ajax xhr lengthComputable return false with php file

Question

i\'m doing an ajax request with a XMLHttpRequest in order to show the progress of the request. It\'s working great with an html file but evt.lengthComputable return false wi

Answer 1

Because php file are dynamic, you need to set a correct Content-Length header:

<?
ob_start();
/* your code here */

$length = ob_get_length();
header('Content-Length: '.$length."\r\n");
header('Accept-Ranges: bytes'."\r\n");
ob_end_flush();