SQLite3Stmt::getSQL

(PHP 7 >= 7.4.0, PHP 8)

SQLite3Stmt::getSQLGet the SQL of the statement

Опис

public SQLite3Stmt::getSQL(bool $expand = false): string|false

Retrieves the SQL of the prepared statement. If expand is false, the unmodified SQL is retrieved. If expand is true, all query parameters are replaced with their bound values, or with an SQL NULL, if not already bound.

Параметри

expand

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

Значення, що повертаються

Returns the SQL of the prepared statement, або false в разі помилки.

Помилки/виключення

If expand 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().

Приклади

Приклад #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));
?>

Поданий вище приклад виведе щось схоже на:

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