php 한글 메뉴얼 도움말 검색 사이트 Returns the number of rows in a result [function.pg-num-rows]

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().

result: PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).

The number of rows in the result. On error, -1 is returned.

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.