diff options
Diffstat (limited to 'system/helpers/date_helper.php')
| -rw-r--r-- | system/helpers/date_helper.php | 221 |
1 files changed, 97 insertions, 124 deletions
diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php index b4517d02e..955d74542 100644 --- a/system/helpers/date_helper.php +++ b/system/helpers/date_helper.php @@ -42,29 +42,28 @@ if ( ! function_exists('now')) /** * Get "now" time * - * Returns time() or its GMT equivalent based on the config file preference + * Returns time() based on the timezone parameter or on the + * "time_reference" setting * + * @param string * @return int */ - function now() + function now($timezone = NULL) { - $CI =& get_instance(); - - if (strtolower($CI->config->item('time_reference')) == 'gmt') + if (empty($timezone)) { - $now = time(); - $system_time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now)); - - if (strlen($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.'); - } + $timezone = config_item('time_reference'); + } - return $system_time; + if ($timezone === 'local' OR $timezone === date_default_timezone_get()) + { + return time(); } - return time(); + $datetime = new DateTime('now', new DateTimeZone($timezone)); + sscanf($datetime->format('j-n-Y G:i:s'), '%d-%d-%d %d:%d:%d', $day, $month, $year, $hour, $minute, $second); + + return mktime($hour, $minute, $second, $month, $day, $year); } } @@ -90,12 +89,14 @@ if ( ! function_exists('mdate')) */ function mdate($datestr = '', $time = '') { - if ($datestr == '') + if ($datestr === '') { return ''; } - - $time = ($time == '') ? now() : $time; + elseif (empty($time)) + { + $time = now(); + } $datestr = str_replace( '%\\', @@ -116,31 +117,37 @@ if ( ! function_exists('standard_date')) * * Returns a date formatted according to the submitted standard. * + * As of PHP 5.2, the DateTime extension provides constants that + * serve for the exact same purpose and are used with date(). + * Due to that, this function is DEPRECATED and should be removed + * in CodeIgniter 3.1+. + * + * Here are two examples of how you should replace it: + * + * date(DATE_RFC822, now()); // default + * date(DATE_W3C, $time); // a different format and time + * + * Reference: http://www.php.net/manual/en/class.datetime.php#datetime.constants.types + * + * @deprecated * @param string the chosen format * @param int Unix timestamp * @return string */ - function standard_date($fmt = 'DATE_RFC822', $time = '') + function standard_date($fmt = 'DATE_RFC822', $time = NULL) { - $formats = array( - 'DATE_ATOM' => '%Y-%m-%dT%H:%i:%s%O', - 'DATE_COOKIE' => '%l, %d-%M-%y %H:%i:%s UTC', - 'DATE_ISO8601' => '%Y-%m-%dT%H:%i:%s%O', - 'DATE_RFC822' => '%D, %d %M %y %H:%i:%s %O', - 'DATE_RFC850' => '%l, %d-%M-%y %H:%i:%s UTC', - 'DATE_RFC1036' => '%D, %d %M %y %H:%i:%s %O', - 'DATE_RFC1123' => '%D, %d %M %Y %H:%i:%s %O', - 'DATE_RFC2822' => '%D, %d %M %Y %H:%i:%s %O', - 'DATE_RSS' => '%D, %d %M %Y %H:%i:%s %O', - 'DATE_W3C' => '%Y-%m-%dT%H:%i:%s%O' - ); - - if ( ! isset($formats[$fmt])) + if (empty($time)) + { + $time = now(); + } + + // Procedural style pre-defined constants from the DateTime extension + if (strpos($fmt, 'DATE_') !== 0 OR defined($fmt) === FALSE) { return FALSE; } - return mdate($formats[$fmt], $time); + return date(constant($fmt), $time); } } @@ -164,20 +171,9 @@ if ( ! function_exists('timespan')) $CI =& get_instance(); $CI->lang->load('date'); - if ( ! is_numeric($seconds)) - { - $seconds = 1; - } - - if ( ! is_numeric($time)) - { - $time = time(); - } - - if ( ! is_numeric($units)) - { - $units = 7; - } + is_numeric($seconds) OR $seconds = 1; + is_numeric($time) OR $time = time(); + is_numeric($units) OR $units = 7; $seconds = ($time <= $seconds) ? 1 : $time - $seconds; @@ -186,7 +182,7 @@ if ( ! function_exists('timespan')) if ($years > 0) { - $str[] = $years.' '.