498 lines
13 KiB
PHP
498 lines
13 KiB
PHP
<?php
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/**
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* @file src/Util/Temporal.php
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*/
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namespace Friendica\Util;
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use DateTime;
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use DateTimeZone;
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use Friendica\Core\Config;
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use Friendica\Core\L10n;
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use Friendica\Core\PConfig;
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require_once 'boot.php';
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require_once 'include/text.php';
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/**
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* @brief Temporal class
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*/
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class Temporal
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{
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/**
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* @brief Two-level sort for timezones.
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*
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* @param string $a
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* @param string $b
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* @return int
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*/
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private static function timezoneCompareCallback($a, $b)
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{
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if (strstr($a, '/') && strstr($b, '/')) {
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if (L10n::t($a) == L10n::t($b)) {
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return 0;
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}
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return (L10n::t($a) < L10n::t($b)) ? -1 : 1;
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}
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if (strstr($a, '/')) {
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return -1;
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} elseif (strstr($b, '/')) {
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return 1;
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} elseif (L10n::t($a) == L10n::t($b)) {
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return 0;
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}
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return (L10n::t($a) < L10n::t($b)) ? -1 : 1;
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}
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/**
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* @brief Emit a timezone selector grouped (primarily) by continent
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*
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* @param string $current Timezone
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* @return string Parsed HTML output
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*/
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public static function getTimezoneSelect($current = 'America/Los_Angeles')
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{
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$timezone_identifiers = DateTimeZone::listIdentifiers();
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$o = '<select id="timezone_select" name="timezone">';
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usort($timezone_identifiers, [self, 'timezoneCompareCallback']);
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$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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$o .= '</optgroup>';
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}
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$continent = $ex[0];
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$o .= '<optgroup label="' . L10n::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 != L10n::t('Miscellaneous')) {
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$o .= '</optgroup>';
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$continent = L10n::t('Miscellaneous');
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$o .= '<optgroup label="' . L10n::t($continent) . '">';
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}
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}
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$city = str_replace('_', ' ', L10n::t($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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/**
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* @brief Generating a Timezone selector
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*
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* Return a select using 'field_select_raw' template, with timezones
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* grouped (primarily) by continent
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* arguments follow convention as other field_* template array:
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* 'name', 'label', $value, 'help'
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*
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* @param string $name Name of the selector
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* @param string $label Label for the selector
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* @param string $current Timezone
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* @param string $help Help text
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*
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* @return string Parsed HTML
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*/
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public static function getTimezoneField($name = 'timezone', $label = '', $current = 'America/Los_Angeles', $help = '')
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{
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$options = self::getTimezoneSelect($current);
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$options = str_replace('<select id="timezone_select" name="timezone">', '', $options);
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$options = str_replace('</select>', '', $options);
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$tpl = get_markup_template('field_select_raw.tpl');
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return replace_macros($tpl, [
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'$field' => [$name, $label, $current, $help, $options],
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]);
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}
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/**
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* @brief Wrapper for date selector, tailored for use in birthday fields.
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*
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* @param string $dob Date of Birth
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* @return string Formatted HTML
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*/
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public static function getDateofBirthField($dob)
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{
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list($year, $month, $day) = sscanf($dob, '%4d-%2d-%2d');
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if ($dob < '0000-01-01') {
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$value = '';
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} else {
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$value = DateTimeFormat::utc(($year > 1000) ? $dob : '1000-' . $month . '-' . $day, 'Y-m-d');
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}
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$age = (intval($value) ? self::getAgeByTimezone($value, $a->user["timezone"], $a->user["timezone"]) : "");
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$tpl = get_markup_template("field_input.tpl");
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$o = replace_macros($tpl,
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[
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'$field' => [
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'dob',
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L10n::t('Birthday:'),
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$value,
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intval($age) > 0 ? L10n::t('Age: ') . $age : "",
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'',
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'placeholder="' . L10n::t('YYYY-MM-DD or MM-DD') . '"'
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]
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]);
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return $o;
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}
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/**
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* @brief Returns a date selector
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*
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* @param string $min Unix timestamp of minimum date
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* @param string $max Unix timestap of maximum date
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* @param string $default Unix timestamp of default date
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* @param string $id ID and name of datetimepicker (defaults to "datetimepicker")
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*
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* @return string Parsed HTML output.
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*/
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public static function getDateField($min, $max, $default, $id = 'datepicker')
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{
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return self::getDateTimeField($min, $max, $default, '', $id, true, false, '', '');
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}
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/**
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* @brief Returns a time selector
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*
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* @param string $h Already selected hour
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* @param string $m Already selected minute
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* @param string $id ID and name of datetimepicker (defaults to "timepicker")
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*
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* @return string Parsed HTML output.
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*/
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public static function getTimeField($h, $m, $id = 'timepicker')
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{
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return self::getDateTimeField(new DateTime(), new DateTime(), new DateTime("$h:$m"), '', $id, false, true);
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}
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/**
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* @brief Returns a datetime selector.
