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
321806
public function process(File $phpcsFile, $stackPtr)
    {
        $tokens     = $phpcsFile->getTokens();
        $functionLc = strtolower($tokens[$stackPtr]['content']);
        if (isset($this->targetFunctions[$functionLc]) === false) {
            return;
        }

        // Next non-empty token should be the open parenthesis.
        $nextNonEmpty = $phpcsFile->findNext(Tokens::$emptyTokens, ($stackPtr + 1), null, true, null, true);
        if ($nextNonEmpty === false || $tokens[$nextNonEmpty]['code'] !== \T_OPEN_PARENTHESIS) {
            return;
        }

        $ignore = array(
            \T_DOUBLE_COLON    => true,
            \T_OBJECT_OPERATOR => true,
            \T_FUNCTION        => true,
            \T_NEW             => true,
        );

        $prevNonEmpty = $phpcsFile->findPrevious(Tokens::$emptyTokens, ($stackPtr - 1), null, true);
        if (isset($ignore[$tokens[$prevNonEmpty]['code']]) === true) {
            // Not a call to a PHP function.
            return;
        } elseif ($tokens[$prevNonEmpty]['code'] === \T_NS_SEPARATOR && $tokens[$prevNonEmpty - 1]['code'] === \T_STRING) {
            // Namespaced function.
            return;
        }

        $data = $tokens[$stackPtr]['content'];

        /*
         * Check for usage of the functions in the global scope.
         *
         * As PHPCS can not determine whether a file is included from within a function in
         * another file, so always throw a warning/error.
         */
        if ($phpcsFile->hasCondition($stackPtr, array(\T_FUNCTION, \T_CLOSURE)) === false) {
            $isError = false;
            $message = 'Use of %s() outside of a user-defined function is only supported if the file is included from within a user-defined function in another file prior to PHP 5.3.';

            if ($this->supportsAbove('5.3') === true) {
                $isError  = true;
                $message .= ' As of PHP 5.3, it is no longer supported at all.';
            }

            $this->addMessage($phpcsFile, $message, $stackPtr, $isError, 'OutsideFunctionScope', $data);
        }

        /*
         * Check for usage of the functions as a parameter in a function call.
         */
        if ($this->supportsBelow('5.2') === false) {
            return;
        }

        if (isset($tokens[$stackPtr]['nested_parenthesis']) === false) {
            return;
        }

        $throwError = false;

        $closer = end($tokens[$stackPtr]['nested_parenthesis']);
        if (isset($tokens[$closer]['parenthesis_owner'])
            && $tokens[$tokens[$closer]['parenthesis_owner']]['type'] === 'T_CLOSURE'
        ) {
            $throwError = true;
        } else {
            $opener       = key($tokens[$stackPtr]['nested_parenthesis']);
            $prevNonEmpty = $phpcsFile->findPrevious(Tokens::$emptyTokens, ($opener - 1), null, true);
            if ($tokens[$prevNonEmpty]['code'] !== \T_STRING) {
                return;
            }

            $prevPrevNonEmpty = $phpcsFile->findPrevious(Tokens::$emptyTokens, ($prevNonEmpty - 1), null, true);
            if ($tokens[$prevPrevNonEmpty]['code'] === \T_FUNCTION) {
                return;
            }

            $throwError = true;
        }

        if ($throwError === false) {
            return;
        }

        $phpcsFile->addError(
            '%s() could not be used in parameter lists prior to PHP 5.3.',
            $stackPtr,
            'InParameterList',
            $data
        );
    }
1161451
public function process(File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        $ignore = array(
            \T_DOUBLE_COLON    => true,
            \T_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   = $tokens[$stackPtr]['content'];
        $functionLc = strtolower($function);

        if (isset($this->functionParameters[$functionLc]) === false) {
            return;
        }

        $parameterCount  = $this->getFunctionCallParameterCount($phpcsFile, $stackPtr);
        $openParenthesis = $phpcsFile->findNext(Tokens::$emptyTokens, $stackPtr + 1, null, true, null, true);