$CI->lang->line((($years > 1) ? 'date_years' : 'date_year')); + $str[] = $years.' '.$CI->lang->line($years > 1 ? 'date_years' : 'date_year'); } $seconds -= $years * 31557600; @@ -196,7 +192,7 @@ if ( ! function_exists('timespan')) { if ($months > 0) { - $str[] = $months.' '.$CI->lang->line((($months > 1) ? 'date_months' : 'date_month')); + $str[] = $months.' '.$CI->lang->line($months > 1 ? 'date_months' : 'date_month'); } $seconds -= $months * 2629743; @@ -208,7 +204,7 @@ if ( ! function_exists('timespan')) { if ($weeks > 0) { - $str[] = $weeks.' '.$CI->lang->line((($weeks > 1) ? 'date_weeks' : 'date_week')); + $str[] = $weeks.' '.$CI->lang->line($weeks > 1 ? 'date_weeks' : 'date_week'); } $seconds -= $weeks * 604800; @@ -220,7 +216,7 @@ if ( ! function_exists('timespan')) { if ($days > 0) { - $str[] = $days.' '.$CI->lang->line((($days > 1) ? 'date_days' : 'date_day')); + $str[] = $days.' '.$CI->lang->line($days > 1 ? 'date_days' : 'date_day'); } $seconds -= $days * 86400; @@ -232,7 +228,7 @@ if ( ! function_exists('timespan')) { if ($hours > 0) { - $str[] = $hours.' '.$CI->lang->line((($hours > 1) ? 'date_hours' : 'date_hour')); + $str[] = $hours.' '.$CI->lang->line($hours > 1 ? 'date_hours' : 'date_hour'); } $seconds -= $hours * 3600; @@ -244,7 +240,7 @@ if ( ! function_exists('timespan')) { if ($minutes > 0) { - $str[] = $minutes.' '.$CI->lang->line((($minutes > 1) ? 'date_minutes' : 'date_minute')); + $str[] = $minutes.' '.$CI->lang->line($minutes > 1 ? 'date_minutes' : 'date_minute'); } $seconds -= $minutes * 60; @@ -252,7 +248,7 @@ if ( ! function_exists('timespan')) if (count($str) === 0) { - $str[] = $seconds.' '.$CI->lang->line((($seconds > 1) ? 'date_seconds' : 'date_second')); + $str[] = $seconds.' '.$CI->lang->line($seconds > 1 ? 'date_seconds' : 'date_second'); } return implode(', ', $str); @@ -279,15 +275,19 @@ if ( ! function_exists('days_in_month')) { return 0; } - - if ( ! is_numeric($year) OR strlen($year) != 4) + elseif ( ! is_numeric($year) OR strlen($year) !== 4) { $year = date('Y'); } + if ($year >= 1970) + { + return (int) date('t', mktime(12, 0, 0, $month, 1, $year)); + } + if ($month == 2) { - if ($year % 400 == 0 OR ($year % 4 == 0 && $year % 100 != 0)) + if ($year % 400 === 0 OR ($year % 4 === 0 && $year % 100 !== 0)) { return 29; } @@ -310,17 +310,17 @@ if ( ! function_exists('local_to_gmt')) */ function local_to_gmt($time = '') { - if ($time == '') + if ($time === '') { $time = time(); } return mktime( - gmdate('H', $time), + gmdate('G', $time), gmdate('i', $time), gmdate('s', $time), - gmdate('m', $time), - gmdate('d', $time), + gmdate('n', $time), + gmdate('j', $time), gmdate('Y', $time) ); } @@ -344,19 +344,14 @@ if ( ! function_exists('gmt_to_local')) */ function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE) { - if ($time == '') + if ($time === '') { return now(); } $time += timezones($timezone) * 3600; - if ($dst == TRUE) - { - $time += 3600; - } - - return $time; + return ($dst === TRUE) ? $time + 3600 : $time; } } @@ -376,9 +371,7 @@ if ( ! function_exists('mysql_to_unix')) // 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); + $time = str_replace(array('-', ':', ' '), '', $time); // YYYYMMDDHHMMSS return mktime( @@ -408,9 +401,9 @@ if ( ! function_exists('unix_to_human')) */ function unix_to_human($time = '', $seconds = FALSE, $fmt = 'us') { - $r = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' '; + $r = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' '; - if ($fmt == 'us') + if ($fmt === 'us') { $r .= date('h', $time).':'.date('i', $time); } @@ -424,9 +417,9 @@ if ( ! function_exists('unix_to_human')) $r .= ':'.date('s', $time); } - if ($fmt == 'us') + if ($fmt === 'us') { - $r .