Get the SQL of the statement

# SQLite3Stmt::getSQL

(PHP 7 >= 7.4.0)

SQLite3Stmt::getSQL — Get the SQL of the statement

### 説明

public SQLite3Stmt::getSQL ([ bool `$expanded` = `FALSE` ] ) : string

Retrieves the SQL of the prepared statement. If `expanded` is `FALSE`, the unmodified SQL is retrieved. If `expanded` is `TRUE`, all query parameters are replaced with their bound values, or with an SQL NULL, if not already bound.

### パラメータ

`expanded`

  Whether to retrieve the expanded SQL. Passing `TRUE` is only supported as of libsqlite 3.14.

### 返り値

Returns the SQL of the prepared statement, 失敗した場合に `FALSE` を返します.

### エラー / 例外

If `expanded` is `TRUE`, but the libsqlite version is less than 3.14, an error of level `E_WARNING` or an Exception is issued, according to SQLite3::enableExceptions().

### 例

例1 Inspecting the expanded SQL

`<?php
$db = new SQLite3(':memory:');
$stmt = $db->prepare("SELECT :a, ?, :c");
$stmt->bindValue(':a', 'foo');
$answer = 42;
$stmt->bindParam(2, $answer);
var_dump($stmt->getSQL(true));
?>`

上の例の出力は、 たとえば以下のようになります。

    string(24) "SELECT 'foo', '42', NULL"