FormModel::isEmpty() - Code Metrics - Inspection of "Allow nested attributes as array" - yiisoft/form - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#186)

unknown

created 2022-04-02 11:34 UTC

FormModel::isEmpty() A

↳ Parent: FormModel

Complexity

Conditions	3
Paths	3

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	1
c	0
b	0
f	0
nc	3
nop	1
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	3
rs	10

<?php

declare(strict_types=1);

namespace Yiisoft\Form;

use Closure;
use InvalidArgumentException;
use ReflectionClass;
use ReflectionNamedType;
use ReflectionUnionType;
use RuntimeException;
use Yiisoft\Strings\Inflector;
use Yiisoft\Strings\StringHelper;
use Yiisoft\Validator\PostValidationHookInterface;
use Yiisoft\Validator\Result;
use Yiisoft\Validator\RulesProviderInterface;

use function array_key_exists;
use function array_keys;
use function explode;
use function is_subclass_of;
use function property_exists;
use function str_contains;
use function strrchr;
use function substr;

/**
 * Form model represents an HTML form: its data, validation and presentation.
 */
abstract class FormModel implements FormModelInterface, PostValidationHookInterface, RulesProviderInterface
{
    private array $attributes;
    private array $nullable = [];
    private ?FormErrorsInterface $formErrors = null;
    private ?Inflector $inflector = null;
    /** @psalm-var array<string, mixed> */
    private array $rawData = [];
    private bool $validated = false;

    public function __construct()
    {
        $this->attributes = $this->collectAttributes();
    }

    public function attributes(): array
    {
        return array_keys($this->attributes);
    }

    public function getAttributeHint(string $attribute, string ...$nested): string
    {
        $attributeHints = $this->getAttributeHints();
        $hint = $attributeHints[$attribute] ?? '';
        $nestedAttributeHint = (string) $this->getNestedAttributeValue('getAttributeHint', $attribute, ...$nested);

        return $nestedAttributeHint !== '' ? $nestedAttributeHint : $hint;
    }

    /**
     * @return string[]
     */
    public function getAttributeHints(): array
    {
        return [];
    }

    public function getAttributeLabel(string $attribute, string ...$nested): string
    {
        $label = $this->generateAttributeLabel($attribute);
        $labels = $this->getAttributeLabels();

        if (array_key_exists($attribute, $labels)) {
            $label = $labels[$attribute];
        }

        $nestedAttributeLabel = (string) $this->getNestedAttributeValue('getAttributeLabel', $attribute, ...$nested);

        return $nestedAttributeLabel !== '' ? $nestedAttributeLabel : $label;
    }

    /**
     * @return string[]
     */
    public function getAttributeLabels(): array
    {
        return [];
    }

    public function getAttributePlaceholder(string $attribute, string ...$nested): string
    {
        $attributePlaceHolders = $this->getAttributePlaceholders();
        $placeholder = $attributePlaceHolders[$attribute] ?? '';
        $nestedAttributePlaceholder = (string) $this->getNestedAttributeValue('getAttributePlaceholder', $attribute, ...$nested);

        return $nestedAttributePlaceholder !== '' ? $nestedAttributePlaceholder : $placeholder;
    }

    /**
     * @return string[]
     */
    public function getAttributePlaceholders(): array
    {
        return [];
    }

    public function getAttributeCastValue(string $attribute, string ...$nested): mixed
    {
        return $this->readProperty($attribute, ...$nested);
    }

    public function getAttributeRawValue(string $attribute, string ...$nested): mixed
    {
        [$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);

        if ($nested !== null) {
            return $this->getNestedAttributeValue('getAttributeRawValue', $attribute, ...$nested);
        }

        return $this->rawData[$attribute] ?? null;
    }

    public function getAttributeValue(string $attribute, string ...$nested): mixed
    {
        return $this->getAttributeRawValue($attribute, ...$nested) ?? $this->getAttributeCastValue($attribute, ...$nested);
    }

    /**
     * @return FormErrorsInterface Get FormErrors object.
     */
    public function getFormErrors(): FormErrorsInterface
    {
        if ($this->formErrors === null) {
            $this->formErrors = new FormErrors();
        }

        return $this->formErrors;