= ' '.date('A', $time); + return $r.' '.date('A', $time); } return $r; @@ -447,58 +440,40 @@ if ( ! function_exists('human_to_unix')) */ function human_to_unix($datestr = '') { - if ($datestr == '') + if ($datestr === '') { return FALSE; } $datestr = preg_replace('/\040+/', ' ', trim($datestr)); - if ( ! preg_match('/^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\s[0-9]{1,2}:[0-9]{1,2}(?::[0-9]{1,2})?(?:\s[AP]M)?$/i', $datestr)) + if ( ! preg_match('/^(\d{2}|\d{4})\-[0-9]{1,2}\-[0-9]{1,2}\s[0-9]{1,2}:[0-9]{1,2}(?::[0-9]{1,2})?(?:\s[AP]M)?$/i', $datestr)) { return FALSE; } $split = explode(' ', $datestr); - $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] : $ex[2]; + list($year, $month, $day) = explode('-', $split[0]); $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 = (int) $ex[0]; + $min = (int) $ex[1]; + $sec = ( ! empty($ex[2]) && preg_match('/[0-9]{1,2}/', $ex[2])) + ? (int) $ex[2] : 0; - if (isset($ex['2']) && preg_match('/[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'])) + if (isset($split[2])) { $ampm = strtolower($split[2]); - if (substr($ampm, 0, 1) === 'p' && $hour < 12) + if ($ampm[0] === 'p' && $hour < 12) { $hour += 12; } - - if (substr($ampm, 0, 1) === 'a' && $hour == 12) - { - $hour = '00'; - } - - if (strlen($hour) === 1) + elseif ($ampm[0] === 'a' && $hour === 12) { - $hour = '0'.$hour; + $hour = 0; } } @@ -524,9 +499,13 @@ if ( ! function_exists('nice_date')) { return 'Unknown'; } + elseif (empty($format)) + { + $format = 'U'; + } // Date like: YYYYMM - if (preg_match('/^\d{6}$/', $bad_date)) + if (preg_match('/^\d{6}$/i', $bad_date)) { if (in_array(substr($bad_date, 0, 2), array('19', '20'))) { @@ -543,26 +522,21 @@ if ( ! function_exists('nice_date')) } // Date Like: YYYYMMDD - if (preg_match('/^\d{8}$/', $bad_date)) + if (preg_match('/^(\d{2})\d{2}(\d{4})$/i', $bad_date, $matches)) { - $month = substr($bad_date, 0, 2); - $day = substr($bad_date, 2, 2); - $year = substr($bad_date, 4, 4); - - return date($format, strtotime($month.'/01/'.$year)); + return date($format, strtotime($matches[1].'/01/'.$matches[2])); } // Date Like: MM-DD-YYYY __or__ M-D-YYYY (or anything in between) - if (preg_match('/^\d{1,2}-\d{1,2}-\d{4}$/', $bad_date)) + if (preg_match('/^(\d{1,2})-(\d{1,2})-(\d{4})$/i', $bad_date, $matches)) { - list($m, $d, $y) = explode('-', $bad_date); - return date($format, strtotime($y.'-'.$m.'-'.$d)); + return date($format, strtotime($matches[3].'-'.$matches[1].'-'.$matches[2])); } // Any other kind of string, when converted into UNIX time, // produces "0 seconds after epoc..." is probably bad... // return "Invalid Date". - if (date('U', strtotime($bad_date)) == '0') + if (date('U', strtotime($bad_date)) === '0') { return 'Invalid Date'; } @@ -584,27 +558,28 @@ if ( ! function_exists('timezone_menu')) * @param string timezone * @param string classname * @param string menu name + * @param mixed attributes * @return string */ - function timezone_menu($default = 'UTC', $class = '', $name = 'timezones') + function timezone_menu($default = 'UTC', $class = '', $name = 'timezones', $attributes = '') { $CI =& get_instance(); $CI->lang->load('date'); - $default = ($default == 'GMT') ? 'UTC' : $default; + $default = ($default === 'GMT') ? 'UTC' : $default; $menu = '<select name="'.$name.'"'; - if ($class != '') + if ($class !== '') { $menu .= ' class="'.$class.'"'; } - $menu .= ">\n"; + $menu .= _stringify_attributes($attributes).">\n"; foreach (timezones() as $key => $val) { - $selected = ($default == $key) ? ' selected="selected"' : ''; + $selected = ($default === $key) ? ' selected="selected"' : ''; $menu .= '<option value="'.$key.'"'.$selected.'>'.$CI->lang->line($key)."</option>\n"; } @@ -673,13 +648,11 @@ if ( ! function_exists('timezones')) 'UP14' => +14 ); - if ($tz == '') + if ($tz === '') { return $zones; } - $tz = ($tz == 'GMT') ? 'UTC' : $tz; - return isset($zones[$tz]) ? $zones[$tz] : 0; } } |