MySQL Improved Extension (
Mysqli
)
2476
<?php
/* Open a connection */
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT Name, CountryCode FROM City ORDER BY Name LIMIT 20";
if ($stmt = mysqli_prepare($link, $query)) {
/* execute query */
mysqli_stmt_execute($stmt);
/* store result */
mysqli_stmt_store_result($stmt);
printf("Number of rows: %d.\n", mysqli_stmt_num_rows($stmt));
/* free result */
mysqli_stmt_free_result($stmt);
/* close statement */
mysqli_stmt_close($stmt);
}
/* close connection */
mysqli_close($link);
?>
The above examples will output:
Number of rows: 20.
See Also
mysqli_prepare
mysqli_stmt_result_metadata
mysqli_stmt_fetch
20.7.3.11. The mysqli_result class (
mysqli_result
)
Copyright 1997-2012 the PHP Documentation Group. [2230]
Represents the result set obtained from a query against the database.
Changelog
Table 20.50. Changelog
Version
Description
5.4.0
Iterator
support was added, as
mysqli_result
now implements
Traversable
.
mysqli_result {
mysqli_result
Содержание 5.0
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