X
HOME HTML5 CSS3 JAVASCRIPT SQL PHP5 JQUERY ANGULAR BOOTSTRAP3 XML MORE...
REFERENCES | EXAMPLES | FORUM | ABOUT

PHP mysqli_fetch_lengths() Function

PHP MySQLi Reference PHP MySQLi Reference

Example

Return the length of the fields in the 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 * FROM Persons ORDER BY Lastname";

if ($result=mysqli_query($con,$sql))
  {
  $row=mysqli_fetch_row($result);

  // Display field lengths
  foreach (mysqli_fetch_lengths($result) as $i=>$val)
    {
    printf("Field %2d has length: %2d\n",$i+1,$val);
    }

  // Free result set
  mysqli_free_result($result);
}

mysqli_close($con);
?>

Definition and Usage

The mysqli_fetch_lengths() function returns the length of the fields in the result set.


Syntax

mysqli_fetch_lengths(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 an array if integer that represents the size of each field (column). FALSE if an error occurs
PHP Version: 5+


PHP MySQLi Reference PHP MySQLi Reference

Your suggestion:

Close [X]

Thank You For Helping Us!

Your message has been sent to W3Schools.

Close [X]
Search w3schools.com:

WEB HOSTING

UK Reseller Hosting

WEB BUILDING

Download XML Editor FREE Website BUILDER Free HTML5 Templates

SHARE THIS PAGE

facebook