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✏️ Editing: SAPIUsageSniff.php

<?php
/**
 * Ensures the PHP_SAPI constant is used instead of php_sapi_name().
 *
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/HEAD/licence.txt BSD Licence
 */

namespace PHP_CodeSniffer\Standards\Generic\Sniffs\PHP;

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

class SAPIUsageSniff implements Sniff
{

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

}//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)
    {
        $tokens = $phpcsFile->getTokens();

$ignore = [
            T_DOUBLE_COLON             => true,
            T_OBJECT_OPERATOR          => true,
            T_NULLSAFE_OBJECT_OPERATOR => true,
            T_FUNCTION                 => true,
            T_CONST                    => true,
        ];

$prevToken = $phpcsFile->findPrevious(T_WHITESPACE, ($stackPtr - 1), null, true);
        if (isset($ignore[$tokens[$prevToken]['code']]) === true) {
            // Not a call to a PHP function.
            return;
        }

$function = strtolower($tokens[$stackPtr]['content']);
        if ($function === 'php_sapi_name') {
            $error = 'Use the PHP_SAPI constant instead of calling php_sapi_name()';
            $phpcsFile->addError($error, $stackPtr, 'FunctionFound');
        }

}//end process()

}//end class

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