[PHP] filemtime -help

i have a problem with filemtime function, i want script print out the date of file last modified. here is code, $fp=fopen("ex.txt","r"); echo date("j F Y H:i", filemtime($fp)); fclose($fp); it turns out; 1 January 1970 02:00 everytime , i modified file, but this doesnt change, lastly i deleted and

[PHP] filemtime -help

i have a problem with filemtime function, i want script print out the date of file last modified. here is code, $fp=fopen("ex.txt","r"); echo date("j F Y H:i", filemtime($fp)); fclose($fp); it turns out; 1 January 1970 02:00 everytime , i modified file, but this doesnt change, lastly i deleted and