        // If the parameter count returned > 0, we know there will be valid open parenthesis.
        if ($parameterCount === 0 && $tokens[$openParenthesis]['code'] !== \T_OPEN_PARENTHESIS) {
            return;
        }

        $parameterOffsetFound = $parameterCount - 1;

        foreach ($this->functionParameters[$functionLc] as $offset => $parameterDetails) {
            if ($offset > $parameterOffsetFound) {
                $itemInfo = array(
                    'name'   => $function,
                    'nameLc' => $functionLc,
                    'offset' => $offset,
                );
                $this->handleFeature($phpcsFile, $openParenthesis, $itemInfo);
            }
        }
    }
1303601
public function process(File $phpcsFile, $stackPtr)
    {
        $this->checkContentBefore($phpcsFile, $stackPtr);
        $this->checkContentAfter($phpcsFile, $stackPtr);
    }
1193267
public function process(File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();
        $token  = $tokens[$stackPtr];

        // Check if the break/continue is within a valid loop structure.
        if (empty($token['conditions']) === false) {
            foreach ($token['conditions'] as $tokenCode) {
                if (isset($this->validLoopStructures[$tokenCode]) === true) {
                    return;
                }
            }
        } else {
            // Deal with older PHPCS versions.
            if (isset($token['scope_condition']) === true && isset($this->backCompat[$tokens[$token['scope_condition']]['code']]) === true) {
                return;
            }
        }

        // If we're still here, no valid loop structure container has been found, so throw an error.
        $error     = "Using '%s' outside of a loop or switch structure is invalid";
        $isError   = false;
        $errorCode = 'Found';
        $data      = array($token['content']);

        if ($this->supportsAbove('7.0')) {
            $error    .= ' and will throw a fatal error since PHP 7.0';
            $isError   = true;
            $errorCode = 'FatalError';
        }

        $this->addMessage($phpcsFile, $error, $stackPtr, $isError, $errorCode, $data);
    }
1010511
public function process(File $phpcsFile, $stackPtr)
    {
        if ($this->supportsAbove('7.0') === false) {
            return;
        }

        $tokens = $phpcsFile->getTokens();

        if ($tokens[$stackPtr]['code'] === \T_OPEN_SHORT_ARRAY) {
            if ($this->isShortList($phpcsFile, $stackPtr) === false) {
                return;
            }

            $open  = $stackPtr;
            $close = $tokens[$stackPtr]['bracket_closer'];
        } else {
            // T_LIST.
            $open = $phpcsFile->findNext(\T_OPEN_PARENTHESIS, $stackPtr, null, false, null, true);
            if ($open === false || isset($tokens[$open]['parenthesis_closer']) === false) {
                return;
            }

            $close = $tokens[$open]['parenthesis_closer'];
        }

        $error = true;
        if (($close - $open) > 1) {
            for ($cnt = $open + 1; $cnt < $close; $cnt++) {
                if (isset($this->ignoreTokens[$tokens[$cnt]['code']]) === false) {
                    $error = false;
                    break;
                }
            }
        }

        if ($error === true) {
            $phpcsFile->addError(
                'Empty list() assignments are not allowed since PHP 7.0',
                $stackPtr,
                'Found'
            );
        }
    }
757060
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        if (isset($tokens[($stackPtr + 1)]) === false)
        {
            return;
        }

        // Single space after the keyword.
        $found = 1;

        if ($tokens[($stackPtr + 1)]['code'] !== T_WHITESPACE)
        {
            $found = 0;
        }
        elseif ($tokens[($stackPtr + 1)]['content'] !== ' ')
        {
            if (strpos($tokens[($stackPtr + 1)]['content'], $phpcsFile->eolChar) !== false)
            {
                $found = 'newline';
            }
            else
            {
                $found = strlen($tokens[($stackPtr + 1)]['content']);
            }
        }

