Tag:pdo

  • PHP using PDO to connect to SQL server example sharing

    Time:2022-1-6

    Download PDO_ Dblib Library Various PDO libraries can be found in PECL. For example, MySQL Library: PDO_ MySQL and Oracle libraries: PDO_ OCI。 As the connection Library of SQL server, Download PDO through the following command_ DBLIB: Copy codeThe code is as follows: wget http://pecl.php.net/get/PDO_DBLIB Install PDO_ Dblib Library After downloading, install through pear: Copy […]

  • Detailed explanation of MySQL anti injection function using PDO in PHP

    Time:2021-11-16

    This article describes how PHP uses PDO to realize MySQL anti injection function. Share with you for your reference, as follows: 1. What is injection attack For example, the following example: There is a submission form at the front: <form action=”test.php” method=”post”> Name: < input name = “username” type = “text” > Password: < input […]

  • Complete example of shopping cart class implemented by PHP + PDO

    Time:2021-10-1

    This article describes the shopping cart class implemented by PHP + PDO. Share with you for your reference, as follows: <?php session_start(); class Cart { public $pdo = null; public function __construct($config) { $host = $config[‘host’]; $user = $config[‘user’]; $db = $config[‘db’]; $pwd = $config[‘pwd’]; if (empty($_SESSION[‘user_id’])) { Return show (0, ‘please log in first’); […]

  • Analysis of PHP using PDO connection and connection management

    Time:2021-1-1

    In this paper, an example of PHP using PDO connection and connection management operation. The details are as follows: The connection is established by creating an instance of the PDO base class. No matter which driver is used, PDO class name is used. The constructor receives parameters that specify the database source (so-called DSN) and […]

  • A simple example of PDO’s function of connecting database and inserting data in PHP

    Time:2020-5-5

    The example of this paper describes the function of PDO connecting database and inserting data in PHP. To share with you for your reference, as follows: create profile pdo_config.php <?php $db_type = “MySQL”; // database type $host = “localhost”; // host name $dbname = “test”; // database name $username = “root”; // user name $password […]

  • PDO getlastinsertid() no result

    Time:2020-1-7

    This function only returns tables with autoreducers, otherwise it returns 0.Using exec() results in the number of rows affected.This article is automatically published by artipub

  • PDO database operation tool class and usage example encapsulated by PHP

    Time:2019-11-29

    In this paper, an example is given to illustrate the operation tool class and usage of PDO database encapsulated by PHP. To share with you for your reference, as follows: <?php header(“Content-Type:text/html;charset=utf-8”); class PdoMysql{ Public static $config = array(); // set connection parameters and configuration information Public static $link = null; // save connection identifier […]

  • Detailed PHP PDO simple tutorial

    Time:2019-9-29

    About 80% of Web applications are supported by PHP. Similarly, so is SQL. Before PHP 5.5, we had mysql_commands for accessing MySQL databases, but they were eventually discarded due to lack of security. The abandonment took place on PHP 5.5 in 2013. I wrote this article in 2018, and the PHP version was 7.2. The […]

  • PHP uses PDO to create MySQL database, tables and insert multiple data operation examples

    Time:2019-9-19

    This article illustrates how PHP uses PDO to create MySQL database, tables and insert multiple data operations. Share for your reference, as follows: Create MySQL database: <?php $servername = “localhost”; $username = “username”; $password = “password”; try { $conn = new PDO(“mysql:host=$servername”, $username, $password); // Set PDO error mode to exception $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $sql = […]

  • (Only suitable) PDO tutorial

    Time:2019-5-2

    What is PDO? First, think about why you choose PDO PDOIt’s a Data Access Abstraction Layer. The abstraction is twofold: one is well known but not very important. The other is vague but most important.As everyone knowsPDOIt provides a unified interface for different databases. Although the function itself is huge, it is not too important […]

  • Principle Analysis of Using PDO to Prevent SQL Injection

    Time:2019-4-11

    Preface SQL injection can be avoided by using the preprocessing method of PDO in this paper. Let’s go over the details. Description in the PHP manual under’PDO – Preprocessing Statements and Stored Procedures’: Many more mature databases support the concept of preprocessing statements. What is a preprocessing statement? You can think of it as a […]

  • Analysis of PDO exception handling operation implemented by PHP

    Time:2019-3-17

    This paper gives an example of PDO exception handling implemented by php. Share for your reference, as follows: Exception handling: PHP: By default, direct error reporting MYSQL: The default mode is silent mode, error is correct, error is not reported. PDO: The default mode is silent mode, errors are correct, no errors are reported. Previously, […]