How-to articles, tricks, and solutions about PHP

To properly log out of a session in PHP, you can use the session_destroy() function.

This issue could be caused by a few different things.

In CodeIgniter, you can use the redirect() function to redirect the user's browser to a new page.

This message typically indicates that there is an issue with the authentication process.

In PHP, $this is a special variable that refers to the current object.

This error message indicates that Laravel is trying to use a class that it can't find.

You can refresh a page using PHP using the header function.

The require_once function in PHP is used to include a specific PHP file in another file, but it will only include the file once to prevent multiple declarations.

There are several ways to detect a user's browser using PHP.

In Laravel 5, you can use the php artisan config:cache command to compile all of your configuration into a single file, which will be loaded quickly by the framework.

In PHP, you can use the get_headers() function to retrieve the headers of a remote file.

You can remove a child element with a specific attribute in SimpleXML for PHP using the xpath() function.

You can use the array_filter() function in PHP to remove all elements from an array that do not start with a certain string.

You can use the preg_replace function in PHP to remove all non-numeric characters from a string.

In PHP, you can use the preg_replace function to remove control characters from a string.

To remove excess whitespace from within a string in PHP, you can use the preg_replace() function with a regular expression that matches any sequence of one or more whitespace characters.

To remove new lines from a string and replace them with a single empty space in PHP, you can use the str_replace function.

There are several ways you can remove a portion of a string after a certain character in PHP.

To remove the trailing delimiter from a delimited string in PHP, you can use the rtrim function.

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

To reset the root password for MySQL on XAMPP, you can follow these steps.

This error message means that your PHP script is trying to use more memory than what is allowed by your PHP configuration.

To reverse the order of the items in a list when using a foreach loop in PHP, you can simply reverse the array using the array_reverse function before the loop.

To run a PHP task asynchronously, you can use the pcntl_fork() function to create a new process that runs the task in parallel with the main script.

In PHP, you can use the proc_open function to run a process and read its output in real-time.