Php/docs/function.pg-fetch-row
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pg_fetch_row
(PHP 4, PHP 5, PHP 7)
pg_fetch_row — 提取一行作为枚举数组
说明
pg_fetch_row
( resource $result
[, int $row
] ) : array
pg_fetch_row() 根据指定的 result 资源提取一行数据（记录）作为数组返回。每个得到的列依次存放在数组中，从偏移量 0 开始。
Note: 此函数将 NULL 字段设置为 PHP
null值。
参数
result- PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).
row- Row number in result to fetch. Rows are numbered from 0 upwards. If omitted or
null, the next row is fetched.
返回值
An array, indexed from 0 upwards, with each value
represented as a string. Database NULL
values are returned as null.
返回的数组和提取的行相一致。如果没有更多行 row 可提取，则返回 false。
更新日志
| 版本 | 说明 |
|---|---|
| 4.1.0 | 参数 row 成为可选参数。
|
范例
Example #1 pg_fetch_row() 例子
<?php$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";} ?>
参见
- pg_query() - 执行查询
- pg_fetch_array() - 提取一行作为数组
- pg_fetch_object() - 提取一行作为对象
- pg_fetch_result() - 从结果资源中返回值
