Get the length of the fields in the result set in PHP

Description

The following code shows how to get the length of the fields in the result set.

Example


/*  ww w  . jav  a2 s  .c om*/
<?php
     $con=mysqli_connect("localhost","root","","test");
     // Check connection
     if (mysqli_connect_errno()){
         echo "Failed to connect to MySQL: " . mysqli_connect_error();
     }

     $sql="SELECT * FROM employee";

     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);
?>

The code above generates the following result.





















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