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PHP mysqli_num_rows() Function

PHP MySQLi Reference PHP MySQLi Reference

Example

Return the number of rows in a result set:

<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno())
  {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  }

$sql="SELECT Lastname,Age FROM Persons ORDER BY Lastname";

if ($result=mysqli_query($con,$sql))
  {
  // Return the number of rows in result set
  $rowcount=mysqli_num_rows($result);
  printf("Result set has %d rows.\n",$rowcount);
  // Free result set
  mysqli_free_result($result);
  }

mysqli_close($con);
?>

Definition and Usage

The mysqli_num_rows() function returns the number of rows in a result set.


Syntax

mysqli_num_rows(result);

Parameter Description
result Required. Specifies a result set identifier returned by mysqli_query(), mysqli_store_result() or mysqli_use_result()

Technical Details

Return Value: Returns the number of rows in the result set
PHP Version: 5+


PHP MySQLi Reference PHP MySQLi Reference

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