FormModel::getAttributePlaceholders() - 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 2022-03-20 14:10 UTC

FormModel::getAttributePlaceholders() A

↳ Parent: FormModel

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

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

<?php

declare(strict_types=1);

namespace Yiisoft\Form;

use Closure;
use InvalidArgumentException;
use ReflectionClass;
use ReflectionNamedType;
use RuntimeException;
use Stringable;
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 explode;
use function is_subclass_of;
use function property_exists;
use function strpos;

/**
 * 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, string|array> */
    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 [];
    }

    /**
     * @return iterable|object|scalar|Stringable|null
     */
    public function getAttributeCastValue(string $attribute, string ...$nested)
    {
        return $this->readProperty($attribute, ...$nested);
    }

    /**
     * @return iterable|object|scalar|Stringable|null
     */
    public function getAttributeRawValue(string $attribute, string ...$nested)
    {
        [$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);

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

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

    /**
     * @return mixed
     */
    public function getAttributeValue(string $attribute, string ...$nested)
    {
        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 (strpos(static::class, '@anonymous') !== false) {
            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 $nested !== null ? true : array_key_exists($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 !== [];
    }

    /**
     * @param iterable|object|scalar|Stringable|null $value
     *
     * @psalm-suppress PossiblyInvalidCast
     */
    public function setAttribute(string $name, $value): void
    {
        [$realName] = $this->getNestedAttribute($name);
        $this->rawData[$realName] = $value;

        if (isset($this->attributes[$realName])) {
            switch ($this->attributes[$realName]) {
                case 'bool':
                    $this->writeProperty($name, (bool) $value);
                    break;
                case 'float':
                    $this->writeProperty($name, (float) $value);
                    break;
                case 'int':
                    $this->writeProperty($name, (int) $value);
                    break;
                case 'string':
                    $this->writeProperty($name, (string) $value);
                    break;
                default:
                    $this->writeProperty($name, $value);
                    break;
            }
        }
    }

    public function processValidationResult(Result $result): void
    {
        $this->validated = false;

        foreach ($result->getErrorMessagesIndexedByAttribute() as $attribute => $errors) {
            if ($this->hasAttribute($attribute)) {
                $this->getFormErrors()->clear($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|null $type */
            $type = $property->getType();

            $attributes[$property->getName()] = $type !== null ? $type->getName() : '';
        }

        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)
        );
    }

    /**
     * @return iterable|scalar|Stringable|null
     *
     * @psalm-suppress MixedReturnStatement
     * @psalm-suppress MixedInferredReturnType
     * @psalm-suppress MissingClosureReturnType
     */
    private function readProperty(string $attribute, string ...$nested)
    {
        $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 fn (FormModelInterface $class, string $attribute) => $nested === null
            ? $class->$attribute
            : $class->$attribute->getAttributeCastValue(...$nested);

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

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

    /**
     * @param string $attribute
     * @param iterable|object|scalar|Stringable|null $value
     *
     * @psalm-suppress MissingClosureReturnType
     */
    private function writeProperty(string $attribute, $value): void
    {
        [$attribute, $nested] = $this->getNestedAttribute($attribute);

        /**
         * @psalm-suppress MissingClosureParamType
         * @psalm-suppress MixedMethodCall
         */
        $setter = static function (FormModelInterface $class, string $attribute, $value, ?array $nested) {
            if (is_a($class->$attribute, __CLASS__)) {
                if ($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 (strpos($attribute, '.') === false) {
                return [$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];
    }