        if ($found !== 1
            && $tokens[($stackPtr)]['code'] !== T_ELSE
            && $tokens[($stackPtr)]['code'] !== T_TRY
            && $tokens[($stackPtr)]['code'] !== T_DO
            && $tokens[($stackPtr)]['code'] !== T_FINALLY
        )
        {
            $error = 'Expected 1 space after %s keyword; %s found';
            $data  = [
                      strtoupper($tokens[$stackPtr]['content']),
                      $found,
                     ];
            $fix   = $phpcsFile->addFixableError($error, $stackPtr, 'SpaceAfterKeyword', $data);

            if ($fix === true)
            {
                if ($found === 0)
                {
                    $phpcsFile->fixer->addContent($stackPtr, ' ');
                }
                else
                {
                    $phpcsFile->fixer->replaceToken(($stackPtr + 1), ' ');
                }
            }
        }

        // Single newline after opening brace.
        if (isset($tokens[$stackPtr]['scope_opener']) === true)
        {
            $opener = $tokens[$stackPtr]['scope_opener'];

            for ($next = ($opener + 1); $next < $phpcsFile->numTokens; $next++)
            {
                $code = $tokens[$next]['code'];

                if ($code === T_WHITESPACE)
                {
                    continue;
                }

                // Skip all empty tokens on the same line as the opener.
                if ($tokens[$next]['line'] === $tokens[$opener]['line']
                    && (isset(PHP_CodeSniffer_Tokens::$emptyTokens[$code]) === true
                    || $code === T_CLOSE_TAG)
                )
                {
                    continue;
                }

                // We found the first bit of a code, or a comment on the
                // following line.
                break;
            }

            $found = ($tokens[$next]['line'] - $tokens[$opener]['line']);

            if ($found !== 1)
            {
                $error = 'Expected 1 newline after opening brace; %s found';
                $data  = [$found];
                $fix   = $phpcsFile->addFixableError($error, $opener, 'NewlineAfterOpenBrace', $data);

                if ($fix === true)
                {
                    $phpcsFile->fixer->beginChangeset();

                    for ($i = ($opener + 1); $i < $next; $i++)
                    {
                        if ($found > 0 && $tokens[$i]['line'] === $tokens[$next]['line'])
                        {
                            break;
                        }

                        $phpcsFile->fixer->replaceToken($i, '');
                    }

                    $phpcsFile->fixer->addContent($opener, $phpcsFile->eolChar);
                    $phpcsFile->fixer->endChangeset();
                }
            }
        }
        elseif ($tokens[$stackPtr]['code'] === T_WHILE)
        {
            // Zero spaces after parenthesis closer.
            $closer = $tokens[$stackPtr]['parenthesis_closer'];
            $found  = 0;

            if ($tokens[($closer + 1)]['code'] === T_WHITESPACE)
            {
                if (strpos($tokens[($closer + 1)]['content'], $phpcsFile->eolChar) !== false)
                {
                    $found = 'newline';
                }
                else
                {
                    $found = strlen($tokens[($closer + 1)]['content']);
                }
            }

            if ($found !== 0)
            {
                $error = 'Expected 0 spaces before semicolon; %s found';
                $data  = [$found];
                $fix   = $phpcsFile->addFixableError($error, $closer, 'SpaceBeforeSemicolon', $data);

                if ($fix === true)
                {
                    $phpcsFile->fixer->replaceToken(($closer + 1), '');
                }
            }
        }//end if

        // Only want to check multi-keyword structures from here on.
        if ($tokens[$stackPtr]['code'] === T_DO)
        {
            if (isset($tokens[$stackPtr]['scope_closer']) === false)
            {
                return;
            }

            $closer = $tokens[$stackPtr]['scope_closer'];
        }
        elseif ($tokens[$stackPtr]['code'] === T_ELSE
            || $tokens[$stackPtr]['code'] === T_ELSEIF
            || $tokens[$stackPtr]['code'] === T_CATCH
        )
        {
            $closer = $phpcsFile->findPrevious(PHP_CodeSniffer_Tokens::$emptyTokens, ($stackPtr - 1), null, true);

            if ($closer === false || $tokens[$closer]['code'] !== T_CLOSE_CURLY_BRACKET)
            {
                return;
            }
        }
        else
        {
            return;
        }

