How-to articles, tricks, and solutions about PHP

The aim of this snippet is to represent to you the PHP mhash_keygen_s2k() function. Read on and check out the example for better understanding.

To use the PHP that Homebrew installed, you will first need to make sure that it is in your system's PATH.

In this snippet, you will find comprehensive information about the scope resolution. Explore the ways of using the scope resolution operator in PHP.

Sometimes, the work with PHP requires to check whether a string starts or ends with a particular string. Learn how to do it with the help of our tutorial.

You can use the exec function in PHP to execute the wget command.

This tutorial explains how to validate an email using the PHP arsenal. Check out the examples of how to do that with the help of a PHP function and regex.

In Laravel, you can use the validate method on the Validator facade to validate an array of form data.

To validate a Google reCAPTCHA v3 on the server side using PHP, you will need to do the following steps:

To validate a file size in Laravel, you can use the size rule in your request validation.

In this snippet, we provide guidelines on one of the most common issues in PHP. Here, we show the most straightforward way on how to validate URL with PHP.

To work with User Account Control (UAC) when installing XAMPP, you can try the following steps:

In PHP, you can use the echo function to output an HTML <a> tag with a "#id" value for the href attribute, which will link to the same page.

To create your own version of the Laravel DD() function, you can create a new function in your codebase and have it take in any number of arguments.

In Laravel, you can use the unique validation rule to validate that an email address is unique when a user is updating their account.

To add or remove a trailing slash from the end of a URL using an .htaccess file, you can use mod_rewrite to rewrite the URL.

In PHP, you can use the $_FILES array to check the size of an uploaded file.

To create an HTML form that submits an array as a form parameter, you can use the name attribute of the input element and give it a value in the form of an array.

To log out a user from HTTP authentication using PHP, you can use the header function to send a "WWW-Authenticate" header with a value of "Basic realm=realmName" and a 401 status code.

To make an HTTP request using the file_get_contents function in PHP and retrieve the response code, you can use the following code snippet:

It is not possible to include an "if" block inside an "echo" statement in PHP.

There are a few different ways you can embed PHP code inside HTML.

In PHP, you can use the strcasecmp() function to compare two strings and ignore case sensitivity.

There could be a few reasons why the imagecreatefromjpeg function and similar functions are not working in your PHP script.

Yes, you can add values to a request array in Laravel by using the merge method on the request object.

In PHP with PDO, you can use the debugDumpParams() method on a prepared statement object to view the final SQL parametrized query.