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39 lines
1.2 KiB
PHP
39 lines
1.2 KiB
PHP
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<?php
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namespace Psalm\Example\Plugin;
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use PhpParser\Node\Expr\ArrayItem;
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use Psalm\Internal\Analyzer\StatementsAnalyzer;
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use Psalm\Plugin\EventHandler\Event\AddRemoveTaintsEvent;
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use Psalm\Plugin\EventHandler\RemoveTaintsInterface;
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class SafeArrayKeyChecker implements RemoveTaintsInterface
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{
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/**
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* Called to see what taints should be removed
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*
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* @return list<string>
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*/
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public static function removeTaints(AddRemoveTaintsEvent $event): array {
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$item = $event->getExpr();
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$statements_analyzer = $event->getStatementsSource();
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if (!($item instanceof ArrayItem) || !($statements_analyzer instanceof StatementsAnalyzer)) {
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return [];
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}
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$item_key_value = '';
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if ($item->key) {
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if ($item_key_type = $statements_analyzer->node_data->getType($item->key)) {
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$key_type = $item_key_type;
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if ($key_type->isSingleStringLiteral()) {
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$item_key_value = $key_type->getSingleStringLiteral()->value;
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}
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}
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}
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if ($item_key_value === 'safe_key') {
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return ['html'];
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}
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return [];
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}
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}
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