diff options
Diffstat (limited to 'system/helpers/date_helper.php')
| -rw-r--r-- | system/helpers/date_helper.php | 598 |
1 files changed, 316 insertions, 282 deletions
diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php index 9f4c66b4e..24e0b1794 100644 --- a/system/helpers/date_helper.php +++ b/system/helpers/date_helper.php @@ -35,26 +35,29 @@ * @access public
* @return integer
*/
-function now()
+if (! function_exists('now'))
{
- $CI =& get_instance();
-
- if (strtolower($CI->config->item('time_reference')) == 'gmt')
+ function now()
{
- $now = time();
- $system_time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now));
+ $CI =& get_instance();
- if (strlen($system_time) < 10)
+ if (strtolower($CI->config->item('time_reference')) == 'gmt')
{
- $system_time = time();
- log_message('error', 'The Date class could not set a proper GMT timestamp so the local time() value was used.');
- }
+ $now = time();
+ $system_time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now));
- return $system_time;
- }
- else
- {
- return time();
+ if (strlen($system_time) < 10)
+ {
+ $system_time = time();
+ log_message('error', 'The Date class could not set a proper GMT timestamp so the local time() value was used.');
+ }
+
+ return $system_time;
+ }
+ else
+ {
+ return time();
+ }
}
}
@@ -77,16 +80,19 @@ function now() * @param integer
* @return integer
*/
-function mdate($datestr = '', $time = '')
+if (! function_exists('mdate'))
{
- if ($datestr == '')
- return '';
+ function mdate($datestr = '', $time = '')
+ {
+ if ($datestr == '')
+ return '';
- if ($time == '')
- $time = now();
+ if ($time == '')
+ $time = now();
- $datestr = str_replace('%\\', '', preg_replace("/([a-z]+?){1}/i", "\\\\\\1", $datestr));
- return date($datestr, $time);
+ $datestr = str_replace('%\\', '', preg_replace("/([a-z]+?){1}/i", "\\\\\\1", $datestr));
+ return date($datestr, $time);
+ }
}
// ------------------------------------------------------------------------
@@ -101,28 +107,30 @@ function mdate($datestr = '', $time = '') * @param integer Unix timestamp
* @return string
*/
-function standard_date($fmt = 'DATE_RFC822', $time = '')
+if (! function_exists('standard_date'))
{
- $formats = array(
- 'DATE_ATOM' => '%Y-%m-%dT%H:%i:%s%Q',
- 'DATE_COOKIE' => '%l, %d-%M-%y %H:%i:%s UTC',
- 'DATE_ISO8601' => '%Y-%m-%dT%H:%i:%s%O',
- 'DATE_RFC822' => '%D, %d %M %y %H:%i:%s %O',
- 'DATE_RFC850' => '%l, %d-%M-%y %H:%m:%i UTC',
- 'DATE_RFC1036' => '%D, %d %M %y %H:%i:%s %O',
- 'DATE_RFC1123' => '%D, %d %M %Y %H:%i:%s %O',
- 'DATE_RSS' => '%D, %d %M %Y %H:%i:%s %O',
- 'DATE_W3C' => '%Y-%m-%dT%H:%i:%s%Q'
- );
-
- if ( ! isset($formats[$fmt]))
+ function standard_date($fmt = 'DATE_RFC822', $time = '')
{
- return FALSE;
- }
+ $formats = array(
+ 'DATE_ATOM' => '%Y-%m-%dT%H:%i:%s%Q',
+ 'DATE_COOKIE' => '%l, %d-%M-%y %H:%i:%s UTC',
+ 'DATE_ISO8601' => '%Y-%m-%dT%H:%i:%s%O',
+ 'DATE_RFC822' => '%D, %d %M %y %H:%i:%s %O',
+ 'DATE_RFC850' => '%l, %d-%M-%y %H:%m:%i UTC',
+ 'DATE_RFC1036' => '%D, %d %M %y %H:%i:%s %O',
+ 'DATE_RFC1123' => '%D, %d %M %Y %H:%i:%s %O',
+ 'DATE_RSS' => '%D, %d %M %Y %H:%i:%s %O',
+ 'DATE_W3C' => '%Y-%m-%dT%H:%i:%s%Q'
+ );
+
+ if ( ! isset($formats[$fmt]))
+ {
+ return FALSE;
+ }
- return mdate($formats[$fmt], $time);
+ return mdate($formats[$fmt], $time);
+ }
}
-
// ------------------------------------------------------------------------
@@ -137,105 +145,108 @@ function standard_date($fmt = 'DATE_RFC822', $time = '') * @param integer Unix timestamp
