Detecting Logged In State in Joomla
<?php $userattr = JFactory::getUser(); $thisuser = $userattr ->get('guest'); if($thisuser == 0) { ?> // is this a guest user? //yes. do guest user stuff <?php } else { ?> //no. do logged-in user stuff <?php } ?>
PHP: Date Difference for PHP 5.2
function days_diff($d1, $d2) { $x1 = days($d1); $x2 = days($d2); if ($x1 && $x2) { return abs($x1 - $x2); } } function days($x) { if (get_class($x) != 'DateTime') { return false; } $y = $x->format('Y') - 1; $days = $y * 365; $z = (int)($y / 4); $days += $z; $z = (int)($y / 100); $days -= $z; $z = (int)($y / 400); $days += $z; $days += $x->format('z'); return $days; } // Call function $start_date = '2015-08-19 15:18:19'; $end_date = '2015-08-22 15:18:19'; $date1=date_create(date('Y-m-j',strtotime($start_date))); $date2=date_create(date('Y-m-j',strtotime($end_date))); $diff=date_diff($date1,$date2); echo $diff;
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