sqlite_num_rows
SQLiteResult::numRows
(PHP 5 < 5.4.0, PECL sqlite >= 1.0.0)
sqlite_num_rows -- SQLiteResult::numRows — Returns the number of rows in a buffered result set
說明
int sqlite_num_rows
( resource
$result
)物件導向風格 (method):
int SQLiteResult::numRows
( void
)
Returns the number of rows in the buffered result
set.
參數
-
result -
The SQLite result resource. This parameter is not required when using the object-oriented method.
Note:
本函式不能用於未緩衝的結果句柄(result handle)。
回傳值
Returns the number of rows, as an integer.
範例
Example #1 Procedural example
<?php
$db = sqlite_open('mysqlitedb');
$result = sqlite_query($db, "SELECT * FROM mytable WHERE name='John Doe'");
$rows = sqlite_num_rows($result);
echo "Number of rows: $rows";
?>
Example #2 Object-oriented example
<?php
$db = new SQLiteDatabase('mysqlitedb');
$result = $db->query("SELECT * FROM mytable WHERE name='John Doe'");
$rows = $result->numRows();
echo "Number of rows: $rows";
?>
參見
- sqlite_changes() - Returns the number of rows that were changed by the most recent SQL statement
- sqlite_query() - Executes a query against a given database and returns a result handle
- sqlite_num_fields() - Returns the number of fields in a result set
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