    /**
     * @return iterable|object|scalar|Stringable|null
     */
    private function getNestedAttributeValue(string $method, string $attribute, string ...$nested)
    {
        $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 RuntimeException;
12		use Stringable;
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 explode;
21		use function is_subclass_of;
22		use function property_exists;
23		use function strpos;
24
25		/**
26		* Form model represents an HTML form: its data, validation and presentation.
27		*/
28		abstract class FormModel implements FormModelInterface, PostValidationHookInterface, RulesProviderInterface
29		{
30		private array $attributes;
31		private array $nullable = [];
32		private ?FormErrorsInterface $formErrors = null;
33		private ?Inflector $inflector = null;
34		/** @psalm-var array<string, string\|array> */
35		private array $rawData = [];
36		private bool $validated = false;
37
38	780	public function __construct()
39		{
40	780	$this->attributes = $this->collectAttributes();
41		}
42
43	1	public function attributes(): array
44		{
45	1	return array_keys($this->attributes);
46		}
47
48	359	public function getAttributeHint(string $attribute, string ...$nested): string
49		{
50	359	$attributeHints = $this->getAttributeHints();
51	359	$hint = $attributeHints[$attribute] ?? '';
52	359	$nestedAttributeHint = (string) $this->getNestedAttributeValue('getAttributeHint', $attribute, ...$nested);
53
54	359	return $nestedAttributeHint !== '' ? $nestedAttributeHint : $hint;
55		}
56
57		/**
58		* @return string[]
59		*/
60	344	public function getAttributeHints(): array
61		{
62	344	return [];
63		}
64
65	379	public function getAttributeLabel(string $attribute, string ...$nested): string
66		{
67	379	$label = $this->generateAttributeLabel($attribute);
68	379	$labels = $this->getAttributeLabels();
69
70	379	if (array_key_exists($attribute, $labels)) {
71	2	$label = $labels[$attribute];
72		}
73
74	379	$nestedAttributeLabel = (string) $this->getNestedAttributeValue('getAttributeLabel', $attribute, ...$nested);
75
76	379	return $nestedAttributeLabel !== '' ? $nestedAttributeLabel : $label;
77		}
78
79		/**
80		* @return string[]
81		*/
82	377	public function getAttributeLabels(): array
83		{
84	377	return [];
85		}
86
87	371	public function getAttributePlaceholder(string $attribute, string ...$nested): string
88		{
89	371	$attributePlaceHolders = $this->getAttributePlaceholders();
90	371	$placeholder = $attributePlaceHolders[$attribute] ?? '';
91	371	$nestedAttributePlaceholder = (string) $this->getNestedAttributeValue('getAttributePlaceholder', $attribute, ...$nested);
92
93	371	return $nestedAttributePlaceholder !== '' ? $nestedAttributePlaceholder : $placeholder;
94		}
95
96		/**
97		* @return string[]
98		*/
99	369	public function getAttributePlaceholders(): array
100		{
101	369	return [];
102		}
103
104		/**
105		* @return iterable\|object\|scalar\|Stringable\|null
106		*/
107	673	public function getAttributeCastValue(string $attribute, string ...$nested)
108		{
109	673	return $this->readProperty($attribute, ...$nested);
110		}
111
112		/**
113		* @return iterable\|object\|scalar\|Stringable\|null
114		*/
115	698	public function getAttributeRawValue(string $attribute, string ...$nested)
116		{
117	698	[$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);
118
119	697	if ($nested !== null) {
120	3	return $this->getNestedAttributeValue('getAttributeRawValue', $attribute, ...$nested);
121		}
122
123	697	return $this->rawData[$attribute] ?? null;
124		}
125
126		/**
127		* @return mixed
128		*/
129	698	public function getAttributeValue(string $attribute, string ...$nested)
130		{
131	698	return $this->getAttributeRawValue($attribute, ...$nested) ?? $this->getAttributeCastValue($attribute, ...$nested);
132		}
133
134		/**
135		* @return FormErrorsInterface Get FormErrors object.
136		*/
137	377	public function getFormErrors(): FormErrorsInterface
138		{
139	377	if ($this->formErrors === null) {
140	376	$this->formErrors = new FormErrors();
141		}
142
143	377	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...
144		}
145
146		/**
147		* @return string Returns classname without a namespace part or empty string when class is anonymous
148		*/
149	740	public function getFormName(): string
150		{
