SQLite3Stmt::getSQL

(PHP 7 >= 7.4.0, PHP 8)

SQLite3Stmt::getSQLGet the SQL of the statement

Descrizione

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.

Elenco dei parametri

expand

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

Valori restituiti

Returns the SQL of the prepared statement, o false in caso di fallimento.

Errori/Eccezioni

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().

Esempi

Example #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));
?>

Il precedente esempio visualizzerĂ  qualcosa simile a:

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