Реализация Dictionary на PHP - Разное - Интересные решения для программистов - Примеры кода

Разное → Реализация Dictionary на PHP → PHP

Класс позволяет создавать ассоциативный массив с любыми типами данных и уникальным ключем.

?php 
/** 
* The IDictionary interface 
* 
* @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
* @copyright Copyright 2005-2006, Olavo Alexandrino 
* @link http://oalexandrino.com 
* @package system.collections 
*/ 
interface IDictionary 
{ 
  /** 
  * Adds a key and item pair to a Dictionary object. 
  * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
  * @param variant The key associated with the item being added. 
  * @param variant The item associated with the key being added. 
  * @return void 
  */ 
  public function add( $key, $item ); 
   
  /** 
  * Returns True if a specified key exists in the Dictionary object, False if it does not. 
  * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
  * @param variant Key value being searched for in the Dictionary object. 
  * @return boolean 
  */ 
  public function exists( $key ); 
   
  /** 
  * Returns an array containing all the items in a Dictionary object. 
  * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
  * @return array 
  */ 
  public function items();   
   
  /** 
  * Returns an array containing all existing keys in a Dictionary object. 
  * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
  * @return array 
  */ 
  public function keys();   
   
  /** 
  * Removes a key, item pair from a Dictionary object. 
  * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
  * @param variant Key associated with the key, item pair you want to remove from the Dictionary object. 
  * @return void  
  */ 
  public function remove( $key );   
   
  /** 
  * The RemoveAll method removes all key, item pairs from a Dictionary object. 
  * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
  * @return void 
  */ 
  public function removeAll(); 
}

/** 
* Dictionary class is an implementation of IDictionary interface. 
* 
* Based on Microsoft Scripting Runtime Library - Dictionary Object, a PHP Dictionary object is the equivalent of a PERL associative array. 
* Items can be any form of data, and are stored in the array. 
* Each item is associated with a unique key. 
* The key is used to retrieve an individual item and is usually an integer or a string, but can be anything except an array. 
* 
* @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
* @copyright Copyright 2005-2006, Olavo Alexandrino 
* @link http://msdn.microsoft.com/library/default.asp?url=/library/en-us/script56/html/b4a7ddb3-2474-49ef-8540-8d67a747c8db.asp 
* @package system.collections 
*/ 
class Dictionary implements IDictionary 
{ 
  /** 
  * @var array array of itens 
  */   
  protected $itens   = null; 
   
  /** 
  * Constructor. 
  */ 
  function __construct() 
  { 
    $this->itens   = array(); 
  } 
   
  /** 
  * Append associative array elements. 
  * 1. removes seemingly useless array_unshift function that generates php warning 
  * 2. adds support for non-array arguments 
  * @author steve@webthought.ca 
  * @param array array with "key" and "item" 
  * @link http://www.php.net/array_push 
  * @return void 
  */   
  private function array_push_associative( $item ) 
  { 
    $args = func_get_args(); 
    
    foreach ($args as $item) 
    { 
      if (is_array($item)) 
      { 
        foreach ($item as $key => $value) 
        { 
          $this->itens[$key] = $value; 
        } 
      } 
      else 
      { 
       $this->itens[$item] = ""; 
      } 
    } 
  } 
   
  /** 
  * Adds a key and item pair to a Dictionary object. 
  * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
  * @param variant The key associated with the item being added. 
  * @param variant The item associated with the key being added. 
  * @return void 
  */ 
  public function add( $key, $item ) 
  { 
    if ( !self::exists($key) ) 
    { 
      self::array_push_associative( array( (string) $key => $item ) ); 
    } 
    else 
      throw new Exception("Item already added"); 
         
  } 
   
  /** 
  * Returns True if a specified key exists in the Dictionary object, False if it does not. 
  * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
  * @param variant Key value being searched for in the Dictionary object. 
  * @return boolean 
  */ 
  public function exists( $key ) 
  { 
    return array_key_exists($key, $this->itens); 
  }   
   
  /** 
  * Returns an array containing all the items in a Dictionary object. 
  * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
  * @return array 
  */ 
  public function items() 
  { 
    return $this->itens; 
  }   
   
  /** 
  * Returns an array containing all existing keys in a Dictionary object. 
  * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
  * @return array 
  */ 
  public function keys() 
  { 
    return array_keys( $this->itens ); 
  }   
   
  /** 
  * Removes a key, item pair from a Dictionary object. 
  * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
  * @param variant Key associated with the key, item pair you want to remove from the Dictionary object. 
  * @return void  
  */ 
  public function remove( $key ) 
  { 
    if ( self::exists($key) ) 
    { 
      $objArray = new ArrayObject( $this->itens );       
      $objArray->offsetUnset($key); 
      $objArray = null; 
    } 
    else 
      throw new Exception("Could not remove: Item not found!");     
  }   
   
