89 lines
2.4 KiB
PHP
89 lines
2.4 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\FunctionDeclarations;
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use PHPCompatibility\Sniff;
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use PHPCompatibility\PHPCSHelper;
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use PHP_CodeSniffer_File as File;
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/**
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* Functions can not have multiple parameters with the same name since PHP 7.0.
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*
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* PHP version 7.0
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*
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* @link https://www.php.net/manual/en/migration70.incompatible.php#migration70.incompatible.other.func-parameters
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*
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* @since 7.0.0
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*/
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class ForbiddenParametersWithSameNameSniff extends Sniff
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{
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/**
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* Returns an array of tokens this test wants to listen for.
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*
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* @since 7.0.0
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* @since 7.1.3 Allows for closures.
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*
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* @return array
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*/
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public function register()
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{
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return array(
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\T_FUNCTION,
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\T_CLOSURE,
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);
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}
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/**
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* Processes this test, when one of its tokens is encountered.
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*
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* @since 7.0.0
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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
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* in the stack passed in $tokens.
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*
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* @return void
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*/
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public function process(File $phpcsFile, $stackPtr)
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{
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if ($this->supportsAbove('7.0') === false) {
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return;
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}
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$tokens = $phpcsFile->getTokens();
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$token = $tokens[$stackPtr];
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// Skip function without body.
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if (isset($token['scope_opener']) === false) {
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return;
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}
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// Get all parameters from method signature.
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$parameters = PHPCSHelper::getMethodParameters($phpcsFile, $stackPtr);
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if (empty($parameters) || \is_array($parameters) === false) {
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return;
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}
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$paramNames = array();
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foreach ($parameters as $param) {
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$paramNames[] = $param['name'];
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}
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if (\count($paramNames) !== \count(array_unique($paramNames))) {
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$phpcsFile->addError(
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'Functions can not have multiple parameters with the same name since PHP 7.0',
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$stackPtr,
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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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