* @return integer
*/
-function timespan($seconds = 1, $time = '')
+if (! function_exists('timespan'))
{
- $CI =& get_instance();
- $CI->lang->load('date');
-
- if ( ! is_numeric($seconds))
+ function timespan($seconds = 1, $time = '')
{
- $seconds = 1;
- }
+ $CI =& get_instance();
+ $CI->lang->load('date');
+
+ if ( ! is_numeric($seconds))
+ {
+ $seconds = 1;
+ }
- if ( ! is_numeric($time))
- {
- $time = time();
- }
+ if ( ! is_numeric($time))
+ {
+ $time = time();
+ }
- if ($time <= $seconds)
- {
- $seconds = 1;
- }
- else
- {
- $seconds = $time - $seconds;
- }
+ if ($time <= $seconds)
+ {
+ $seconds = 1;
+ }
+ else
+ {
+ $seconds = $time - $seconds;
+ }
- $str = '';
- $years = floor($seconds / 31536000);
-
- if ($years > 0)
- {
- $str .= $years.' '.$CI->lang->line((($years > 1) ? 'date_years' : 'date_year')).', ';
- }
+ $str = '';
+ $years = floor($seconds / 31536000);
- $seconds -= $years * 31536000;
- $months = floor($seconds / 2628000);
-
- if ($years > 0 OR $months > 0)
- {
- if ($months > 0)
+ if ($years > 0)
{
- $str .= $months.' '.$CI->lang->line((($months > 1) ? 'date_months' : 'date_month')).', ';
+ $str .= $years.' '.$CI->lang->line((($years > 1) ? 'date_years' : 'date_year')).', ';
}
- $seconds -= $months * 2628000;
- }
-
- $weeks = floor($seconds / 604800);
+ $seconds -= $years * 31536000;
+ $months = floor($seconds / 2628000);
- if ($years > 0 OR $months > 0 OR $weeks > 0)
- {
- if ($weeks > 0)
- {
- $str .= $weeks.' '.$CI->lang->line((($weeks > 1) ? 'date_weeks' : 'date_week')).', ';
+ if ($years > 0 OR $months > 0)
+ {
+ if ($months > 0)
+ {
+ $str .= $months.' '.$CI->lang->line((($months > 1) ? 'date_months' : 'date_month')).', ';
+ }
+
+ $seconds -= $months * 2628000;
}
+
+ $weeks = floor($seconds / 604800);
+
+ if ($years > 0 OR $months > 0 OR $weeks > 0)
+ {
+ if ($weeks > 0)
+ {
+ $str .= $weeks.' '.$CI->lang->line((($weeks > 1) ? 'date_weeks' : 'date_week')).', ';
+ }
- $seconds -= $weeks * 604800;
- }
+ $seconds -= $weeks * 604800;
+ }
- $days = floor($seconds / 86400);
+ $days = floor($seconds / 86400);
- if ($months > 0 OR $weeks > 0 OR $days > 0)
- {
- if ($days > 0)
- {
- $str .= $days.' '.$CI->lang->line((($days > 1) ? 'date_days' : 'date_day')).', ';
- }
+ if ($months > 0 OR $weeks > 0 OR $days > 0)
+ {
+ if ($days > 0)
+ {
+ $str .= $days.' '.$CI->lang->line((($days > 1) ? 'date_days' : 'date_day')).', ';
+ }
- $seconds -= $days * 86400;
- }
+ $seconds -= $days * 86400;
+ }
- $hours = floor($seconds / 3600);
+ $hours = floor($seconds / 3600);
- if ($days > 0 OR $hours > 0)
- {
- if ($hours > 0)
+ if ($days > 0 OR $hours > 0)
{
- $str .= $hours.' '.$CI->lang->line((($hours > 1) ? 'date_hours' : 'date_hour')).', ';
- }
+ if ($hours > 0)
+ {
+ $str .= $hours.' '.$CI->lang->line((($hours > 1) ? 'date_hours' : 'date_hour')).', ';
+ }
- $seconds -= $hours * 3600;
- }
+ $seconds -= $hours * 3600;
+ }
- $minutes = floor($seconds / 60);
+ $minutes = floor($seconds / 60);
- if ($days > 0 OR $hours > 0 OR $minutes > 0)
- {
- if ($minutes > 0)
- {
- $str .= $minutes.' '.$CI->lang->line((($minutes > 1) ? 'date_minutes' : 'date_minute')).', ';
- }
+ if ($days > 0 OR $hours > 0 OR $minutes > 0)
+ {
+ if ($minutes > 0)
+ {
+ $str .= $minutes.' '.$CI->lang->line((($minutes > 1) ? 'date_minutes' : 'date_minute')).', ';
+ }
- $seconds -= $minutes * 60;
- }
+ $seconds -= $minutes * 60;
+ }
- if ($str == '')
- {
- $str .= $seconds.' '.$CI->lang->line((($seconds > 1) ? 'date_seconds' : 'date_second')).', ';
