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PHP | mysqli_num_rows() Function

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  • Last Updated : 31 Jul, 2021

The mysqli_num_rows() function is an inbuilt function in PHP which is used to return the number of rows present in the result set. It is generally used to check if data is present in the database or not. To use this function, it is mandatory to first set up the connection with the MySQL database.


mysqli_num_rows ( $result );

Parameters: This function accepts single parameter $result (where $result is a MySQL query set up using mysqli_query()). It is a mandatory parameter and represents the result set returned by a fetch query in MySQL.

Return Value: It returns the number of rows present in a result set. If no rows match the given criteria then it returns false instead.

Consider there is a table named geek in a MySQL database named Geeks. Below is the description of the table geek.


Below programs illustrate the mysqli_num_rows() function in PHP.

    // Setting up connection with database Geeks
    $connection = mysqli_connect("localhost", "root", ""
    // Check connection
    if (mysqli_connect_errno())
        echo "Database connection failed.";
    // query to fetch Username and Password from
    // the table geek
    $query = "SELECT Username, Password FROM geek";
    // Execute the query and store the result set
    $result = mysqli_query($connection, $query);
    if ($result)
        // it return number of rows in the table.
        $row = mysqli_num_rows($result);
           if ($row)
                 printf("Number of row in the table : " . $row);
        // close the result.
    // Connection close 


Number of row in the table : 4

PHP is a server-side scripting language designed specifically for web development. You can learn PHP from the ground up by following this PHP Tutorial and PHP Examples.

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