for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
/**
* @author Kévin Gomez https://github.com/K-Phoen <[email protected]>
*/
namespace PHPSA\Analyzer\Pass\Expression;
use PhpParser\Node\Expr;
use PHPSA\Analyzer\Helper\ConfigurablePassTrait;
use PHPSA\Analyzer\Pass;
use PHPSA\Context;
class ArrayDuplicateKeys implements Pass\AnalyzerPassInterface, Pass\ConfigurablePassInterface
{
use ConfigurablePassTrait;
* @param Expr\Array_ $expr
* @param Context $context
* @return bool
public function pass(Expr\Array_ $expr, Context $context)
$result = false;
$keys = [];
/** @var Expr\ArrayItem $item */
foreach ($expr->items as $item) {
$compiledKey = $context->getExpressionCompiler()->compile($item->key);
if (!$compiledKey->isTypeKnown() || !$compiledKey->isScalar() || !$compiledKey->hasValue()) {
continue;
}
$key = $compiledKey->getValue();
if (isset($keys[$key])) {
$context->notice(
'array.duplicate_keys',
sprintf(
'Duplicate array key "%s" in array definition (previously declared in line %d).',
$item->key instanceof Expr\Variable ? sprintf('$%s (resolved value: "%s")', $item->key->name, $key) : $key,
$keys[$key]->getLine()
),
$item
);
$result = true;
$keys[$key] = $item;
return $result;
* @return array
public function getRegister()
return [
Expr\Array_::class
];
ovr /
phpsa