- }
+ if ($str == '')
+ {
+ $str .= $seconds.' '.$CI->lang->line((($seconds > 1) ? 'date_seconds' : 'date_second')).', ';
+ }
- return substr(trim($str), 0, -1);
+ return substr(trim($str), 0, -1);
+ }
}
// ------------------------------------------------------------------------
@@ -251,28 +262,31 @@ function timespan($seconds = 1, $time = '') * @param integer a numeric year
* @return integer
*/
-function days_in_month($month = 0, $year = '')
+if (! function_exists('days_in_month'))
{
- if ($month < 1 OR $month > 12)
+ function days_in_month($month = 0, $year = '')
{
- return 0;
- }
+ if ($month < 1 OR $month > 12)
+ {
+ return 0;
+ }
- if ( ! is_numeric($year) OR strlen($year) != 4)
- {
- $year = date('Y');
- }
+ if ( ! is_numeric($year) OR strlen($year) != 4)
+ {
+ $year = date('Y');
+ }
- if ($month == 2)
- {
- if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))
+ if ($month == 2)
{
- return 29;
+ if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))
+ {
+ return 29;
+ }
}
- }
- $days_in_month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
- return $days_in_month[$month - 1];
+ $days_in_month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
+ return $days_in_month[$month - 1];
+ }
}
// ------------------------------------------------------------------------
@@ -284,12 +298,15 @@ function days_in_month($month = 0, $year = '') * @param integer Unix timestamp
* @return integer
*/
-function local_to_gmt($time = '')
+if (! function_exists('local_to_gmt'))
{
- if ($time == '')
- $time = time();
+ function local_to_gmt($time = '')
+ {
+ if ($time == '')
+ $time = time();
- return mktime( gmdate("H", $time), gmdate("i", $time), gmdate("s", $time), gmdate("m", $time), gmdate("d", $time), gmdate("Y", $time));
+ return mktime( gmdate("H", $time), gmdate("i", $time), gmdate("s", $time), gmdate("m", $time), gmdate("d", $time), gmdate("Y", $time));
+ }
}
// ------------------------------------------------------------------------
@@ -307,21 +324,24 @@ function local_to_gmt($time = '') * @param bool whether DST is active
* @return integer
*/
-function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE)
-{
- if ($time == '')
- {
- return now();
- }
+if (! function_exists('gmt_to_local'))
+{
+ function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE)
+ {
+ if ($time == '')
+ {
+ return now();
+ }
- $time += timezones($timezone) * 3600;
+ $time += timezones($timezone) * 3600;
- if ($dst == TRUE)
- {
- $time += 3600;
- }
+ if ($dst == TRUE)
+ {
+ $time += 3600;
+ }
- return $time;
+ return $time;
+ }
}
// ------------------------------------------------------------------------
@@ -333,25 +353,28 @@ function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE) * @param integer Unix timestamp
* @return integer
*/
-function mysql_to_unix($time = '')
+if (! function_exists('mysql_to_unix'))
{
- // We'll remove certain characters for backward compatibility
- // since the formatting changed with MySQL 4.1
- // YYYY-MM-DD HH:MM:SS
-
- $time = str_replace('-', '', $time);
- $time = str_replace(':', '', $time);
- $time = str_replace(' ', '', $time);
-
- // YYYYMMDDHHMMSS
- return mktime(
- substr($time, 8, 2),
- substr($time, 10, 2),
- substr($time, 12, 2),
- substr($time, 4, 2),
- substr($time, 6, 2),
- substr($time, 0, 4)
- );
+ function mysql_to_unix($time = '')
+ {
+ // We'll remove certain characters for backward compatibility
+ // since the formatting changed with MySQL 4.1
