fbsql_num_rows

(PHP 4 >= 4.0.6, PHP 5)

fbsql_num_rows — Get number of rows in result

说明

int fbsql_num_rows ( resource $result )

Gets the number of rows in the given result set.

This function is only valid for SELECT statements. To retrieve the number of rows returned from a INSERT, UPDATE or DELETE query, use fbsql_affected_rows().

参数

result: A result identifier returned by fbsql_query() or fbsql_db_query().

返回值

Returns the number of rows returned by the last SELECT statement.

范例

Example#1 fbsql_num_rows() example


<?php

$link = fbsql_connect("localhost", "username", "password");
fbsql_select_db("database", $link);

$result = fbsql_query("SELECT * FROM table1;", $link);
$num_rows = fbsql_num_rows($result);

echo "$num_rows Rows\n";

?>

参见

fbsql_affected_rows()
fbsql_connect()
fbsql_select_db()
fbsql_query()


	PHP5中文手册 fbsql_num_fields fbsql_password FrontBase PHP Manual fbsql_num_rows (PHP 4 >= 4.0.6, PHP 5) fbsql_num_rows — Get number of rows in result 说明 int fbsql_num_rows ( resource `$result` ) Gets the number of rows in the given `result` set. This function is only valid for SELECT statements. To retrieve the number of rows returned from a INSERT, UPDATE or DELETE query, use fbsql_affected_rows(). 参数 `result` A result identifier returned by fbsql_query() or fbsql_db_query(). 返回值 Returns the number of rows returned by the last SELECT statement. 范例 Example#1 fbsql_num_rows() example `<?php $link = fbsql_connect("localhost", "username", "password"); fbsql_select_db("database", $link); $result = fbsql_query("SELECT * FROM table1;", $link); $num_rows = fbsql_num_rows($result); echo "$num_rows Rows\n"; ?>` 参见 fbsql_affected_rows() fbsql_connect() fbsql_select_db() fbsql_query() fbsql_num_fields fbsql_password FrontBase PHP Manual