maxdb_fetch_array
maxdb_result::fetch_array
(PECL maxdb >= 1.0)
maxdb_fetch_array -- maxdb_result::fetch_array — Fetch a result row as an associative, a numeric array, or both
Описание
Процедурный стиль
Объектно-ориентированный стиль
Returns an array that corresponds to the fetched row or NULL if there are no more rows for the
resultset represented by the result parameter.
maxdb_fetch_array() is an extended version of the maxdb_fetch_row() function. In addition to storing the data in the numeric indices of the result array, the maxdb_fetch_array() function can also store the data in associative indices, using the field names of the result set as keys.
Замечание: Имена полей, возвращаемые этой функцией являются регистро-зависимыми.
Замечание: Эта функция устанавливает NULL-поля в значение
NULLPHP.
If two or more columns of the result have the same field names, the last column will take precedence and overwrite the earlier data. In order to access multiple columns with the same name, the numerically indexed version of the row must be used.
The optional second argument resulttype is a constant indicating what
type of array should be produced from the current row data. The possible values for this parameter
are the constants MAXDB_ASSOC, MAXDB_ASSOC_UPPER, MAXDB_ASSOC_LOWER, MAXDB_NUM, or MAXDB_BOTH.
By default the
maxdb_fetch_array() function will assume MAXDB_BOTH, which is a combination of
MAXDB_NUM and MAXDB_ASSOC for this parameter.
By using the MAXDB_ASSOC constant this function will behave identically to the maxdb_fetch_assoc(), while MAXDB_NUM will behave identically to the maxdb_fetch_row() function. The final option MAXDB_BOTH will create a single array with the attributes of both.
By using the MAXDB_ASSOC_UPPER constant, the behaviour of this function is identical to the use of MAXDB_ASSOC except the array index of a column is the fieldname in upper case.
By using the MAXDB_ASSOC_LOWER constant, the behaviour of this function is identical to the use of MAXDB_ASSOC except the array index of a column is the fieldname in lower case.
Возвращаемые значения
Returns an array that corresponds to the fetched row or NULL if there are no more rows in resultset.
Примеры
Пример #1 Объектно-ориентированный стиль
<?php
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
$query = "SELECT name, state FROM hotel.city ORDER by zip";
$result = $maxdb->query($query);
/* numeric array */
$row = $result->fetch_array(MAXDB_NUM);
printf ("%s (%s)\n", $row[0], $row[1]);
/* associative array */
$row = $result->fetch_array(MAXDB_ASSOC);
printf ("%s (%s)\n", $row["NAME"], $row["STATE"]);
/* associative and numeric array */
$row = $result->fetch_array(MAXDB_BOTH);
printf ("%s (%s)\n", $row[0], $row["STATE"]);
/* free result set */
$result->close();
/* close connection */
$maxdb->close();
?>
Пример #2 Процедурный стиль
<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
$query = "SELECT name, state FROM hotel.city ORDER by zip";
$result = maxdb_query($link, $query);
/* numeric array */
$row = maxdb_fetch_array($result, MAXDB_NUM);
printf ("%s (%s)\n", $row[0], $row[1]);
/* associative array */
$row = maxdb_fetch_array($result, MAXDB_ASSOC);
printf ("%s (%s)\n", $row["NAME"], $row["STATE"]);
/* associative and numeric array */
$row = maxdb_fetch_array($result, MAXDB_BOTH);
printf ("%s (%s)\n", $row[0], $row["STATE"]);
/* free result set */
maxdb_free_result($result);
/* close connection */
maxdb_close($link);
?>
Результатом выполнения данного примера будет что-то подобное:
New York (NY) New York (NY) Long Island (NY)
Смотрите также
- maxdb_fetch_assoc() - Fetch a result row as an associative array
- maxdb_fetch_row() - Get a result row as an enumerated array
- maxdb_fetch_resource()
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