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PHP: pg_num_rows - Manual
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pg_options" width="11" height="7"/> <pg_num_fields
Last updated: Fri, 05 Sep 2008

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pg_num_rows

(PHP 4 >= 4.2.0, PHP 5)

pg_num_rows行数を返す

説明

int pg_num_rows ( resource $result )

pg_num_rows() は、PostgreSQL の結果リソースの 行数を返します。

注意: この関数は、以前は pg_numrows() と呼ばれていました。

パラメータ

result

pg_query(), pg_query_params() あるいは pg_execute() から返される PostgreSQL の クエリ結果リソース。

返り値

結果の行数を返します。エラー時には -1 を返します。

例1 pg_num_rows() の例

<?php
$result 
pg_query($conn"SELECT 1");

$rows pg_num_rows($result);

echo 
$rows " row(s) returned.\n";
?>

上の例の出力は以下となります。

1 row(s) returned.



add a note add a note User Contributed Notes
pg_num_rows
francisco at natserv dot com
08-Jan-2008 01:26
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.

pg_options" width="11" height="7"/> <pg_num_fields
Last updated: Fri, 05 Sep 2008
 
 
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