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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\Types; |
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use Phossa2\Db\Driver\StatementAbstract; |
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use Phossa2\Db\Interfaces\ResultInterface; |
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/** |
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* Statement |
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* |
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* Mysqli driver statement |
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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 StatementAbstract |
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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 Statement extends StatementAbstract |
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{ |
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/** |
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* Constructor |
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* |
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* @param ResultInterface $resultPrototype |
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* @access public |
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*/ |
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public function __construct(ResultInterface $resultPrototype = null) |
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{ |
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$this->result_prototype = $resultPrototype ?: new Result(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function realPrepare($link, /*# string */ $sql) |
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{ |
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/* @var $link \mysqli */ |
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return $link->prepare($sql); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function realExecute(array $parameters)/*# : bool */ |
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{ |
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/** @var $stmt \mysqli_stmt */ |
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$stmt = $this->prepared; |
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// bind parameters |
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if (!empty($parameters) && |
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!$this->bindParameters($stmt, $parameters) |
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) { |
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// bind failure |
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return false; |
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} |
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$res = $stmt->execute(); |
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if ($stmt->result_metadata()) { |
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$stmt->store_result(); |
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} |
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return $res; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function realClose($stmt) |
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{ |
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/* @var $stmt \mysqli_stmt */ |
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$stmt->close(); |
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} |
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/** |
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* bind parameters |
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* |
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* @param \mysqli_stmt $stmt |
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* @param array $parameters |
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* @return bool |
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* @access protected |
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*/ |
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protected function bindParameters( |
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\mysqli_stmt $stmt, |
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array $parameters |
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)/*# : bool */ { |
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$types = ''; |
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$args = []; |
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foreach ($parameters as $name => &$value) { |
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$this->combineTypes($types, $value); |
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$args[] = &$value; |
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} |
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if (count($args)) { |
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array_unshift($args, $types); |
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return call_user_func_array([$stmt, 'bind_param'], $args); |
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} |
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return true; |
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} |
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/** |
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* Combine types |
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* |
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* @param string &$types |
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* @param mixed $value |
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* @access protected |
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*/ |
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protected function combineTypes(&$types, $value) |
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{ |
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$type = Types::guessType($value); |
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switch ($type) { |
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case Types::PARAM_INT: |
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case Types::PARAM_BOOL: |
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$types .= 'i'; |
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break; |
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default: |
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$types .= 's'; |
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break; |
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} |
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} |
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} |
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phossa2 /
db
