PHP Surfer::get_gmt_offset方法代码示例

 /**
  * get form fields to change the day
  *
  * @see overlays/overlay.php
  *
  * @param array hosting attributes
  * @return a list of ($label, $input, $hint)
  */
 function get_fields($host, $field_pos = NULL)
 {
     global $context;
     $options = '<input type="hidden" name="time_stamp" value="12:00" />' . '<input type="hidden" name="duration" value="1440" />';
     // default value is now
     if (!isset($this->attributes['date_stamp']) || $this->attributes['date_stamp'] <= NULL_DATE) {
         $this->attributes['date_stamp'] = gmstrftime('%Y-%m-%d %H:%M', time() + Surfer::get_gmt_offset() * 3600);
     } else {
         $this->attributes['date_stamp'] = Surfer::from_GMT($this->attributes['date_stamp']);
     }
     // split date from time
     list($date, $time) = explode(' ', $this->attributes['date_stamp']);
     // event time
     $label = i18n::s('Date');
     $input = Skin::build_input_time('date_stamp', $date, 'date') . $options;
     $hint = i18n::s('Use format YYYY-MM-DD');
     $fields[] = array($label, $input, $hint);
     // ensure that we do have a date
     Page::insert_script('func' . 'tion validateOnSubmit(container) {' . "\n" . "\n" . '	if(!Yacs.trim(container.date_stamp.value)) {' . "\n" . '		alert("' . i18n::s('Please provide a date.') . '");' . "\n" . '		container.date_stamp.focus();' . "\n" . '		Yacs.stopWorking();' . "\n" . '		return false;' . "\n" . '	}' . "\n\n" . '	return true;' . "\n" . '}' . "\n");
     return $fields;
 }

 /**
  * add some tabs
  *
  * Manage the event in a separate panel
  *
  * Accepted action codes:
  * - 'edit' - embedded into the main form page
  *
  * @see overlays/overlay.php
  *
  * @param string the on-going action
  * @param array the hosting record
  * @return an array of array('tab_id', 'tab_label', 'panel_id', 'panel_content') or NULL
  */
 function &get_tabs($variant = 'view', $host = NULL)
 {
     global $context, $local;
     // returned tabs
     $tabs = array();
     $now = strftime('%Y-%m-%d %H:%M:%S', time() + (Surfer::get_gmt_offset() - intval($context['gmt_offset'])) * 3600);
     // trackings
     //
     $manage = '';
     $fields = array();
     // manage the event
     if ($variant == 'edit') {
         // event preparation
         $manage .= Skin::build_block(i18n::s('Event preparation'), 'header2');
         // induction message
         $label = i18n::s('Induction message');
         if (!isset($this->attributes['induction_message'])) {
             $this->attributes['induction_message'] = $this->get_induction_default_message();
         }
         $input = Surfer::get_editor('induction_message', $this->attributes['induction_message']);
         $hint = i18n::s('Displayed until the beginning of the event.');
         $fields[] = array($label, $input, $hint);
         // other event details
         $fields = array_merge($fields, $this->get_event_fields());
         // should we manage enrolment?
