164 lines
4.8 KiB
PHP
164 lines
4.8 KiB
PHP
<?php
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if(! function_exists('timezone_cmp')) {
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function timezone_cmp($a, $b) {
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if(strstr($a,'/') && strstr($b,'/')) {
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if ($a == $b) return 0;
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return ($a < $b) ? -1 : 1;
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}
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if(strstr($a,'/')) return -1;
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if(strstr($b,'/')) return 1;
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if ( t($a) == t($b)) return 0;
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return ( t($a) < t($b)) ? -1 : 1;
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}}
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if(! function_exists('select_timezone')) {
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function select_timezone($current = 'America/Los_Angeles') {
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$timezone_identifiers = DateTimeZone::listIdentifiers();
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$o ='<select id="timezone_select" name="timezone">';
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usort($timezone_identifiers, 'timezone_cmp');
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$continent = '';
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foreach($timezone_identifiers as $value) {
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$ex = explode("/", $value);
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if(count($ex) > 1) {
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if($ex[0] != $continent) {
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if($continent != '')
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$o .= '</optgroup>';
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$continent = $ex[0];
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$o .= '<optgroup label="' . t($continent) . '">';
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}
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if(count($ex) > 2)
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$city = substr($value,strpos($value,'/')+1);
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else
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$city = $ex[1];
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}
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else {
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$city = $ex[0];
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if($continent != 'Miscellaneous') {
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$o .= '</optgroup>';
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$continent = 'Miscellaneous';
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$o .= '<optgroup label="' . t($continent) . '">';
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}
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}
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$city = str_replace('_', ' ', t($city));
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$selected = (($value == $current) ? " selected=\"selected\" " : "");
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$o .= "<option value=\"$value\" $selected >$city</option>";
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}
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$o .= '</optgroup></select>';
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return $o;
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}}
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if(! function_exists('datetime_convert')) {
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function datetime_convert($from = 'UTC', $to = 'UTC', $s = 'now', $fmt = "Y-m-d H:i:s") {
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// Slight hackish adjustment so that 'zero' datetime actually returns what is intended
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// otherwise we end up with -0001-11-30 ...
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// add 32 days so that we at least get year 00, and then hack around the fact that
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// months and days always start with 1.
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if(substr($s,0,10) == '0000-00-00') {
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$d = new DateTime($s . ' + 32 days', new DateTimeZone('UTC'));
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return str_replace('1','0',$d->format($fmt));
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}
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$d = new DateTime($s, new DateTimeZone($from));
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$d->setTimeZone(new DateTimeZone($to));
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return($d->format($fmt));
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}}
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function dob($dob) {
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list($year,$month,$day) = sscanf($dob,'%4d-%2d-%2d');
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$y = datetime_convert('UTC',date_default_timezone_get(),'now','Y');
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$o = datesel('',1920,$y,true,$year,$month,$day);
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return $o;
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}
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if(! function_exists('datesel')) {
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function datesel($pre,$ymin,$ymax,$allow_blank,$y,$m,$d) {
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$o = '';
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$o .= "<select name=\"{$pre}year\" class=\"{$pre}year\" size=\"1\">";
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if($allow_blank) {
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$sel = (($y == '0000') ? " selected=\"selected\" " : "");
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$o .= "<option value=\"0000\" $sel ></option>";
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}
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for($x = $ymax; $x >= $ymin; $x --) {
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$sel = (($x == $y) ? " selected=\"selected\" " : "");
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$o .= "<option value=\"$x\" $sel>$x</option>";
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}
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$o .= "</select> <select name=\"{$pre}month\" class=\"{$pre}month\" size=\"1\">";
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for($x = 0; $x <= 12; $x ++) {
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$sel = (($x == $m) ? " selected=\"selected\" " : "");
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$y = (($x) ? $x : '');
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$o .= "<option value=\"$x\" $sel>$y</option>";
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}
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$o .= "</select> <select name=\"{$pre}day\" class=\"{$pre}day\" size=\"1\">";
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for($x = 0; $x <= 31; $x ++) {
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$sel = (($x == $d) ? " selected=\"selected\" " : "");
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$y = (($x) ? $x : '');
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$o .= "<option value=\"$x\" $sel>$y</option>";
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}
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$o .= "</select>";
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return $o;
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}}
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if(! function_exists('relative_date')) {
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function relative_date($posted_date) {
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$localtime = datetime_convert('UTC',date_default_timezone_get(),$posted_date);
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$abs = strtotime($localtime);
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$etime = time() - $abs;
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if ($etime < 1) {
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return t('less than a second ago');
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}
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$a = array( 12 * 30 * 24 * 60 * 60 => array( t('year'), t('years')),
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30 * 24 * 60 * 60 => array( t('month'), t('months')),
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7 * 24 * 60 * 60 => array( t('week'), t('weeks')),
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24 * 60 * 60 => array( t('day'), t('days')),
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60 * 60 => array( t('hour'), t('hours')),
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60 => array( t('minute'), t('minutes')),
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1 => array( t('second'), t('seconds'))
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);
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foreach ($a as $secs => $str) {
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$d = $etime / $secs;
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if ($d >= 1) {
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$r = round($d);
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return $r . ' ' . (($r == 1) ? $str[0] : $str[1]) . t(' ago');
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}
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}
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}}
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function age($dob,$owner_tz = '',$viewer_tz = '') {
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if(! intval($dob))
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return 0;
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if(! $owner_tz)
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$owner_tz = date_default_timezone_get();
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if(! $viewer_tz)
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$viewer_tz = date_default_timezone_get();
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$birthdate = datetime_convert('UTC',$owner_tz,$dob . ' 00:00:00+00:00','Y-m-d');
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list($year,$month,$day) = explode("-",$birthdate);
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$year_diff = datetime_convert('UTC',$viewer_tz,'now','Y') - $year;
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$curr_month = datetime_convert('UTC',$viewer_tz,'now','m');
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$curr_day = datetime_convert('UTC',$viewer_tz,'now','d');
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if(($curr_month < $month) || (($curr_month == $month) && ($curr_day < $day)))
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$year_diff--;
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return $year_diff;
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}
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