How can the "composer install" and "composer dump-autoload" commands help in resolving class not found errors in PHP?

When encountering a "class not found" error in PHP, it usually means that the autoloader is unable to locate the class definition. Running the "composer install" command will ensure that all required dependencies are installed and up to date. Additionally, running the "composer dump-autoload" command will regenerate the list of all classes that need to be included in the project's autoloader, which can help resolve the class not found error. 

// Run "composer install" to install/update dependencies
// Run "composer dump-autoload" to regenerate the autoloader

require 'vendor/autoload.php';

// Your PHP code here

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composer install dump-autoload class not found errors

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