PHP Dokumentation: Mysqli-result fetch-row
12. Januar 2010 von werner
mysqli_result::fetch_row
mysqli_fetch_row
(PHP 5)
mysqli_result::fetch_row — mysqli_fetch_row — Get a result row as an enumerated array
Beschreibung
Object oriented style (method):
Procedural style:
Fetches one row of data from the result set and returns it as an enumerated array, where each column is stored in an array offset starting from 0 (zero). Each subsequent call to this function will return the next row within the result set, or NULL if there are no more rows.
Parameter-Liste
- result
Nur bei prozeduralem Aufruf: Ein vonmysqli_query(), mysqli_store_result()oder mysqli_use_result() zurückgegebenesErgebnisobjekt.
Rückgabewerte
mysqli_fetch_row() returns an array of strings that corresponds to the fetched row or NULL if there are no more rows in result set.
Hinweis: Diese Funktion setzt NULL-Felderauf den PHP Wert-NULL.
Beispiele
Beispiel #1 Object oriented style
<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}$query = "SELECT Name, CountryCode FROM City ORDER by ID DESC LIMIT 50,5";if (
$result = $mysqli->query($query)) {
/* fetch object array */
while ($row = $result->fetch_row()) {
printf ("%s (%s)\n", $row[0], $row[1]);
}
/* free result set */
$result->close();
}/* close connection */
$mysqli->close();
?>Beispiel #2 Procedural style
<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}$query = "SELECT Name, CountryCode FROM City ORDER by ID DESC LIMIT 50,5";if (
$result = mysqli_query($link, $query)) {
/* fetch associative array */
while ($row = mysqli_fetch_row($result)) {
printf ("%s (%s)\n", $row[0], $row[1]);
}
/* free result set */
mysqli_free_result($result);
}/* close connection */
mysqli_close($link);
?>Das oben gezeigte Beispiel erzeugt folgendeAusgabe:
Pueblo (USA)Arvada (USA)Cape Coral (USA)Green Bay (USA)Santa Clara (USA)
Siehe auch
- mysqli_fetch_array() – Fetch a result row as an associative, a numeric array, or both
- mysqli_fetch_assoc() – Fetch a result row as an associative array
- mysqli_fetch_object() – Returns the current row of a result set as an object
- mysqli_query() – Performs a query on the database
- mysqli_data_seek() – Adjusts the result pointer to an arbitary row in the result
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