mysqli_stmt::store_result
PHP function
Edit on GitHub ✎
(PHP 5, PHP 7, PHP 8)
Stores a result set in an internal buffer
Description
Oop
mysqli_stmt::store_result(): bool
Procedural
mysqli_stmt_store_result(mysqli_stmt $statement): bool
This function should be called for queries that successfully produce a result set (e.g. SELECT, SHOW, DESCRIBE, EXPLAIN) only if the complete result set needs to be buffered in PHP. Each subsequent mysqli_stmt_fetch() call will return buffered data.
Note
It is unnecessary to call mysqli_stmt_store_result() for other queries, but if you do, it will not harm or cause any notable performance loss in all cases. You can detect whether the query produced a result set by checking if mysqli_stmt_result_metadata() returns false.
Parameters
Return Values
Success
Errors/Exceptions Conditionalexception
Examples
Oop
php
<?php
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
$query = "SELECT Name, CountryCode FROM City ORDER BY Name LIMIT 20";
$stmt = $mysqli->prepare($query);
$stmt->execute();
/* store the result in an internal buffer */
$stmt->store_result();
printf("Number of rows: %d.\n", $stmt->num_rows);Procedural
php
<?php
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
$query = "SELECT Name, CountryCode FROM City ORDER BY Name LIMIT 20";
$stmt = mysqli_prepare($link, $query);
mysqli_stmt_execute($stmt);
/* store the result in an internal buffer */
mysqli_stmt_store_result($stmt);
printf("Number of rows: %d.\n", mysqli_stmt_num_rows($stmt));Outputs
output
Number of rows: 20.