js解析php数组

<script language="javascript">
			var str;
			//$file = 'config/config.xml';
			str = '<?php  
				$info = array();
				array_push($info,"folder1");
				array_push($info,"folder2");
				echo json_encode($info);
			
			?>';
			var list = eval(decodeURIComponent(str));
			alert(list[0]);
			for(var i=0;i<8;i++){
				document.write("<div class='movieImg'>");
				document.write("<a href='video.php' target='_Blank'><div class='selected'></div></a>");
				document.write("<a href='#' target='_Blank'><img src='images/movie1.jpg' alt='movie' /></a>");
				document.write("</div>");
			}

		</script>