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<?php |
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/** |
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* Phossa Project |
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* |
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* PHP version 5.4 |
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* |
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* @category Library |
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* @package Phossa2\Db |
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* @copyright Copyright (c) 2016 phossa.com |
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* @license http://mit-license.org/ MIT License |
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* @link http://www.phossa.com/ |
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*/ |
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/*# declare(strict_types=1); */ |
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namespace Phossa2\Db\Driver\Mysqli; |
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use Phossa2\Db\Driver\ResultAbstract; |
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/** |
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* Result |
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* |
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* @package Phossa2\Db |
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* @author Hong Zhang <[email protected]> |
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* @see ResultAbstract |
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* @version 2.0.0 |
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* @since 2.0.0 added |
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*/ |
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class Result extends ResultAbstract |
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{ |
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/** |
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* the column names |
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* |
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* @var array |
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* @access protected |
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*/ |
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protected $cols; |
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/** |
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* the column values |
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* |
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* @var array |
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* @access protected |
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*/ |
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protected $vals; |
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/** |
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* @var \mysqli_stmt |
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* @access protected |
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*/ |
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protected $statement; |
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/** |
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* Invoke to set statement |
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* |
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* @param \mysqli_stmt $statement |
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* @return $this |
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* @access public |
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*/ |
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public function __invoke(\mysqli_stmt $statement) |
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{ |
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$this->statement = $statement; |
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return $this; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function fieldCount()/*# : int */ |
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{ |
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return $this->statement->field_count; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function rowCount()/*# : int */ |
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{ |
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return $this->statement->num_rows; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function affectedRows()/*# : int */ |
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{ |
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return $this->statement->affected_rows; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function close() |
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{ |
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if ($this->statement) { |
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$this->statement->free_result(); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function realFetchAll()/*# : array */ |
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{ |
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return $this->realFetchRow(100000); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function realFetchRow($rowCount)/*# : array */ |
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{ |
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$count = 0; |
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$result = []; |
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while ($count++ < $rowCount) { |
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$row = $this->getOneRow(); |
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if (is_array($row)) { |
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$result[] = $row; |
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} else { |
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break; |
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} |
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} |
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return $result; |
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} |
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/** |
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* Get one row of data |
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* |
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* @return array|false |
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* @access protected |
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*/ |
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protected function getOneRow() |
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{ |
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if ($this->bindResult()) { |
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if ($this->statement->fetch()) { |
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$row = []; |
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foreach($this->cols as $i => $col) { |
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$row[$col] = $this->vals[$i]; |
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} |
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return $row; |
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} |
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} |
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return false; |
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} |
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/** |
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* Bind results |
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* |
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* @return bool |
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* @access protected |
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*/ |
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protected function bindResult()/*# : bool */ |
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{ |
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// get fields first |
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if (!$this->getFields()) { |
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return false; |
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} |
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// bind values |
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if (null === $this->vals) { |
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$this->vals = array_fill(0, count($this->cols), null); |
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$refs = []; |
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foreach ($this->vals as $i => &$f) { |
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$refs[$i] = &$f; |
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} |
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call_user_func_array([$this->statement, 'bind_result'], $refs); |
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} |
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return true; |
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} |
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/** |
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* Get fields first |
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* |
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* @return bool |
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* @access protected |
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*/ |
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protected function getFields()/*# : bool */ |
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{ |
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if (null === $this->cols) { |
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$result = $this->statement->result_metadata(); |
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if (false === $result) return false; |
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$this->cols = []; |
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// set column name |
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foreach ($result->fetch_fields() as $col) { |
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$this->cols[] = $col->name; |
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} |
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} |
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return true; |
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} |
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} |
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phossa2 /
db
