Search the Community
Showing results for tags 'dpi'.
Found 1 result
-
i have the following php code to find image's dpi <?php function get_dpi($filename){ $a = fopen($filename,'r'); $string = fread($a,20); fclose($a); $data = bin2hex(substr($string,14,4)); $x = substr($data,0,4); $y = substr($data,4,4); return array(hexdec($x),hexdec($y)); } print_r(get_dpi('C:/tv1.jpg')); ?> how do i use this to find all images' dpi in a folder and output to html? thanks in advance
