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executable file 262 lines (215 sloc) 5.43 KB
<?php
function timeAgo($datefrom,$dateto=-1)
{
// Defaults and assume if 0 is passed in that
// its an error rather than the epoch
if($datefrom<=0) { return "A long time ago"; }
if($dateto==-1) { $dateto = time(); }
// Calculate the difference in seconds betweeen
// the two timestamps
$difference = $dateto - $datefrom;
if ($difference < 0 ) {
return 'n/a';
}
// If difference is less than 60 seconds,
// seconds is a good interval of choice
if($difference < 60)
{
$interval = "s";
}
// If difference is between 60 seconds and
// 60 minutes, minutes is a good interval
elseif($difference >= 60 && $difference<60*60)
{
$interval = "n";
}
// If difference is between 1 hour and 24 hours
// hours is a good interval
elseif($difference >= 60*60 && $difference<60*60*24)
{
$interval = "h";
}
// If difference is between 1 day and 7 days
// days is a good interval
elseif($difference >= 60*60*24 && $difference<60*60*24*7)
{
$interval = "d";
}
// If difference is between 1 week and 30 days
// weeks is a good interval
elseif($difference >= 60*60*24*7 && $difference <
60*60*24*30)
{
$interval = "ww";
}
// If difference is between 30 days and 365 days
// months is a good interval, again, the same thing
// applies, if the 29th February happens to exist
// between your 2 dates, the function will return
// the 'incorrect' value for a day
elseif($difference >= 60*60*24*30 && $difference <
60*60*24*365)
{
$interval = "m";
}
// If difference is greater than or equal to 365
// days, return year. This will be incorrect if
// for example, you call the function on the 28th April
// 2008 passing in 29th April 2007. It will return
// 1 year ago when in actual fact (yawn!) not quite
// a year has gone by
elseif($difference >= 60*60*24*365)
{
$interval = "y";
}
// Based on the interval, determine the
// number of units between the two dates
// From this point on, you would be hard
// pushed telling the difference between
// this function and DateDiff. If the $datediff
// returned is 1, be sure to return the singular
// of the unit, e.g. 'day' rather 'days'
switch($interval)
{
case "m":
$months_difference = floor($difference / 60 / 60 / 24 /
29);
while (mktime(date("H", $datefrom), date("i", $datefrom),
date("s", $datefrom), date("n", $datefrom)+($months_difference),
date("j", $dateto), date("Y", $datefrom)) < $dateto)
{
$months_difference++;
}
$datediff = $months_difference;
// We need this in here because it is possible
// to have an 'm' interval and a months
// difference of 12 because we are using 29 days
// in a month
if($datediff==12)
{
$datediff--;
}
$res = ($datediff==1) ? "$datediff mnth" : "$datediff
mnths";
$res = datifyunix($datefrom);
break;
case "y":
$datediff = floor($difference / 60 / 60 / 24 / 365);
$res = ($datediff==1) ? "$datediff yr" : "$datediff
yrs";
$res = datifyunix($datefrom);
break;
case "d":
$datediff = floor($difference / 60 / 60 / 24);
$res = ($datediff==1) ? "$datediff day ago" : "$datediff
days ago";
break;
case "ww":
$datediff = floor($difference / 60 / 60 / 24 / 7);
$res = ($datediff==1) ? "$datediff wk" : "$datediff
wks";
$res = datifyunix($datefrom);
break;
case "h":
$datediff = floor($difference / 60 / 60);
$res = ($datediff==1) ? "$datediff hr ago" : "$datediff
hrs ago";
break;
case "n":
$datediff = floor($difference / 60);
$res = ($datediff==1) ? "$datediff min ago" :
"$datediff mins ago";
break;
case "s":
$datediff = $difference;
$res = ($datediff==1) ? "$datediff sec ago" :
"$datediff secs ago";
break;
}
return $res;
}
function TimeHours($datefrom,$dateto=-1)
{
// Defaults and assume if 0 is passed in that
// its an error rather than the epoch
if($dateto==-1) { $dateto = time(); }
// Calculate the difference in seconds betweeen
// the two timestamps
$difference = $dateto - $datefrom;
if ($difference < 0 ) {
return 'n/a';
}
// If difference is less than 60 seconds,
// seconds is a good interval of choice
if($difference < 60)
{
$interval = "s";
}
// If difference is between 60 seconds and
// 60 minutes, minutes is a good interval
elseif($difference >= 60 && $difference<60*60)
{
$interval = "n";
}
// If difference is between 1 hour and 24 hours
// hours is a good interval
elseif($difference >= 60*60 )
{
$interval = "h";
}
switch($interval)
{
case "m":
$months_difference = floor($difference / 60 / 60 / 24 /
29);
while (mktime(date("H", $datefrom), date("i", $datefrom),
date("s", $datefrom), date("n", $datefrom)+($months_difference),
date("j", $dateto), date("Y", $datefrom)) < $dateto)
{
$months_difference++;
}
$datediff = $months_difference;
// We need this in here because it is possible
// to have an 'm' interval and a months
// difference of 12 because we are using 29 days
// in a month
if($datediff==12)
{
$datediff--;
}
$res = ($datediff==1) ? "$datediff mnth" : "$datediff
mnths";
break;
case "y":
$datediff = floor($difference / 60 / 60 / 24 / 365);
$res = ($datediff==1) ? "$datediff yr" : "$datediff
yrs";
break;
case "d":
$datediff = floor($difference / 60 / 60 / 24);
$res = ($datediff==1) ? "$datediff day" : "$datediff
days";
break;
case "ww":
$datediff = floor($difference / 60 / 60 / 24 / 7);
$res = ($datediff==1) ? "$datediff wk" : "$datediff
wks";
break;
case "h":
$datediff = floor($difference / 60 / 60);
$res = ($datediff==1) ? "$datediff hr" : "$datediff
hrs";
break;
case "n":
$datediff = floor($difference / 60);
$res = ($datediff==1) ? "$datediff min" :
"$datediff mins";
break;
case "s":
$datediff = $difference;
$res = ($datediff==1) ? "$datediff sec" :
"$datediff secs";
break;
}
return $res;
}