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<?php |
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namespace Darya\Storage; |
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use ArrayIterator; |
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use IteratorAggregate; |
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/** |
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* Darya's abstract storage query result. |
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* |
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* @property array $data Result data |
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* @property object $query Query that produced this result |
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* @property int $count Result count |
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* @property object $error Result error |
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* @property array $fields Field names for each result data row |
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* @property int $insertId Insert ID |
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* @property int $affected Rows affected |
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* |
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* @author Chris Andrew <[email protected]> |
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*/ |
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abstract class AbstractResult implements IteratorAggregate { |
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/** |
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* The query that produced this result. |
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* |
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* @var mixed |
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*/ |
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protected $query; |
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/** |
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* An associative array of the result data. |
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* |
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* @var array |
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*/ |
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protected $data; |
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/** |
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* The error that occurred when executing the query, if any. |
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* |
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* @var mixed|null |
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*/ |
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protected $error; |
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/** |
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* The number of rows in the result data. |
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* |
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* @var int |
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*/ |
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protected $count = 0; |
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/** |
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* The set of fields available for each row in the result. |
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* |
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* @var array |
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*/ |
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protected $fields = array(); |
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/** |
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* The number of rows affected by the query. |
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* |
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* @var string |
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*/ |
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protected $affected = 0; |
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/** |
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* Auto incremented primary key of an inserted row. |
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* |
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* @var int |
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*/ |
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protected $insertId = 0; |
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/** |
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* Convert a string from snake_case to camelCase. |
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* |
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* @param string $string |
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* @return string |
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*/ |
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protected static function snakeToCamel($string) { |
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return preg_replace_callback('/_(.)/', function($matches) { |
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return strtoupper($matches[1]); |
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}, $string); |
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} |
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/** |
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* Get the result info. |
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* |
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* Retrieves the affected, count, insertId and fields properties |
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* as a key-value array, with snake-case equivalent keys. |
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* |
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* @return array |
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*/ |
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public function getInfo() { |
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return array( |
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'count' => $this->count, |
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'fields' => $this->fields, |
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'affected' => $this->affected, |
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'insert_id' => $this->insertId |
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); |
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} |
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/** |
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* Set the result info. |
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* |
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* Accepts the keys 'affected', 'count', 'insert_id' and 'fields'. |
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* |
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* @param array $info |
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*/ |
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protected function setInfo(array $info) { |
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$keys = array_keys($this->getInfo()); |
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foreach ($keys as $key) { |
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$property = static::snakeToCamel($key); |
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if (isset($info[$key])) { |
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$this->$property = $info[$key]; |
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} |
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} |
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} |
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/** |
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* Retrieve an external iterator. |
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* |
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* @return \Traversable |
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*/ |
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public function getIterator() { |
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return new ArrayIterator($this->data); |
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} |
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/** |
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* Dynamically retrieve the given property. |
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* |
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* @param string $property |
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* @return mixed |
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*/ |
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public function __get($property) { |
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return $this->$property; |
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} |
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/** |
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* Dynamically determine whether the given property exists. |
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* |
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* @param string $property |
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* @return bool |
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*/ |
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public function __isset($property) { |
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return isset($this->$property); |
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} |
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} |
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darya /
framework
