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<?php
namespace DebugBar\DataCollector\PDO;
/**
* Holds information about a statement
*/
class TracedStatement
{
protected $sql;
protected $rowCount;
protected $parameters;
protected $startTime;
protected $endTime;
protected $duration;
protected $startMemory;
protected $endMemory;
protected $memoryDelta;
protected $exception;
protected $preparedId;
/**
* @param string $sql
* @param array $params
* @param null|string $preparedId
*/
public function __construct(string $sql, array $params = [], ?string $preparedId = null)
{
$this->sql = $sql;
$this->parameters = $this->checkParameters($params);
$this->preparedId = $preparedId;
}
/**
* @param null $startTime
* @param null $startMemory
*/
public function start($startTime = null, $startMemory = null) : void
{
$this->startTime = $startTime ?: microtime(true);
$this->startMemory = $startMemory ?: memory_get_usage(false);
}
/**
* @param \Exception|null $exception
* @param int $rowCount
* @param float $endTime
* @param int $endMemory
*/
public function end(\Exception $exception = null, int $rowCount = 0, float $endTime = null, int $endMemory = null) : void
{
$this->endTime = $endTime ?: microtime(true);
$this->duration = $this->endTime - $this->startTime;
$this->endMemory = $endMemory ?: memory_get_usage(false);
$this->memoryDelta = $this->endMemory - $this->startMemory;
$this->exception = $exception;
$this->rowCount = $rowCount;
}
/**
* Check parameters for illegal (non UTF-8) strings, like Binary data.
*
* @param array $params
* @return array
*/
public function checkParameters(array $params) : array
{
foreach ($params as &$param) {
if (!mb_check_encoding($param ?? '', 'UTF-8')) {
$param = '[BINARY DATA]';
}
}
return $params;
}
/**
* Returns the SQL string used for the query, without filled parameters
*
* @return string
*/
public function getSql() : string
{
return $this->sql;
}
/**
* Returns the SQL string with any parameters used embedded
*
* @param string $quotationChar
* @return string
*/
public function getSqlWithParams(string $quotationChar = '<>') : string
{
if (($l = strlen($quotationChar)) > 1) {
$quoteLeft = substr($quotationChar, 0, $l / 2);
$quoteRight = substr($quotationChar, $l / 2);
} else {
$quoteLeft = $quoteRight = $quotationChar;
}
$sql = $this->sql;
$cleanBackRefCharMap = ['%' => '%%', '$' => '$%', '\\' => '\\%'];
foreach ($this->parameters as $k => $v) {
$backRefSafeV = strtr($v, $cleanBackRefCharMap);
$v = "$quoteLeft$backRefSafeV$quoteRight";
if (is_numeric($k)) {
$marker = "\?";
} else {
$marker = (preg_match("/^:/", $k)) ? $k : ":" . $k;
}
$matchRule = "/({$marker}(?!\w))(?=(?:[^$quotationChar]|[$quotationChar][^$quotationChar]*[$quotationChar])*$)/";
$count = mb_substr_count($sql, $k);
if ($count < 1) {
$count = mb_substr_count($sql, $matchRule);
}
for ($i = 0; $i <= $count; $i++) {
$sql = preg_replace($matchRule, $v, $sql, 1);
}
}
$sql = strtr($sql, array_flip($cleanBackRefCharMap));
return $sql;
}
/**
* Returns the number of rows affected/returned
*
* @return int
*/
public function getRowCount() : int
{
return $this->rowCount;
}
/**
* Returns an array of parameters used with the query
*
* @return array
*/
public function getParameters() : array
{
$params = [];
foreach ($this->parameters as $name => $param) {
$params[$name] = htmlentities($param?:"", ENT_QUOTES, 'UTF-8', false);
}
return $params;
}
/**
* Returns the prepared statement id
*
* @return null|string
*/
public function getPreparedId() : ?string
{
return $this->preparedId;
}
/**
* Checks if this is a prepared statement
*
* @return boolean
*/
public function isPrepared() : bool
{
return $this->preparedId !== null;
}
/**
* @return float
*/
public function getStartTime() : float
{
return $this->startTime;
}
/**
* @return float
*/
public function getEndTime() : float
{
return $this->endTime;
}
/**
* Returns the duration in seconds + microseconds of the execution
*
* @return float
*/
public function getDuration() : float
{
return $this->duration;
}
/**
* @return int
*/
public function getStartMemory() : int
{
return $this->startMemory;
}
/**
* @return int
*/
public function getEndMemory() : int
{
return $this->endMemory;
}
/**
* Returns the memory usage during the execution
*
* @return int
*/
public function getMemoryUsage() : int
{
return $this->memoryDelta;
}
/**
* Checks if the statement was successful
*
* @return boolean
*/
public function isSuccess() : bool
{
return $this->exception === null;
}
/**
* Returns the exception triggered
*
* @return \Exception
*/
public function getException() : \Exception
{
return $this->exception;
}
/**
* Returns the exception's code
*
* @return int|string
*/
public function getErrorCode()
{
return $this->exception !== null ? $this->exception->getCode() : 0;
}
/**
* Returns the exception's message
*
* @return string
*/
public function getErrorMessage() : string
{
return $this->exception !== null ? $this->exception->getMessage() : '';
}
}
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