function UnusedVariableSniff::isParameterPassedByReference

1 call to UnusedVariableSniff::isParameterPassedByReference()

UnusedVariableSniff::process in vendor/slevomat/coding-standard/SlevomatCodingStandard/Sniffs/Variables/UnusedVariableSniff.php

* @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint *

File

vendor/slevomat/coding-standard/SlevomatCodingStandard/Sniffs/Variables/UnusedVariableSniff.php, line 556

Class

UnusedVariableSniff

Namespace

SlevomatCodingStandard\Sniffs\Variables

Code

private function isParameterPassedByReference(File $phpcsFile, int $functionPointer, string $variableName) : bool {
    $tokens = $phpcsFile->getTokens();
    for ($i = $tokens[$functionPointer]['parenthesis_opener'] + 1; $i < $tokens[$functionPointer]['parenthesis_closer']; $i++) {
        if ($tokens[$i]['code'] !== T_VARIABLE) {
            continue;
        }
        if ($tokens[$i]['content'] !== $variableName) {
            continue;
        }
        $pointerBeforeParameter = TokenHelper::findPreviousEffective($phpcsFile, $i - 1);
        if ($tokens[$pointerBeforeParameter]['code'] === T_BITWISE_AND) {
            return true;
        }
    }
    return false;
}