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File: ClsDBOperation.cls.php

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  Classes of Md. Aminul Islam  >  Insert Retrieve data from Table  >  ClsDBOperation.cls.php  >  Download  
File: ClsDBOperation.cls.php
Role: Class source
Content type: text/plain
Description: Insert_Retrieve_Table_Data
Class: Insert Retrieve data from Table
Query a database to insert and retrieve table rows
Author: By
Last change: Major Changes have done. Messaging is highly organized. Several Very Useful Parameters.
Date: 9 years ago
Size: 7,781 bytes
 

Contents

Class file image Download
<?php
   
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
    // bGlobalSourcing [Programmer: Md. Aminul Islam] //
    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
    // Class: ClsDatabaseOperation: Used for Add,Retrieve Data from a Table of Database //
    // [ Limitation: ] //
    // [ Required Folder: None] //
    //==============================================================================================================================//
    //function SaveDataIntoTable($DatabaseTableName,$TableFields,$CheckDuplicateCondition,$ConditionalErrorMsg,$SuccessMessage,$ErrorMessage):- //
    //------------------------------------------------------------------------------------------------------------------------------//
    // This Function Takes 6 Parameters:- //
    // $DatabaseTableName = The Table Name Into which want to insert data //
    // $TableFields = One Dimensional Array which contain all the fields of current table //
    // $CheckDuplicateCondition = Query for checking this value exists or not. //
    // $ConditionalErrorMsg = If Duplicate Value found This Message will Return. //
    // $SuccessMessage = If Data Insert Successfully into Table //
    // $ErrorMessage = If Error Occured while insertion data into Table //
    // This Function Return:- //
    // "The Table Does Not Exists." If the table doesn't exists. //
    // " $SuccessMessage " If the data inserted into table successfully //
    // " $ErrorMessage " If the data can't inserted into table successfully //
    /*
        Example:-
        $ObjForumData=new ClsDatabaseOperation();
        $DatabaseTableName="forum_info";
        $TableFieldValues=array("''","'$txtForumName'","'$CurrentDate'","$CurrentUserId","'$txtForumType'","'$txtForumPassword'");
                                                                                [ First '' is for Auto Increment.]
        $CheckDuplicateCondition = "ForumName='$txtForumName' and ParentForumId=0";
        $ConditionalErrorMsg = "The Forum is Already Exists.";
        $SuccessMessage = "Forum Added Successfully.";
        $ErrorMessage = "Error while adding forum.";
        $Message = $ObjForumData->SaveDataIntoTable($DatabaseTableName,$TableFieldValues);
    */
    //==============================================================================================================================//
    // function RetrieveDataFromTable($DatabaseTableName,$MessageForEmptyTable="The Table is Empty.",$Condition="",$OrderByCol=""):-//
    //------------------------------------------------------------------------------------------------------------------------------//
    // This Function Takes 4 Parameter:- //
    // $DatabaseTableName = The Table Name from which you want to retrieve data //
    // $MessageForEmptyTable = The Message returned If the Table is Empty //
    // $Condition = Condition For Select Data from Database. //
    // $OrderByCol = Orderby clause (if necessary). //
    // This Function Return:- //
    // "The Table Does Not Exists." If the table doesn't exists. //
    // "The Table Is Empty." If the table exists but have no data. //
    // "$TableData" Return Tables All Data In Two Dimensional Array. //
    //------------------------------------------------------------------------------------------------------------------------------//
    /*
        Example:-
            $DatabaseTableName="student";
            $MessageForEmptyTable="Currently No Students Information is Available."
            $FullTableData=$ObjStudentData->RetrieveDataFromTable($DatabaseTableName,$MessageForEmptyTable);
            echo "<br><H3>Finally Operation Result(For RetrieveDataFromTable() Function <br>:</H3>";
            if(is_array($FullTableData))
            {
                echo "<table border='1'>";
                foreach($FullTableData as $SingleRowData)
                {
                    echo "<tr>";
                    foreach($SingleRowData as $SingleCellData)
                        echo "<td align='center'>$SingleCellData</td>";
                    echo "</tr>";
                }
                echo "</table>";
            }
            else
                echo "<H4>$FullTableData</h4>";
    */
    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
   
require_once ("ClsConnection.cls.php");
    class
ClsDatabaseOperation extends ClsConnection
   
