Handling errors in MySQL queries To manage and debug errors generated in import database connections when working with MySQL backend database software in PHP programming, the database user must monitor all errors and failures that develop during data imports. This ensures that the application functions properly in the event of any software failure in the…
Executing SQL queries SELECT, INSERT, UPDATE, DELETE In PHP programming, database users can extract SQL databases using MySQLi or PDO (PHP Data Objects) methods and execute SQL command statements such as SELECT, INSERT, UPDATE, and DELETE to query database tables. Here are the steps to apply these methods and procedures using both methods in PHP…
Using mysqli and PDO for database connections When dealing with the MySQL database software in PHP programming, database users have two options for interacting with the MySQL database: MySQLi and PDO (PHP Data Objects). Both MySQLi and PDO methods are used to interact with the database. Here, you'll learn about the functional features, advantages, and…
Installing and setting up MySQL MySQL backend support in PHP programming or installing and setting up MySQL database software on multiple OS operating systems (Windows, Apple Mac, Linux, and Android) requires following several graphical wizards and command-based instructions. These guide you through the basic steps of manually configuring and setting up MySQL database software for…
Handling file uploads securely with PHP Managing the file upload process in PHP programming in a secure manner is helpful in protecting a dedicated web server or web application from malicious file activities that could put a dedicated web server host or application in a dangerous situation. PHP programming provides users with several built-in functions…
Creating a file upload form In PHP programming, developers can create a file data upload form on a dedicated web server host location, where Internet users can manually select and upload desired files and data to the server. The created HTML form sends the upload file to the server location via the HTTP protocol, and…
File handling functions file_get_contents(), file_put_contents() In addition to the fopen(), fread(), fwrite(), and fclose() functions, several other basic, high-level file handling functions are also available to the user, including the file_get_contents() and file_put_contents() functions. These functions help PHP programming read existing files and create content and information in files without manually managing file pointers. So,…
Validating user input e.g, required fields, email format User input validation in PHP programming helps programmers validate form elements to ensure that user input used in the current form is valid and in the proper format. This method helps prevent form element errors, maintain a consistent form user experience, and increase form element security by…
Accessing form data with $_GET, $_POST, $_REQUEST In PHP programming, form data information sent via HTML forms is accessed and managed using the superglobal PHP variables $_GET, $_POST, and $_REQUEST. These superglobals represent arrays of data in a PHP program. They store, retrieve, and process form data sent via multiple methods, such as GET, POST,…
Sending form data using GET and POST methods In PHP programming, HTML user-filled form data information can be sent or uploaded to a dedicated web server location by applying the GET or POST method. These two methods in HTML forms allow web developers to determine whether to store or send form data to a dedicated…
