1<?php 2 3/** @file dbaarray.inc 4 * @ingroup Examples 5 * @brief class DbaArray 6 * @author Marcus Boerger 7 * @date 2003 - 2005 8 * 9 * SPL - Standard PHP Library 10 */ 11 12if (!class_exists("DbaReader", false)) require_once("dbareader.inc"); 13 14/** @ingroup Examples 15 * @brief This implements a DBA Array 16 * @author Marcus Boerger 17 * @version 1.0 18 */ 19class DbaArray extends DbaReader implements ArrayAccess 20{ 21 22 /** 23 * Open database $file with $handler in read only mode. 24 * 25 * @param file Database file to open. 26 * @param handler Handler to use for database access. 27 */ 28 function __construct($file, $handler) 29 { 30 $this->db = dba_popen($file, "c", $handler); 31 if (!$this->db) { 32 throw new exception("Databse could not be opened"); 33 } 34 } 35 36 /** 37 * Close database. 38 */ 39 function __destruct() 40 { 41 parent::__destruct(); 42 } 43 44 /** 45 * Read an entry. 46 * 47 * @param $name key to read from 48 * @return value associated with $name 49 */ 50 function offsetGet($name) 51 { 52 $data = dba_fetch($name, $this->db); 53 if($data) { 54 //return unserialize($data); 55 return $data; 56 } 57 else 58 { 59 return NULL; 60 } 61 } 62 63 /** 64 * Set an entry. 65 * 66 * @param $name key to write to 67 * @param $value value to write 68 */ 69 function offsetSet($name, $value) 70 { 71 //dba_replace($name, serialize($value), $this->db); 72 dba_replace($name, $value, $this->db); 73 return $value; 74 } 75 76 /** 77 * @return whether key $name exists. 78 */ 79 function offsetExists($name) 80 { 81 return dba_exists($name, $this->db); 82 } 83 84 /** 85 * Delete a key/value pair. 86 * 87 * @param $name key to delete. 88 */ 89 function offsetUnset($name) 90 { 91 return dba_delete($name, $this->db); 92 } 93} 94 95?> 96