         if ($this->with_enrolment()) {
             // enrolment
             $label = i18n::s('Enrolment');
             // none
             if (!isset($this->attributes['enrolment'])) {
                 $this->attributes['enrolment'] = 'none';
             }
             $input = '<input type="radio" name="enrolment" value="none"';
             if (!isset($this->attributes['enrolment']) || $this->attributes['enrolment'] == 'none') {
                 $input .= ' checked="checked"';
             }
             $input .= '/> ' . i18n::s('Any page visitor can participate') . BR;
             // apply-and-validate
             $input .= '<input type="radio" name="enrolment" value="validate"';
             if (!isset($this->attributes['enrolment']) || $this->attributes['enrolment'] == 'validate') {
                 $input .= ' checked="checked"';
             }
             $input .= '/> ' . i18n::s('Accept applications, to be confirmed by page owner') . BR;
             // manual registration
             $input .= '<input type="radio" name="enrolment" value="manual"';
             if (isset($this->attributes['enrolment']) && $this->attributes['enrolment'] == 'manual') {
                 $input .= ' checked="checked"';
             }
             $input .= '/> ' . i18n::s('Registration is managed by page owner') . BR;
             // expand the form
             $fields[] = array($label, $input);
         }
         $manage .= Skin::build_form($fields);
         $fields = array();
         // meeting initiation
         $manage .= Skin::build_block(i18n::s('During the event'), 'header2');
         // lobby message
         $label = i18n::s('Lobby message');
         if (!isset($this->attributes['lobby_message'])) {
             $this->attributes['lobby_message'] = $this->get_lobby_default_message();
         }
         $input = '<textarea name="lobby_message" rows="2" cols="50">' . encode_field($this->attributes['lobby_message']) . '</textarea>';
         $hint = i18n::s('Displayed one hour ahead the beginning of the event.');
         $fields[] = array($label, $input, $hint);
         // welcome message
         $label = i18n::s('Welcome message');
         if (!isset($this->attributes['welcome_message'])) {
             $this->attributes['welcome_message'] = '';
         }
         $input = Surfer::get_editor('welcome_message', $this->attributes['welcome_message']);
         $hint = i18n::s('Displayed only during the event.');
         $fields[] = array($label, $input, $hint);
         // assemble the form
         $manage .= Skin::build_form($fields);
         $fields = array();
         // event follow-up
         $manage .= Skin::build_block(i18n::s('After the event'), 'header2');
         // splash message
         $label = i18n::s('Follow-up message');
         if (!isset($this->attributes['follow_up_message'])) {
             $this->attributes['follow_up_message'] = $this->get_follow_up_default_message();
         }
         $input = Surfer::get_editor('follow_up_message', $this->attributes['follow_up_message']);
         $hint = i18n::s('Congratulate participants, and drive people to complementary information or action.');
         $fields[] = array($label, $input, $hint);
         $manage .= Skin::build_form($fields);
//.........这里部分代码省略.........

 /**
  * adjust a date to UTC time zone
  *
  * Use this function to convert dates received from surfer time zone
  * before saving them in the database.
  *
  * You should apply this function only to data received from web forms.
  *
  * @param string a stamp written on the 'YYYY-MM-DD HH:MM:SS' model
  * @return string a rewrite of the stamp in the UTC time zone
  */
 public static function to_GMT($stamp)
 {
     // sanity check
     if (!isset($stamp) || $stamp <= NULL_DATE) {
