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TimoZachi on 07/12/12

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user

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Last Edited at 07/12/12 02:03am

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Simple function for converting unix timestamp to user friendly date

/ Published in: PHP

A simple function for converting a php timestamp (integer) to a user frindly format. Examples: 10 Seconds ago, 4 Days ago. The function converts timestamp to U.F. format only if the timestamp is earlyer than one week. Otherwise it uses $dateFormat argument to display the date.

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<?php
function user_friendly_date($timestamp, $echo = false, $dateFormat = 'm/d/Y H:i:s')
{
	$ufdate = '';
	$now = time();
	$elapsed = $now - $timestamp;
	if($elapsed <= 0) $ufdate = 'Now';
	else if($elapsed == 1) $ufdate = "1 Second ago";
	else if($elapsed < 60) $ufdate = "{$elapsed} Seconds ago";
	else if($elapsed < 3600) //One hour in seconds
	{
		$mins = floor($elapsed/60);
		$secs = $elapsed%60;
		$disp = min(($secs <= 30 ? $mins : $mins + 1), 59);
		$ufdate = "{$disp} Minute" . ($disp == 1 ? '' : 's') ." ago";
	}
	else if($elapsed < 86400) //One day in seconds
	{
		$hours = floor($elapsed/3600);
		$mins = floor(($elapsed%3600)/60);
		$disp = min(($mins <= 30 ? $hours : $hours + 1), 23);
		$ufdate = "{$disp} Hour" . ($disp == 1 ? '' : 's') ." ago";
	}
	else if($elapsed < 604800) //One week in seconds
	{
		$days = floor($elapsed/86400);
		$hours = floor(($elapsed%86400)/3600);
		$disp = min(($hours <= 12 ? $days : $days + 1), 6);
		$ufdate = "{$disp} Day" . ($disp == 1 ? '' : 's') ." ago";
	}
	else $ufdate = date($dateFormat, $timestamp);
	if($echo) echo $ufdate;
	return $ufdate;
}
 
//Usage
$now = time();
$tenSecsAgo = $now - 10;
$oneMinuteAgo = $now - 60;
$thirtyNineMinsAgo = $now - (39 * 60); //minutes * seconds
$elevenHoursAgo = $now - (11 * 60 * 60); //hours * minutes * seconds
$twoDaysAgo = $now - (2 * 24 * 60 * 60); //days * hours * minutes * seconds
 
echo "<p>\n";
echo user_friendly_date($tenSecsAgo), " <br>\n";
echo user_friendly_date($oneMinuteAgo), " <br>\n";
echo user_friendly_date($thirtyNineMinsAgo), " <br>\n";
echo user_friendly_date($elevenHoursAgo), " <br>\n";
echo user_friendly_date($twoDaysAgo), " <br>\n";
echo "</p>";
?>