  /** 
  * The RemoveAll method removes all key, item pairs from a Dictionary object. 
  * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> 
  * @return void 
  */ 
  public function removeAll() 
  { 
    $this->itens = array(); 
  }   
   
}
?>

array, class, data, dictionary, php, type

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02.08.2008

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	Разное → Реализация Dictionary на PHP → PHP Класс позволяет создавать ассоциативный массив с любыми типами данных и уникальным ключем. ?php /** * The IDictionary interface * * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @copyright Copyright 2005-2006, Olavo Alexandrino * @link http://oalexandrino.com * @package system.collections / interface IDictionary { /* * Adds a key and item pair to a Dictionary object. * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @param variant The key associated with the item being added. * @param variant The item associated with the key being added. * @return void / public function add( $key, $item ); /* * Returns True if a specified key exists in the Dictionary object, False if it does not. * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @param variant Key value being searched for in the Dictionary object. * @return boolean / public function exists( $key ); /* * Returns an array containing all the items in a Dictionary object. * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @return array / public function items(); /* * Returns an array containing all existing keys in a Dictionary object. * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @return array / public function keys(); /* * Removes a key, item pair from a Dictionary object. * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @param variant Key associated with the key, item pair you want to remove from the Dictionary object. * @return void / public function remove( $key ); /* * The RemoveAll method removes all key, item pairs from a Dictionary object. * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @return void / public function removeAll(); } /* * Dictionary class is an implementation of IDictionary interface. * * Based on Microsoft Scripting Runtime Library - Dictionary Object, a PHP Dictionary object is the equivalent of a PERL associative array. * Items can be any form of data, and are stored in the array. * Each item is associated with a unique key. * The key is used to retrieve an individual item and is usually an integer or a string, but can be anything except an array. * * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @copyright Copyright 2005-2006, Olavo Alexandrino * @link http://msdn.microsoft.com/library/default.asp?url=/library/en-us/script56/html/b4a7ddb3-2474-49ef-8540-8d67a747c8db.asp * @package system.collections / class Dictionary implements IDictionary { /* * @var array array of itens / protected $itens = null; /* * Constructor. / function __construct() { $this->itens = array(); } /* * Append associative array elements. * 1. removes seemingly useless array_unshift function that generates php warning * 2. adds support for non-array arguments * @author steve@webthought.ca * @param array array with "key" and "item" * @link http://www.php.net/array_push * @return void / private function array_push_associative( $item ) { $args = func_get_args(); foreach ($args as $item) { if (is_array($item)) { foreach ($item as $key => $value) { $this->itens[$key] = $value; } } else { $this->itens[$item] = ""; } } } /* * Adds a key and item pair to a Dictionary object. * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @param variant The key associated with the item being added. * @param variant The item associated with the key being added. * @return void / public function add( $key, $item ) { if ( !self::exists($key) ) { self::array_push_associative( array( (string) $key => $item ) ); } else throw new Exception("Item already added"); } /* * Returns True if a specified key exists in the Dictionary object, False if it does not. * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @param variant Key value being searched for in the Dictionary object. * @return boolean / public function exists( $key ) { return array_key_exists($key, $this->itens); } /* * Returns an array containing all the items in a Dictionary object. * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @return array / public function items() { return $this->itens; } /* * Returns an array containing all existing keys in a Dictionary object. * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @return array / public function keys() { return array_keys( $this->itens ); } /* * Removes a key, item pair from a Dictionary object. * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @param variant Key associated with the key, item pair you want to remove from the Dictionary object. * @return void / public function remove( $key ) { if ( self::exists($key) ) { $objArray = new ArrayObject( $this->itens ); $objArray->offsetUnset($key); $objArray = null; } else throw new Exception("Could not remove: Item not found!"); } /* * The RemoveAll method removes all key, item pairs from a Dictionary object. * @author Olavo Alexandrino <oalexandrino@yahoo.com.br> * @return void / public function removeAll() { $this->itens = array(); } } ?> array, class, data, dictionary, php, type* KOS_MOS Никитос 02.08.2008 Ваше имя Ваш E-mail (если хотите отслеживать комментарии) Дoкажи, что ты не робот Текст комментария	Меню CodeIgniter Алгоритмы Базы данных Дата и Время Интернет Интерфейс Мультимедиа ОС и Железо Работа с текстом Разное Технологии Файлы Подписка на RSS: Подпишись на RSS-ленту Поиск Облако тегов .net array asp bash browser charset check class clean convert count create css curl database date delete directory download element email equivalent extension file find form format function get height html http ie image javascript jquery load mysql number page perl php random scriplet send shell size sql string text time url utf8 variable vb visual basic width window xml xslt