Description
int 
ob_get_length ( void  )
     This will return the length of the contents in the output buffer
     or FALSE, if output buffering isn't active.
    
     
Example 1. A simple ob_get_contents() example 
<?php
  ob_start();
  echo "Hello ";
  $len1 = ob_get_length();
  echo "World";
  $len2 = ob_get_length();
  ob_end_clean();
  echo $len1 . ", ." . $len2; ?>
 |  
 
       Our example will output:
        | 
    
     See also ob_start() and
     ob_get_contents().