Source for file MultiLineFunctionDeclarationSniff.php
Documentation is available at MultiLineFunctionDeclarationSniff.php
* Ensure single and multi-line function declarations are defined correctly.
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
namespace PHP_CodeSniffer\Standards\Squiz\Sniffs\Functions;
use PHP_CodeSniffer\Standards\PEAR\Sniffs\Functions\FunctionDeclarationSniff as PEARFunctionDeclarationSniff;
use PHP_CodeSniffer\Util\Tokens;
class MultiLineFunctionDeclarationSniff extends PEARFunctionDeclarationSniff
* A list of tokenizers this sniff supports.
public $supportedTokenizers = array (
* Determine if this is a multi-line function declaration.
* @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.
* @param int $openBracket The position of the opening bracket
* in the stack passed in $tokens.
* @param array $tokens The stack of tokens that make up
public function isMultiLineDeclaration ($phpcsFile, $stackPtr, $openBracket, $tokens)
$bracketsToCheck = array ($stackPtr => $openBracket);
// Closures may use the USE keyword and so be multi-line in this way.
if ($tokens[$stackPtr]['code'] === T_CLOSURE) {
$use = $phpcsFile->findNext (T_USE , ($tokens[$openBracket]['parenthesis_closer'] + 1 ), $tokens[$stackPtr]['scope_opener']);
$bracketsToCheck[$use] = $open;
foreach ($bracketsToCheck as $stackPtr => $openBracket) {
// If the first argument is on a new line, this is a multi-line
// function declaration, even if there is only one argument.
$next = $phpcsFile->findNext (Tokens ::$emptyTokens, ($openBracket + 1 ), null , true );
if ($tokens[$next]['line'] !== $tokens[$stackPtr]['line']) {
$closeBracket = $tokens[$openBracket]['parenthesis_closer'];
$end = $phpcsFile->findEndOfStatement ($openBracket + 1 );
while ($tokens[$end]['code'] === T_COMMA) {
// If the next bit of code is not on the same line, this is a
// multi-line function declaration.
$next = $phpcsFile->findNext (Tokens ::$emptyTokens, ($end + 1 ), $closeBracket, true );
if ($tokens[$next]['line'] !== $tokens[$end]['line']) {
$end = $phpcsFile->findEndOfStatement ($next);
// We've reached the last argument, so see if the next content
// (should be the close bracket) is also on the same line.
$next = $phpcsFile->findNext (Tokens ::$emptyTokens, ($end + 1 ), $closeBracket, true );
if ($next !== false && $tokens[$next]['line'] !== $tokens[$end]['line']) {
}//end isMultiLineDeclaration()
* Processes multi-line declarations.
* @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.
* @param array $tokens The stack of tokens that make up
public function processMultiLineDeclaration ($phpcsFile, $stackPtr, $tokens)
// We do everything the parent sniff does, and a bit more.
parent ::processMultiLineDeclaration ($phpcsFile, $stackPtr, $tokens);
$openBracket = $tokens[$stackPtr]['parenthesis_opener'];
$this->processBracket ($phpcsFile, $openBracket, $tokens, 'function');
if ($tokens[$stackPtr]['code'] !== T_CLOSURE) {
$use = $phpcsFile->findNext (T_USE , ($tokens[$stackPtr]['parenthesis_closer'] + 1 ), $tokens[$stackPtr]['scope_opener']);
$this->processBracket ($phpcsFile, $openBracket, $tokens, 'use');
if ($tokens[($use - 1 )]['code'] === T_WHITESPACE ) {
$gap = strlen($tokens[($use - 1 )]['content']);
}//end processMultiLineDeclaration()
* Processes the contents of a single set of brackets.
* @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
* @param int $openBracket The position of the open bracket
* in the stack passed in $tokens.
* @param array $tokens The stack of tokens that make up
* @param string $type The type of the token the brackets
* belong to (function or use).
public function processBracket ($phpcsFile, $openBracket, $tokens, $type= 'function')
$closeBracket = $tokens[$openBracket]['parenthesis_closer'];
// The open bracket should be the last thing on the line.
if ($tokens[$openBracket]['line'] !== $tokens[$closeBracket]['line']) {
$next = $phpcsFile->findNext (Tokens ::$emptyTokens, ($openBracket + 1 ), null , true );
if ($tokens[$next]['line'] !== ($tokens[$openBracket]['line'] + 1 )) {
$error = 'The first parameter of a multi-line '. $type. ' declaration must be on the line after the opening bracket';
$fix = $phpcsFile->addFixableError ($error, $next, $errorPrefix. 'FirstParamSpacing');
$phpcsFile->fixer ->addNewline ($openBracket);
// Each line between the brackets should contain a single parameter.
for ($i = ($openBracket + 1 ); $i < $closeBracket; $i++ ) {
// Skip brackets, like arrays, as they can contain commas.
if (isset ($tokens[$i]['bracket_opener']) === true ) {
$i = $tokens[$i]['bracket_closer'];
if (isset ($tokens[$i]['parenthesis_opener']) === true ) {
$i = $tokens[$i]['parenthesis_closer'];
if ($tokens[$i]['code'] !== T_COMMA) {
$next = $phpcsFile->findNext (T_WHITESPACE , ($i + 1 ), null , true );
if ($tokens[$next]['line'] === $tokens[$i]['line']) {
$error = 'Multi-line '. $type. ' declarations must define one parameter per line';
$fix = $phpcsFile->addFixableError ($error, $next, $errorPrefix. 'OneParamPerLine');
$phpcsFile->fixer ->addNewline ($i);
Documentation generated on Mon, 11 Mar 2019 15:27:38 -0400 by phpDocumentor 1.4.4. PEAR Logo Copyright © PHP Group 2004.
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