151	740	if (strpos(static::class, '@anonymous') !== false) {
152	6	return '';
153		}
154
155	735	$className = strrchr(static::class, '\\');
156	735	if ($className === false) {
157	1	return static::class;
158		}
159
160	734	return substr($className, 1);
161		}
162
163	720	public function hasAttribute(string $attribute, string ...$nested): bool
164		{
165	720	[$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);
166
167	719	return $nested !== null ? true : array_key_exists($attribute, $this->attributes);
168		}
169
170		/**
171		* @param array $data
172		* @param string\|null $formName
173		*
174		* @return bool
175		*
176		* @psalm-param array<string, string\|array> $data
177		*/
178	32	public function load(array $data, ?string $formName = null): bool
179		{
180	32	$this->rawData = $rawData = [];
181	32	$scope = $formName ?? $this->getFormName();
182
183	32	if ($scope === '' && !empty($data)) {
184	5	$rawData = $data;
185	29	} elseif (isset($data[$scope])) {
186		/** @var array<string, string> */
187	28	$rawData = $data[$scope];
188		}
189
190	32	foreach ($rawData as $name => $value) {
191	32	$this->setAttribute($name, $value);
192		}
193
194	32	return $this->rawData !== [];
195		}
196
197		/**
198		* @param iterable\|object\|scalar\|Stringable\|null $value
199		*
200		* @psalm-suppress PossiblyInvalidCast
201		*/
202	81	public function setAttribute(string $name, $value): void
203		{
204	81	[$realName] = $this->getNestedAttribute($name);
205	81	$this->rawData[$realName] = $value;
206
207	81	if (isset($this->attributes[$realName])) {
208	80	switch ($this->attributes[$realName]) {
209	80	case 'bool':
210	8	$this->writeProperty($name, (bool) $value);
211	8	break;
212	80	case 'float':
213	1	$this->writeProperty($name, (float) $value);
214	1	break;
215	80	case 'int':
216	20	$this->writeProperty($name, (int) $value);
217	20	break;
218	78	case 'string':
219	69	$this->writeProperty($name, (string) $value);
220	69	break;
221		default:
222	15	$this->writeProperty($name, $value);
223	15	break;
224		}
225		}
226		}
227
228	31	public function processValidationResult(Result $result): void
229		{
230	31	$this->validated = false;
231
232	31	foreach ($result->getErrorMessagesIndexedByAttribute() as $attribute => $errors) {
233	29	if ($this->hasAttribute($attribute)) {
234	29	$this->getFormErrors()->clear($attribute);
235	29	$this->addErrors([$attribute => $errors]);
236		}
237		}
238
239	31	$this->validated = true;
240		}
241
242	537	public function getRules(): array
243		{
244	537	return [];
245		}
246
247	1	public function setFormErrors(FormErrorsInterface $formErrors): void
248		{
249	1	$this->formErrors = $formErrors;
250		}
251
252		/**
253		* Returns the list of attribute types indexed by attribute names.
254		*
255		* By default, this method returns all non-static properties of the class.
256		*
257		* @return array list of attribute types indexed by attribute names.
258		*/
259	780	protected function collectAttributes(): array
260		{
261	780	$class = new ReflectionClass($this);
262	780	$attributes = [];
263
264	780	foreach ($class->getProperties() as $property) {
265	775	if ($property->isStatic()) {
266	35	continue;
267		}
268
269		/** @var ReflectionNamedType\|null $type */
270	775	$type = $property->getType();
271
272	775	$attributes[$property->getName()] = $type !== null ? $type->getName() : '';
273		}
274
275	780	return $attributes;
276		}
277
278		/**
279		* @psalm-param non-empty-array<string, non-empty-list<string>> $items
280		*/
281	29	private function addErrors(array $items): void
282		{
283	29	foreach ($items as $attribute => $errors) {
284	29	foreach ($errors as $error) {
285	29	$this->getFormErrors()->addError($attribute, $error);
286		}
287		}
288		}
289
290	379	private function getInflector(): Inflector
291		{
292	379	if ($this->inflector === null) {
293	379	$this->inflector = new Inflector();
294		}
295	379	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...
296		}
297
298		/**
299		* Generates a user friendly attribute label based on the give attribute name.
300		*
301		* This is done by replacing underscores, dashes and dots with blanks and changing the first letter of each word to
302		* upper case.
303		*
304		* For example, 'department_name' or 'DepartmentName' will generate 'Department Name'.
305		*
306		* @param string $name the column name.
307		*
