  39.                 $this->addNode($this->arrOriginal[$i]);
  40.             } else {
  41.                 $this->appendNode($this->arrOriginal[$i], $keyPosition);
  42.             }
  43.         }
  44.         return $this->arrDummy;
  45.     }
  46.     /**
  47.      * Array2ArrayTree::searchKey()
  48.      * 
  49.      * @param $strCurrentValue String
  50.      * @return
  51.      */
  52.     function searchKey($strCurrentValue)
  53.     {
  54.         for ($i = 0; $i <= sizeof($this->arrDummy) - 1; $i++) {
  55.             if ($this->arrDummy[$i][0][$this->strKey] == $strCurrentValue) {
  56.                 return $i;
  57.             }
  58.         }
  59.         return - 1;
  60.     }
  61.     /**
  62.      * Array2ArrayTree::addNode()
  63.      * 
  64.      * @param $arrNode Array
  65.      * @return
  66.      */
  67.     function addNode($arrNode)
  68.     {
  69.         $this->arrDummy[sizeof($this->arrDummy)][0] = $arrNode;
  70.     }
  71.     /**
  72.      * Array2ArrayTree::appendNode()
  73.      * 
  74.      * @param $arrNode Array
  75.      * @param $keyPosition Integer
  76.      * @return
  77.      */
  78.     function appendNode($arrNode, $keyPosition)
  79.     {
  80.         array_push($this->arrDummy[$keyPosition], $arrNode);
  81.     }
  82. }
  83. ?>
  84. Usage
  85.  
  86. <?php
  87. require_once("array2arraytree.php");
  88. $arrProducts=array(
  89.                 array(
  90.                 "product_id" 			=> "007",
  91.                 "product_name"      	=> "Blackberry R-900 Mobile",
  92.                 "product_price" 		=> "£450",
  93.                 "product_status"		=>"1",
  94.                 "product_category"		=>"Mobile"
  95.                 ),
  96. 				array(
  97.                 "product_id" 			=> "033",
  98.                 "product_name"      	=> "8 GB Pendrive",
  99.                 "product_price" 		=> "£14.99",
  100.                 "product_status"		=> "0",
  101.                 "product_category"		=> "Computers"
  102.                 ),
  103. 				array(
  104.                 "product_id" 			=> "033",
  105.                 "product_name"      	=> "The White Tiger – Aravind Adiga",
  106.                 "product_price" 		=> "£29.99",
  107.                 "product_status"		=> "1",
  108.                 "product_category"		=> "Books"
  109.                 ),
  110. 				array(
  111.                 "product_id" 			=> "4501",
  112.                 "product_name"      	=> "The Final Reckoning - Sam Bourne",
  113.                 "product_price" 		=> "£19.99",
  114.                 "product_status"		=> "0",
  115.                 "product_category"		=> "Books"
  116.                 ),
  117. 				array(
  118.                 "product_id" 			=> "001",
  119.                 "product_name"      	=> "Wespro Multi-SIM & Touch-screen Mobile",
  120.                 "product_price" 		=> "£150",
  121.                 "product_status"		=> "1",
  122.                 "product_category"		=> "Mobile"
  123.                 ),
  124. 				array(
  125.                 "product_id" 			=> "004",
  126.                 "product_name"      	=> "Sigmatel MP4/MP3 + Camera Mobile",
  127.                 "product_price" 		=> "£150",
  128.                 "product_status"		=> "1",
  129.                 "product_category"		=> "Mobile"
  130.                 ),
  131. 				array(
  132.                 "product_id" 			=> "034",
  133.                 "product_name"      	=> "The Final Reckoning - Sam Bourne",
  134.                 "product_price" 		=> "£15.79",
  135.                 "product_status"		=> "0",
  136.                 "product_category"		=> "Books"
  137.                 ),
  138. 				array(
  139.                 "product_id" 			=> "334",
  140.                 "product_name"      	=> "250 GB Portable Hard Drive",
  141.                 "product_price" 		=> "£79.99",
  142.                 "product_status"		=> "1",
  143.                 "product_category"		=> "Computers"
  144.                 )
  145. 			);
  146.  
  147. $objTree=new Array2ArrayTree($arrProducts,"product_category");
  148. $arrTree=$objTree->makeTree();
  149. print("<pre>");
  150. print_r($arrTree);
  151. print("</pre>");
  152. ?>

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