CSS:
#block_container
{
text-align:center;
}
#bloc1, #bloc2
{
display:inline;
}
HTML
<div id="block_container">
<div id="bloc1"><?php echo " version ".$version." Copyright © All Rights Reserved."; ?></div>
<div id="bloc2"><img src="..."></div>
</div>
Also, you shouldn’t put raw content into <div>‘s, use an appropriate tag such as <p> or <span>.
Edit: Here is a jsFiddle demo.