function JumbledIncrementerSniff::findIncrementers

Get all used variables in the incrementer part of a for statement.

Parameters

array<int, array> $tokens Array with all code sniffer tokens.:

array<string, mixed> $token Current for loop token.:

Return value

string[] List of all found incrementer variables.

1 call to JumbledIncrementerSniff::findIncrementers()

JumbledIncrementerSniff::process in vendor/squizlabs/php_codesniffer/src/Standards/Generic/Sniffs/CodeAnalysis/JumbledIncrementerSniff.php

Processes this test, when one of its tokens is encountered.

File

vendor/squizlabs/php_codesniffer/src/Standards/Generic/Sniffs/CodeAnalysis/JumbledIncrementerSniff.php, line 108

Class

JumbledIncrementerSniff

Namespace

PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis

Code

protected function findIncrementers(array $tokens, array $token) {
    // Skip invalid statement.
    if (isset($token['parenthesis_opener'], $token['parenthesis_closer']) === false) {
        return [];
    }
    $start = ++$token['parenthesis_opener'];
    $end = --$token['parenthesis_closer'];
    $incrementers = [];
    $semicolons = 0;
    for ($next = $start; $next <= $end; ++$next) {
        $code = $tokens[$next]['code'];
        if ($code === T_SEMICOLON) {
            ++$semicolons;
        }
        else {
            if ($semicolons === 2 && $code === T_VARIABLE) {
                $incrementers[] = $tokens[$next]['content'];
            }
        }
    }
    return $incrementers;
}