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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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namespace Spiral\Database\Injections; |
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/** |
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* Default implementation of ParameterInterface, provides ability to mock value or array of values |
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* and automatically create valid query placeholder at moment of query compilation (? vs (?, ?, ?)). |
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* |
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* @todo implement custom sqlStatement value? |
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*/ |
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class Parameter implements ParameterInterface |
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{ |
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/** |
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* Use in constructor to automatically detect parameter type. |
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*/ |
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const DETECT_TYPE = 900888; |
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/** |
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* Mocked value or array of values. |
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* |
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* @var mixed|array |
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*/ |
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private $value = null; |
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/** |
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* Parameter type. |
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* |
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* @var int|null |
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*/ |
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private $type = null; |
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/** |
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* @param mixed $value |
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* @param int $type |
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*/ |
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public function __construct($value, int $type = self::DETECT_TYPE) |
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{ |
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$this->value = $value; |
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$this->resolveType($value, $type); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getValue() |
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{ |
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return $this->value; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setValue($value) |
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{ |
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$this->value = $value; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function withValue($value, int $type = self::DETECT_TYPE): Parameter |
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{ |
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$parameter = clone $this; |
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$parameter->value = $value; |
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$parameter->resolveType($value, $type); |
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return $parameter; |
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} |
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/** |
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* Parameter type. |
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* |
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* @return int |
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*/ |
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public function getType(): int |
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{ |
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return $this->type; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isArray(): bool |
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{ |
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return is_array($this->value); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function flatten(): array |
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{ |
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if (!is_array($this->value)) { |
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return [clone $this]; |
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} |
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$result = []; |
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foreach ($this->value as $value) { |
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if (!$value instanceof ParameterInterface) { |
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//Self copy |
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$value = $this->withValue($value, self::DETECT_TYPE); |
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} |
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$result = array_merge($result, $value->flatten()); |
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} |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function sqlStatement(): string |
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{ |
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if (is_array($this->value)) { |
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//Array were mocked |
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return '(' . trim(str_repeat('?, ', count($this->value)), ', ') . ')'; |
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} |
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return '?'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __toString(): string |
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{ |
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return $this->sqlStatement(); |
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} |
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/** |
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* @return array |
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*/ |
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public function __debugInfo() |
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{ |
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return [ |
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'statement' => $this->sqlStatement(), |
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'value' => $this->value, |
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]; |
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} |
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/** |
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* @param mixed $value |
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* @param int $type |
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*/ |
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protected function resolveType($value, int $type) |
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{ |
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if ($type == self::DETECT_TYPE) { |
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if (!is_array($value)) { |
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$this->type = $this->detectType($value); |
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} else { |
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$this->type = \PDO::PARAM_STMT; |
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} |
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} else { |
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$this->type = $type; |
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} |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return int |
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*/ |
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protected function detectType($value): int |
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{ |
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switch (gettype($value)) { |
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case 'boolean': |
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return \PDO::PARAM_BOOL; |
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case 'integer': |
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return \PDO::PARAM_INT; |
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case 'NULL': |
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return \PDO::PARAM_NULL; |
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default: |
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return \PDO::PARAM_STR; |
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} |
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} |
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} |
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spiral /
components
