Statement::realClose()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 5
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 5
rs 9.4285
c 0
b 0
f 0
cc 1
eloc 2
nc 1
nop 1
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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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