308		* @return string the attribute label.
309		*/
310	379	private function generateAttributeLabel(string $name): string
311		{
312	379	return StringHelper::uppercaseFirstCharacterInEachWord(
313	379	$this->getInflector()->toWords($name)
314		);
315		}
316
317		/**
318		* @return iterable\|scalar\|Stringable\|null
319		*
320		* @psalm-suppress MixedReturnStatement
321		* @psalm-suppress MixedInferredReturnType
322		* @psalm-suppress MissingClosureReturnType
323		*/
324	673	private function readProperty(string $attribute, string ...$nested)
325		{
326	673	$class = static::class;
327
328	673	[$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);
329
330	673	if (!property_exists($class, $attribute)) {
331	1	throw new InvalidArgumentException("Undefined property: \"$class::$attribute\".");
332		}
333
334		/** @psalm-suppress MixedMethodCall */
335	672	$getter = static fn (FormModelInterface $class, string $attribute) => $nested === null
336	672	? $class->$attribute
337	672	: $class->$attribute->getAttributeCastValue(...$nested);
338
339	672	$getter = Closure::bind($getter, null, $this);
340
341		/** @var Closure $getter */
342	672	return $getter($this, $attribute);
343		}
344
345		/**
346		* @param string $attribute
347		* @param iterable\|object\|scalar\|Stringable\|null $value
348		*
349		* @psalm-suppress MissingClosureReturnType
350		*/
351	80	private function writeProperty(string $attribute, $value): void
352		{
353	80	[$attribute, $nested] = $this->getNestedAttribute($attribute);
354
355		/**
356		* @psalm-suppress MissingClosureParamType
357		* @psalm-suppress MixedMethodCall
358		*/
359	80	$setter = static function (FormModelInterface $class, string $attribute, $value, ?array $nested) {
360	80	if (is_a($class->$attribute, __CLASS__)) {
361	4	if ($nested) {
		0 ignored issues – show Bug Best Practice introduced 2022-03-20 14:13 UTC by Report Bug Copy Issue Report The expression `$nested` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($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...
362	3	$class->$attribute->setAttribute(implode('.', $nested), $value);
363	2	} elseif (is_array($value)) {
364	2	$class->$attribute->load($value, '');
365		} else {
366	4	throw new RuntimeException('$value must be array for using as nested attribute');
367		}
368		} else {
369	80	$class->$attribute = $value;
370		}
371		};
372
373	80	$closure = Closure::bind($setter, null, $this);
374
375		/** @var Closure $closure */
376	80	$closure($this, $attribute, $value, $nested);
377		}
378
379		/**
380		* @return string[]
381		*
382		* @psalm-return array{0: string, 1: null\|string[]}
383		*/
384	736	private function getNestedAttribute(string $attribute, string ...$nested): array
385		{
386	736	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($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
387	736	if (strpos($attribute, '.') === false) {
388	734	return [$attribute, null];
389		}
390
391	10	$nested = explode('.', $attribute);
392	10	$attribute = array_shift($nested);
393		}
394
395		/** @var string */
396	10	$attributeNested = $this->attributes[$attribute] ?? '';
397
398	10	if (!is_subclass_of($attributeNested, self::class)) {
399	1	throw new InvalidArgumentException("Attribute \"$attribute\" is not a nested attribute.");
400		}
401
402	9	if (!property_exists($attributeNested, $nested[0])) {
403	1	throw new InvalidArgumentException("Undefined property: \"$attributeNested::$nested[0]\".");
404		}
405
406	8	return [$attribute, $nested];
407		}
408
409		/**
410		* @return iterable\|object\|scalar\|Stringable\|null
411		*/
412	420	private function getNestedAttributeValue(string $method, string $attribute, string ...$nested)
413		{
414	420	$result = '';
415
416	420	[$attribute, $nested] = $this->getNestedAttribute($attribute, ...$nested);
417
418	420	if ($nested !== null) {
419		/** @var FormModelInterface $attributeNestedValue */
420	6	$attributeNestedValue = $this->getAttributeCastValue($attribute);
421		/** @var string */
422	6	$result = $attributeNestedValue->$method(...$nested);
423		}
424
425	420	return $result;
426		}
427
428	5	public function isValidated(): bool
429		{
430	5	return $this->validated;
431		}
432		}
433

yiisoft / form

Pull Request — master (#186)

FormModel::getAttributePlaceholders() A

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