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PATH: opt / cpanel / ea-wappspector / vendor / squizlabs / php_codesniffer / src / Standards / PSR12 / Sniffs / Functions

<?php
/**
 * Verifies that nullable typehints are lacking superfluous whitespace, e.g. ?int
 *
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2018 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 */

namespace PHP_CodeSniffer\Standards\PSR12\Sniffs\Functions;

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

class NullableTypeDeclarationSniff implements Sniff
{

/**
     * An array of valid tokens after `T_NULLABLE` occurrences.
     *
     * @var array
     */
    private $validTokens = [
        T_STRING       => true,
        T_NS_SEPARATOR => true,
        T_CALLABLE     => true,
        T_SELF         => true,
        T_PARENT       => true,
        T_STATIC       => true,
        T_NULL         => true,
        T_FALSE        => true,
        T_TRUE         => true,
    ];

/**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array<int|string>
     */
    public function register()
    {
        return [T_NULLABLE];

}//end register()

/**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param \PHP_CodeSniffer\Files\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(File $phpcsFile, $stackPtr)
    {
        $nextNonEmptyPtr = $phpcsFile->findNext([T_WHITESPACE], ($stackPtr + 1), null, true);
        if ($nextNonEmptyPtr === false) {
            // Parse error or live coding.
            return;
        }

$tokens           = $phpcsFile->getTokens();
        $nextNonEmptyCode = $tokens[$nextNonEmptyPtr]['code'];
        $validTokenFound  = isset($this->validTokens[$nextNonEmptyCode]);

if ($validTokenFound === true && $nextNonEmptyPtr === ($stackPtr + 1)) {
            // Valid structure.
            return;
        }

$error = 'There must not be a space between the question mark and the type in nullable type declarations';

if ($validTokenFound === true) {
            // No other tokens then whitespace tokens found; fixable.
            $fix = $phpcsFile->addFixableError($error, $stackPtr, 'WhitespaceFound');
            if ($fix === true) {
                for ($i = ($stackPtr + 1); $i < $nextNonEmptyPtr; $i++) {
                    $phpcsFile->fixer->replaceToken($i, '');
                }
            }

return;
        }

// Non-whitespace tokens found; trigger error but don't fix.
        $phpcsFile->addError($error, $stackPtr, 'UnexpectedCharactersFound');

}//end process()

}//end class

[-] ReturnTypeDeclarationSniff.php [edit]
[+] ..
[-] NullableTypeDeclarationSniff.php [edit]