<?php if(! function_exists('timezone_cmp')) { function timezone_cmp($a, $b) { if(strstr($a,'/') && strstr($b,'/')) { if ($a == $b) return 0; return ($a < $b) ? -1 : 1; } if(strstr($a,'/')) return -1; if(strstr($b,'/')) return 1; if ($a == $b) return 0; return ($a < $b) ? -1 : 1; }} if(! function_exists('select_timezone')) { function select_timezone($current = 'America/Los_Angeles') { $timezone_identifiers = DateTimeZone::listIdentifiers(); $o ='<select id="timezone_select" name="timezone">'; usort($timezone_identifiers, 'timezone_cmp'); $continent = ''; foreach($timezone_identifiers as $value) { $ex = explode("/", $value); if(count($ex) > 1) { if($ex[0] != $continent) { if($continent != '') $o .= '</optgroup>'; $continent = $ex[0]; $o .= "<optgroup label=\"$continent\">"; } if(count($ex) > 2) $city = substr($value,strpos($value,'/')+1); else $city = $ex[1]; } else { $city = $ex[0]; if($continent != 'Miscellaneous') { $o .= '</optgroup>'; $continent = 'Miscellaneous'; $o .= "<optgroup label=\"$continent\">"; } } $city = str_replace('_', ' ', $city); $selected = (($value == $current) ? " selected=\"selected\" " : ""); $o .= "<option value=\"$value\" $selected >$city</option>"; } $o .= '</optgroup></select>'; return $o; }} if(! function_exists('datetime_convert')) { function datetime_convert($from = 'UTC', $to = 'UTC', $s = 'now', $fmt = "Y-m-d H:i:s") { $d = new DateTime($s, new DateTimeZone($from)); $d->setTimeZone(new DateTimeZone($to)); return($d->format($fmt)); }} function dob($dob) { list($year,$month,$day) = sscanf($dob,'%4d-%2d-%2d'); $y = datetime_convert('UTC',date_default_timezone_get(),'now','Y'); $o = datesel('',1920,$y,true,$year,$month,$day); return $o; } if(! function_exists('datesel')) { function datesel($pre,$ymin,$ymax,$allow_blank,$y,$m,$d) { $o = ''; $o .= "<select name=\"{$pre}year\" class=\"{$pre}year\" size=\"1\">"; if($allow_blank) { $sel = (($y == '0000') ? " selected=\"selected\" " : ""); $o .= "<option value=\"0000\" $sel ></option>"; } for($x = $ymax; $x >= $ymin; $x --) { $sel = (($x == $y) ? " selected=\"selected\" " : ""); $o .= "<option value=\"$x\" $sel>$x</option>"; } $o .= "</select> <select name=\"{$pre}month\" class=\"{$pre}month\" size=\"1\">"; for($x = 0; $x <= 12; $x ++) { $sel = (($x == $m) ? " selected=\"selected\" " : ""); $y = (($x) ? $x : ''); $o .= "<option value=\"$x\" $sel>$y</option>"; } $o .= "</select> <select name=\"{$pre}day\" class=\"{$pre}day\" size=\"1\">"; for($x = 0; $x <= 31; $x ++) { $sel = (($x == $d) ? " selected=\"selected\" " : ""); $y = (($x) ? $x : ''); $o .= "<option value=\"$x\" $sel>$y</option>"; } $o .= "</select>"; return $o; }} // TODO rewrite this buggy sucker function relative_date($posted_date) { $localtime = datetime_convert('UTC',date_default_timezone_get(),$posted_date); $in_seconds = strtotime($localtime); $diff = time() - $in_seconds; $months = floor($diff/2592000); $diff -= $months*2419200; $weeks = floor($diff/604800); $diff -= $weeks*604800; $days = floor($diff/86400); $diff -= $days*86400; $hours = floor($diff/3600); $diff -= $hours*3600; $minutes = floor($diff/60); $diff -= $minutes*60; $seconds = $diff; if($months > 2) return(datetime_convert('UTC',date_default_timezone_get(),$posted_date,'\o\n Y-m-d \a\t H:i:s')); if ($months>0) { // over a month old, return 'over a month ago'; } else { if ($weeks>0) { // weeks and days $relative_date .= ($relative_date?', ':'').$weeks.' week'.($weeks!=1 ?'s':''); } elseif ($days>0) { // days and hours $relative_date .= ($relative_date?', ':'').$days.' day'.($days!=1?'s':''); } elseif ($hours>0) { // hours and minutes $relative_date .= ($relative_date?', ':'').$hours.' hour'.($hours!=1?'s':''); } elseif ($minutes>0) { // minutes only $relative_date .= ($relative_date?', ':'').$minutes.' minute'.($minutes!=1?'s':''); } else { // seconds only $relative_date .= ($relative_date?', ':'').$seconds.' second'.($seconds!=1?'s':''); } } // show relative date and add proper verbiage return $relative_date.' ago'; } function age($dob,$owner_tz = '',$viewer_tz = '') { if(! intval($dob)) return 0; if(! $owner_tz) $owner_tz = date_default_timezone_get(); if(! $viewer_tz) $viewer_tz = date_default_timezone_get(); $birthdate = datetime_convert('UTC',$owner_tz,$dob . ' 00:00:00+00:00','Y-m-d'); list($year,$month,$day) = explode("-",$birthdate); $year_diff = datetime_convert('UTC',$viewer_tz,'now','Y') - $year; $curr_month = datetime_convert('UTC',$viewer_tz,'now','m'); $curr_day = datetime_convert('UTC',$viewer_tz,'now','d'); if(($curr_month < $month) || (($curr_month == $month) && ($curr_day < $day))) $year_diff--; return $year_diff; }