How-to articles, tricks, and solutions about PHP

There are a few ways to find out the version of PHP running on a specific domain name.

Here is an example of how a MassAssignmentException might be triggered in Laravel:

In PHP, you can use the PDO (PHP Data Objects) extension to interact with a MySQL database.

You can disable notices and warnings in PHP by adding the following line to your .htaccess file:

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

In PHP, you can use the $_SERVER['REQUEST_URI'] variable to get the request string without GET arguments.

In PHP, you can use the $_FILES superglobal array to check if a file has been uploaded.

In WordPress, you can use the function is_user_logged_in() to check if a user is currently logged in.

To decode a base64 encoded image string and save it as a JPG file in PHP, you can use the following code:

Memcache and Memcached are both in-memory key-value stores that are commonly used to cache data to improve application performance.

To automatically create a subdomain for each user in PHP, you can use the following steps:

mod_php is an Apache module that allows PHP code to be executed directly by the Apache web server.

If your MySQL password has expired and you can't connect, you will need to reset the password.

In a TWIG template, you can access the session data by using the app.session variable.

There are several ways to count unique visitors to a website using PHP, but one common method is to use cookies.

To verify that ImageMagick is installed, you can use the command-line tool "convert".

This error message typically indicates that the SMTP server is unable to authenticate the provided login credentials for the email account being used to send the email.

When retrieving results in PHP and encountering ambiguous column names, you can use table aliases to specify which table the column belongs to.

In PHP, you can use the file_get_contents() function to retrieve the HTML code of a website, and then use regular expressions or a DOM parsing library to extract the title and meta tags.

You can use the JSON_UNESCAPED_SLASHES option in the json_encode() function to prevent backslashes from being added to the JSON string.

You can use the DateTime class in PHP to calculate the number of days between two dates.

mysqli and PDO are both PHP extensions used for interacting with databases.

One solution to protect PHP code without encryption is to use code obfuscation.

In Yii2, you can use the following code to get the root directory:

To install a specific version of Laravel using the Composer create-project command, you can specify the version number after the package name.