Completed
Push — develop ( 1f2dbe...562875 )
by Freddie
03:44
created

SchemaAttribute::constraints()   A

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 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 1
nc 1
nop 0
dl 0
loc 3
ccs 2
cts 2
cp 1
crap 1
rs 10
c 1
b 0
f 0
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<?php declare(strict_types=1);
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/*
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 * This file is part of FlexPHP.
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 *
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 * (c) Freddie Gar <[email protected]>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace FlexPHP\Schema;
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use FlexPHP\Schema\Constants\Keyword;
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use FlexPHP\Schema\Constants\Rule;
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use FlexPHP\Schema\Validations\SchemaAttributeValidation;
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final class SchemaAttribute implements SchemaAttributeInterface
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{
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    /**
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     * @var string
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     */
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    private $name;
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    /**
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     * @var string
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     */
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    private $dataType;
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    /**
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     * @var array<string, mixed>
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     */
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    private $constraints = [];
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    /**
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     * @param mixed $constraints
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     */
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    public function __construct(string $name, string $dataType, $constraints = null)
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    {
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        $this->setName($name);
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        $this->setDataType($dataType);
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        $this->setConstraints($constraints);
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        $this->validate();
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    }
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    public function name(): string
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    {
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        return $this->name;
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    }
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    public function dataType(): string
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    {
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        return $this->dataType;
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    }
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    public function constraints(): array
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    {
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        return $this->constraints;
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    }
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    public function type(): ?string
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    {
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        return $this->constraints[Rule::TYPE] ?? null;
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    }
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    public function isRequired(): bool
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    {
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        return (bool)($this->constraints[Rule::REQUIRED] ?? false);
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    }
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    public function minLength(): ?int
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    {
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        return $this->constraints[Rule::MINLENGTH] ?? null;
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    }
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    public function maxLength(): ?int
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    {
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        return $this->constraints[Rule::MAXLENGTH] ?? null;
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    }
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    public function minCheck(): ?int
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    {
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        return $this->constraints[Rule::MINCHECK] ?? null;
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    }
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    public function maxCheck(): ?int
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    {
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        return $this->constraints[Rule::MAXCHECK] ?? null;
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    }
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    public function min(): ?int
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    {
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        return $this->constraints[Rule::MIN] ?? null;
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    }
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    public function max(): ?int
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    {
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        return $this->constraints[Rule::MAX] ?? null;
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    }
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    public function equalTo(): ?string
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    {
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        return $this->constraints[Rule::EQUALTO] ?? null;
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    }
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    public function isPk(): bool
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    {
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        return (bool)($this->constraints[Rule::PK] ?? false);
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    }
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    public function isAi(): bool
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    {
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        return (bool)($this->constraints[Rule::AI] ?? false);
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    }
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    public function isFk(): bool
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    {
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        return (bool)($this->constraints[Rule::FK] ?? false);
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    }
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    public function fkTable(): ?string
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    {
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        return $this->constraints[Rule::FK]['table'] ?? null;
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    }
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    public function fkId(): ?string
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    {
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        return $this->constraints[Rule::FK]['id'] ?? null;
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    }
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    public function fkName(): ?string
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    {
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        return $this->constraints[Rule::FK]['name'] ?? null;
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    }
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    public function properties(): array
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    {
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        return [
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            Keyword::NAME => $this->name(),
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            Keyword::DATATYPE => $this->dataType(),
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            Keyword::CONSTRAINTS => $this->constraints(),
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        ];
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    }
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    private function validate(): void
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    {
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        (new SchemaAttributeValidation($this->properties()))->validate();
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    }
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    private function setName(string $name): void
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    {
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        $this->name = $name;
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    }
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    private function setDataType(string $dataType): void
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    {
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        $this->dataType = $dataType;
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    }
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    /**
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     * @param mixed $constraints
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     */
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    private function setConstraints($constraints): void
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    {
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        if (!empty($constraints)) {
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            if (\is_string($constraints)) {
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                $this->setConstraintsFromString($constraints);
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            } else {
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                $this->setConstraintsFromArray($constraints);
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            }
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        }
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    }
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    private function setConstraintsFromString(string $constraints): void
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    {
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        $this->setConstraintsFromArray($this->getConstraintsFromString($constraints));
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    }
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    private function setConstraintsFromArray(array $constraints): void
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    {
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        $this->constraints = $this->getConstraintsCast($constraints);
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    }
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    private function getConstraintsFromString(string $constraints): array
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    {
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        $_constraints = \explode('|', $constraints);
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        /** @var mixed $_constraint */
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        foreach ($_constraints as $index => $_constraint) {
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            $_rule = \explode(':', $_constraint);
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            if (\count($_rule) === 2) {
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                [$_name, $_options] = $_rule;
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                if (Rule::FK !== $_name && \strpos($_options, ',') !== false) { // Range
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                    [$min, $max] = \explode(',', $_options);
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                    $_options = \compact('min', 'max');
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                } elseif (\preg_match('/^false$/i', $_options)) { // False as string
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                    $_options = false;
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                } elseif (\preg_match('/^true$/i', $_options)) { // True as string
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                    $_options = true;
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                }
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                $_constraints[$_name] = $_options;
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            } else {
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                $_constraints[$_rule[0]] = true;
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            }
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            unset($_constraints[$index]);
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        }
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        return $_constraints;
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    }
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    private function getConstraintsCast(array $constraints): array
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    {
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        foreach ($constraints as $name => $value) {
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            if (\is_int($name)) {
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                $constraints[$value] = true;
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                unset($constraints[$name]);
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            } elseif ($name === Rule::CHECK || $name === Rule::LENGTH) {
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                $constraints['min' . $name] = (int)$value['min'];
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                $constraints['max' . $name] = (int)$value['max'];
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                unset($constraints[$name]);
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            } elseif ($name === Rule::FK && \is_string($value)) {
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                $constraints[$name] = $this->getFkOptions($value);
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            } else {
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                $constraints[$name] = \is_numeric($value) ? (int)$value : $value;
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            }
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        }
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        return $constraints;
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    }
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    private function getFkOptions(string $constraint): array
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    {
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        $_vars = \explode(',', $constraint);
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        $fkName = 'name';
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        $fkId = 'id';
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        switch (\count($_vars)) {
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            case 3:
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                [$fkTable, $fkName, $fkId] = $_vars;
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                break;
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            case 2:
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                [$fkTable, $fkName] = $_vars;
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                break;
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            default:
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                [$fkTable] = $_vars;
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                break;
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        }
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        return [
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            'table' => $fkTable,
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            'name' => $fkName,
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            'id' => $fkId,
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        ];
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    }
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}
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