Description
int 
getlastmod ( void  )
     Returns the time of the last modification of the current
     page. The value returned is a Unix timestamp, suitable for
     feeding to date(). Returns FALSE on error.
    
     
Example 1. getlastmod() example 
<?php // outputs e.g. 'Last modified: March 04 1998 20:43:59.' echo "Last modified: " . date ("F d Y H:i:s.", getlastmod()); ?>
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    Note: 
      If you're interested in getting the last modification time 
      of a different file, consider using filemtime().
     
     See also 
     date(),
     getmyuid(), 
     getmygid(),
     get_current_user(),
     getmyinode(),
     getmypid(), and
     filemtime().