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Final Class Yiisoft\Db\Schema\Data\JsonLazyArray

InheritanceYiisoft\Db\Schema\Data\JsonLazyArray
ImplementsArrayAccess, Countable, IteratorAggregate, JsonSerializable, Yiisoft\Db\Schema\Data\LazyArrayInterface
Uses TraitsYiisoft\Db\Schema\Data\LazyArrayTrait

Represents a JSON array value retrieved from the database.

Initially, the value is a string that parsed into an array when it's accessed as an array or iterated over.

Protected Properties

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Property Type Description Defined By
$value array|string Yiisoft\Db\Schema\Data\JsonLazyArray

Protected Methods

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Method Description Defined By
prepareValue() Prepares the value to be used as an array or throws an exception if it's impossible. Yiisoft\Db\Schema\Data\JsonLazyArray

Property Details

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$value protected property
protected array|string $value null

Method Details

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__construct() public method

public __construct( string $value ): mixed
$value string

The string retrieved value from the database that can be parsed into an array.

                public function __construct(
    string $value,
) {
    $this->value = $value;
}

            
count() public method
public count( ): integer

                public function count(): int
{
    $this->prepareValue();
    return count($this->value);
}

            
getIterator() public method
public getIterator( ): ArrayIterator

                public function getIterator(): ArrayIterator
{
    $this->prepareValue();
    return new ArrayIterator($this->value);
}

            
getRawValue() public method

Defined in: Yiisoft\Db\Schema\Data\LazyArrayTrait::getRawValue()

The raw value that can be represented as: - a string retrieved value from the database that can be parsed into an array; - an array of values if the value is already parsed.

public getRawValue( ): array|string

                public function getRawValue(): array|string
{
    return $this->value;
}

            
getValue() public method

Defined in: Yiisoft\Db\Schema\Data\LazyArrayTrait::getValue()

Returns parsed and typecasted value.

public getValue( ): array

                public function getValue(): array
{
    $this->prepareValue();
    return $this->value;
}

            
jsonSerialize() public method
public jsonSerialize( ): array

                public function jsonSerialize(): array
{
    return $this->getValue();
}

            
offsetExists() public method
public offsetExists( integer|string $offset ): boolean
$offset integer|string

The offset to check.

                public function offsetExists(mixed $offset): bool
{
    $this->prepareValue();
    return isset($this->value[$offset]);
}

            
offsetGet() public method
public offsetGet( integer|string $offset ): mixed
$offset integer|string

The offset to retrieve.

                public function offsetGet(mixed $offset): mixed
{
    $this->prepareValue();
    return $this->value[$offset];
}

            
offsetSet() public method
public offsetSet( integer|string $offset, mixed $value ): void
$offset integer|string

The offset to assign the value to.

$value mixed

                public function offsetSet(mixed $offset, mixed $value): void
{
    $this->prepareValue();
    $this->value[$offset] = $value;
}

            
offsetUnset() public method
public offsetUnset( integer|string $offset ): void
$offset integer|string

The offset to unset.

                public function offsetUnset(mixed $offset): void
{
    $this->prepareValue();
    unset($this->value[$offset]);
}

            
prepareValue() protected method

Prepares the value to be used as an array or throws an exception if it's impossible.

protected prepareValue( ): void

                protected function prepareValue(): void
{
    if (is_string($this->value)) {
        $value = json_decode($this->value, true, 512, JSON_THROW_ON_ERROR);
        if (!is_array($value)) {
            throw new InvalidArgumentException('JSON value must be a valid string array representation.');
        }
        $this->value = $value;
    }
}