    }

    /**
     * @return string Returns classname without a namespace part or empty string when class is anonymous
     */
    public function getFormName(): string
    {
        if (str_contains(static::class, '@anonymous')) {
            return '';
        }

        $className = strrchr(static::class, '\\');
        if ($className === false) {
            return static::class;
        }

        return substr($className, 1);
    }

    public function hasAttribute(string $attribute, string ...$nested): bool
    {
        [$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);

        return $nested !== null || array_key_exists($attribute, $this->attributes);
    }

    /**
     * @param array $data
     * @param string|null $formName
     *
     * @return bool
     *
     * @psalm-param array<string, string|array> $data
     */
    public function load(array $data, ?string $formName = null): bool
    {
        $this->rawData = $rawData = [];
        $scope = $formName ?? $this->getFormName();

        if ($scope === '' && !empty($data)) {
            $rawData = $data;
        } elseif (isset($data[$scope])) {
            /** @var array<string, string> */
            $rawData = $data[$scope];
        }

        foreach ($rawData as $name => $value) {
            $this->setAttribute($name, $value);
        }

        return $this->rawData !== [];
    }

    protected static function isEmpty(mixed $value): bool
    {
        return $value === null || $value === '' || $value === [];
    }

    protected function typeCast(string $attribute, mixed $value): mixed
    {
        if (isset($this->attributes[$attribute])) {
            if (static::isEmpty($value) && in_array($attribute, $this->nullable, true)) {
                return null;
            }

            return match ($this->attributes[$attribute]) {
                'bool' => (bool) $value,
                'float' => (float) $value,
                'int' => (int) $value,
                'string' => (string) $value,
                default => $value,
            };
        }

        return $value;
    }

    public function setAttribute(string $name, mixed $value): void
    {
        [$realName] = $this->getNestedAttribute($name);
        $this->rawData[$realName] = $value;

        if (isset($this->attributes[$realName])) {
            $this->writeProperty($name, $this->typeCast($realName, $value));
        }
    }

    public function processValidationResult(Result $result): void
    {
        foreach ($result->getErrorMessagesIndexedByAttribute() as $attribute => $errors) {
            if ($this->hasAttribute($attribute)) {
                $this->addErrors([$attribute => $errors]);
            }
        }

        $this->validated = true;
    }

    public function getRules(): array
    {
        return [];
    }

    public function setFormErrors(FormErrorsInterface $formErrors): void
    {
        $this->formErrors = $formErrors;
    }

    /**
     * Returns the list of attribute types indexed by attribute names.
     *
     * By default, this method returns all non-static properties of the class.
     *
     * @return array list of attribute types indexed by attribute names.
     */
    protected function collectAttributes(): array
    {
        $class = new ReflectionClass($this);
        $attributes = [];

        foreach ($class->getProperties() as $property) {
            if ($property->isStatic()) {
                continue;
            }

            /** @var ReflectionNamedType|ReflectionUnionType|null $type */
            $type = $property->getType();
            $name = $property->getName();

            if ($type instanceof ReflectionUnionType) {
                $attributes[$name] = '';
            } else {
                $attributes[$name] = $type !== null ? $type->getName() : '';
            }

            if ($type && $type->allowsNull()) {
                $this->nullable[] = $name;
            }
        }

        return $attributes;
    }

    /**
     * @psalm-param  non-empty-array<string, non-empty-list<string>> $items
     */
    private function addErrors(array $items): void
    {
        foreach ($items as $attribute => $errors) {
            foreach ($errors as $error) {
                $this->getFormErrors()->addError($attribute, $error);
            }
        }
    }

    private function getInflector(): Inflector
    {
        if ($this->inflector === null) {
            $this->inflector = new Inflector();
        }
        return $this->inflector;

    }

    /**
     * Generates a user-friendly attribute label based on the give attribute name.
     *
     * This is done by replacing underscores, dashes and dots with blanks and changing the first letter of each word to
     * upper case.
     *
     * For example, 'department_name' or 'DepartmentName' will generate 'Department Name'.
     *
     * @param string $name the column name.
     *
     * @return string the attribute label.
     */
    private function generateAttributeLabel(string $name): string
    {
        return StringHelper::uppercaseFirstCharacterInEachWord(
            $this->getInflector()->toWords($name)
        );
    }

    private function readProperty(string $attribute, string ...$nested): mixed
    {
        $class = static::class;