         return $stamp;
     }
     // time in surfer time zone
     $stamp = mktime(intval(substr($stamp, 11, 2)), intval(substr($stamp, 14, 2)), intval(substr($stamp, 17, 2)), intval(substr($stamp, 5, 2)), intval(substr($stamp, 8, 2)), intval(substr($stamp, 0, 4)));
     // shift to UTC time zone
     return strftime('%Y-%m-%d %H:%M:%S', $stamp - Surfer::get_gmt_offset() * 3600);
 }

 /**
  * format a time stamp
  *
  * Accept either a time stamp, or a formatted string as input parameter:
  * - YYYY-MM-DD HH:MM:SS
  * - YYMMDD HH:MM:SS GMT
  *
  * @param int or string the time to be displayed
  * @param string the variant -- reserved for future use
  * @param string the language to express this stamp
  * @return string the HTML to be used
  */
 public static function &build_time($stamp, $variant = NULL, $language = NULL)
 {
     global $context, $local;
     // return by reference
     $output = '';
     // sanity check
     if (!isset($stamp) || !$stamp) {
         return $output;
     }
     // surfer offset
     $surfer_offset = Surfer::get_gmt_offset();
     // YYMMDD-HH:MM:SS GMT -- this one is natively GMT
     if (preg_match('/GMT$/', $stamp) && strlen($stamp) == 19) {
         // YYMMDD-HH:MM:SS GMT -> HH, MM, SS, MM, DD, YY
         $actual_stamp = mktime(substr($stamp, 7, 2), substr($stamp, 10, 2), substr($stamp, 13, 2), substr($stamp, 2, 2), substr($stamp, 4, 2), substr($stamp, 0, 2));
         // adjust to surfer time zone
         $actual_stamp += $surfer_offset * 3600;
         // time()-like stamp
     } elseif (intval($stamp) > 1000000000) {
         // adjust to surfer time zone
         $actual_stamp = intval($stamp) + $surfer_offset * 3600;
         // YYYY-MM-DD HH:MM:SS, or a string that can be readed
     } elseif (($actual_stamp = strtotime($stamp)) != -1) {
         // adjust to surfer time zone
         $actual_stamp += $surfer_offset * 3600;
     } else {
         $output = '*' . $stamp . '*';
         return $output;
     }
     if (!($items = @getdate($actual_stamp))) {
         $output = '*' . $stamp . '*';
         return $output;
     }
     // if undefined language, use surfer language
     if (!$language) {
         $language = $context['language'];
     }
     // format the time
     $local['label_en'] = date('h:i a', $actual_stamp);
     $local['label_fr'] = date('H:i', $actual_stamp);
     $output = i18n::user('label');
     return $output;
 }

 /**
  * stamp an article
  *
  * This function is used to change various dates for one article.
  *
  * [*] If a publication date is provided, it is saved along the article.
  * An optional expiry date will be saved as well.
  *
  * [*] If only an expiry date is provided, it is saved along the article.
  *
  * [*] If no date is provided, the review field is updated to the current date and time.
  *
  * Dates are supposed to be in UTC time zone.
  *
  * The name of the surfer is registered as the official publisher.
  * As an alternative, publisher attributes ('name', 'id' and 'address') can be provided
  * in parameters.
  *
  * @param int the id of the item to publish
  * @param string the target publication date, if any
  * @param string the target expiration date, if any
  * @param array attributes of the publisher, if any
  * @return string either a null string, or some text describing an error to be inserted into the html response
  *
  * @see articles/publish.php
  * @see sections/manage.php
  **/
 public static function stamp($id, $publication = NULL, $expiry = NULL, $publisher = NULL)
 {
     global $context;
     // id cannot be empty
     if (!$id || !is_numeric($id)) {
         return i18n::s('No item has the provided id.');
     }
     // server offset
     $server_offset = 0;
     if (isset($context['gmt_offset'])) {
