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PHP. Руководство по PHP. 2005

pg_fetch_object

Пред.

След.

pg_fetch_object

(PHP 3 >= 3.0.1, PHP 4, PHP 5)pg_fetch_object -- Fetch a row as an object

Описание

object pg_fetch_object (resource result [, int row [, int result_type]])

object pg_fetch_object (resource result [, int row [, string class_name [, array params]]])

pg_fetch_object() returns an object with

properties that correspond to the fetched row's field names. It can optionally

instantiate an object of a specific class, and pass parameters to that

class's constructor.

Замечание: Эта функция устанавливает NULL-поля

в значение NULL PHP.

Speed-wise, the function is identical to

pg_fetch_array(), and almost as fast as

pg_fetch_row() (the difference is

insignificant).

Замечание:

row became optional in PHP 4.1.0.

Замечание:

result_type default changed from PGSQL_BOTH

to PGSQL_ASSOC from PHP 4.3.0, since the numeric index was

illegal.

Замечание:

class_name and params were

added in PHP 5.0. The old form with result_type

still exists for backwards compatibility.

Список параметров

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.

result_type

Ignored and deprecated. Defaults to PGSQL_ASSOC.

class_name

The name of the class to instantiate, set the properties of and return.

If not specified, an stdClass object is returned.

params

An optional array of parameters to pass to the constructor

for class_name objects.

Возвращаемые значения

An object with one attribute for each field

name in the result. 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.

Примеры

Пример 1. pg_fetch_object() example

<?php

$database = "store";

$db_conn = pg_connect("host=localhost port=5432 dbname=$database");

if (!$db_conn){

echo "Failed connecting to postgres database $database\n";

exit;

}

$qu = pg_query($db_conn, "SELECT * FROM books ORDER BY author");

while ($data = pg_fetch_object($qu)){

echo $data->author . " (";

echo $data->year . "): ";

echo $data->title . "<br>";

}

pg_free_result($qu);

pg_close($db_conn);

?>

Смотрите также

pg_query()
pg_fetch_array()
pg_fetch_assoc()
pg_fetch_row()
pg_fetch_result()

Пред.

Начало

След.

pg_fetch_assoc

Уровень выше

pg_fetch_result

Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.

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