{
        function
ClsDatabaseOperation()
        {
           
$this->ClsConnection(); //Connection Class Constructor for Database Connection.
            //echo "TableUpdate Class Constructor";
       
}
       
        function
SaveDataIntoTable($DatabaseTableName,$TableFields,$SuccessMessage="Data saved into database successfully.",
                           
$ErrorMessage="Error while adding data into database.",$CheckDuplicateCondition="",$ConditionalErrorMsg="")
        {
           
//Check For Table Existance
           
if($this->DataBaseTableExists($DatabaseTableName)=="False")
                return
"The Table Does Not Exists.";
           
//Check Condition For Insert ($CheckDuplicateCondition)
           
if($CheckDuplicateCondition!="")
            {
               
$QueryForCheckDuplicate="select * from $DatabaseTableName where $CheckDuplicateCondition";
                if(
mysql_num_rows(mysql_query($QueryForCheckDuplicate))==0)
                   
$InsertPermission="True"; //No Duplicate Value Found.
               
else
                   
$InsertPermission="False";
            }
            else
               
$InsertPermission="True";
            if(
$InsertPermission=="True")
            {
               
$GenerateQuery="insert into $DatabaseTableName values(";
                foreach(
$TableFields as $SingleField)
                   
$GenerateQuery.=$SingleField.",";
               
$GenerateQuery=substr($GenerateQuery,0,strlen($GenerateQuery)-1).")";
               
//echo $GenerateQuery;
               
if(mysql_query($GenerateQuery))
                    return
$SuccessMessage;
                else
                    return
$ErrorMessage;
            }
            else
                return
$ConditionalErrorMsg; //Error Because Same Value already exists in $DatabaseTableName table
       
}
       
       
        function
RetrieveDataFromTable($DatabaseTableName,$MessageForEmptyTable="The Table is Empty.",$Condition="",$OrderByCol="")
        {
           
//If the Table($DatabaseTableName) does not exists.
           
if(mysql_num_rows(mysql_query("SHOW TABLES LIKE '".$DatabaseTableName."'"))<1)
                return
"The Table Does Not Exists.";

           
//Retrieve all data from Table.
           
$BuildSelQuery=$this->QueryBuilderWithCondition($DatabaseTableName,$Condition,$OrderByCol);

           
$QueryTableData=mysql_query($BuildSelQuery)or die("Can't Execute Database Query Right Now.");
            if(
mysql_num_rows($QueryTableData)>0)
            {
               
//$FindNumberOfColumn= Total column of current table($DatabaseTableName) which will be used as index.
               
$QueryForCountCol=mysql_fetch_row(mysql_query($BuildSelQuery));
                for(
$i=0;$i<=100;$i++)
                    if(isset(
$QueryForCountCol[$i]))
                        continue;
                    else
                        break;
               
$FindNumberOfColumn=$i;
               
//echo "Total col=$FindNumberOfColumn";
                //Start Process: $TableData=All data of $DatabaseTableName
               
$QueryTableData=mysql_query($BuildSelQuery);
               
$Row=0;
                while(
$RsTableData=mysql_fetch_row($QueryTableData))
                {
                    for(
$Col=0;$Col<$FindNumberOfColumn;$Col++) //Col= Indicating Column No & Counter
                       
$TableData[$Row][$Col]=$RsTableData[$Col];
                   
$Row++;
                }
               
//End Process: $TableData=All data of $DatabaseTableName
               
return $TableData; //Return Tables All Data In Two Dimensional Array Format.
           
}
            else
                return
$MessageForEmptyTable;
        }
    }
?>