PHP Classes

Database class extending PDO: Execute queries composed programatically using PDO

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2024-01-09 (4 days ago) RSS 2.0 feedStarStarStarStar 65%Total: 1,628 This week: 3All time: 2,417 This week: 154Up
Version License PHP version Categories
db-pdo 2.0.10GNU General Publi...5.6PHP 5, Databases
Description 

Author

Jelle Sebreghts

This class can be used to execute queries composed programatically using PDO.

It can connect to a given database using PDO and execute queries composed programmatically.

The class can compose SQL SELECT, INSERT, UPDATE and DELETE queries with parameters passed to functions to define query fields, field values, order fields, group fields, having clause, join fields, and results limit values.

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Example

<?php

require_once '../vendor/autoload.php';
//change these to your database settings
define("DB_HOST", "localhost");
define("DB_NAME", "db_example");
define("DB_USER", "root");
define("DB_PASSWORD", "root");
$db = new Jelle_S\DataBase\Connection("mysql:host=" . DB_HOST . ";dbname=" . DB_NAME, DB_USER, DB_PASSWORD);

$menu = $db->select('menu')->fields(array('label', 'page'))->orderby('weight')->run()->fetchAllAssoc();

print "Initial data: <br /><pre>";
print_r($menu);
print "</pre>";

$fields = array(
  'label' => 'This is the menu label.',
  'page' => 'home', //e.g relative link to the page'
  'weight' => 6,
);
$db->insert('menu')->fields($fields)->run();
$last_insert_id = $db->lastInsertId();

$menu = $db->select('menu')->fields(array('label', 'page'))->orderby('weight')->run()->fetchAllAssoc();

print "Data after insert: <br /><pre>";
print_r($menu);
print "</pre>";

$updatefields = array(
  'label' => 'This is the new label.',
  'page' => 'contact',
  'weight' => 5
);

$db->update('menu')->fields($updatefields)->where('id', $last_insert_id)->run();

$menu = $db->select('menu')->fields(array('label', 'page'))->orderby('weight')->run()->fetchAllAssoc();

print "Data after update: <br /><pre>";
print_r($menu);
print "</pre>";

$db->delete('menu')->where('id', $last_insert_id)->run();

$menu = $db->select('menu')->fields(array('label', 'page'))->orderby('weight')->run()->fetchAllAssoc();

print "Data after delete: <br /><pre>";
print_r($menu);
print "</pre>";



Details

db-pdo
======

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good job
12 years ago (Ali M.Mirzaee)		70%StarStarStarStar
Excellent work, thank you.
12 years ago (Pali)		70%StarStarStarStar
 

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