138 lines
2.9 KiB
PHP
138 lines
2.9 KiB
PHP
<?php
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namespace Doctrine\DBAL\Cache;
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use ArrayIterator;
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use Doctrine\DBAL\Driver\ResultStatement;
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use Doctrine\DBAL\FetchMode;
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use InvalidArgumentException;
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use IteratorAggregate;
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use PDO;
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use function array_merge;
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use function array_values;
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use function count;
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use function reset;
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class ArrayStatement implements IteratorAggregate, ResultStatement
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{
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/** @var mixed[] */
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private $data;
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/** @var int */
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private $columnCount = 0;
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/** @var int */
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private $num = 0;
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/** @var int */
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private $defaultFetchMode = FetchMode::MIXED;
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/**
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* @param mixed[] $data
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*/
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public function __construct(array $data)
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{
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$this->data = $data;
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if (! count($data)) {
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return;
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}
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$this->columnCount = count($data[0]);
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}
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/**
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* {@inheritdoc}
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*/
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public function closeCursor()
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{
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unset($this->data);
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}
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/**
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* {@inheritdoc}
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*/
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public function columnCount()
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{
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return $this->columnCount;
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}
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/**
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* {@inheritdoc}
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*/
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public function setFetchMode($fetchMode, $arg2 = null, $arg3 = null)
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{
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if ($arg2 !== null || $arg3 !== null) {
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throw new InvalidArgumentException('Caching layer does not support 2nd/3rd argument to setFetchMode()');
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}
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$this->defaultFetchMode = $fetchMode;
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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public function getIterator()
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{
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$data = $this->fetchAll();
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return new ArrayIterator($data);
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}
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/**
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* {@inheritdoc}
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*/
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public function fetch($fetchMode = null, $cursorOrientation = PDO::FETCH_ORI_NEXT, $cursorOffset = 0)
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{
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if (! isset($this->data[$this->num])) {
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return false;
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}
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$row = $this->data[$this->num++];
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$fetchMode = $fetchMode ?: $this->defaultFetchMode;
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if ($fetchMode === FetchMode::ASSOCIATIVE) {
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return $row;
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}
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if ($fetchMode === FetchMode::NUMERIC) {
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return array_values($row);
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}
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if ($fetchMode === FetchMode::MIXED) {
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return array_merge($row, array_values($row));
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}
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if ($fetchMode === FetchMode::COLUMN) {
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return reset($row);
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}
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throw new InvalidArgumentException('Invalid fetch-style given for fetching result.');
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}
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/**
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* {@inheritdoc}
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*/
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public function fetchAll($fetchMode = null, $fetchArgument = null, $ctorArgs = null)
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{
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$rows = [];
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while ($row = $this->fetch($fetchMode)) {
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$rows[] = $row;
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}
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return $rows;
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}
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/**
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* {@inheritdoc}
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*/
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public function fetchColumn($columnIndex = 0)
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{
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$row = $this->fetch(FetchMode::NUMERIC);
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// TODO: verify that return false is the correct behavior
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return $row[$columnIndex] ?? false;
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}
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}
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