百科狗SQLite3Stmt::getSQL() - sqlite3数据库类
SQLite3Stmt::getSQL()
(PHP 7 >= 7.4.0)
Get the SQL of the statement
说明
publicSQLite3Stmt::getSQL([bool $expanded=FALSE]): string Retrieves the SQL of the prepared statement. If$expandedis FALSE, the unmodified SQL is retrieved. If$expandedis TRUE, all query parameters are replaced with their bound values, or with an SQLNULL, if not already bound.
参数
$expanded Whether to retrieve the expanded SQL. Passing TRUE is only supported as of libsqlite 3.14.
返回值
Returns the SQL of the prepared statement,或者在失败时返回FALSE.
错误／异常
If$expandedis 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().
范例
Inspecting the expanded SQL
以上例程的输出类似于：
string(24) "SELECT 'foo', '42', NULL"
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