PHP Comments Summary: in this tutorial, you’ll learn how to use PHP comments to document your code. Comments are important parts of the code. Comments provide useful information that will help you and other developers understand the meaning of the code more quickly later. PHP supports two types of comments: One-line comments Multi-line comments One-line comments…
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PHP Constants Summary: in this tutorial, you learn about PHP constants and how to use the define() function and const keyword to define constants. Introduction to PHP constants A constant is simply a name that holds a single value. As its name implies, the value of a constant cannot be changed during the execution of…
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PHP Variables Summary: in this tutorial, you will learn how to use PHP variables to store data in programs. Define a variable A variable stores a value of any type, e.g., a string, a number, an array, or an object. A variable has a name and is associated with a value. To define a variable, you use the…
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PHP Syntax Summary: in this tutorial, you’ll learn basic PHP syntax, including case sensitivity, statements, and whitespaces. As a programming language, PHP has a set of rules that governs how you write programs. PHP code Like HTML, you need to have the opening tag to start PHP code: <?php Code language: HTML, XML (xml) If…
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PHP Hello World Summary: in this tutorial, you’ll learn how to execute a script that outputs the Hello, World! message on the web browser and command line. PHP Hello World on the web browser First, open the folder htdocs under the xampp folder. Typically, it locates at C:\xampp\htdocs. Second, create a new folder called helloworld.…
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Install PHP Summary: in this tutorial, you’ll learn how to install PHP on your computer locally to start learning PHP. Installing PHP on your computer allows you to safely develop and test a web application without affecting the live system. To work with PHP locally, you need to have the following software: PHP A web…
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What is PHP Summary: in this tutorial, you’ll learn about PHP, how it works, what it can do, and its advantages. Introduction to PHP PHP is a server-side and general-purpose scripting language that is especially suited for web development. PHP originally stood for Personal Home Page. However, now, it stands for Hypertext Preprocessor. It’s a…
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PHP Tutorial Welcome to the modern PHP tutorial! This PHP tutorial helps you learn how to develop dynamic websites and web applications using PHP from scratch. PHP is one of the most popular programming languages for web development. PHP allows you to develop various web applications, including blogs, content management systems (CMS), and online stores.…
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SQLite Resources This page provides you with useful links and references related to SQLite. SQLite useful links SQLite Download – links to download SQLite in various versions. SQLite FAQ – provides SQLite’s frequently asked questions. SQLite CLI – gives you command line Shell for SQLite. SQLite’s SQL language – shows you a list of SQL statements understood…
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Python String isalnum() Summary: in this tutorial, you’ll learn how to use the Python string isalnum() method to check if all characters in the string are alphanumeric. Introduction to the Python string isalnum() method The string isalnum() method returns True if: all characters in the string are alphanumeric and the string has at least one…
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