вот
<?php
$file = file_get_contents('http://javagala.ru');
preg_match('|<span id="counter">(\d+)</span>|',$file,$count);
echo $count[1];
?> вот
<?php
$file = file_get_contents('http://javagala.ru');
preg_match('|<span id="counter">(\d+)</span>|',$file,$count);
echo $count[1];
?>