<?php if (have_posts()) : ?>
<?php $count = 0; ?>
<?php while (have_posts()) : the_post(); ?>
<?php $count++; ?>
  <?php if ($count < 2) : ?>
          <?php the_content() ?>
   <?php else : ?>
          <?php the_excerpt(); ?>
  <?php endif; ?>
<?php endwhile; ?>
<?php endif; ?>

http://www.wprecipes.com/datadial-asked-how-can-i-display-1-full-post-and-3-excerpts

To solve an issue for a blog main page in wordpress to display the latest post in its entirety and the remaining posts only the excerpt.

Display latest post in full, rest in excerpt

wordpress

PHP