        [$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);

        if (!property_exists($class, $attribute)) {
            throw new InvalidArgumentException("Undefined property: \"$class::$attribute\".");
        }

        /** @psalm-suppress MixedMethodCall */
        $getter = static function (FormModelInterface $class, string $attribute, ?array $nested): mixed {
            return match ($nested) {
                null => $class->$attribute,
                default => $class->$attribute->getAttributeCastValue(...$nested),
            };
        };

        $getter = Closure::bind($getter, null, $this);

        /** @var Closure $getter */
        return $getter($this, $attribute, $nested);
    }

    private function writeProperty(string $attribute, mixed $value): void
    {
        [$attribute, $nested] = $this->getNestedAttribute($attribute);

        /**
         * @psalm-suppress MixedMethodCall
         */
        $setter = static function (FormModelInterface $class, string $attribute, mixed $value, ?array $nested): void {
            if (is_a($class->$attribute, __CLASS__)) {
                if ($nested) {

                    /** @var array<array-key,string> $nested */
                    $class->$attribute->setAttribute(implode('.', $nested), $value);
                } elseif (is_array($value)) {
                    $class->$attribute->load($value, '');
                } else {
                    throw new RuntimeException('$value must be array for using as nested attribute');
                }
            } else {
                $class->$attribute = $value;
            }
        };

        $closure = Closure::bind($setter, null, $this);
        /** @var Closure $closure */
        $closure($this, $attribute, $value, $nested);
    }

    /**
     * @return string[]
     *
     * @psalm-return array{0: string, 1: null|string[]}
     */
    private function getNestedAttribute(string $attribute, string ...$nested): array
    {
        if (!$nested) {

            if (!str_contains($attribute, '.')) {
                return [$attribute, null];
            }

            $nested = explode('.', $attribute);
            $attribute = array_shift($nested);
        }

        /** @var string */
        $attributeNested = $this->attributes[$attribute] ?? '';

        if (!is_subclass_of($attributeNested, self::class)) {
            throw new InvalidArgumentException("Attribute \"$attribute\" is not a nested attribute.");
        }

        if (!property_exists($attributeNested, $nested[0])) {
            throw new InvalidArgumentException("Undefined property: \"$attributeNested::$nested[0]\".");
        }

        return [$attribute, $nested];
    }

    private function getNestedAttributeValue(string $method, string $attribute, string ...$nested): mixed
    {
        $result = '';

        [$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);

        if ($nested !== null) {
            /** @var FormModelInterface $attributeNestedValue */
            $attributeNestedValue = $this->getAttributeCastValue($attribute);
            /** @var string */
            $result = $attributeNestedValue->$method(...$nested);
        }

