boinc/html/inc/time.inc

52 lines
1.1 KiB
PHP

<?php
// express a time difference in readable form
//
function time_diff_str($t1, $t2) {
if (!$t1 || !$t2) return "---";
$diff = $t2 - $t1;
if ($diff<0){
$pre="In ";
$post="";
$diff=-$diff;
} else {
$pre="";
$post=" ago";
}
$x = "";
if ($diff >= 3600*24) {
$n = (int) ($diff/(3600*24));
if ($n == 1) {
$x .= "1 day ";
} else {
$x .= "$n days ";
}
return $pre.$x.$post;
//$diff -= $n*3600*24;
} elseif ($diff >= 3600) {
$n = (int) ($diff/3600);
if ($n == 1) {
$x .= "1 hour ";
} else {
$x .= $n." hours ";
}
return $pre.$x.$post;
//$diff -= $n*3600;
} elseif ($diff >= 60) {
$n = (int) ($diff/60);
if ($n == 1) {
$x .= "1 minute ";
} else {
$x .= $n." minutes ";
}
return $pre.$x.$post;
} elseif($diff > 1 || $diff==0) {
return $pre."$diff seconds".$post;
} elseif($diff == 1){
return $pre."$diff seconds".$post;
}
}
?>