        // Own line for do, else, elseif, catch and no white space after closing brace
        $found = 0;

        if ($tokens[($closer + 1)]['code'] === T_WHITESPACE
            && $tokens[($closer + 1)]['content'] !== $phpcsFile->eolChar
        )
        {
            $found = strlen($tokens[($closer + 1)]['content']);
        }

        if (0 !== $found)
        {
            $error = 'Expected 0 space after closing brace; %s found';
            $data  = [$found];
            $fix   = $phpcsFile->addFixableError($error, $closer, 'SpaceAfterCloseBrace', $data);

            if (true === $fix)
            {
                $phpcsFile->fixer->replaceToken(($closer + 1), '' . $phpcsFile->eolChar);
            }
        }

        if ($tokens[($closer + 1)]['content'] !== $phpcsFile->eolChar && 0 === $found)
        {
            $error  = 'Definition of do,else,elseif,catch must be on their own line.';
            $fix    = $phpcsFile->addFixableError($error, $closer, 'NewLineAfterCloseBrace');
            $blanks = substr($tokens[($closer - 1)]['content'], strpos($tokens[($closer - 1)]['content'], $phpcsFile->eolChar));
            $spaces = str_repeat(' ', strlen($blanks));

            if (true === $fix)
            {
                $phpcsFile->fixer->beginChangeset();
                $phpcsFile->fixer->addContent($closer, $phpcsFile->eolChar);
                $phpcsFile->fixer->addContentBefore(($closer + 1), $spaces);
                $phpcsFile->fixer->endChangeset();
            }
        }
    }
957083
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        /**
         * We distinguish between the class, function and namespace names or the define statements
         */
        if ($tokens[$stackPtr]['type'] == 'T_STRING') {
            $this->processString($phpcsFile, $stackPtr, $tokens);
        } else {
            $this->processNonString($phpcsFile, $stackPtr, $tokens);
        }
    }
480700
public function process(File $phpcsFile, $stackPtr)
    {
        $tokens    = $phpcsFile->getTokens();
        $namespace = $phpcsFile->findPrevious(T_NAMESPACE, ($stackPtr - 1));

        if ($namespace === false) {
            $error = 'Each %s must be in a namespace of at least one level (a top-level vendor name)';
            $data  = array($tokens[$stackPtr]['content']);
            $phpcsFile->addError($error, $stackPtr, 'MissingNamespace', $data);
        }
    }
902021
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
	{
		$tokens = $phpcsFile->getTokens();
		// Single space after the keyword.
		$found = 1;
		if ($tokens[($stackPtr + 1)]['code'] !== T_WHITESPACE) {
			$found = 0;
		} else if ( ! in_array($tokens[($stackPtr + 1)]['content'], [' ', $phpcsFile->eolChar])) {
			$found = strlen($tokens[($stackPtr + 1)]['content']);
		}
		if ($found !== 1) {
			$error = 'Expected 1 space after %s keyword; %s found';
			$data  = array(
				strtoupper($tokens[$stackPtr]['content']),
				$found,
			);
			$fix = $phpcsFile->addFixableError($error, $stackPtr, 'SpaceAfterKeyword', $data);
			if ($fix === true) {
				if ($found === 0) {
					$phpcsFile->fixer->addContent($stackPtr, ' ');
				} else {
					$phpcsFile->fixer->replaceToken(($stackPtr + 1), ' ');
				}
			}
		}
		// Single space after closing parenthesis.
		if (isset($tokens[$stackPtr]['parenthesis_closer']) === true
			&& isset($tokens[$stackPtr]['scope_opener']) === true
		) {
			$closer  = $tokens[$stackPtr]['parenthesis_closer'];
			$opener  = $tokens[$stackPtr]['scope_opener'];
			$content = $phpcsFile->getTokensAsString(($closer + 1), ($opener - $closer - 1));