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*
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* @param DateTime $minDate Minimum date
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* @param DateTime $maxDate Maximum date
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* @param DateTime $defaultDate Default date
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* @param string $id Id and name of datetimepicker (defaults to "datetimepicker")
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* @param bool $pickdate true to show date picker (default)
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* @param bool $picktime true to show time picker (default)
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* @param string $minfrom set minimum date from picker with id $minfrom (none by default)
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* @param string $maxfrom set maximum date from picker with id $maxfrom (none by default)
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* @param bool $required default false
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*
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* @return string Parsed HTML output.
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*
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* @todo Once browser support is better this could probably be replaced with
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* native HTML5 date picker.
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*/
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public static function getDateTimeField(
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DateTime $minDate,
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DateTime $maxDate,
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DateTime $defaultDate,
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$label,
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$id = 'datetimepicker',
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$pickdate = true,
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$picktime = true,
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$minfrom = '',
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$maxfrom = '',
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$required = false)
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{
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// First day of the week (0 = Sunday)
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$firstDay = PConfig::get(local_user(), 'system', 'first_day_of_week', 0);
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$lang = substr(L10n::getBrowserLanguage(), 0, 2);
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// Check if the detected language is supported by the picker
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if (!in_array($lang,
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["ar", "ro", "id", "bg", "fa", "ru", "uk", "en", "el", "de", "nl", "tr", "fr", "es", "th", "pl", "pt", "ch", "se", "kr",
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"it", "da", "no", "ja", "vi", "sl", "cs", "hu"])) {
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$lang = Config::get('system', 'language', 'en');
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}
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$o = '';
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$dateformat = '';
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if ($pickdate) {
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$dateformat .= 'Y-m-d';
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}
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if ($pickdate && $picktime) {
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$dateformat .= ' ';
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}
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if ($picktime) {
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$dateformat .= 'H:i';
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}
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$input_text = $defaultDate ? date($dateformat, $defaultDate->getTimestamp()) : '';
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$readable_format = str_replace(['Y', 'm', 'd', 'H', 'i'], ['yyyy', 'mm', 'dd', 'HH', 'MM'], $dateformat);
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$tpl = get_markup_template('field_datetime.tpl');
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$o .= replace_macros($tpl, [
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'$field' => [
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$id,
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$label,
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$input_text,
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'',
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$required ? '*' : '',
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'placeholder="' . $readable_format . '"'
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],
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'$datetimepicker' => [
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'minDate' => $minDate,
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'maxDate' => $maxDate,
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'defaultDate' => $defaultDate,
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'dateformat' => $dateformat,
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'firstDay' => $firstDay,
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'lang' => $lang,
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'minfrom' => $minfrom,
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'maxfrom' => $maxfrom,
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]
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]);
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return $o;
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}
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/**
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* @brief Returns a relative date string.
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*
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* Implements "3 seconds ago" etc.
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* Based on $posted_date, (UTC).
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* Results relative to current timezone.
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* Limited to range of timestamps.
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*
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* @param string $posted_date MySQL-formatted date string (YYYY-MM-DD HH:MM:SS)
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* @param string $format (optional) Parsed with sprintf()
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* <tt>%1$d %2$s ago</tt>, e.g. 22 hours ago, 1 minute ago
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*
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* @return string with relative date
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*/
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public static function getRelativeDate($posted_date, $format = null)
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{
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$localtime = $posted_date . ' UTC';
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$abs = strtotime($localtime);
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if (is_null($posted_date) || $posted_date <= NULL_DATE || $abs === false) {
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return L10n::t('never');
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}
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$etime = time() - $abs;
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if ($etime < 1) {
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return L10n::t('less than a second ago');
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}
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$a = [12 * 30 * 24 * 60 * 60 => [L10n::t('year'), L10n::t('years')],
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30 * 24 * 60 * 60 => [L10n::t('month'), L10n::t('months')],
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7 * 24 * 60 * 60 => [L10n::t('week'), L10n::t('weeks')],
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24 * 60 * 60 => [L10n::t('day'), L10n::t('days')],
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60 * 60 => [L10n::t('hour'), L10n::t('hours')],
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60 => [L10n::t('minute'), L10n::t('minutes')],
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1 => [L10n::t('second'), L10n::t('seconds')]
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];
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foreach ($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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// translators - e.g. 22 hours ago, 1 minute ago
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if (!$format) {
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$format = L10n::t('%1$d %2$s ago');
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}
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return sprintf($format, $r, (($r == 1) ? $str[0] : $str[1]));
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}
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}
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}
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/**
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* @brief Returns timezone correct age in years.
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*
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* Returns the age in years, given a date of birth, the timezone of the person
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* whose date of birth is provided, and the timezone of the person viewing the
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* result.
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*
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* Why? Bear with me. Let's say I live in Mittagong, Australia, and my birthday
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* is on New Year's. You live in San Bruno, California.
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* When exactly are you going to see my age increase?
