SQLite3Stmt::getSQL
(PHP 7 >= 7.4.0)
SQLite3Stmt::getSQL — Get the SQL of the statement
Opis
$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.
Parametry
-
expanded -
Whether to retrieve the expanded SQL. Passing
TRUEis only supported as of libsqlite 3.14.
Zwracane wartości
Returns the SQL of the prepared statement, lub FALSE w przypadku niepowodzenia.
Błędy/Wyjątki
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().
Przykłady
Przykład #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));
?>
Powyższy przykład wyświetli coś podobnego do:
string(24) "SELECT 'foo', '42', NULL"
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