			if (isset($content[0]) && $content[0] !== $phpcsFile->eolChar) {
				$error = 'Expected 1 new line after closing parenthesis; found "%s"';
				$data  = array(str_replace($phpcsFile->eolChar, '\n', $content));
				$fix   = $phpcsFile->addFixableError($error, $closer, 'SpaceAfterCloseParenthesis', $data);
				if ($fix === true) {
					if ($closer === ($opener - 1)) {
						$phpcsFile->fixer->addContent($closer, ' ');
					} else {
						$phpcsFile->fixer->beginChangeset();
						for ($i = ($closer + 1); $i < $opener; $i++) {
							$phpcsFile->fixer->replaceToken($i, '');
						}
						$phpcsFile->fixer->addContent($closer, ' ');
						$phpcsFile->fixer->endChangeset();
					}
				}
			}
		}//end if
		// Single newline after opening brace.
		if (isset($tokens[$stackPtr]['scope_opener']) === true) {
			$opener = $tokens[$stackPtr]['scope_opener'];
			$next   = $phpcsFile->findNext(T_WHITESPACE, ($opener + 1), null, true);
			$found  = ($tokens[$next]['line'] - $tokens[$opener]['line']);
			if ($found !== 1) {
				$error = 'Expected 1 newline after opening brace; %s found';
				$data  = array($found);
				$fix   = $phpcsFile->addFixableError($error, $opener, 'NewlineAfterOpenBrace', $data);
				if ($fix === true) {
					$phpcsFile->fixer->beginChangeset();
					for ($i = ($opener + 1); $i < $next; $i++) {
						if ($found > 0 && $tokens[$i]['line'] === $tokens[$next]['line']) {
							break;
						}
						$phpcsFile->fixer->replaceToken($i, '');
					}
					$phpcsFile->fixer->addContent($opener, $phpcsFile->eolChar);
					$phpcsFile->fixer->endChangeset();
				}
			}
		} else if ($tokens[$stackPtr]['code'] === T_WHILE) {
			// Zero spaces after parenthesis closer.
			$closer = $tokens[$stackPtr]['parenthesis_closer'];
			$found  = 0;
			if ($tokens[($closer + 1)]['code'] === T_WHITESPACE) {
				if (strpos($tokens[($closer + 1)]['content'], $phpcsFile->eolChar) !== false) {
					$found = 'newline';
				} else {
					$found = strlen($tokens[($closer + 1)]['content']);
				}
			}
			if ($found !== 0) {
				$error = 'Expected 0 spaces before semicolon; %s found';
				$data  = array($found);
				$fix   = $phpcsFile->addFixableError($error, $closer, 'SpaceBeforeSemicolon', $data);
				if ($fix === true) {
					$phpcsFile->fixer->replaceToken(($closer + 1), '');
				}
			}
		}//end if
		// Only want to check multi-keyword structures from here on.
		if ($tokens[$stackPtr]['code'] === T_TRY
			|| $tokens[$stackPtr]['code'] === T_DO
		) {
			$closer = $tokens[$stackPtr]['scope_closer'];
		} else if ($tokens[$stackPtr]['code'] === T_ELSE
			|| $tokens[$stackPtr]['code'] === T_ELSEIF
		) {
			$closer = $phpcsFile->findPrevious(T_CLOSE_CURLY_BRACKET, ($stackPtr - 1));
		} else {
			return;
		}
		// Single space after closing brace.
		$found = 1;
		if ($tokens[($closer + 1)]['code'] !== T_WHITESPACE) {
			$found = 0;
		} else if ( ! in_array($tokens[($closer + 1)]['content'], [' ', $phpcsFile->eolChar])) {
			if (strpos($tokens[($closer + 1)]['content'], $phpcsFile->eolChar) !== false) {
				$found = 'newline';
			} else {
				$found = strlen($tokens[($closer + 1)]['content']);
			}
		}
		if ($found !== 1) {
			$error = 'Expected 1 space after closing brace; %s found';
			$data  = array($found);
			$fix   = $phpcsFile->addFixableError($error, $closer, 'SpaceAfterCloseBrace', $data);
			if ($fix === true) {
				if ($found === 0) {
					$phpcsFile->fixer->addContent($closer, ' ');
				} else {
					$phpcsFile->fixer->replaceToken(($closer + 1), ' ');
				}
			}
		}
	}
300164
public function process(File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        $ignore = array(
            \T_DOUBLE_COLON    => true,
            \T_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;
        }

