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authorFlorian Pritz <bluewind@xinu.at>2017-09-26 13:46:14 +0200
committerFlorian Pritz <bluewind@xinu.at>2017-09-26 13:46:14 +0200
commit3ff6ffa3341c876b741feb66552cdd110b67872e (patch)
tree69e11cd0009ddd1346f2dc4cd8c47244368db28e /system/helpers/date_helper.php
parentbc2f7f596f727e204e8b8c5b849545745b3cbfaa (diff)
parent81a4c8c630ef59cffea0c24e64fb6fa7f09bfcf6 (diff)
Merge CodeIgniter 3 support
Diffstat (limited to 'system/helpers/date_helper.php')
-rw-r--r--system/helpers/date_helper.php771
1 files changed, 451 insertions, 320 deletions
diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php
index 27aa48241..bb1504260 100644
--- a/system/helpers/date_helper.php
+++ b/system/helpers/date_helper.php
@@ -1,19 +1,41 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
*
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license http://opensource.org/licenses/MIT MIT License
+ * @link https://codeigniter.com
+ * @since Version 1.0.0
* @filesource
*/
-
-// ------------------------------------------------------------------------
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* CodeIgniter Date Helpers
@@ -21,184 +43,177 @@
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/helpers/date_helper.html
+ * @author EllisLab Dev Team
+ * @link https://codeigniter.com/user_guide/helpers/date_helper.html
*/
// ------------------------------------------------------------------------
-/**
- * Get "now" time
- *
- * Returns time() or its GMT equivalent based on the config file preference
- *
- * @access public
- * @return integer
- */
if ( ! function_exists('now'))
{
- function now()
+ /**
+ * Get "now" time
+ *
+ * Returns time() based on the timezone parameter or on the
+ * "time_reference" setting
+ *
+ * @param string
+ * @return int
+ */
+ 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.');
- }
-
- return $system_time;
+ $timezone = config_item('time_reference');
}
- else
+
+ if ($timezone === 'local' OR $timezone === date_default_timezone_get())
{
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, $year);
}
}
// ------------------------------------------------------------------------
-/**
- * Convert MySQL Style Datecodes
- *
- * This function is identical to PHPs date() function,
- * except that it allows date codes to be formatted using
- * the MySQL style, where each code letter is preceded
- * with a percent sign: %Y %m %d etc...
- *
- * The benefit of doing dates this way is that you don't
- * have to worry about escaping your text letters that
- * match the date codes.
- *
- * @access public
- * @param string
- * @param integer
- * @return integer
- */
if ( ! function_exists('mdate'))
{
+ /**
+ * Convert MySQL Style Datecodes
+ *
+ * This function is identical to PHPs date() function,
+ * except that it allows date codes to be formatted using
+ * the MySQL style, where each code letter is preceded
+ * with a percent sign: %Y %m %d etc...
+ *
+ * The benefit of doing dates this way is that you don't
+ * have to worry about escaping your text letters that
+ * match the date codes.
+ *
+ * @param string
+ * @param int
+ * @return int
+ */
function mdate($datestr = '', $time = '')
{
- if ($datestr == '')
+ if ($datestr === '')
+ {
return '';
-
- if ($time == '')
+ }
+ elseif (empty($time))
+ {
$time = now();
+ }
+
+ $datestr = str_replace(
+ '%\\',
+ '',
+ preg_replace('/([a-z]+?){1}/i', '\\\\\\1', $datestr)
+ );
- $datestr = str_replace('%\\', '', preg_replace("/([a-z]+?){1}/i", "\\\\\\1", $datestr));
return date($datestr, $time);
}
}
// ------------------------------------------------------------------------
-/**
- * Standard Date
- *
- * Returns a date formatted according to the submitted standard.
- *
- * @access public
- * @param string the chosen format
- * @param integer Unix timestamp
- * @return string
- */
if ( ! function_exists('standard_date'))
{
- function standard_date($fmt = 'DATE_RFC822', $time = '')
+ /**
+ * 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().
