PHP Classes

Database class for MySQL using PDO: Connect and access MySQL databases using PDO

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mysql-using-pdo 1.0.0Freeware5PHP 5, Databases
Description 

Author

vinaykant sahu

This class can connect and access MySQL databases using PDO.

It can connect to a given MySQL database database and perform several types of database access operations. Currently it can:

- Execute queries with prepared statements using parameters from an array
- Retrieve all query results into an array
- Manage transactions
- Retrieve the query row count and last inserted record identifier

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Example

<?php required_once('config.php');
    required_once('class/class.Database.php');
    
    $dbObj = new Database();
    
    //to get list
    
    $query = '
                SELECT
                    *
                FROM
                    test1
                WHERE
                    test1.abc = :ABC
                    AND
                    test1.xyz = :XYZ
            ';
    $stmt = $dbObj->prepare($query);
   
    $dbObj->bind($stmt, ':ABC', $abc);
    $dbObj->bind($stmt, ':XYZ', $xyz);
   
    $dbObj->execute($stmt);
   
    if (!empty($dbObj->displayError())) {
        throw new Exception($dbObj->displayError());
    }

    $list = $dbObj->fetchSqlData($stmt);
   
    // To Insert
    $query = '
                INSERT INTO
                    test1
                    (
                        abc,
                        efg,
                        xyz
                    )
                VALUES
                    (
                        :ABC,
                        :EFG,
                        :XYZ
                    )
            ';
    $stmt = $dbObj->prepare($query);
   
    $dbObj->bind($stmt, ':ABC', $abc);
    $dbObj->bind($stmt, ':EFG', $efg);
    $dbObj->bind($stmt, ':XYZ', $xyz);
   
    $dbObj->execute($stmt);
   
    if (!empty($dbObj->displayError())) {
        throw new Exception($dbObj->displayError());
    }
   
    // To Insert multiple rows
    $query = '
                INSERT INTO
                    test1
                    (
                        abc,
                        efg,
                        xyz
                    )
                VALUES
            ';
    $insertSql = [];
    for ($index = 1; $index < 1000; $index++) {
        $nameIndex = 'EFG_'.$index; //dummy data
        $rank = $index * 10; //dummy data
       
        $insertSql[] = sprintf(
                "( %d, %d, %d)",
                $index,
                $nameIndex,
                $rank
            );
    }
    $dbObj->saveMultipleInsertQuery($query, $insertSql);
   
   

  Files folder image Files (3)  
File Role Description
Files folder imageclass (1 file)
Accessible without login Plain text file config.php Conf. configuration parameters
Accessible without login Plain text file test.php Example test file

  Files folder image Files (3)  /  class  
File Role Description
  Plain text file class.Database.php Class Source Class

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