PHPCompatibility_Sniffs_PHP_NewFunctionArrayDereferencingSniff

Complexity

Total Complexity

7

Size/Duplication

Total Lines	48
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	2

Importance

Changes	1
Bugs	1	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	register()	0	4	1
B	process()	0	26	6

<?php
/**
 * PHPCompatibility_Sniffs_PHP_NewFunctionArrayDereferencingSniff.
 *
 * @category  PHP
 * @package   PHPCompatibility
 * @author    Wim Godden <wim.godden@cu.be>
 */

/**
 * PHPCompatibility_Sniffs_PHP_NewFunctionArrayDereferencingSniff.
 *
 * @category  PHP
 * @package   PHPCompatibility
 * @author    Wim Godden <wim.godden@cu.be>
 */
class PHPCompatibility_Sniffs_PHP_NewFunctionArrayDereferencingSniff extends PHPCompatibility_Sniff
{
    /**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array
     */
    public function register()
    {
        return array(T_STRING);
    }//end register()
    
    /**
     * 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)
    {
        $tokens = $phpcsFile->getTokens();

        $ignore = array(
                T_DOUBLE_COLON,
                T_OBJECT_OPERATOR,
                T_FUNCTION,
                T_CONST,
        );

        $prevToken = $phpcsFile->findPrevious(T_WHITESPACE, ($stackPtr - 1), null, true);
        if (in_array($tokens[$prevToken]['code'], $ignore) === true) {
            // Not a call to a PHP function.
            return;
        }
        
        if (isset($tokens[$stackPtr + 1]) && $tokens[$stackPtr + 1]['type'] == 'T_OPEN_PARENTHESIS') {
            $closeParenthesis = $tokens[$stackPtr + 1]['parenthesis_closer'];
            if ($tokens[$closeParenthesis + 1]['type'] == 'T_OPEN_SQUARE_BRACKET') {
                if ($this->supportsBelow('5.3')) {
                    $phpcsFile->addError('Function array dereferencing is not present in PHP version 5.3 or earlier', $stackPtr + 3);
                }
            }
        }
    }//end process()
}//end class