        $functionLc = strtolower($tokens[$stackPtr]['content']);
        if (isset($this->iniFunctions[$functionLc]) === false) {
            return;
        }

        $iniToken = $this->getFunctionCallParameter($phpcsFile, $stackPtr, $this->iniFunctions[$functionLc]);
        if ($iniToken === false) {
            return;
        }

        $filteredToken = $this->stripQuotes($iniToken['raw']);
        if (isset($this->newIniDirectives[$filteredToken]) === false) {
            return;
        }

        $itemInfo = array(
            'name'       => $filteredToken,
            'functionLc' => $functionLc,
        );
        $this->handleFeature($phpcsFile, $iniToken['end'], $itemInfo);
    }
278862
public function process(File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        $ignore = array(
                   T_DOUBLE_COLON => true,
                   T_FUNCTION     => true,
                   T_CONST        => true,
                   T_PUBLIC       => true,
                   T_PRIVATE      => true,
                   T_PROTECTED    => true,
                   T_AS           => true,
                   T_NEW          => true,
                   T_INSTEADOF    => true,
                   T_NS_SEPARATOR => true,
                   T_IMPLEMENTS   => true,
                  );

        $prevToken = $phpcsFile->findPrevious(T_WHITESPACE, ($stackPtr - 1), null, true);

        // If function call is directly preceded by a NS_SEPARATOR it points to the
        // global namespace, so we should still catch it.
        if ($tokens[$prevToken]['code'] === T_NS_SEPARATOR) {
            $prevToken = $phpcsFile->findPrevious(T_WHITESPACE, ($prevToken - 1), null, true);
            if ($tokens[$prevToken]['code'] === T_STRING) {
                // Not in the global namespace.
                return;
            }
        }

        if (isset($ignore[$tokens[$prevToken]['code']]) === true) {
            // Not a call to a PHP function.
            return;
        }

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

        if ($tokens[$stackPtr]['code'] === T_STRING && $tokens[$nextToken]['code'] !== T_OPEN_PARENTHESIS) {
            // Not a call to a PHP function.
            return;
        }

        $function = strtolower($tokens[$stackPtr]['content']);
        $pattern  = null;

        if ($this->patternMatch === true) {
            $count   = 0;
            $pattern = preg_replace(
                $this->forbiddenFunctionNames,
                $this->forbiddenFunctionNames,
                $function,
                1,
                $count
            );

            if ($count === 0) {
                return;
            }

            // Remove the pattern delimiters and modifier.
            $pattern = substr($pattern, 1, -2);
        } else {
            if (in_array($function, $this->forbiddenFunctionNames) === false) {
                return;
            }
        }//end if

        $this->addError($phpcsFile, $stackPtr, $function, $pattern);

    }
642622
public function process(File $phpcsFile, $stackPtr)
    {
        if ($this->supportsBelow('5.4') === false) {
            return;
        }

        $tokens = $phpcsFile->getTokens();

        $open = $phpcsFile->findNext(Tokens::$emptyTokens, ($stackPtr + 1), null, true, null, true);
        if ($open === false
            || $tokens[$open]['code'] !== \T_OPEN_PARENTHESIS
            || isset($tokens[$open]['parenthesis_closer']) === false
        ) {
            return;
        }

        $close = $tokens[$open]['parenthesis_closer'];

        $nestingLevel = 0;
        if ($close !== ($open + 1) && isset($tokens[$open + 1]['nested_parenthesis'])) {
            $nestingLevel = \count($tokens[$open + 1]['nested_parenthesis']);
        }

        if ($this->isVariable($phpcsFile, ($open + 1), $close, $nestingLevel) === true) {
            return;
        }

