PHP Manual: mysqli_stmt::$num

Description

Object-oriented style

int|string $mysqli_stmt->num_rows;

public function mysqli_stmt::num_rows(): int|string

Procedural style

function mysqli_stmt_num_rows(mysqli_stmt $statement): int|string

Returns the number of rows buffered in the statement. This function will only work after mysqli_stmt_store_result() is called to buffer the entire result set in the statement handle.

This function returns 0 unless all rows have been fetched from the server.

Parameters

statement: Procedural style only: A mysqli_stmt object returned by mysqli_stmt_init().

Return Values

An int representing the number of buffered rows. Returns 0 in unbuffered mode unless all rows have been fetched from the server.

Note:
If the number of rows is greater than PHP_INT_MAX, the number will be returned as a string.

Examples

Example #1 Object-oriented style

<?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);

Example #2 Procedural style

<?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));

The above examples will output:

Number of rows: 20.

mysqli_stmt::$num_rows

mysqli_stmt::num_rows

mysqli_stmt_num_rows

Description

Parameters

Return Values

Examples

See Also