從PDO準備語句中獲取原始SQL查詢字符串在對準備好的語句調(diào)用PDOStatement：Execute()時，是否有一種方法使原始SQL字符串得到執(zhí)行？對于調(diào)試目的，這將是非常有用的。
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TA貢獻1866條經(jīng)驗 獲得超5個贊
/**
* Replaces any parameter placeholders in a query with the value of that
* parameter. Useful for debugging. Assumes anonymous parameters from
* $params are are in the same order as specified in $query
*
* @param string $query The sql query with parameter placeholders
* @param array $params The array of substitution parameters
* @return string The interpolated query
*/public static function interpolateQuery($query, $params) {
$keys = array();
# build a regular expression for each parameter
foreach ($params as $key => $value) {
if (is_string($key)) {
$keys[] = '/:'.$key.'/';
} else {
$keys[] = '/[?]/';
}
}
$query = preg_replace($keys, $params, $query, 1, $count);
#trigger_error('replaced '.$count.' keys');
return $query;}添加回答
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