        $phpcsFile->addError(
            'Only variables can be passed to empty() prior to PHP 5.5.',
            $stackPtr,
            'Found'
        );
    }
41979
public function process(File $phpcsFile, $stackPtr) {
		$tokens = $phpcsFile->getTokens();
		$s = $phpcsFile->findNext(\PHP_CodeSniffer\Util\Tokens::$stringTokens, $stackPtr + 1);
		if (preg_match('/\.(\w+)(?:\'|\")$/', $tokens[$s]['content'], $matches)) {
			$ext = $matches[1];
			if (!array_key_exists($ext, $phpcsFile->config->extensions)) {
				$phpcsFile->addError("The file extension '.$ext' that is not specified by --extensions has been used in a include/require function. Please add it to the scan process.", $stackPtr, 'ErrMiscIncludeMismatch');
			}
		} else {
			$phpcsFile->addError("No file extension has been found in a include/require function. This implies that some PHP code is not scanned by PHPCS.", $stackPtr, 'ErrMiscIncludeMismatchNoExt');
		}
	}
220588
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
    {
        $tokens    = $phpcsFile->getTokens();
        $errorData = [strtolower($tokens[$stackPtr]['content'])];

        if (false === isset($tokens[$stackPtr]['scope_opener']))
        {
            // @todo sort while thing...
            if ($tokens[$stackPtr]['code'] !== T_WHILE)
            {
                $error = 'Possible parse error: %s missing opening or closing brace';
                $phpcsFile->addWarning($error, $stackPtr, 'MissingBrace', $errorData);
            }

            return;
        }

        $curlyBrace  = $tokens[$stackPtr]['scope_opener'];
        $lastContent = $phpcsFile->findPrevious(T_WHITESPACE, ($curlyBrace - 1), $stackPtr, true);
        $classLine   = $tokens[$lastContent]['line'];
        $braceLine   = $tokens[$curlyBrace]['line'];

        if ($braceLine === $classLine)
        {
            $phpcsFile->recordMetric($stackPtr, 'Class opening brace placement', 'same line');
            $error = 'Opening brace of a %s must be on the line after the definition';
            $fix   = $phpcsFile->addFixableError($error, $curlyBrace, 'OpenBraceNewLine', $errorData);

            if (true === $fix)
            {
                $phpcsFile->fixer->beginChangeset();

                if (T_WHITESPACE === $tokens[($curlyBrace - 1)]['code'])
                {
                    $phpcsFile->fixer->replaceToken(($curlyBrace - 1), '');
                }

                $phpcsFile->fixer->addNewlineBefore($curlyBrace);
                $phpcsFile->fixer->endChangeset();
            }

            return;
        }
        else
        {
            $phpcsFile->recordMetric($stackPtr, 'Class opening brace placement', 'new line');

            if ($braceLine > ($classLine + 1))
            {
                $error = 'Opening brace of a %s must be on the line following the %s declaration.; Found %s line(s).';
                $data  = [
                          $tokens[$stackPtr]['content'],
                          $tokens[$stackPtr]['content'],
                          ($braceLine - $classLine - 1),
                         ];
                $fix   = $phpcsFile->addFixableError($error, $curlyBrace, 'OpenBraceWrongLine', $data);

                if (true === $fix)
                {
                    $phpcsFile->fixer->beginChangeset();

                    for ($i = ($curlyBrace - 1); $i > $lastContent; $i--)
                    {
                        if ($tokens[$i]['line'] === ($tokens[$curlyBrace]['line'] + 1))
                        {
                            break;
                        }

                        $phpcsFile->fixer->replaceToken($i, '');
                    }

                    $phpcsFile->fixer->endChangeset();
                }

                return;
            }
        }

        if ($tokens[($curlyBrace + 1)]['content'] !== $phpcsFile->eolChar)
        {
            $error = 'Opening %s brace must be on a line by itself.';
            $fix   = $phpcsFile->addFixableError($error, $curlyBrace, 'OpenBraceNotAlone', $errorData);

            if (true === $fix)
            {
                $phpcsFile->fixer->addContent($curlyBrace, $phpcsFile->eolChar);
            }
        }

        if (T_WHITESPACE === $tokens[($curlyBrace - 1)]['code'])
        {
            $prevContent = $tokens[($curlyBrace - 1)]['content'];

            if ($prevContent === $phpcsFile->eolChar)
            {
                $spaces = 0;
            }
            else
            {
                $blankSpace = substr($prevContent, strpos($prevContent, $phpcsFile->eolChar));
                $spaces     = strlen($blankSpace);
            }

