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✏️ Editing: FieldTypeConverter.php

<?php

declare (strict_types=1);
/**
 * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
 * @link          https://cakephp.org CakePHP(tm) Project
 * @since         3.2.0
 * @license       https://opensource.org/licenses/mit-license.php MIT License
 */
namespace WPToolkitDependenciesIsolationPrefix\Cake\Database;

use WPToolkitDependenciesIsolationPrefix\Cake\Database\Type\BatchCastingInterface;
use WPToolkitDependenciesIsolationPrefix\Cake\Database\Type\OptionalConvertInterface;
/**
 * A callable class to be used for processing each of the rows in a statement
 * result, so that the values are converted to the right PHP types.
 */
class FieldTypeConverter
{
    /**
     * An array containing the name of the fields and the Type objects
     * each should use when converting them.
     *
     * @var array<\Cake\Database\TypeInterface>
     */
    protected $_typeMap;
    /**
     * An array containing the name of the fields and the Type objects
     * each should use when converting them using batching.
     *
     * @var array<string, array>
     */
    protected $batchingTypeMap;
    /**
     * An array containing all the types registered in the Type system
     * at the moment this object is created. Used so that the types list
     * is not fetched on each single row of the results.
     *
     * @var array<\Cake\Database\TypeInterface|\Cake\Database\Type\BatchCastingInterface>
     */
    protected $types;
    /**
     * The driver object to be used in the type conversion
     *
     * @var \Cake\Database\DriverInterface
     */
    protected $_driver;
    /**
     * Builds the type map
     *
     * @param \Cake\Database\TypeMap $typeMap Contains the types to use for converting results
     * @param \Cake\Database\DriverInterface $driver The driver to use for the type conversion
     */
    public function __construct(TypeMap $typeMap, DriverInterface $driver)
    {
        $this->_driver = $driver;
        $map = $typeMap->toArray();
        $types = TypeFactory::buildAll();
        $simpleMap = $batchingMap = [];
        $simpleResult = $batchingResult = [];
        foreach ($types as $k => $type) {
            if ($type instanceof OptionalConvertInterface && !$type->requiresToPhpCast()) {
                continue;
            }
            if ($type instanceof BatchCastingInterface) {
                $batchingMap[$k] = $type;
                continue;
            }
            $simpleMap[$k] = $type;
        }
        foreach ($map as $field => $type) {
            if (isset($simpleMap[$type])) {
                $simpleResult[$field] = $simpleMap[$type];
                continue;
            }
            if (isset($batchingMap[$type])) {
                $batchingResult[$type][] = $field;
            }
        }
        // Using batching when there is only a couple for the type is actually slower,
        // so, let's check for that case here.
        foreach ($batchingResult as $type => $fields) {
            if (\count($fields) > 2) {
                continue;
            }
            foreach ($fields as $f) {
                $simpleResult[$f] = $batchingMap[$type];
            }
            unset($batchingResult[$type]);
        }
        $this->types = $types;
        $this->_typeMap = $simpleResult;
        $this->batchingTypeMap = $batchingResult;
    }
    /**
     * Converts each of the fields in the array that are present in the type map
     * using the corresponding Type class.
     *
     * @param array $row The array with the fields to be casted
     * @return array<string, mixed>
     */
    public function __invoke(array $row) : array
    {
        if (!empty($this->_typeMap)) {
            foreach ($this->_typeMap as $field => $type) {
                $row[$field] = $type->toPHP($row[$field], $this->_driver);
            }
        }
        if (!empty($this->batchingTypeMap)) {
            foreach ($this->batchingTypeMap as $t => $fields) {
                /** @psalm-suppress PossiblyUndefinedMethod */
                $row = $this->types[$t]->manyToPHP($row, $fields, $this->_driver);
            }
        }
        return $row;
    }
}

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