File: jsondb.class.php

Recommend this page to a friend!
  Classes of Dave Smith  >  JSON DB Project  >  jsondb.class.php  >  Download  
File: jsondb.class.php
Role: Class source
Content type: text/plain
Description: Main Class
Class: JSON DB Project
Create and manage database stored in JSON files
Author: By
Last change:
Date: 4 years ago
Size: 1,784 bytes
 

Contents

Class file image Download
<?php
/**
* CRUD operations on a JSON noSQL database.
*
* Main class for creating, retreiving, updating and deleting records in a JSON noSQL database.
*
* @version 1.0
* @author Dave
*/
class jsondb
{
 public
$dataFolder = 'jsondata';
 
/**
  * Creates database file
  *
  * @param string $dbName Name of database file to create
  * @return void
  */
 
public function cDataBase($dbName){
 
$fileName = $this->dataFolder.'/'.$dbName;
 
file_put_contents($fileName,null,FILE_APPEND);
 }
 
/**
  * Retrieves database data
  *
  * @param string $dbName Name of database file to retrieve
  * @return array Data or empty if none
  */
 
public function rDataBase($dbName){
 
 
$fileName = $this->dataFolder.'/'.$dbName;
 
$dataString = file_get_contents($fileName);
 
$data = json_decode($dataString,true);
  if(
is_array($data) ){
  
ksort($data);
   return
$data;
  }else{
   return array();
  }
 }
 
/**
  * Updates database data
  *
  * @param string $dbName Name of database file to update
  * @param array $data Data to update
  * @return void
  */
 
public function uDataBase($dbName,$data){
 
$fileName = $this->dataFolder.'/'.$dbName;
 
$jsonData = json_encode($data);
 
file_put_contents($fileName,$jsonData);
 }
 
/**
  * Deletes database
  *
  * @param string $dbName Name of database file to delete
  * @return void
  */
 
public function dDataBase($dbName){
 
$fileName = $this->dataFolder.'/'.$dbName;
 
unlink($fileName);
 }
 
/**
  * Gets next record id
  *
  * @param array $data Database data
  * @return int Id of next record
  */
 
public function nextRecord($data){
 
  if(
is_array($data) ){
  
ksort($data);
  
end($data);
  
$id = key($data)+1;
  }else{
  
$id = 1;
  }
  return
$id;
 }
}
?>


For more information send a message to info at phpclasses dot org.