Initial

system/Entity/Cast/ArrayCast.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+/**
+ * Class ArrayCast
+ */
+class ArrayCast extends BaseCast
+{
+    /**
+     * {@inheritDoc}
+     */
+    public static function get($value, array $params = []): array
+    {
+        if (is_string($value) && (strpos($value, 'a:') === 0 || strpos($value, 's:') === 0)) {
+            $value = unserialize($value);
+        }
+
+        return (array) $value;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public static function set($value, array $params = []): string
+    {
+        return serialize($value);
+    }
+}

system/Entity/Cast/BaseCast.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+/**
+ * Class BaseCast
+ */
+abstract class BaseCast implements CastInterface
+{
+    /**
+     * Get
+     *
+     * @param mixed $value  Data
+     * @param array $params Additional param
+     *
+     * @return mixed
+     */
+    public static function get($value, array $params = [])
+    {
+        return $value;
+    }
+
+    /**
+     * Set
+     *
+     * @param mixed $value  Data
+     * @param array $params Additional param
+     *
+     * @return mixed
+     */
+    public static function set($value, array $params = [])
+    {
+        return $value;
+    }
+}

system/Entity/Cast/BooleanCast.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+/**
+ * Class BooleanCast
+ */
+class BooleanCast extends BaseCast
+{
+    /**
+     * {@inheritDoc}
+     */
+    public static function get($value, array $params = []): bool
+    {
+        return (bool) $value;
+    }
+}

system/Entity/Cast/CSVCast.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+/**
+ * Class CSVCast
+ */
+class CSVCast extends BaseCast
+{
+    /**
+     * {@inheritDoc}
+     */
+    public static function get($value, array $params = []): array
+    {
+        return explode(',', $value);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public static function set($value, array $params = []): string
+    {
+        return implode(',', $value);
+    }
+}

system/Entity/Cast/CastInterface.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+/**
+ * Interface CastInterface
+ */
+interface CastInterface
+{
+    /**
+     * Get
+     *
+     * @param mixed $value  Data
+     * @param array $params Additional param
+     *
+     * @return mixed
+     */
+    public static function get($value, array $params = []);
+
+    /**
+     * Set
+     *
+     * @param mixed $value  Data
+     * @param array $params Additional param
+     *
+     * @return mixed
+     */
+    public static function set($value, array $params = []);
+}

system/Entity/Cast/DatetimeCast.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+use CodeIgniter\I18n\Time;
+use DateTime;
+use Exception;
+
+/**
+ * Class DatetimeCast
+ */
+class DatetimeCast extends BaseCast
+{
+    /**
+     * {@inheritDoc}
+     *
+     * @throws Exception
+     */
+    public static function get($value, array $params = [])
+    {
+        if ($value instanceof Time) {
+            return $value;
+        }
+
+        if ($value instanceof DateTime) {
+            return Time::createFromInstance($value);
+        }
+
+        if (is_numeric($value)) {
+            return Time::createFromTimestamp($value);
+        }
+
+        if (is_string($value)) {
+            return Time::parse($value);
+        }
+
+        return $value;
+    }
+}

system/Entity/Cast/FloatCast.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+/**
+ * Class FloatCast
+ */
+class FloatCast extends BaseCast
+{
+    /**
+     * {@inheritDoc}
+     */
+    public static function get($value, array $params = []): float
+    {
+        return (float) $value;
+    }
+}

system/Entity/Cast/IntegerCast.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+/**
+ * Class IntegerCast
+ */
+class IntegerCast extends BaseCast
+{
+    /**
+     * {@inheritDoc}
+     */
+    public static function get($value, array $params = []): int
+    {
+        return (int) $value;
+    }
+}

system/Entity/Cast/JsonCast.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+use CodeIgniter\Entity\Exceptions\CastException;
+use JsonException;
+use stdClass;
+
+/**
+ * Class JsonCast
+ */
+class JsonCast extends BaseCast
+{
+    /**
+     * {@inheritDoc}
+     */
+    public static function get($value, array $params = [])
+    {
+        $associative = in_array('array', $params, true);
+
+        $tmp = $value !== null ? ($associative ? [] : new stdClass()) : null;
+
+        if (function_exists('json_decode')
+            && (
+                (is_string($value)
+                    && strlen($value) > 1
+                    && in_array($value[0], ['[', '{', '"'], true))
+                || is_numeric($value)
+            )
+        ) {
+            try {
+                $tmp = json_decode($value, $associative, 512, JSON_THROW_ON_ERROR);
+            } catch (JsonException $e) {
+                throw CastException::forInvalidJsonFormat($e->getCode());
+            }
+        }
+
+        return $tmp;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public static function set($value, array $params = []): string
+    {
+        if (function_exists('json_encode')) {
+            try {
+                $value = json_encode($value, JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR);
+            } catch (JsonException $e) {
+                throw CastException::forInvalidJsonFormat($e->getCode());
+            }
+        }
+
+        return $value;
+    }
+}

system/Entity/Cast/ObjectCast.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+/**
+ * Class ObjectCast
+ */
+class ObjectCast extends BaseCast
+{
+    /**
+     * {@inheritDoc}
+     */
+    public static function get($value, array $params = []): object
+    {
+        return (object) $value;
+    }
+}

system/Entity/Cast/StringCast.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+/**
+ * Class StringCast
+ */
+class StringCast extends BaseCast
+{
+    /**
+     * {@inheritDoc}
+     */
+    public static function get($value, array $params = []): string
+    {
+        return (string) $value;
+    }
+}

system/Entity/Cast/TimestampCast.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+use CodeIgniter\Entity\Exceptions\CastException;
+
+/**
+ * Class TimestampCast
+ */
+class TimestampCast extends BaseCast
+{
+    /**
+     * {@inheritDoc}
+     */
+    public static function get($value, array $params = [])
+    {
+        $value = strtotime($value);
+
+        if ($value === false) {
+            throw CastException::forInvalidTimestamp();
+        }
+
+        return $value;
+    }
+}

system/Entity/Cast/URICast.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Entity\Cast;
+
+use CodeIgniter\HTTP\URI;
+
+/**
+ * Class URICast
+ */
+class URICast extends BaseCast
+{
+    /**
+     * {@inheritDoc}
+     */
+    public static function get($value, array $params = []): URI
+    {
+        return $value instanceof URI ? $value : new URI($value);
+    }
+}