         $server_offset = intval($context['gmt_offset']);
     }
     // surfer offset
     $surfer_offset = Surfer::get_gmt_offset();
     // no publication time is provided
     if (!isset($publication) || !$publication) {
         $publication_stamp = 0;
     } elseif (preg_match('/GMT$/', $publication) && strlen($publication) == 19) {
         // YYMMDD-HH:MM:SS GMT -> HH, MM, SS, MM, DD, YY
         $publication_stamp = gmmktime(intval(substr($publication, 7, 2)), intval(substr($publication, 10, 2)), intval(substr($publication, 13, 2)), intval(substr($publication, 2, 2)), intval(substr($publication, 4, 2)), intval(substr($publication, 0, 2)));
         // time()-like stamp
     } elseif (intval($publication) > 1000000000) {
         // adjust to UTC time zone
         $publication_stamp = intval($publication) + $context['gmt_offset'] * 3600;
         // YYYY-MM-DD HH:MM:SS, or a string that can be readed
     } elseif (($publication_stamp = SQL::strtotime($publication)) != -1) {
     } else {
         return sprintf(i18n::s('"%s" is not a valid date'), $publication);
     }
     // no expiry date
     if (!isset($expiry) || !$expiry) {
         $expiry_stamp = 0;
     } elseif (preg_match('/GMT$/', $expiry) && strlen($expiry) == 19) {
         // YYMMDD-HH:MM:SS GMT -> HH, MM, SS, MM, DD, YY
         $expiry_stamp = gmmktime(substr($expiry, 7, 2), substr($expiry, 10, 2), substr($expiry, 13, 2), substr($expiry, 2, 2), substr($expiry, 4, 2), substr($expiry, 0, 2));
         // time()-like stamp
     } elseif (intval($expiry) > 1000000000) {
         // adjust to server time zone
         $expiry_stamp = intval($expiry) + $context['gmt_offset'] * 3600;
         // YYYY-MM-DD HH:MM:SS, or a string that can be readed
     } elseif (($expiry_stamp = SQL::strtotime($expiry)) != -1) {
     } else {
         return sprintf(i18n::s('"%s" is not a valid date'), $expiry);
     }
     // review date
     $review_stamp = 0;
     if (!$publication_stamp && !$expiry_stamp) {
         $review_stamp = time();
     }
     // shape the query
     $query = array();
     if ($publication_stamp > 0) {
         $query[] = "publish_name='" . SQL::escape(isset($publisher['name']) ? $publisher['name'] : Surfer::get_name()) . "'," . "publish_id=" . SQL::escape(isset($publisher['id']) ? $publisher['id'] : Surfer::get_id()) . "," . "publish_address='" . SQL::escape(isset($publisher['address']) ? $publisher['address'] : Surfer::get_email_address()) . "'," . "publish_date='" . gmstrftime('%Y-%m-%d %H:%M:%S', $publication_stamp) . "'," . "edit_name='" . SQL::escape(isset($publisher['name']) ? $publisher['name'] : Surfer::get_name()) . "'," . "edit_id=" . SQL::escape(isset($publisher['id']) ? $publisher['id'] : Surfer::get_id()) . "," . "edit_address='" . SQL::escape(isset($publisher['address']) ? $publisher['address'] : Surfer::get_email_address()) . "'," . "edit_action='article:publish'," . "edit_date='" . gmstrftime('%Y-%m-%d %H:%M:%S') . "'";
     }
     if ($expiry_stamp > 0) {
         $query[] = "expiry_date='" . gmstrftime('%Y-%m-%d %H:%M:%S', $expiry_stamp) . "'";
     }
     if ($review_stamp > 0) {
         $query[] = "review_date='" . gmstrftime('%Y-%m-%d %H:%M:%S', $review_stamp) . "'";
     }
     // update an existing record
     $query = "UPDATE " . SQL::table_name('articles') . " SET " . implode(',', $query) . " WHERE id = " . SQL::escape($id);
     if (SQL::query($query) === FALSE) {
         return NULL;
     }
     // remember the publication in weekly and monthly categories
     if ($publication_stamp > 0) {
         Categories::remember('article:' . $id, gmstrftime('%Y-%m-%d %H:%M:%S', $publication_stamp));
     }
     // end of job
     return NULL;
 }

 /**
  * add some tabs
  *
  * Display additional information in panels.