+ *
+ * @todo Remove in version 3.1+.
+ * @deprecated 3.0.0 Use PHP's native date() instead.
+ * @link http://www.php.net/manual/en/class.datetime.php#datetime.constants.types
+ *
+ * @example date(DATE_RFC822, now()); // default
+ * @example date(DATE_W3C, $time); // a different format and time
+ *
+ * @param string $fmt = 'DATE_RFC822' the chosen format
+ * @param int $time = NULL Unix timestamp
+ * @return string
+ */
+ function standard_date($fmt = 'DATE_RFC822', $time = NULL)
{
- $formats = array(
- 'DATE_ATOM' => '%Y-%m-%dT%H:%i:%s%Q',
- 'DATE_COOKIE' => '%l, %d-%M-%y %H:%i:%s UTC',
- 'DATE_ISO8601' => '%Y-%m-%dT%H:%i:%s%Q',
- 'DATE_RFC822' => '%D, %d %M %y %H:%i:%s %O',
- 'DATE_RFC850' => '%l, %d-%M-%y %H:%i:%s UTC',
- 'DATE_RFC1036' => '%D, %d %M %y %H:%i:%s %O',
- 'DATE_RFC1123' => '%D, %d %M %Y %H:%i:%s %O',
- 'DATE_RSS' => '%D, %d %M %Y %H:%i:%s %O',
- 'DATE_W3C' => '%Y-%m-%dT%H:%i:%s%Q'
- );
-
- if ( ! isset($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), $time);
}
}
// ------------------------------------------------------------------------
-/**
- * Timespan
- *
- * Returns a span of seconds in this format:
- * 10 days 14 hours 36 minutes 47 seconds
- *
- * @access public
- * @param integer a number of seconds
- * @param integer Unix timestamp
- * @return integer
- */
if ( ! function_exists('timespan'))
{
- function timespan($seconds = 1, $time = '')
+ /**
+ * Timespan
+ *
+ * Returns a span of seconds in this format:
+ * 10 days 14 hours 36 minutes 47 seconds
+ *
+ * @param int a number of seconds
+ * @param int Unix timestamp
+ * @param int a number of display units
+ * @return string
+ */
+ function timespan($seconds = 1, $time = '', $units = 7)
{
$CI =& get_instance();
$CI->lang->load('date');
- if ( ! is_numeric($seconds))
- {
- $seconds = 1;
- }
-
- if ( ! is_numeric($time))
- {
- $time = time();
- }
+ is_numeric($seconds) OR $seconds = 1;
+ is_numeric($time) OR $time = time();
+ is_numeric($units) OR $units = 7;
- if ($time <= $seconds)
- {
- $seconds = 1;
- }
- else
- {
- $seconds = $time - $seconds;
- }
+ $seconds = ($time <= $seconds) ? 1 : $time - $seconds;
- $str = '';
- $years = floor($seconds / 31536000);
+ $str = array();
+ $years = floor($seconds / 31557600);
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 * 31536000;
- $months = floor($seconds / 2628000);
+ $seconds -= $years * 31557600;
+ $months = floor($seconds / 2629743);
- if ($years > 0 OR $months > 0)
+ if (count($str) < $units && ($years > 0 OR $months > 0))
{
if ($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 * 2628000;
+ $seconds -= $months * 2629743;
}
$weeks = floor($seconds / 604800);
- if ($years > 0 OR $months > 0 OR $weeks > 0)
+ if (count($str) < $units && ($years > 0 OR $months > 0 OR $weeks > 0))
{
if ($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;
@@ -206,11 +221,11 @@ if ( ! function_exists('timespan'))
$days = floor($seconds / 86400);
- if ($months > 0 OR $weeks > 0 OR $days > 0)
+ if (count($str) < $units && ($months > 0 OR $weeks > 0 OR $days > 0))
{
if ($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;
@@ -218,11 +233,11 @@ if ( ! function_exists('timespan'))
$hours = floor($seconds / 3600);
- if ($days > 0 OR $hours > 0)
+ if (count($str) < $units && ($days > 0 OR $hours > 0))
{
if ($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;
@@ -230,55 +245,63 @@ if ( ! function_exists('timespan'))
$minutes = floor($seconds / 60);
- if ($days > 0 OR $hours > 0 OR $minutes > 0)
+ if (count($str) < $units && ($days > 0 OR $hours > 0 OR $minutes > 0))
{
if ($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 -= $minutes * 60;
}
- if ($str == '')
+ if (count($str) === 0)
{
- $str .= $seconds.' '.$CI->lang->line((($seconds > 1) ? 'date_seconds' : 'date_second')).', ';
+ $str[] = $seconds.' '.$CI->lang->line($seconds > 1 ? 'date_seconds' : 'date_second');
}
- return substr(trim($str), 0, -1);
+ return implode(', ', $str);
}
}
// ------------------------------------------------------------------------
-/**
- * Number of days in a month
- *
- * Takes a month/year as input and returns the number of days
- * for the given month/year. Takes leap years into consideration.
