'20:25:40' tutorials

Tutorials

All '20:25:40' tutorials:

  1. How to Use the array_map Function in PHP With Examples

    How to Use the array_map Function in PHP With Examples

    Tutorial • Beginner

    In this quick article, we’ll discuss the array_map function in PHP. Basically, we’ll go through the syntax of the array_map function and demonstrate how to...

  2. Search and Replace Strings With Regular Expressions in PHP

    Search and Replace Strings With Regular Expressions in PHP

    Tutorial • Intermediate

    In this tutorial, you'll learn how to search and replace strings with regular expressions in PHP.

  3. How to Generate a PDF File in PHP

    How to Generate a PDF File in PHP

    Tutorial • Beginner

    In this article, we’re going to discuss how you can generate PDF files in PHP. We'll use the TCPDF library to demonstrate how to create PDF documents.

  4. Android Essentials: Creating Simple User Forms

    Android Essentials: Creating Simple User Forms

    Tutorial • Beginner

    Android applications often rely upon data supplied by users. This tutorial walks you through the creation and use of a number of the most common controls for...

  5. Number Systems: An Introduction to Binary, Hexadecimal, and More

    Number Systems: An Introduction to Binary, Hexadecimal, and More

    Tutorial • Beginner

    Ever see crazy binary numbers and wonder what they meant? Ever see numbers with letters mixed in and wonder what's going on? You'll find out all of this and...

  6. Example of How to Add Google reCAPTCHA v3 to a PHP Form

    Example of How to Add Google reCAPTCHA v3 to a PHP Form

    Tutorial • Beginner

    Learn how to add Google reCAPTCHA v3 to a form on your PHP website. The latest reCAPTCHA is different than the previous versions—it doesn’t require user...

  7. Create a Custom CAPTCHA and Contact Form in PHP

    Create a Custom CAPTCHA and Contact Form in PHP

    Tutorial • Intermediate

    This tutorial will teach you how to create a CAPTCHA in PHP. You'll also learn how to integrate your custom CAPTCHA into a contact form and improve its...

  8. Working With Tables in React: Part Two

    Working With Tables in React: Part Two

    Tutorial • Intermediate

    In this two-part series, you will learn about the ins and outs of working with tabular data in React using the React Bootstrap Table2 component. You'll be...

  9. How to Use Sessions and Session Variables in PHP

    How to Use Sessions and Session Variables in PHP

    Tutorial • Beginner

    Sessions allow user information to be persisted across all the pages of a website or app. In this post, you'll learn the basics of session handling in PHP:...

  10. How to Trim Strings in PHP

    How to Trim Strings in PHP

    Tutorial • Beginner

    This quick tip will teach you how to trim strings in PHP from the left, right, or both ends at once. You will learn two different ways of doing it based on...

  11. PHP Integers, Floats, and Number Strings

    PHP Integers, Floats, and Number Strings

    Tutorial • Beginner

    Learn about integers and floats in PHP, as well as the functions which can be used to determine the type of numbers that we are dealing with and convert...

  12. How to Send Text Messages With PHP

    How to Send Text Messages With PHP

    Tutorial • Beginner

    Text messaging has become extremely widespread throughout the world—to the point where an increasing number of web applications have integrated SMS to notify...

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