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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * PHPCompatibility_Sniffs_PHP_NewHashAlgorithmsSniff.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @category  PHP  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package   PHPCompatibility  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author    Juliette Reinders Folmer <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * PHPCompatibility_Sniffs_PHP_NewHashAlgorithmsSniff.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @category  PHP  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package   PHPCompatibility  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author    Juliette Reinders Folmer <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class PHPCompatibility_Sniffs_PHP_NewHashAlgorithmsSniff extends PHPCompatibility_Sniff  | 
            
                            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * A list of new hash algorithms, not present in older versions.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * The array lists : version number with false (not present) or true (present).  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * If's sufficient to list the first version where the hash algorithm appears.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var array(string => array(string => bool))  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $newAlgorithms = array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'md2' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.2' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.3' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'ripemd256' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.2' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.3' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'ripemd320' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.2' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.3' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'salsa10' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.2' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.3' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'salsa20' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.2' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.3' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'snefru256' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.2' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.3' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'sha224' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.2' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.3' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'joaat' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.3' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.4' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'fnv132' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.3' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.4' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'fnv164' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.3' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.4' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'gost-crypto' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.5' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '5.6' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Returns an array of tokens this test wants to listen for.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function register()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return array(T_STRING);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }//end register()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Processes this test, when one of its tokens is encountered.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param PHP_CodeSniffer_File $phpcsFile The file being scanned.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int                  $stackPtr  The position of the current token in the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *                                        stack passed in $tokens.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                    public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)  | 
            
                            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $algo = $this->maybeGetHashAlgorithmParameter($phpcsFile, $stackPtr);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (empty($algo) || is_string($algo) === false) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // Bow out if not one of the algorithms we're targetting.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (isset($this->newAlgorithms[$algo]) === false) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // Check if the algorithm used is new.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $errorInfo = $this->getErrorInfo($algo);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($errorInfo['not_in_version'] !== '') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->addError($phpcsFile, $stackPtr, $algo, $errorInfo);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }//end process()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Retrieve the relevant (version) information for the error message.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $algorithm The name of the algorithm.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function getErrorInfo($algorithm)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $errorInfo  = array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'not_in_version' => '',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        foreach ($this->newAlgorithms[$algorithm] as $version => $present) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if ($present === false && $this->supportsBelow($version)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $errorInfo['not_in_version'] = $version;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                        return $errorInfo;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                    }//end getErrorInfo()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                     * Generates the error or warning for this sniff.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                     * @param PHP_CodeSniffer_File $phpcsFile The file being scanned.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                     * @param int                  $stackPtr  The position of the function  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                     *                                        in the token array.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                     * @param string               $algorithm The name of the algorithm.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                     * @param array                $errorInfo Array with details about the versions  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                     *                                        in which the algorithm was deprecated  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                     *                                        and/or removed.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                     * @return void  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                    protected function addError($phpcsFile, $stackPtr, $algorithm, $errorInfo)  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                        $error     = 'The %s hash algorithm is not present in PHP version %s or earlier ';  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                        $errorCode = $algorithm . 'Found';  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                        $data      = array(  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                            $algorithm,  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                            $errorInfo['not_in_version'],  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                        );  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                        $phpcsFile->addError($error, $stackPtr, $errorCode, $data);  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
                                                     | 
                
                 | 
                    }//end addError()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    168
                 | 
                                    
                                                     | 
                
                 | 
                }//end class  | 
            
            
                                                        
            
                                    
            
            
                | 
                    169
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.