+ // YYYY-MM-DD HH:MM:SS
+
+ $time = str_replace('-', '', $time);
+ $time = str_replace(':', '', $time);
+ $time = str_replace(' ', '', $time);
+
+ // YYYYMMDDHHMMSS
+ return mktime(
+ substr($time, 8, 2),
+ substr($time, 10, 2),
+ substr($time, 12, 2),
+ substr($time, 4, 2),
+ substr($time, 6, 2),
+ substr($time, 0, 4)
+ );
+ }
}
// ------------------------------------------------------------------------
@@ -367,30 +390,33 @@ function mysql_to_unix($time = '') * @param string format: us or euro
* @return string
*/
-function unix_to_human($time = '', $seconds = FALSE, $fmt = 'us')
+if (! function_exists('unix_to_human'))
{
- $r = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' ';
-
- if ($fmt == 'us')
+ function unix_to_human($time = '', $seconds = FALSE, $fmt = 'us')
{
- $r .= date('h', $time).':'.date('i', $time);
- }
- else
- {
- $r .= date('H', $time).':'.date('i', $time);
- }
+ $r = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' ';
+
+ if ($fmt == 'us')
+ {
+ $r .= date('h', $time).':'.date('i', $time);
+ }
+ else
+ {
+ $r .= date('H', $time).':'.date('i', $time);
+ }
- if ($seconds)
- {
- $r .= ':'.date('s', $time);
- }
+ if ($seconds)
+ {
+ $r .= ':'.date('s', $time);
+ }
- if ($fmt == 'us')
- {
- $r .= ' '.date('A', $time);
- }
+ if ($fmt == 'us')
+ {
+ $r .= ' '.date('A', $time);
+ }
- return $r;
+ return $r;
+ }
}
// ------------------------------------------------------------------------
@@ -404,59 +430,62 @@ function unix_to_human($time = '', $seconds = FALSE, $fmt = 'us') * @param string format: us or euro
* @return integer
*/
-function human_to_unix($datestr = '')
+if (! function_exists('human_to_unix'))
{
- if ($datestr == '')
+ function human_to_unix($datestr = '')
{
- return FALSE;
- }
+ if ($datestr == '')
+ {
+ return FALSE;
+ }
- $datestr = trim($datestr);
- $datestr = preg_replace("/\040+/", "\040", $datestr);
+ $datestr = trim($datestr);
+ $datestr = preg_replace("/\040+/", "\040", $datestr);
- if ( ! ereg("^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\040[0-9]{1,2}:[0-9]{1,2}.*$", $datestr))
- {
- return FALSE;
- }
+ if ( ! ereg("^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\040[0-9]{1,2}:[0-9]{1,2}.*$", $datestr))
+ {
+ return FALSE;
+ }
- $split = preg_split("/\040/", $datestr);
+ $split = preg_split("/\040/", $datestr);
- $ex = explode("-", $split['0']);
+ $ex = explode("-", $split['0']);
- $year = (strlen($ex['0']) == 2) ? '20'.$ex['0'] : $ex['0'];
- $month = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
- $day = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
+ $year = (strlen($ex['0']) == 2) ? '20'.$ex['0'] : $ex['0'];
+ $month = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
+ $day = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
- $ex = explode(":", $split['1']);
+ $ex = explode(":", $split['1']);
- $hour = (strlen($ex['0']) == 1) ? '0'.$ex['0'] : $ex['0'];
- $min = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
+ $hour = (strlen($ex['0']) == 1) ? '0'.$ex['0'] : $ex['0'];
+ $min = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
- if (isset($ex['2']) AND ereg("[0-9]{1,2}", $ex['2']))
- {
- $sec = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
- }
- else
- {
- // Unless specified, seconds get set to zero.
- $sec = '00';
- }
+ if (isset($ex['2']) AND ereg("[0-9]{1,2}", $ex['2']))
+ {
+ $sec = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
+ }
+ else
+ {
+ // Unless specified, seconds get set to zero.
