75 lines
2.1 KiB
PHP
75 lines
2.1 KiB
PHP
<?php
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/**
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* PHPCompatibility, an external standard for PHP_CodeSniffer.
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*
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* @package PHPCompatibility
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* @copyright 2012-2019 PHPCompatibility Contributors
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* @license https://opensource.org/licenses/LGPL-3.0 LGPL3
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* @link https://github.com/PHPCompatibility/PHPCompatibility
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*/
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namespace PHPCompatibility\Sniffs\Lists;
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use PHPCompatibility\Sniffs\Lists\NewKeyedListSniff;
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use PHP_CodeSniffer_File as File;
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/**
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* Detect reference assignments in array destructuring using (short) list.
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*
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* PHP version 7.3
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*
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* @link https://www.php.net/manual/en/migration73.new-features.php#migration73.new-features.core.destruct-reference
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* @link https://wiki.php.net/rfc/list_reference_assignment
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* @link https://www.php.net/manual/en/function.list.php
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*
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* @since 9.0.0
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*/
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class NewListReferenceAssignmentSniff extends NewKeyedListSniff
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{
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/**
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* The token(s) within the list construct which is being targeted.
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*
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* @since 9.0.0
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*
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* @var array
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*/
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protected $targetsInList = array(
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\T_BITWISE_AND => \T_BITWISE_AND,
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);
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/**
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* Do a version check to determine if this sniff needs to run at all.
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*
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* @since 9.0.0
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*
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* @return bool
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*/
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protected function bowOutEarly()
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{
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return ($this->supportsBelow('7.2') === false);
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}
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/**
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* Examine the contents of a list construct to determine whether an error needs to be thrown.
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*
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* @since 9.0.0
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*
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* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
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* @param int $opener The position of the list open token.
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* @param int $closer The position of the list close token.
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*
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* @return void
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*/
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protected function examineList(File $phpcsFile, $opener, $closer)
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{
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$start = $opener;
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while (($start = $this->hasTargetInList($phpcsFile, $start, $closer)) !== false) {
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$phpcsFile->addError(
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'Reference assignments within list constructs are not supported in PHP 7.2 or earlier.',
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$start,
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'Found'
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);
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}
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}
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}
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