        return $result;
    }

    public function isValidated(): bool
    {
        return $this->validated;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Form;
6
7		use Closure;
8		use InvalidArgumentException;
9		use ReflectionClass;
10		use ReflectionNamedType;
11		use ReflectionUnionType;
12		use RuntimeException;
13		use Yiisoft\Strings\Inflector;
14		use Yiisoft\Strings\StringHelper;
15		use Yiisoft\Validator\PostValidationHookInterface;
16		use Yiisoft\Validator\Result;
17		use Yiisoft\Validator\RulesProviderInterface;
18
19		use function array_key_exists;
20		use function array_keys;
21		use function explode;
22		use function is_subclass_of;
23		use function property_exists;
24		use function str_contains;
25		use function strrchr;
26		use function substr;
27
28		/**
29		* Form model represents an HTML form: its data, validation and presentation.
30		*/
31		abstract class FormModel implements FormModelInterface, PostValidationHookInterface, RulesProviderInterface
32		{
33		private array $attributes;
34		private array $nullable = [];
35		private ?FormErrorsInterface $formErrors = null;
36		private ?Inflector $inflector = null;
37		/** @psalm-var array<string, mixed> */
38		private array $rawData = [];
39		private bool $validated = false;
40
41	792	public function __construct()
42		{
43	792	$this->attributes = $this->collectAttributes();
44		}
45
46	1	public function attributes(): array
47		{
48	1	return array_keys($this->attributes);
49		}
50
51	362	public function getAttributeHint(string $attribute, string ...$nested): string
52		{
53	362	$attributeHints = $this->getAttributeHints();
54	362	$hint = $attributeHints[$attribute] ?? '';
55	362	$nestedAttributeHint = (string) $this->getNestedAttributeValue('getAttributeHint', $attribute, ...$nested);
56
57	362	return $nestedAttributeHint !== '' ? $nestedAttributeHint : $hint;
58		}
59
60		/**
61		* @return string[]
62		*/
63	346	public function getAttributeHints(): array
64		{
65	346	return [];
66		}
67
68	381	public function getAttributeLabel(string $attribute, string ...$nested): string
69		{
70	381	$label = $this->generateAttributeLabel($attribute);
71	381	$labels = $this->getAttributeLabels();
72
73	381	if (array_key_exists($attribute, $labels)) {
74	2	$label = $labels[$attribute];
75		}
76
77	381	$nestedAttributeLabel = (string) $this->getNestedAttributeValue('getAttributeLabel', $attribute, ...$nested);
78
79	381	return $nestedAttributeLabel !== '' ? $nestedAttributeLabel : $label;
80		}
81
82		/**
83		* @return string[]
84		*/
85	379	public function getAttributeLabels(): array
86		{
87	379	return [];
88		}
89
90	373	public function getAttributePlaceholder(string $attribute, string ...$nested): string
91		{
92	373	$attributePlaceHolders = $this->getAttributePlaceholders();
93	373	$placeholder = $attributePlaceHolders[$attribute] ?? '';
94	373	$nestedAttributePlaceholder = (string) $this->getNestedAttributeValue('getAttributePlaceholder', $attribute, ...$nested);
95
96	373	return $nestedAttributePlaceholder !== '' ? $nestedAttributePlaceholder : $placeholder;
97		}
98
99		/**
100		* @return string[]
101		*/
102	371	public function getAttributePlaceholders(): array
103		{
104	371	return [];
105		}
106
107	677	public function getAttributeCastValue(string $attribute, string ...$nested): mixed
108		{
109	677	return $this->readProperty($attribute, ...$nested);
110		}
111
112	705	public function getAttributeRawValue(string $attribute, string ...$nested): mixed
113		{
114	705	[$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);
115
116	704	if ($nested !== null) {
117	3	return $this->getNestedAttributeValue('getAttributeRawValue', $attribute, ...$nested);
118		}
119
120	704	return $this->rawData[$attribute] ?? null;
121		}
122
123	705	public function getAttributeValue(string $attribute, string ...$nested): mixed
124		{
125	705	return $this->getAttributeRawValue($attribute, ...$nested) ?? $this->getAttributeCastValue($attribute, ...$nested);
126		}
127
128		/**
129		* @return FormErrorsInterface Get FormErrors object.
130		*/
131	382	public function getFormErrors(): FormErrorsInterface
132		{
133	382	if ($this->formErrors === null) {
134	381	$this->formErrors = new FormErrors();
135		}
136
137	382	return $this->formErrors;
		0 ignored issues – show Bug Best Practice introduced 2022-02-11 20:01 UTC by Report Bug Copy Issue Report The expression `return $this->formErrors` could return the type `null` which is incompatible with the type-hinted return `Yiisoft\Form\FormErrorsInterface`. Consider adding an additional type-check to rule them out. Loading history...