  *
  * Accepted action codes:
  * - 'edit' - embedded into the main form page
  *
  * @see overlays/overlay.php
  *
  * @param string the on-going action
  * @param array the hosting record
  * @return an array of array('tab_id', 'tab_label', 'panel_id', 'panel_content') or NULL
  */
 function &get_tabs($variant = 'view', $host = NULL)
 {
     global $context, $local;
     // returned tabs
     $tabs = array();
     $now = strftime('%Y-%m-%d %H:%M:%S', time() + (Surfer::get_gmt_offset() - intval($context['gmt_offset'])) * 3600);
     // trackings
     //
     $tracking = '';
     // only associates and page owners can change the status
     if ($variant == 'edit' && isset($this->anchor) && $this->anchor->is_owned()) {
         // a table of fields
         $fields = array();
         // owner
         $label = i18n::s('Owner');
         if (isset($host['owner_id']) && ($user = Users::get($host['owner_id']))) {
             $value = $user['nick_name'];
         } else {
             $value = '';
         }
         $input = '<input type="text" name="owner" id="owner" value ="' . encode_field($value) . '" size="25" maxlength="32" />';
         $hint = i18n::s('Type some letters of the name and select in the list');
         $fields[] = array($label, $input, $hint);
         // enable owner autocompletion
         Page::insert_script('$(function() { Yacs.autocomplete_names("owner",true); });');
         // priority
         $label = i18n::s('Priority');
         if (!isset($this->attributes['color'])) {
             $this->attributes['color'] = 'green';
         }
         $input = self::get_color_as_radio_buttons($this->attributes['color']);
         $fields[] = array($label, $input);
         // type
         $label = i18n::s('Workflow');
         if (!isset($this->attributes['type'])) {
             $this->attributes['type'] = 'incident';
         }
         $input = '<select name="type" id="type">' . self::get_type_options($this->attributes['type']) . '</select>';
         $fields[] = array($label, $input);
         // format these fields
         $tracking .= Skin::build_form($fields);
         $fields = array();
         // to represent transitions from one step to the next one
         Skin::define_img('NEXT_STEP', 'overlays/next_step.gif', 'V');
         // status
         if (!isset($this->attributes['status'])) {
             $this->attributes['status'] = 'on-going:suspect';
         }
         // create_date
         if (!isset($host['create_date']) || !$host['create_date']) {
             $host['create_date'] = gmstrftime('%Y-%m-%d %H:%M:%S');
         }
         $host['create_date'] = Surfer::from_GMT($host['create_date']);
         if ($this->attributes['type'] == 'feature') {
             $label = i18n::s('Feature request has been created on %s');
         } elseif ($this->attributes['type'] == 'patch') {
             $label = i18n::s('Patch has been submitted on %s');
         } else {
             $label = i18n::s('Page has been created on %s');
         }
         $tracking .= '<div class="bottom" style="margin-bottom: 1em;">' . sprintf($label, Skin::build_input_time('create_date', $host['create_date'], 'date_time') . ' <a onclick="$(\'#create_date\').val(\'' . $now . '\')" style="cursor: pointer;" class="details">' . i18n::s('now') . '</a>') . '</div>';
         $tracking .= NEXT_STEP;
         // qualification_date
         if (isset($this->attributes['qualification_date'])) {
             $this->attributes['qualification_date'] = Surfer::from_GMT($this->attributes['qualification_date']);
         }
         $tracking .= '<div style="margin-top: 1em">' . sprintf(i18n::s('Qualification has taken place on %s'), Skin::build_input_time('qualification_date', isset($this->attributes['qualification_date']) ? $this->attributes['qualification_date'] : NULL_DATE, 'date_time') . ' <a onclick="$(\'#qualification_date\').val(\'' . $now . '\')" style="cursor: pointer;" class="details">' . i18n::s('now') . '</a>') . '<p>';
         $checked = '';
         if (isset($this->attributes['status']) && $this->attributes['status'] == 'on-going:problem') {
             $checked = 'checked="checked"';
         }
         $tracking .= '<input type="radio" name="status" value ="on-going:problem" ' . $checked . ' />&nbsp;' . $this->get_status_label('on-going:problem');
         $checked = '';
         if (isset($this->attributes['status']) && $this->attributes['status'] == 'cancelled:suspect') {
             $checked = 'checked="checked"';
         }
         $tracking .= BR . '<input type="radio" name="status" value ="cancelled:suspect" ' . $checked . ' />&nbsp;' . $this->get_status_label('cancelled:suspect') . '</p></div>';
         $tracking .= NEXT_STEP;
         // analysis_date, except for maintenance cases
         if ($this->attributes['type'] != 'maintenance') {
             if (isset($this->attributes['analysis_date'])) {
                 $this->attributes['analysis_date'] = Surfer::from_GMT($this->attributes['analysis_date']);
             }
             $tracking .= '<div style="margin-top: 1em">' . sprintf(i18n::s('Analysis has ended on %s'), Skin::build_input_time('analysis_date', isset($this->attributes['analysis_date']) ? $this->attributes['analysis_date'] : NULL_DATE, 'date_time') . ' <a onclick="$(\'#analysis_date\').val(\'' . $now . '\')" style="cursor: pointer;" class="details">' . i18n::s('now') . '</a>') . '<p>';
             $checked = '';
             if (isset($this->attributes['status']) && $this->attributes['status'] == 'on-going:issue') {
//.........这里部分代码省略.........

