1 <?php 2 $base64_encoded_hash = base64_encode(hash_hmac('sha1', 'Source string to be hashed.', 'YOUR_TOP_SECRET_KEY', true)); 3 ?> In the above example, the hash_hmac function would return hashed binary data
Session handling is a key concept in PHP that enables 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...
With all of our variables declared, we pass each of them into PHP’s str_replace function. Remember to use the order “search“, “replacement“, “subject“. We use thePHP’s echo functionto show us the result of our string replacement. ...
In ourprevious set of articles, we’ve created a simple 2 page website that allows users to submit comments about the page they were looking at. In this article, we’re going to show you how to use PHP toConnectto andRetrieve DatafromMySQL. Step 1. Create our SQL Query to grab all ...
Example of using $_GET in PHP We can use the $_GET super global variable in PHP to process the name-value pairs that make up the optional query string. Also, you can use the $_GET variable inany scopein your PHP script as it is a global variable. ...
You can even use complex formatting directives to specify the exact number of decimal places to display for a floating-point number, or the minimum number of digits to display for an integer. One of the major benefits of thesprintf()function in PHP is that it allows you to easily format ...
The only parameter needed for the __get() method is the $property variable. We return out what the child's height is in inches. So this is all that is required to use the PHP __get and __set magic methods. It's very adaptable because you don't need to declare variables in the ...
You can also use HTML code in aPHP script. This can be very useful if you have built your whole page in PHP, but want to include a custom HTML form, for example. All that you need to do is reverse the order of the HTML and PHP opening tags, opening the page with PHP: ...
Learn how to use control structures such as `if - else`, `switch`, `while`, `for`, and `foreach` loops. Functions and Arrays Understand how to create functions and use arrays. This includes surveying the built-in PHP functions, creating user-defined functions, and working with arrays. ...
Learn how to create a phpinfo() page to retrieve lots of information aboout your environment like version of PHP, extensions in use, EGPCS data, and more.