PHP list all image with info

function imgInfo(){
	$dir = "./img";
	if(is_dir($dir)){
	$files=scandir($dir);
	unset($files[array_search('.',$files)]);
	unset($files[array_search('..',$files)]);
	
	foreach($files as $key=>$val){
		echo "<p style='border:1px solid silver; margin:1px; padding:20px;'>";
		echo "Name: ". $val."<br/>\n";        
		$img_size_array = getimagesize(rtrim($dir,'\/')."/".$val);
		echo "byte: ". filesize(rtrim($dir,'\/')."/".$val). "<br>";
		echo "width: ".$img_size_array[0]."px<br>";
		echo "height: ".$img_size_array[0]."px<br>";	 
		echo "<img style='width:50px; height:50px; margin:20px;' src=\"".rtrim($dir,'\/')."/".$val."\" /><br/><br/>\n\n";		
		echo "</p>";
	}
	}else{
		echo "(".$dir.") does not exist or is not a valid directory";
	}
}