feat: add typed FormRequest accessors

deptrac.yaml

@@ -78,6 +78,10 @@ deptrac:
         - type: classNameRegex
           # includes the Filter
           value: '/^CodeIgniter\\.*Honeypot.*$/'
+    - name: Input
+      collectors:
+        - type: classNameRegex
+          value: '/^CodeIgniter\\Input\\.*$/'
     - name: HTTP
       collectors:
         - type: bool
@@ -248,6 +252,8 @@ deptrac:
       - I18n
     Validation:
       - HTTP
+      - I18n
+      - Input
       - Database
     View:
       - Cache
@@ -267,6 +273,8 @@ deptrac:
       - CodeIgniter\Entity\Entity
     CodeIgniter\Entity\Cast\URICast:
       - CodeIgniter\HTTP\URI
+    CodeIgniter\HTTP\FormRequest:
+      - CodeIgniter\Validation\ValidatedInput
     CodeIgniter\Log\Handlers\ChromeLoggerHandler:
       - CodeIgniter\HTTP\ResponseInterface
     CodeIgniter\Security\CheckPhpIni:

system/Config/BaseService.php

@@ -46,6 +46,7 @@
 use CodeIgniter\HTTP\SiteURIFactory;
 use CodeIgniter\HTTP\URI;
 use CodeIgniter\Images\Handlers\BaseHandler;
+use CodeIgniter\Input\InputData;
 use CodeIgniter\Language\Language;
 use CodeIgniter\Lock\LockManager;
 use CodeIgniter\Log\Logger;
@@ -58,6 +59,7 @@
 use CodeIgniter\Superglobals;
 use CodeIgniter\Throttle\Throttler;
 use CodeIgniter\Typography\Typography;
+use CodeIgniter\Validation\ValidatedInput;
 use CodeIgniter\Validation\ValidationInterface;
 use CodeIgniter\View\Cell;
 use CodeIgniter\View\Parser;
@@ -120,6 +122,7 @@
  * @method static Honeypot                   honeypot(ConfigHoneyPot $config = null, $getShared = true)
  * @method static BaseHandler                image($handler = null, Images $config = null, $getShared = true)
  * @method static IncomingRequest            incomingrequest(?App $config = null, bool $getShared = true)
+ * @method static InputData                  inputdata(array<string, mixed> $data = [], bool $getShared = false)
  * @method static Iterator                   iterator($getShared = true)
  * @method static Language                   language($locale = null, $getShared = true)
  * @method static LockManager                locks(?CacheInterface $cache = null, bool $getShared = true)
@@ -144,6 +147,7 @@
  * @method static Toolbar                    toolbar(ConfigToolbar $config = null, $getShared = true)
  * @method static Typography                 typography($getShared = true)
  * @method static URI                        uri($uri = null, $getShared = true)
+ * @method static ValidatedInput             validatedinput(array<string, mixed> $data = [], bool $getShared = false)
  * @method static ValidationInterface        validation(ConfigValidation $config = null, $getShared = true)
  * @method static Cell                       viewcell($getShared = true)
  */

system/Config/Services.php

@@ -46,6 +46,7 @@
 use CodeIgniter\HTTP\URI;
 use CodeIgniter\HTTP\UserAgent;
 use CodeIgniter\Images\Handlers\BaseHandler;
+use CodeIgniter\Input\InputData;
 use CodeIgniter\Language\Language;
 use CodeIgniter\Lock\LockManager;
 use CodeIgniter\Log\Logger;
@@ -62,6 +63,7 @@
 use CodeIgniter\Superglobals;
 use CodeIgniter\Throttle\Throttler;
 use CodeIgniter\Typography\Typography;
+use CodeIgniter\Validation\ValidatedInput;
 use CodeIgniter\Validation\Validation;
 use CodeIgniter\Validation\ValidationInterface;
 use CodeIgniter\View\Cell;
@@ -387,6 +389,20 @@ public static function image(?string $handler = null, ?Images $config = null, bo
         return new $class($config);
     }
 
+    /**
+     * Returns a typed input data object.
+     *
+     * @param array<string, mixed> $data
+     */
+    public static function inputdata(array $data = [], bool $getShared = false): InputData
+    {
+        if ($getShared) {
+            return static::getSharedInstance('inputdata', $data);
+        }
+
+        return new InputData($data);
+    }
+
     /**
      * The Iterator class provides a simple way of looping over a function
      * and timing the results and memory usage. Used when debugging and
@@ -873,6 +889,20 @@ public static function validation(?ValidationConfig $config = null, bool $getSha
         return new Validation($config, AppServices::get('renderer'));
     }
 
