PHP mysqli fetch_array() Funksie
Voorbeeld - Objekgeoriënteerde styl
Haal 'n resultaatry as 'n numeriese skikking en as 'n assosiatiewe skikking:
<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");
if ($mysqli -> connect_errno) {
echo "Failed to connect to MySQL: " .
$mysqli -> connect_error;
exit();
}
$sql = "SELECT Lastname, Age FROM Persons ORDER BY Lastname";
$result
=
$mysqli -> query($sql);
// Numeric array
$row = $result
-> fetch_array(MYSQLI_NUM);
printf ("%s (%s)\n", $row[0], $row[1]);
// Associative array
$row = $result
-> fetch_array(MYSQLI_ASSOC);
printf ("%s (%s)\n", $row["Lastname"], $row["Age"]);
// Free result set
$result
-> free_result();
$mysqli -> close();
?>
Kyk na voorbeeld van prosedurele styl onderaan.
Definisie en gebruik
Die fetch_array() / mysqli_fetch_array() funksie haal 'n resultaatry as 'n assosiatiewe skikking, 'n numeriese skikking, of albei.
Let wel: Veldname wat van hierdie funksie af teruggestuur word, is hooflettergevoelig.
Sintaksis
Objekgeoriënteerde styl:
$mysqli_result ->
fetch_array(resulttype)
Prosedure styl:
mysqli_fetch_array(result,resulttype)
Parameterwaardes
Parameter | Description |
---|---|
result | Required. Specifies a result set identifier returned by mysqli_query(), mysqli_store_result() or mysqli_use_result() |
resulttype | Optional. Specifies what type of array that should be produced. Can be one of the following values:
|
Tegniese besonderhede
Terugkeerwaarde: | Wys 'n reeks stringe wat ooreenstem met die gehaalde ry. NULL as daar nie meer rye in resultaatstel is nie |
---|---|
PHP weergawe: | 5+ |
Voorbeeld - Prosedurele styl
Haal 'n resultaatry as 'n numeriese skikking en as 'n assosiatiewe skikking:
<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit();
}
$sql = "SELECT Lastname, Age FROM Persons ORDER BY Lastname";
$result = mysqli_query($con,$sql);
// Numeric array
$row = mysqli_fetch_array($result, MYSQLI_NUM);
printf ("%s (%s)\n", $row[0], $row[1]);
// Associative array
$row = mysqli_fetch_array($result, MYSQLI_ASSOC);
printf ("%s (%s)\n", $row["Lastname"], $row["Age"]);
// Free result set
mysqli_free_result($result);
mysqli_close($con);
?>
❮ PHP MySQLi-verwysing