// 执行 SQL 查询
$query = 'SELECT * FROM authors';
$result = pg_query($query) or die('Query failed: ' . pg_last_error());

// 用 HTML 显示结果
echo "<table>n";
while ($line = pg_fetch_array($result, null, PGSQL_ASSOC)) {
    echo "t<tr>n";
    foreach ($line as $col_value) {
        echo "tt<td>$col_value</td>n";
    }
    echo "t</tr>n";
}
echo "</table>n";

// 释放结果集
pg_free_result($result);

// 关闭连接
pg_close($dbconn);
?>

目录

pg_affected_rows — 返回受影响的记录数目pg_cancel_query — 取消异步查询pg_client_encoding — 取得客户端编码方式pg_close — 关闭一个 PostgreSQL 连接pg_connect — 打开一个 PostgreSQL 连接pg_connection_busy — 获知连接是否为忙pg_connection_reset — 重置连接（再次连接）pg_connection_status — 获得连接状态pg_convert — 将关联的数组值转换为适合 SQL 语句的格式。pg_copy_from — 根据数组将记录插入表中pg_copy_to — 将一个表拷贝到数组中pg_dbname — 获得数据库名pg_delete — 删除记录pg_end_copy — 与 PostgreSQL 后端同步pg_escape_bytea — 转义 bytea 类型的二进制数据pg_escape_string — 转义 text/char 类型的字符串pg_execute — Sends a request to execute a prepared statement with given parameters, and waits for the result.pg_fetch_all_columns — Fetches all rows in a particular result column as an arraypg_fetch_all — 从结果中提取所有行作为一个数组pg_fetch_array — 提取一行作为数组pg_fetch_assoc — 提取一行作为关联数组pg_fetch_object — 提取一行作为对象pg_fetch_result — 从结果资源中返回值pg_fetch_row — 提取一行作为枚举数组pg_field_is_null — 测试字段是否为 NULLpg_field_name — 返回字段的名字pg_field_num — 返回字段的编号pg_field_prtlen — 返回打印出来的长度pg_field_size — 返回指定字段占用内部存储空间的大小pg_field_table — Returns the name or oid of the tables fieldpg_field_type_oid — Returns the type ID (OID) for the corresponding field numberpg_field_type — 返回相应字段的类型名称pg_free_result — 释放查询结果占用的内存pg_get_notify — Ping 数据库连接pg_get_pid — Ping 数据库连接pg_get_result — 取得异步查询结果pg_host — 返回和某连接关联的主机名pg_insert — 将数组插入到表中pg_last_error — 得到某连接的最后一条错误信息pg_last_notice — 返回 PostgreSQL 服务器最新一条公告信息pg_last_oid — 返回上一个对象的 oidpg_lo_close — 关闭一个大型对象pg_lo_create — 新建一个大型对象pg_lo_export — 将大型对象导出到文件pg_lo_import — 将文件导入为大型对象pg_lo_open — 打开一个大型对象pg_lo_read_all — 读入整个大型对象并直接发送给浏览器pg_lo_read — 从大型对象中读入数据pg_lo_seek — 移动大型对象中的指针pg_lo_tell — 返回大型对象的当前指针位置pg_lo_unlink — 删除一个大型对象pg_lo_write — 向大型对象写入数据pg_meta_data — 获得表的元数据pg_num_fields — 返回字段的数目pg_num_rows — 返回行的数目pg_options — 获得和连接有关的选项pg_parameter_status — Looks up a current parameter setting of the server.pg_pconnect — 打开一个持久的 PostgreSQL 连接pg_ping — Ping 数据库连接pg_port — 返回该连接的端口号pg_prepare — Submits a request to create a prepared statement with the given parameters, and waits for completion.pg_put_line — 向 PostgreSQL 后端发送以 NULL 结尾的字符串pg_query_params — Submits a command to the server and waits for the result, with the ability to pass parameters separately from the SQL command text.pg_query — 执行查询pg_result_error_field — Returns an individual field of an error report.pg_result_error — 获得查询结果的错误信息pg_result_seek — 在结果资源中设定内部行偏移量pg_result_status — 获得查询结果的状态pg_select — 选择记录pg_send_execute — Sends a request to execute a prepared statement with given parameters, without waiting for the result(s).pg_send_prepare — Sends a request to create a prepared statement with the given parameters, without waiting for completion.pg_send_query_params — Submits a command and separate parameters to the server without waiting for the result(s).pg_send_query — 发送异步查询pg_set_client_encoding — 设定客户端编码pg_set_error_verbosity — Determines the verbosity of messages returned by pg_last_error() and pg_result_error().pg_trace — 启动一个 PostgreSQL 连接的追踪功能pg_transaction_status — Returns the current in-transaction status of the server.pg_tty — 返回该连接的 tty 号pg_unescape_bytea — 取消 bytea 类型中的字符串转义pg_untrace — 关闭 PostgreSQL 连接的追踪功能pg_update — 更新表pg_version — Returns an array with client, protocol and server version (when available)