27 lines
710 B
PHP
27 lines
710 B
PHP
<?php declare(strict_types=1);
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namespace BitBadger\PDODocument\Mapper;
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use BitBadger\PDODocument\Configuration;
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use BitBadger\PDODocument\DocumentException;
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use BitBadger\PDODocument\Mode;
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/**
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* Map an EXISTS result to a boolean value
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*/
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class ExistsMapper implements Mapper
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{
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/**
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* @inheritDoc
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* @throws DocumentException If the database mode has not been set
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*/
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public function map(array $result): bool
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{
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return match (Configuration::$mode) {
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Mode::PgSQL => (bool)$result[0],
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Mode::SQLite => (int)$result[0] > 0,
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default => throw new DocumentException('Database mode not set; cannot map existence result'),
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};
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}
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}
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