        $context['text'] .= Skin::build_block($follow_up, 'bottom');
    }
    // display the form on GET
} else {
    $with_form = TRUE;
}
// display the form
if ($with_form) {
    // the form
    $context['text'] .= '<form method="post" action="' . $context['script_url'] . '" id="main_form"><div>';
    // encode fields
    $fields = array();
    // the publication date, if any
    $label = i18n::s('Publication date');
    // adjust date from server time zone to surfer time zone
    $value = strftime('%Y-%m-%d %H:%M:%S', time() + (Surfer::get_gmt_offset() - intval($context['gmt_offset'])) * 3600);
    $input = Skin::build_input_time('publish_date', $value, 'date_time');
    $hint = i18n::s('Indicate a date (YYYY-MM-DD) in the future and let YACS make the page appear automatically.');
    $fields[] = array($label, $input, $hint);
    // advertise public pages
    $ping_option = FALSE;
    $trackback_option = FALSE;
    if ($anchor->is_public() && (isset($item['active']) && $item['active'] == 'Y')) {
        $ping_option = TRUE;
        $trackback_option = TRUE;
    }
    // trackback option
    $label = i18n::s('Trackback');
    $input = '<input type="radio" name="trackback_option" value="N"';
    if (!$trackback_option) {
        $input .= ' checked="checked"';

 /**
  * put something into the cache
  *
  * You can store an array or another kind of structured object, but after
  * serialization.
  *
  * The default caching period is 20 minutes (actually, 20m*60s = 1,200s)
  *
  * @param string the id of this item
  * @param string the content to store
  * @param string the topic related to this item
  * @param int the maximum time before expiration, in seconds
  */
 public static function put($id, &$text, $topic = 'global', $duration = 1200, $f_capa = true, $f_lang = true, $f_gmt_off = true)
 {
     global $context;
     // maybe we don't have to cache
     if (isset($context['without_cache']) && $context['without_cache'] == 'Y') {
         return;
     }
     // cache has been poisoned
     if (isset($context['cache_has_been_poisoned']) && $context['cache_has_been_poisoned']) {
         return;
     }
     // the sql back-end may be not available during software updates or on NO_MODEL_PRELOAD
     if (!is_callable(array('SQL', 'query'))) {
         return;
     }
     // cached content depends on surfer capability
     if ($f_capa) {
         $id .= '/' . Surfer::get_capability();
     }
     // cached content depends on selected language
     if ($f_lang) {
         $id .= '/' . $context['language'];
     }
     // cached content depends on time offset
     if ($f_gmt_off) {
         $id .= '/' . Surfer::get_gmt_offset();
     }
     // don't cache more than expected
     $expiry = gmstrftime('%Y-%m-%d %H:%M:%S', time() + $duration);
     // cache also empty content
     if (!$text) {
         $text = ' ';
     }
     // update the database; do not report on error
     $query = "REPLACE INTO " . SQL::table_name('cache') . " SET" . " id='" . SQL::escape($id) . "'," . " text='" . SQL::escape($text) . "'," . " topic='" . SQL::escape($topic) . "'," . " expiry_date='" . $expiry . "'," . " edit_date='" . gmstrftime('%Y-%m-%d %H:%M:%S') . "'";
     SQL::query($query, TRUE);
 }