PHP PDO MySQL Summary: in this tutorial, you will learn how to create a new sample database in MySQL for practicing with PDO. Creating a database First, log in to the MySQL database using the root user from the Command Prompt on Windows or Terminal on macOS and Linux: mysql -u root Code language: Shell…
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Connecting to PostgreSQL Summary: in this tutorial, you will learn how to connect to a PostgreSQL database server using PHP PDO. Prerequisites To make a connection to the PostgreSQL database server using PHP PDO, you need to have: A PostgreSQL database server, a database, and an account with a username and password that can access…
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Connecting to MySQL Summary: in this tutorial, you’ll learn step by step how to connect to a MySQL database from PHP using PDO. Prerequisites Before connecting to a MySQL database server, you need to have: A MySQL database server, a database, and an account that has access to the database. PDO MySQL driver enabled in…
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PHP PDO PHP PDO is a database access layer that provides a uniform interface for working with multiple databases. PDO simplifies the common database operations including: Creating database connections Executing queries using prepared statements Calling stored procedures Performing transactions And handling errors PDO allows you to work with any database that has a PDO driver…
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PHP Anonymous Class Summary: in this tutorial, you’ll learn how about the PHP anonymous class and how to define anonymous classes. Introduction to the PHP anonymous classes So far, you have learned how to define a new class with a name. For example: <?php class MyClass { // … } Code language: PHP (php) The…
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PHP property_exists Summary: in this tutorial, you’ll learn how to use the property_exists() function to check if the object or class has a property. Introduction to the PHP property_exists function The property_exists() function returns true if an object or a class has a property. Otherwise, it returns false. Here’s the syntax of the property_exists() method:…
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PHP method_exists Summary: in this tutorial, you’ll learn how to use the PHP method_exists() function to check if a class or an object of a class has a specified method. Introduction to the PHP method_exists function The method_exists() function returns true if an object or a class has a specified method. Otherwise, it returns false.…
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PHP class_exists Summary: in this tutorial, you’ll learn how to use the PHP class_exists() function to check if a class exists or not. Introduction to the PHP class_exists() function The class_exists() function accepts a class name and returns true if the class exists or false otherwise. class_exists(string $class, bool $autoload = true): bool Code language:…
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PHP Set Exception Handler Summary: in this tutorial, you will learn how to set an exception handler using the PHP set_exception_handler() function. Introduction to the PHP set_exception_handler function In practice, it’s very difficult to catch every possible exception. If an exception is uncaught, you’ll see the exception message on the page. PHP allows you to…
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PHP throw Exception Summary: in this tutorial, you will learn about the Exception class in detail and how to throw a new exception in PHP. Introduction to the Exception class When encountering a situation from which you cannot recover, you can throw an exception. An exception is an instance of the Exception class. Like other…
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