            $expected = ($tokens[$stackPtr]['level'] * $this->indent);

            if ($spaces !== $expected)
            {
                $error = 'Expected %s spaces before opening brace; %s found';
                $data  = [
                          $expected,
                          $spaces,
                         ];
                $fix   = $phpcsFile->addFixableError($error, $curlyBrace, 'SpaceBeforeBrace', $data);

                if ($fix === true)
                {
                    $indent = str_repeat(' ', $expected);

                    if ($spaces === 0)
                    {
                        $phpcsFile->fixer->addContentBefore($curlyBrace, $indent);
                    }
                    else
                    {
                        $phpcsFile->fixer->replaceToken(($curlyBrace - 1), $indent);
                    }
                }
            }
        }
    }
724912
public function process(File $phpcsFile, $stackPtr)
    {
        $algo = $this->getHashAlgorithmParameter($phpcsFile, $stackPtr);
        if (empty($algo) || \is_string($algo) === false) {
            return;
        }

        // Bow out if not one of the algorithms we're targetting.
        if (isset($this->newAlgorithms[$algo]) === false) {
            return;
        }

        // Check if the algorithm used is new.
        $itemInfo = array(
            'name'   => $algo,
        );
        $this->handleFeature($phpcsFile, $stackPtr, $itemInfo);
    }
518384
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
    {
        if ($this->supportsAbove('5.4')) {
            $tokens = $phpcsFile->getTokens();
            $nextSemicolonToken = $phpcsFile->findNext(T_SEMICOLON, ($stackPtr), null, false);
            for ($curToken = $stackPtr + 1; $curToken < $nextSemicolonToken; $curToken++) {
                $gotError = false;
                if ($tokens[$curToken]['type'] == 'T_STRING') {
                    // If the next non-whitespace token after the string
                    // is an opening parenthesis then it's a function call.
                    $openBracket = $phpcsFile->findNext(PHP_CodeSniffer_Tokens::$emptyTokens, $curToken + 1, null, true);
                    if ($tokens[$openBracket]['code'] !== T_OPEN_PARENTHESIS) {
                        continue;
                    } else {
                        $gotError = true;
                    }
                }
                switch ($tokens[$curToken]['type']) {
                    case 'T_VARIABLE':
                    case 'T_FUNCTION':
                        $gotError = true;
                        break;
                }
                if ($gotError === true) {
                    $error = 'Using a variable argument on break or continue is forbidden since PHP 5.4';
                    $phpcsFile->addError($error, $stackPtr);
                }
            }
        }
    }
1107269
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();
        $token = $tokens[$stackPtr];

        if (!array_key_exists('scope_opener', $token) || !array_key_exists('scope_closer', $token)) {
            return;
        }

        $scopeOpener = $token['scope_opener'];
        $firstContent = $phpcsFile->findNext(T_WHITESPACE, $scopeOpener + 1, null, true);

        if ($tokens[$firstContent]['line'] !== $tokens[$scopeOpener]['line'] + 1) {
            $phpcsFile->addError('Blank line found at start of control structure', $scopeOpener, 'SpacingBeforeOpen');
        }

        $scopeCloser = $token['scope_closer'];
        $lastContent = $phpcsFile->findPrevious(T_WHITESPACE, $scopeCloser - 1, null, true);

        if ($tokens[$lastContent]['line'] !== $tokens[$scopeCloser]['line'] - 1) {
            $phpcsFile->addError('Blank line found at end of control structure', $lastContent + 2, 'SpacingAfterClose');
        }
    }