PHP mysqli_data_seek() Functie
Voorbeeld
Zoek naar rij nummer 15 in de resultatenset:
<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
$sql="SELECT Lastname,Age FROM Persons ORDER BY Lastname";
if ($result=mysqli_query($con,$sql))
{
// Seek to row number 15
mysqli_data_seek($result,14);
// Fetch row
$row=mysqli_fetch_row($result);
printf ("Lastname: %s Age: %s\n", $row[0], $row[1]);
// Free result set
mysqli_free_result($result);
}
mysqli_close($con);
?>
Definitie en gebruik
De functie mysqli_data_seek() past de resultaataanwijzer aan naar een willekeurige rij in de resultatenset.
Syntaxis
mysqli_data_seek(result,offset);
Parameterwaarden
| Parameter | Description |
|---|---|
| result | Required. Specifies a result set identifier returned by mysqli_query(), mysqli_store_result() or mysqli_use_result() |
| offset | Required. Specifies the field offset. Must be between 0 and the total number of rows - 1 |
Technische details
| Winstwaarde: | WAAR op succes. ONWAAR bij fout |
|---|---|
| PHP-versie: | 5+ |
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