pg_num_fields
About preceding note, you shouldn't use pg_num_rows() for this.
You should have instead a look at pg_affected_rows().
pg_num_rows
(PHP 4 >= 4.2.0, PHP 5)
pg_num_rows — Returns the number of rows in a result
설명
int pg_num_rows
( resource $result
)
pg_num_rows() will return the number of rows in a PostgreSQL result resource.
Note: This function used to be called pg_numrows().
매개변수
- result
-
PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).
반환값
The number of rows in the result. On error, -1 is returned.
예제
Example#1 pg_num_rows() example
<?php
$result = pg_query($conn, "SELECT 1");
$rows = pg_num_rows($result);
echo $rows . " row(s) returned.\n";
?>
위 예제의 출력:
1 row(s) returned.
add a note
User Contributed Notespg_num_rows
ElDiablo
06-Oct-2008 07:09
06-Oct-2008 07:09
francisco at natserv dot com
07-Jan-2008 08:26
07-Jan-2008 08:26
Not sure why this documentation doesn't have the following note:
Note: Use pg_affected_rows() to get number of rows affected by INSERT, UPDATE and DELETE query.
Found on other resources. Adding here in case someone else is looking for the info.