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*
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* A: 5:00 AM Dec 31 San Bruno time. That's precisely when I start celebrating
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* and become a year older. If you wish me happy birthday on January 1
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* (San Bruno time), you'll be a day late.
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*
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* @param string $dob Date of Birth
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* @param string $owner_tz (optional) Timezone of the person of interest
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* @param string $viewer_tz (optional) Timezone of the person viewing
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*
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* @return int Age in years
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*/
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public static function getAgeByTimezone($dob, $owner_tz = '', $viewer_tz = '')
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{
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if (!intval($dob)) {
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return 0;
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}
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if (!$owner_tz) {
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$owner_tz = date_default_timezone_get();
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}
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if (!$viewer_tz) {
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$viewer_tz = date_default_timezone_get();
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}
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$birthdate = DateTimeFormat::convert($dob . ' 00:00:00+00:00', $owner_tz, 'UTC', 'Y-m-d');
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list($year, $month, $day) = explode("-", $birthdate);
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$year_diff = DateTimeFormat::timezoneNow($viewer_tz, 'Y') - $year;
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$curr_month = DateTimeFormat::timezoneNow($viewer_tz, 'm');
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$curr_day = DateTimeFormat::timezoneNow($viewer_tz, 'd');
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if (($curr_month < $month) || (($curr_month == $month) && ($curr_day < $day))) {
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$year_diff--;
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}
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return $year_diff;
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}
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/**
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* @brief Get days of a month in a given year.
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*
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* Returns number of days in the month of the given year.
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* $m = 1 is 'January' to match human usage.
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*
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* @param int $y Year
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* @param int $m Month (1=January, 12=December)
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*
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* @return int Number of days in the given month
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*/
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public static function getDaysInMonth($y, $m)
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{
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return date('t', mktime(0, 0, 0, $m, 1, $y));
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}
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/**
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* @brief Returns the first day in month for a given month, year.
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*
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* Months start at 1.
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*
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* @param int $y Year
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* @param int $m Month (1=January, 12=December)
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*
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* @return string day 0 = Sunday through 6 = Saturday
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*/
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private static function getFirstDayInMonth($y, $m)
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{
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$d = sprintf('%04d-%02d-01 00:00', intval($y), intval($m));
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return DateTimeFormat::utc($d, 'w');
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}
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/**
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* @brief Output a calendar for the given month, year.
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*
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* If $links are provided (array), e.g. $links[12] => 'http://mylink' ,
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* date 12 will be linked appropriately. Today's date is also noted by
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* altering td class.
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* Months count from 1.
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*
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* @param int $y Year
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* @param int $m Month
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* @param array $links (default null)
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* @param string $class
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*
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* @return string
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*
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* @todo Provide (prev, next) links, define class variations for different size calendars
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*/
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public static function getCalendarTable($y = 0, $m = 0, $links = null, $class = '')
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{
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// month table - start at 1 to match human usage.
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$mtab = [' ',
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'January', 'February', 'March',
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'April', 'May', 'June',
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'July', 'August', 'September',
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'October', 'November', 'December'
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];
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$thisyear = DateTimeFormat::localNow('Y');
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$thismonth = DateTimeFormat::localNow('m');
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if (!$y) {
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$y = $thisyear;
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}
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if (!$m) {
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$m = intval($thismonth);
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}
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$dn = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
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$f = self::getFirstDayInMonth($y, $m);
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$l = self::getDaysInMonth($y, $m);
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$d = 1;
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$dow = 0;
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$started = false;
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if (($y == $thisyear) && ($m == $thismonth)) {
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$tddate = intval(DateTimeFormat::localNow('j'));
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}
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$str_month = day_translate($mtab[$m]);
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$o = '<table class="calendar' . $class . '">';
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$o .= "<caption>$str_month $y</caption><tr>";
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for ($a = 0; $a < 7; $a ++) {
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$o .= '<th>' . mb_substr(day_translate($dn[$a]), 0, 3, 'UTF-8') . '</th>';
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}
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$o .= '</tr><tr>';
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while ($d <= $l) {
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if (($dow == $f) && (!$started)) {
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$started = true;
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}
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$today = (((isset($tddate)) && ($tddate == $d)) ? "class=\"today\" " : '');
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$o .= "<td $today>";
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$day = str_replace(' ', ' ', sprintf('%2.2d', $d));
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if ($started) {
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if (x($links, $d) !== false) {
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$o .= "<a href=\"{$links[$d]}\">$day</a>";
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} else {
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$o .= $day;
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}
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$d ++;
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} else {
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$o .= ' ';
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}
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$o .= '</td>';
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$dow ++;
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if (($dow == 7) && ($d <= $l)) {
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$dow = 0;
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$o .= '</tr><tr>';
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}
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}
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if ($dow) {
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for ($a = $dow; $a < 7; $a ++) {
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$o .= '<td> </td>';
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}
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}
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$o .= '</tr></table>' . "\r\n";
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return $o;
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}
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}
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