+ $sec = '00';
+ }
- if (isset($split['2']))
- {
- $ampm = strtolower($split['2']);
+ if (isset($split['2']))
+ {
+ $ampm = strtolower($split['2']);
- if (substr($ampm, 0, 1) == 'p' AND $hour < 12)
- $hour = $hour + 12;
+ if (substr($ampm, 0, 1) == 'p' AND $hour < 12)
+ $hour = $hour + 12;
- if (substr($ampm, 0, 1) == 'a' AND $hour == 12)
- $hour = '00';
+ if (substr($ampm, 0, 1) == 'a' AND $hour == 12)
+ $hour = '00';
- if (strlen($hour) == 1)
- $hour = '0'.$hour;
- }
+ if (strlen($hour) == 1)
+ $hour = '0'.$hour;
+ }
- return mktime($hour, $min, $sec, $month, $day, $year);
+ return mktime($hour, $min, $sec, $month, $day, $year);
+ }
}
// ------------------------------------------------------------------------
@@ -472,32 +501,35 @@ function human_to_unix($datestr = '') * @param string menu name
* @return string
*/
-function timezone_menu($default = 'UTC', $class = "", $name = 'timezones')
+if (! function_exists('timezone_menu'))
{
- $CI =& get_instance();
- $CI->lang->load('date');
+ function timezone_menu($default = 'UTC', $class = "", $name = 'timezones')
+ {
+ $CI =& get_instance();
+ $CI->lang->load('date');
- if ($default == 'GMT')
- $default = 'UTC';
+ if ($default == 'GMT')
+ $default = 'UTC';
- $menu = '<select name="'.$name.'"';
+ $menu = '<select name="'.$name.'"';
- if ($class != '')
- {
- $menu .= ' class="'.$class.'"';
- }
+ if ($class != '')
+ {
+ $menu .= ' class="'.$class.'"';
+ }
- $menu .= ">\n";
+ $menu .= ">\n";
- foreach (timezones() as $key => $val)
- {
- $selected = ($default == $key) ? " selected='selected'" : '';
- $menu .= "<option value='{$key}'{$selected}>".$CI->lang->line($key)."</option>\n";
- }
+ foreach (timezones() as $key => $val)
+ {
+ $selected = ($default == $key) ? " selected='selected'" : '';
+ $menu .= "<option value='{$key}'{$selected}>".$CI->lang->line($key)."</option>\n";
+ }
- $menu .= "</select>";
+ $menu .= "</select>";
- return $menu;
+ return $menu;
+ }
}
// ------------------------------------------------------------------------
@@ -512,54 +544,56 @@ function timezone_menu($default = 'UTC', $class = "", $name = 'timezones') * @param string timezone
* @return string
*/
-function timezones($tz = '')
+if (! function_exists('timezones'))
{
- // Note: Don't change the order of these even though
- // some items appear to be in the wrong order
+ function timezones($tz = '')
+ {
+ // Note: Don't change the order of these even though
+ // some items appear to be in the wrong order
- $zones = array(
- 'UM12' => -12,
- 'UM11' => -11,
- 'UM10' => -10,
- 'UM9' => -9,
- 'UM8' => -8,
- 'UM7' => -7,
- 'UM6' => -6,
- 'UM5' => -5,
- 'UM4' => -4,
- 'UM25' => -2.5,
- 'UM3' => -3,
- 'UM2' => -2,
- 'UM1' => -1,
- 'UTC' => 0,
- 'UP1' => +1,
- 'UP2' => +2,
- 'UP3' => +3,
- 'UP25' => +2.5,
- 'UP4' => +4,
- 'UP35' => +3.5,
- 'UP5' => +5,
- 'UP45' => +4.5,
- 'UP6' => +6,
- 'UP7' => +7,
- 'UP8' => +8,
- 'UP9' => +9,
- 'UP85' => +8.5,
- 'UP10' => +10,
- 'UP11' => +11,
- 'UP12' => +12
- );
+ $zones = array(
+ 'UM12' => -12,
+ 'UM11' => -11,
+ 'UM10' => -10,
+ 'UM9' => -9,
+ 'UM8' => -8,
+ 'UM7' => -7,
+ 'UM6' => -6,
+ 'UM5' => -5,
+ 'UM4' => -4,
+ 'UM25' => -2.5,
+ 'UM3' => -3,
+ 'UM2' => -2,
+ 'UM1' => -1,
+ 'UTC' => 0,
+ 'UP1' => +1,
+ 'UP2' => +2,
+ 'UP3' => +3,
+ 'UP25' => +2.5,
+ 'UP4' => +4,
+ 'UP35' => +3.5,
+ 'UP5' => +5,
+ 'UP45' => +4.5,
+ 'UP6' => +6,
+ 'UP7' => +7,
+ 'UP8' => +8,
+ 'UP9' => +9,
+ 'UP85' => +8.5,
+ 'UP10' => +10,
+ 'UP11' => +11,
+ 'UP12' => +12
+ );
- if ($tz == '')
- {
- return $zones;
- }
+ if ($tz == '')
+ {
+ return $zones;
+ }
- if ($tz == 'GMT')
- $tz = 'UTC';
+ if ($tz == 'GMT')
+ $tz = 'UTC';
- return ( ! isset($zones[$tz])) ? 0 : $zones[$tz];
+ return ( ! isset($zones[$tz])) ? 0 : $zones[$tz];
+ }
}
-
?>
\ No newline at end of file |