+    /**
+     * Returns a typed validated input object.
+     *
+     * @param array<string, mixed> $data
+     */
+    public static function validatedinput(array $data = [], bool $getShared = false): ValidatedInput
+    {
+        if ($getShared) {
+            return static::getSharedInstance('validatedinput', $data);
+        }
+
+        return new ValidatedInput($data);
+    }
+
     /**
      * View cells are intended to let you insert HTML into view
      * that has been generated by any callable in the system.

system/HTTP/FormRequest.php

@@ -14,6 +14,7 @@
 namespace CodeIgniter\HTTP;
 
 use CodeIgniter\Exceptions\RuntimeException;
+use CodeIgniter\Validation\ValidatedInput;
 use ReflectionNamedType;
 use ReflectionParameter;
 
@@ -182,6 +183,14 @@ public function validated(): array
         return $this->validatedData;
     }
 
+    /**
+     * Returns the validated data as a typed input object.
+     */
+    public function validatedInput(): ValidatedInput
+    {
+        return service('validatedinput', $this->validatedData, false);
+    }
+
     /**
      * Returns a single validated field value by name, or the default value
      * if the field is not present in the validated data.

system/Input/InputData.php

@@ -0,0 +1,173 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * 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\Input;
+
+/**
+ * @see \CodeIgniter\Input\InputDataTest
+ */
+class InputData
+{
+    /**
+     * @param array<string, mixed> $data
+     */
+    public function __construct(private readonly array $data)
+    {
+    }
+
+    /**
+     * Returns a single input value by name, or the default value if the field
+     * is not present.
+     *
+     * Supports dot-array syntax for nested input data.
+     */
+    public function get(string $key, mixed $default = null): mixed
+    {
+        helper('array');
+
+        if (! dot_array_has($key, $this->data)) {
+            return $default;
+        }
+
+        return dot_array_search($key, $this->data);
+    }
+
+    /**
+     * Returns true when the named field exists, even if its value is null.
+     *
+     * Supports dot-array syntax for nested input data.
+     */
+    public function has(string $key): bool
+    {
+        helper('array');
+
+        return dot_array_has($key, $this->data);
+    }
+
+    /**
+     * Returns an input field as a string.
+     *
+     * Supports dot-array syntax for nested input data.
+     */
+    public function string(string $key, ?string $default = null): ?string
+    {
+        $value = $this->get($key, $default);
+
+        if ($value === null || is_string($value)) {
+            return $value;
+        }
+
+        return $this->invalidValue($key, 'string', $default);
+    }
+
+    /**
+     * Returns an input field as an integer.
+     *
+     * Supports dot-array syntax for nested input data.
+     */
+    public function integer(string $key, ?int $default = null): ?int
+    {
+        $value = $this->get($key, $default);
+
+        if ($value === null || is_int($value)) {
+            return $value;
+        }
+
+        if (is_string($value)) {
+            $integer = filter_var($value, FILTER_VALIDATE_INT, FILTER_NULL_ON_FAILURE);
+
+            if ($integer !== null) {
+                return $integer;
+            }
+        }
+
+        return $this->invalidValue($key, 'integer', $default);
+    }
+
+    /**
+     * Returns an input field as a float.
+     *
+     * Supports dot-array syntax for nested input data.
+     */
+    public function float(string $key, ?float $default = null): ?float
+    {
+        $value = $this->get($key, $default);
+
+        if ($value === null || is_float($value)) {
+            return $value;
+        }
+
+        if (is_int($value)) {
+            return (float) $value;
+        }
+
+        if (is_string($value)) {
+            $float = filter_var($value, FILTER_VALIDATE_FLOAT, FILTER_NULL_ON_FAILURE);
+
+            if ($float !== null) {
+                return $float;
+            }
+        }
+
+        return $this->invalidValue($key, 'float', $default);
+    }
+
+    /**
+     * Returns an input field as a boolean.
+     *
+     * Supports dot-array syntax for nested input data.
+     */
+    public function boolean(string $key, ?bool $default = null): ?bool
+    {
+        $value = $this->get($key, $default);
+
+        if ($value === null || is_bool($value)) {
+            return $value;
+        }
+
+        if (is_int($value) || is_string($value)) {
+            $boolean = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
+
+            if ($boolean !== null) {
+                return $boolean;
+            }
+        }
+
+        return $this->invalidValue($key, 'boolean', $default);
+    }
+
+    /**
+     * Returns an input field as an array.
+     *
+     * Supports dot-array syntax for nested input data.
+     *
+     * @param array<array-key, mixed>|null $default
+     *
+     * @return array<array-key, mixed>|null
+     */
+    public function array(string $key, ?array $default = null): ?array
+    {
+        $value = $this->get($key, $default);
+
+        if ($value === null || is_array($value)) {
+            return $value;
+        }
+
+        return $this->invalidValue($key, 'array', $default);
+    }
+
+    protected function invalidValue(string $key, string $type, mixed $default): mixed
+    {
+        return $default;
+    }
+}