| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * \PHPCompatibility\Sniffs\PHP\PCRENewModifiers. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @category PHP | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @package  PHPCompatibility | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @author   Juliette Reinders Folmer <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | namespace PHPCompatibility\Sniffs\PHP; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use PHPCompatibility\Sniffs\PHP\PregReplaceEModifierSniff; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * \PHPCompatibility\Sniffs\PHP\PCRENewModifiers. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * Check for usage of newly added regex modifiers for PCRE functions. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * @category PHP | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * @package  PHPCompatibility | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * @author   Juliette Reinders Folmer <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | class PCRENewModifiersSniff extends PregReplaceEModifierSniff | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      * Functions to check for. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     protected $functions = array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |         'preg_replace'                => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |         'preg_filter'                 => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |         'preg_grep'                   => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         'preg_match_all'              => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |         'preg_match'                  => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         'preg_replace_callback_array' => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |         'preg_replace_callback'       => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         'preg_replace'                => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         'preg_split'                  => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * Array listing newly introduced regex modifiers. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * The key should be the modifier (case-sensitive!). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * The value should be the PHP version in which the modifier was introduced. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     protected $newModifiers = array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         'J' => array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |             '7.1' => false, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |             '7.2' => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         ), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      * Do a version check to determine if this sniff needs to run at all. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     protected function bowOutEarly() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         // Version used here should be the highest version from the `$newModifiers` array, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         // i.e. the last PHP version in which a new modifier was introduced. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         return ($this->supportsBelow('7.2') === false); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      * Examine the regex modifier string. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |      * @param \PHP_CodeSniffer_File $phpcsFile    The file being scanned. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * @param int                   $stackPtr     The position of the current token in the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      *                                            stack passed in $tokens. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * @param string                $functionName The function which contained the pattern. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * @param string                $modifiers    The regex modifiers found. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      * @return void | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 82 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 83 |  |  |     protected function examineModifiers(\PHP_CodeSniffer_File $phpcsFile, $stackPtr, $functionName, $modifiers) | 
            
                                                                        
                            
            
                                    
            
            
                | 84 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 85 |  |  |         $error = 'The PCRE regex modifier "%s" is not present in PHP version %s or earlier'; | 
            
                                                                        
                            
            
                                    
            
            
                | 86 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 87 |  |  |         foreach ($this->newModifiers as $modifier => $versionArray) { | 
            
                                                                        
                            
            
                                    
            
            
                | 88 |  |  |             if (strpos($modifiers, $modifier) === false) { | 
            
                                                                        
                            
            
                                    
            
            
                | 89 |  |  |                 continue; | 
            
                                                                        
                            
            
                                    
            
            
                | 90 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 92 |  |  |             $notInVersion = ''; | 
            
                                                                        
                            
            
                                    
            
            
                | 93 |  |  |             foreach ($versionArray as $version => $present) { | 
            
                                                                        
                            
            
                                    
            
            
                | 94 |  |  |                 if ($notInVersion === '' && $present === false | 
            
                                                                        
                            
            
                                    
            
            
                | 95 |  |  |                     && $this->supportsBelow($version) === true | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  |                 ) { | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  |                     $notInVersion = $version; | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  |                 } | 
            
                                                                        
                            
            
                                    
            
            
                | 99 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 100 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 101 |  |  |             if ($notInVersion === '') { | 
            
                                                                        
                            
            
                                    
            
            
                | 102 |  |  |                 continue; | 
            
                                                                        
                            
            
                                    
            
            
                | 103 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 105 |  |  |             $errorCode = $modifier . 'ModifierFound'; | 
            
                                                                        
                            
            
                                    
            
            
                | 106 |  |  |             $data      = array( | 
            
                                                                        
                            
            
                                    
            
            
                | 107 |  |  |                 $modifier, | 
            
                                                                        
                            
            
                                    
            
            
                | 108 |  |  |                 $notInVersion, | 
            
                                                                        
                            
            
                                    
            
            
                | 109 |  |  |             ); | 
            
                                                                        
                            
            
                                    
            
            
                | 110 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 111 |  |  |             $phpcsFile->addError($error, $stackPtr, $errorCode, $data); | 
            
                                                                        
                            
            
                                    
            
            
                | 112 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 113 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 115 |  |  | }//end class | 
            
                                                        
            
                                    
            
            
                | 116 |  |  |  |