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PHP mysqli_field_tell() Function

PHP MySQLi Reference PHP MySQLi Reference

Example

Get field info for all fields, then get the current field with mysqli_field_tell() and print each column's name, table, and max length:

<?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))
  {

  // Get field info for all fields
  while ($fieldinfo=mysqli_fetch_field($result))
    {
    // Get field cursor position
    $currentfield=mysqli_field_tell($result);
   
    printf("Column %d:\n", $currentfield);
    printf("Name: %s\n", $fieldinfo->name);
    printf("Table: %s\n", $fieldinfo->table);
    }

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

mysqli_close($con);
?>

Definition and Usage

The mysqli_field_tell() function returns the position of the field cursor.


Syntax

mysqli_field_tell(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 current offset of the field cursor
PHP Version: 5+


PHP MySQLi Reference PHP MySQLi Reference

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