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Abstract Class Yiisoft\Db\Schema\Data\AbstractLazyArray

All Classes | Properties | Methods
InheritanceYiisoft\Db\Schema\Data\AbstractLazyArray
ImplementsArrayAccess, Countable, IteratorAggregate, JsonSerializable, Yiisoft\Db\Schema\Data\LazyArrayInterface
Uses TraitsYiisoft\Db\Schema\Data\LazyArrayTrait
SubclassesYiisoft\Db\Schema\Data\LazyArray

Represents an 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 The array value that can be represented as: - a string that can be parsed into an array; - an array that is already parsed and typecasted. Yiisoft\Db\Schema\Data\AbstractLazyArray

Public Methods

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Method Description Defined By
__construct() Yiisoft\Db\Schema\Data\AbstractLazyArray
count() Yiisoft\Db\Schema\Data\LazyArrayTrait
getIterator() 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. Yiisoft\Db\Schema\Data\LazyArrayTrait
getValue() Returns parsed and typecasted value. Yiisoft\Db\Schema\Data\LazyArrayTrait
jsonSerialize() Yiisoft\Db\Schema\Data\LazyArrayTrait
offsetExists() Yiisoft\Db\Schema\Data\LazyArrayTrait
offsetGet() Yiisoft\Db\Schema\Data\LazyArrayTrait
offsetSet() Yiisoft\Db\Schema\Data\LazyArrayTrait
offsetUnset() Yiisoft\Db\Schema\Data\LazyArrayTrait

Protected Methods

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Method Description Defined By
parse() Parses the string retrieved value from the database into an array. Yiisoft\Db\Schema\Data\AbstractLazyArray
phpTypecast() Typecasts the array values to PHP types according to the column information. Yiisoft\Db\Schema\Data\AbstractLazyArray
prepareValue() Prepares the value to be used as an array or throws an exception if it's impossible. Yiisoft\Db\Schema\Data\AbstractLazyArray

Property Details

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$value protected property

The array value that can be represented as:

  • a string that can be parsed into an array;
  • an array that is already parsed and typecasted.
protected array|string $value = null

Method Details

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__construct() public method

public __construct( string $value, Yiisoft\Db\Schema\Column\ColumnInterface|null $column = null, integer $dimension = 1 ): mixed
$value string

The string retrieved value from the database that can be parsed into an array.
$column Yiisoft\Db\Schema\Column\ColumnInterface|null

The column information. This is used to typecast values.
$dimension integer

The number of indices needed to select an element.

 

                public function __construct(
    string $value,
    private readonly ?ColumnInterface $column = null,
    private readonly int $dimension = 1,
) {
    $this->value = $value;
}
count() public method

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

public count( ): integer

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

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

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

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

public jsonSerialize( ): array

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

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

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

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

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

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

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

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

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]);
}
parse() protected abstract method

Parses the string retrieved value from the database into an array.

protected abstract parse( string $value ): array|null
$value string

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

The parsed array or null if the string value cannot be parsed.

 

                abstract protected function parse(string $value): ?array;
phpTypecast() protected method

Typecasts the array values to PHP types according to the column information.

protected phpTypecast( array $value ): array
$value array

The array to typecast.
return array

The typecasted array.

 

                protected function phpTypecast(array $value): array
{
    if ($this->column === null || $this->column->getType() === ColumnType::STRING) {
        return $value;
    }
    if ($this->dimension === 1 && $this->column->getType() !== ColumnType::JSON) {
        return array_map($this->column->phpTypecast(...), $value);
    }
    array_walk_recursive($value, function (?string &$val): void {
        /** @psalm-suppress PossiblyNullReference */
        $val = $this->column->phpTypecast($val);
    });
    return $value;
}
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 = $this->parse($this->value);
        if ($value === null) {
            throw new InvalidArgumentException('Array value must be a valid string representation.');
        }
        $this->value = $this->phpTypecast($value);
    }
}