MastodonHelp/web/lib/parsetime.php

<?php

function parsetime($str) {
	$str=explode(',',$str);
	$secs=0;
	foreach ($str as $ent) {
		if (preg_match('/^(\d+)([smhdwMy])$/',$ent,$mat)!==1)
			return(false);
		$mat[1]+=0;
		if ($mat[2]=='s')
			$secs+=$mat[1];
		elseif ($mat[2]=='m')
			$secs+=$mat[1]*60;
		elseif ($mat[2]=='h')
			$secs+=$mat[1]*60*60;
		elseif ($mat[2]=='d')
			$secs+=$mat[1]*60*60*24;
		elseif ($mat[2]=='w')
			$secs+=$mat[1]*60*60*24*7;
		elseif ($mat[2]=='M')
			$secs+=$mat[1]*60*60*24*31;
		elseif ($mat[2]=='y')
			$secs+=$mat[1]*60*60*24*365;
	}
	return $secs;
}

?>