pg_fetch_row
(PHP 4, PHP 5)
pg_fetch_row — Get a row as an enumerated array
說明
pg_fetch_row() fetches one row of data from the result associated with the specified result resource.
Note: 本函式對 PHP NULL 值設定 NULL 字段。
參數
- result
-
PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).
- row
-
Row number in result to fetch. Rows are numbered from 0 upwards. If omitted, next row is fetched.
Return值
An array, indexed from 0 upwards, with each value represented as a string. Database NULL values are returned as NULL.
FALSE is returned if row exceeds the number of rows in the set, there are no more rows, or on any other error.
更新日誌
| 版本 | 說明 |
|---|---|
| 4.1.0 | The parameter row became optional. |
範例
Example#1 pg_fetch_row() example
<?php
$conn = pg_pconnect("dbname=publisher");
if (!$conn) {
echo "An error occured.\n";
exit;
}
$result = pg_query($conn, "SELECT author, email FROM authors");
if (!$result) {
echo "An error occured.\n";
exit;
}
while ($row = pg_fetch_row($result)) {
echo "Author: $row[0] E-mail: $row[1]";
echo "<br />\n";
}
?>