85 lines
2.3 KiB
PHP
85 lines
2.3 KiB
PHP
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<?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\ParameterValues;
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use PHPCompatibility\AbstractFunctionCallParameterSniff;
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use PHP_CodeSniffer_File as File;
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/**
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* Detect: Passing `null` to `get_class()` is no longer allowed as of PHP 7.2.
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* This will now result in an `E_WARNING` being thrown.
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*
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* PHP version 7.2
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*
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* @link https://wiki.php.net/rfc/get_class_disallow_null_parameter
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* @link https://www.php.net/manual/en/function.get-class.php#refsect1-function.get-class-changelog
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*
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* @since 9.0.0
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*/
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class ForbiddenGetClassNullSniff extends AbstractFunctionCallParameterSniff
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{
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/**
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* Functions to check for.
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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 $targetFunctions = array(
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'get_class' => true,
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);
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/**
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* Do a version check to determine if this sniff needs to run at all.
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*
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* @since 9.0.0
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*
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* @return bool
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*/
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protected function bowOutEarly()
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{
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return ($this->supportsAbove('7.2') === false);
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}
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/**
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* Process the parameters of a matched function.
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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 $stackPtr The position of the current token in the stack.
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* @param string $functionName The token content (function name) which was matched.
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* @param array $parameters Array with information about the parameters.
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*
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* @return int|void Integer stack pointer to skip forward or void to continue
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* normal file processing.
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*/
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public function processParameters(File $phpcsFile, $stackPtr, $functionName, $parameters)
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{
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if (isset($parameters[1]) === false) {
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return;
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}
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if ($parameters[1]['raw'] !== 'null') {
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return;
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}
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$phpcsFile->addError(
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'Passing "null" as the $object to get_class() is not allowed since PHP 7.2.',
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$parameters[1]['start'],
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'Found'
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);
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}
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}
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