40 lines
849 B
PHP
40 lines
849 B
PHP
<?php
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namespace Core\Driver\SQL;
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abstract class RowIterator implements \Iterator {
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protected $resultSet;
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protected int $rowIndex;
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protected array $fetchedRows;
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protected int $numRows;
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protected bool $useCache;
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public function __construct($resultSet, bool $useCache = false) {
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$this->resultSet = $resultSet;
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$this->fetchedRows = [];
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$this->rowIndex = 0;
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$this->numRows = $this->getNumRows();
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$this->useCache = $useCache;
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}
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protected abstract function getNumRows(): int;
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protected abstract function fetchRow(int $index): array;
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public function current() {
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return $this->fetchRow($this->rowIndex);
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}
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public function next() {
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$this->rowIndex++;
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}
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public function key() {
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return $this->rowIndex;
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}
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public function valid(): bool {
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return $this->rowIndex < $this->numRows;
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}
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}
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