138		}
139
140		/**
141		* @return string Returns classname without a namespace part or empty string when class is anonymous
142		*/
143	747	public function getFormName(): string
144		{
145	747	if (str_contains(static::class, '@anonymous')) {
146	7	return '';
147		}
148
149	741	$className = strrchr(static::class, '\\');
150	741	if ($className === false) {
151	1	return static::class;
152		}
153
154	740	return substr($className, 1);
155		}
156
157	728	public function hasAttribute(string $attribute, string ...$nested): bool
158		{
159	728	[$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);
160
161	727	return $nested !== null \|\| array_key_exists($attribute, $this->attributes);
162		}
163
164		/**
165		* @param array $data
166		* @param string\|null $formName
167		*
168		* @return bool
169		*
170		* @psalm-param array<string, string\|array> $data
171		*/
172	35	public function load(array $data, ?string $formName = null): bool
173		{
174	35	$this->rawData = $rawData = [];
175	35	$scope = $formName ?? $this->getFormName();
176
177	35	if ($scope === '' && !empty($data)) {
178	5	$rawData = $data;
179	32	} elseif (isset($data[$scope])) {
180		/** @var array<string, string> */
181	31	$rawData = $data[$scope];
182		}
183
184	35	foreach ($rawData as $name => $value) {
185	35	$this->setAttribute($name, $value);
186		}
187
188	35	return $this->rawData !== [];
189		}
190
191	85	protected static function isEmpty(mixed $value): bool
192		{
193	85	return $value === null \|\| $value === '' \|\| $value === [];
194		}
195
196	85	protected function typeCast(string $attribute, mixed $value): mixed
197		{
198	85	if (isset($this->attributes[$attribute])) {
199	85	if (static::isEmpty($value) && in_array($attribute, $this->nullable, true)) {
200	23	return null;
201		}
202
203	85	return match ($this->attributes[$attribute]) {
204	8	'bool' => (bool) $value,
205	1	'float' => (float) $value,
206	20	'int' => (int) $value,
207	73	'string' => (string) $value,
208	85	default => $value,
209		};
210		}
211
212		return $value;
213		}
214
215	86	public function setAttribute(string $name, mixed $value): void
216		{
217	86	[$realName] = $this->getNestedAttribute($name);
218	86	$this->rawData[$realName] = $value;
219
220	86	if (isset($this->attributes[$realName])) {
221	85	$this->writeProperty($name, $this->typeCast($realName, $value));
222		}
223		}
224
225	35	public function processValidationResult(Result $result): void
226		{
227	35	foreach ($result->getErrorMessagesIndexedByAttribute() as $attribute => $errors) {
228	33	if ($this->hasAttribute($attribute)) {
229	33	$this->addErrors([$attribute => $errors]);
230		}
231		}
232
233	35	$this->validated = true;
234		}
235
236	539	public function getRules(): array
237		{
238	539	return [];
239		}
240
241	1	public function setFormErrors(FormErrorsInterface $formErrors): void
242		{
243	1	$this->formErrors = $formErrors;
244		}
245
246		/**
247		* Returns the list of attribute types indexed by attribute names.
248		*
249		* By default, this method returns all non-static properties of the class.
250		*
251		* @return array list of attribute types indexed by attribute names.
252		*/
253	792	protected function collectAttributes(): array
254		{
255	792	$class = new ReflectionClass($this);
256	792	$attributes = [];
257
258	792	foreach ($class->getProperties() as $property) {
259	787	if ($property->isStatic()) {
260	37	continue;
261		}
262
263		/** @var ReflectionNamedType\|ReflectionUnionType\|null $type */
264	787	$type = $property->getType();
265	787	$name = $property->getName();
266
267	787	if ($type instanceof ReflectionUnionType) {
268		$attributes[$name] = '';
269		} else {
270	787	$attributes[$name] = $type !== null ? $type->getName() : '';
271		}
272
273	787	if ($type && $type->allowsNull()) {
274	756	$this->nullable[] = $name;
275		}
276		}
277
278	792	return $attributes;
279		}
280
281		/**
282		* @psalm-param non-empty-array<string, non-empty-list<string>> $items
283		*/
284	33	private function addErrors(array $items): void
285		{
286	33	foreach ($items as $attribute => $errors) {
287	33	foreach ($errors as $error) {
288	33	$this->getFormErrors()->addError($attribute, $error);
289		}
290		}
291		}
292
293	381	private function getInflector(): Inflector
294		{
295	381	if ($this->inflector === null) {
296	381	$this->inflector = new Inflector();
297		}
298	381	return $this->inflector;
		0 ignored issues – show Bug Best Practice introduced 2020-10-01 12:42 UTC by Report Bug Copy Issue Report The expression `return $this->inflector` could return the type `null` which is incompatible with the type-hinted return `Yiisoft\Strings\Inflector`. Consider adding an additional type-check to rule them out. Loading history...
