PHPCompatibility_Sniffs_PHP_CaseSensitiveKeywordsSniff

Complexity

Total Complexity

4

Size/Duplication

Total Lines	45
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	2

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	register()	0	8	1
A	process()	0	18	3

<?php
/**
 * PHPCompatibility_Sniffs_PHP_CaseSensitiveKeywordsSniff.
 *
 * PHP version 5.5
 *
 * @category PHP
 * @package  PHPCompatibility
 * @author   Juliette Reinders Folmer <phpcompatibility_nospam@adviesenzo.nl>
 */

/**
 * PHPCompatibility_Sniffs_PHP_CaseSensitiveKeywordsSniff.
 *
 * Prior to PHP 5.5, cases existed where the self, parent, and static keywords
 * were treated in a case sensitive fashion.
 *
 * PHP version 5.5
 *
 * @category PHP
 * @package  PHPCompatibility
 * @author   Juliette Reinders Folmer <phpcompatibility_nospam@adviesenzo.nl>
 */
class PHPCompatibility_Sniffs_PHP_CaseSensitiveKeywordsSniff extends PHPCompatibility_Sniff

PSR1 recommends that each class must be in a namespace of at least one level to avoid collisions.

{

    /**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array
     */
    public function register()
    {
        return array(
			T_SELF,
			T_STATIC,
			T_PARENT,
		);
    }

    /**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
     * @param int                  $stackPtr  The position of the current token in the
     *                                        stack passed in $tokens.
     *
     * @return void
     */
    public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
    {
        if ($this->supportsBelow('5.4') === false) {
			return;
		}

        $tokens         = $phpcsFile->getTokens();
        $tokenContentLC = strtolower($tokens[$stackPtr]['content']);
        
        if ($tokenContentLC !== $tokens[$stackPtr]['content']) {
            $phpcsFile->addError(
                'The keyword \'%s\' was treated in a case-sensitive fashion in certain cases in PHP 5.4 or earlier. Use the lowercase version for consistent support.',
                $stackPtr,
                'NonLowercaseFound',
                array($tokenContentLC)
            );
        }
    }
}