Función PHP mysqli next_result()
Ejemplo: estilo orientado a objetos
Realice múltiples consultas contra la base de datos:
<?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 FROM Persons ORDER BY LastName;";
$sql .= "SELECT Country FROM Customers";
// Execute multi query
if ($mysqli
-> multi_query($sql)) {
do {
// Store first result set
if ($result =
$mysqli -> store_result()) {
while ($row =
$result -> fetch_row()) {
printf("%s\n", $row[0]);
}
$result
-> free_result();
}
// if there are more result-sets, the print a
divider
if ($mysqli -> more_results()) {
printf("-------------\n");
}
//Prepare next result set
} while ($mysqli
-> next_result());
}
$mysqli -> close();
?>
Mire el ejemplo de estilo procedimental en la parte inferior.
Definición y uso
La función next_result() / mysqli_next_result() prepara el siguiente conjunto de resultados de multi_query() .
Sintaxis
Estilo orientado a objetos:
$mysqli ->
next_result()
Estilo procesal:
mysqli_next_result(connection);
Valores paramétricos
Parameter | Description |
---|---|
connection | Required. Specifies the MySQL connection to use |
Detalles técnicos
Valor devuelto: | VERDADERO sobre el éxito. FALSO en falla |
---|---|
Versión PHP: | 5+ |
Ejemplo: estilo de procedimiento
Realice múltiples consultas contra la base de datos:
<?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 FROM Persons ORDER BY LastName;";
$sql .= "SELECT Country FROM Customers";
// Execute multi query
if (mysqli_multi_query($con, $sql)) {
do {
// Store first result set
if ($result = mysqli_store_result($con)) {
while ($row = mysqli_fetch_row($result)) {
printf("%s\n", $row[0]);
}
mysqli_free_result($result);
}
// if there are more result-sets, the print a
divider
if (mysqli_more_results($con)) {
printf("-------------\n");
}
//Prepare next result set
} while (mysqli_next_result($con));
}
mysqli_close($con);
?>
❮ Referencia PHP MySQLi