GlobalVariablesSniff.php

Go to the documentation of this file.

<?php
namespace Magento\Sniffs\Variables;

use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Files\File;

class GlobalVariablesSniff implements Sniff
{
    public function register()
    {
        return [T_VARIABLE];
    }

    public function process(File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();
        if (preg_match('/^\$[_A-Z0-9]+$/', $tokens[$stackPtr]['content'])) {
            $phpcsFile->addError(
                'Usage of global variables is not allowed: ' . $tokens[$stackPtr]['content'],
                $stackPtr,
                'ERROR'
            );
            return;
        }
    }
}