299		}
300
301		/**
302		* Generates a user-friendly attribute label based on the give attribute name.
303		*
304		* This is done by replacing underscores, dashes and dots with blanks and changing the first letter of each word to
305		* upper case.
306		*
307		* For example, 'department_name' or 'DepartmentName' will generate 'Department Name'.
308		*
309		* @param string $name the column name.
310		*
311		* @return string the attribute label.
312		*/
313	381	private function generateAttributeLabel(string $name): string
314		{
315	381	return StringHelper::uppercaseFirstCharacterInEachWord(
316	381	$this->getInflector()->toWords($name)
317		);
318		}
319
320	677	private function readProperty(string $attribute, string ...$nested): mixed
321		{
322	677	$class = static::class;
323
324	677	[$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);
325
326	677	if (!property_exists($class, $attribute)) {
327	1	throw new InvalidArgumentException("Undefined property: \"$class::$attribute\".");
328		}
329
330		/** @psalm-suppress MixedMethodCall */
331	676	$getter = static function (FormModelInterface $class, string $attribute, ?array $nested): mixed {
332	676	return match ($nested) {
333	676	null => $class->$attribute,
334	676	default => $class->$attribute->getAttributeCastValue(...$nested),
335		};
336		};
337
338	676	$getter = Closure::bind($getter, null, $this);
339
340		/** @var Closure $getter */
341	676	return $getter($this, $attribute, $nested);
342		}
343
344	85	private function writeProperty(string $attribute, mixed $value): void
345		{
346	85	[$attribute, $nested] = $this->getNestedAttribute($attribute);
347
348		/**
349		* @psalm-suppress MixedMethodCall
350		*/
351	85	$setter = static function (FormModelInterface $class, string $attribute, mixed $value, ?array $nested): void {
352	85	if (is_a($class->$attribute, __CLASS__)) {
353	4	if ($nested) {
		0 ignored issues – show Bug Best Practice introduced 2022-04-02 11:36 UTC by Report Bug Copy Issue Report The expression `$nested` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
354		/** @var array<array-key,string> $nested */
355	3	$class->$attribute->setAttribute(implode('.', $nested), $value);
356	2	} elseif (is_array($value)) {
357	2	$class->$attribute->load($value, '');
358		} else {
359	4	throw new RuntimeException('$value must be array for using as nested attribute');
360		}
361		} else {
362	85	$class->$attribute = $value;
363		}
364		};
365
366	85	$closure = Closure::bind($setter, null, $this);
367		/** @var Closure $closure */
368	85	$closure($this, $attribute, $value, $nested);
369		}
370
371		/**
372		* @return string[]
373		*
374		* @psalm-return array{0: string, 1: null\|string[]}
375		*/
376	745	private function getNestedAttribute(string $attribute, string ...$nested): array
377		{
378	745	if (!$nested) {
		0 ignored issues – show Bug Best Practice introduced 2022-03-20 14:13 UTC by Report Bug Copy Issue Report The expression `$nested` of type `array<integer,string>` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
379	745	if (!str_contains($attribute, '.')) {
380	743	return [$attribute, null];
381		}
382
383	10	$nested = explode('.', $attribute);
384	10	$attribute = array_shift($nested);
385		}
386
387		/** @var string */
388	10	$attributeNested = $this->attributes[$attribute] ?? '';
389
390	10	if (!is_subclass_of($attributeNested, self::class)) {
391	1	throw new InvalidArgumentException("Attribute \"$attribute\" is not a nested attribute.");
392		}
393
394	9	if (!property_exists($attributeNested, $nested[0])) {
395	1	throw new InvalidArgumentException("Undefined property: \"$attributeNested::$nested[0]\".");
396		}
397
398	8	return [$attribute, $nested];
399		}
400
401	423	private function getNestedAttributeValue(string $method, string $attribute, string ...$nested): mixed
402		{
403	423	$result = '';
404
405	423	[$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);
406
407	423	if ($nested !== null) {
408		/** @var FormModelInterface $attributeNestedValue */
409	6	$attributeNestedValue = $this->getAttributeCastValue($attribute);
410		/** @var string */
411	6	$result = $attributeNestedValue->$method(...$nested);
412		}
413
414	423	return $result;
415		}
416
417	6	public function isValidated(): bool
418		{
419	6	return $this->validated;
420		}
421		}
422

yiisoft / form

Pull Request — master (#186)

FormModel::isEmpty() A

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