How-to articles, tricks, and solutions about PHP

It looks like you are trying to use phpMyAdmin, but it is giving you an error message saying that the mbstring extension is missing.

To URL encode a string in PHP, you can use the urlencode function.

To refresh a page in PHP, you can use the header function to send the HTTP "Refresh" header to the client's browser.

To convert a string to its hexadecimal representation, you can use the bin2hex function in PHP.

It looks like you are trying to use the htmlspecialchars() function in Laravel and are encountering an error that says "htmlspecialchars() expects parameter 1 to be string, object given".

To alias a table in a Laravel Eloquent query, you can use the as method on a DB facade.

php artisan dump-autoload is a command that is part of the Artisan command-line interface included with Laravel.

In Laravel, the application key is a unique, random string that is used to encrypt user sessions and other sensitive data.

To change the PHP version for your website using an .htaccess file, you can use the AddHandler directive.

To clear the cache for your views in Laravel 5, you can use the view:clear Artisan command.

To check if a PHP session is empty, you can use the empty() function.

In PHP, you can access the value of a submit button when a form is posted in the following way:

The "Fatal error: Call to undefined function mysqli_connect()" error in PHP typically occurs when the MySQLi extension is not enabled or properly configured in your PHP environment.

To remove all non-printable characters in a string in PHP, you can use the preg_replace function with a regular expression pattern that matches non-printable characters.

Here is an example of how you could display an array in a readable/hierarchical format in PHP:

To create a foreign key in PHPMyAdmin, follow these steps:

This error message usually indicates that a PHP module is being included more than once in a PHP script.

To loop through an array with keys in Twig, you can use the for loop and access the key and value of each element in the array using the loop variable.

It looks like you are trying to use the composer command, but it is not recognized by your terminal.

To get the AM/PM value for a given date and time in PHP, you can use the date() function with the a format string.

It looks like you are having an issue with XAMPP and port 80.

To get the contents of a file from a URL in PHP, you can use the file_get_contents function.

To check if a MySQL query returned any results, you can use the mysqli_num_rows function.

To enable the GD extension in PHP, you will need to install the extension and then enable it in your PHP configuration file.

Yes, that is one way to output the value of a PHP variable in HTML.