- *
- * @access public
- * @param integer a numeric month
- * @param integer a numeric year
- * @return integer
- */
if ( ! function_exists('days_in_month'))
{
+ /**
+ * Number of days in a month
+ *
+ * Takes a month/year as input and returns the number of days
+ * for the given month/year. Takes leap years into consideration.
+ *
+ * @param int a numeric month
+ * @param int a numeric year
+ * @return int
+ */
function days_in_month($month = 0, $year = '')
{
if ($month < 1 OR $month > 12)
{
return 0;
}
-
- if ( ! is_numeric($year) OR strlen($year) != 4)
+ elseif ( ! is_numeric($year) OR strlen($year) !== 4)
{
$year = date('Y');
}
+ if (defined('CAL_GREGORIAN'))
+ {
+ return cal_days_in_month(CAL_GREGORIAN, $month, $year);
+ }
+
+ if ($year >= 1970)
+ {
+ return (int) date('t', mktime(12, 0, 0, $month, 1, $year));
+ }
+
if ($month == 2)
{
- if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))
+ if ($year % 400 === 0 OR ($year % 4 === 0 && $year % 100 !== 0))
{
return 29;
}
@@ -291,112 +314,110 @@ if ( ! function_exists('days_in_month'))
// ------------------------------------------------------------------------
-/**
- * Converts a local Unix timestamp to GMT
- *
- * @access public
- * @param integer Unix timestamp
- * @return integer
- */
if ( ! function_exists('local_to_gmt'))
{
+ /**
+ * Converts a local Unix timestamp to GMT
+ *
+ * @param int Unix timestamp
+ * @return int
+ */
function local_to_gmt($time = '')
{
- if ($time == '')
+ if ($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('G', $time),
+ gmdate('i', $time),
+ gmdate('s', $time),
+ gmdate('n', $time),
+ gmdate('j', $time),
+ gmdate('Y', $time)
+ );
}
}
// ------------------------------------------------------------------------
-/**
- * Converts GMT time to a localized value
- *
- * Takes a Unix timestamp (in GMT) as input, and returns
- * at the local value based on the timezone and DST setting
- * submitted
- *
- * @access public
- * @param integer Unix timestamp
- * @param string timezone
- * @param bool whether DST is active
- * @return integer
- */
if ( ! function_exists('gmt_to_local'))
{
+ /**
+ * Converts GMT time to a localized value
+ *
+ * Takes a Unix timestamp (in GMT) as input, and returns
+ * at the local value based on the timezone and DST setting
+ * submitted
+ *
+ * @param int Unix timestamp
+ * @param string timezone
+ * @param bool whether DST is active
+ * @return int
+ */
function gmt_to_local($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 : $time;
}
}
// ------------------------------------------------------------------------
-/**
- * Converts a MySQL Timestamp to Unix
- *
- * @access public
- * @param integer Unix timestamp
- * @return integer
- */
if ( ! function_exists('mysql_to_unix'))
{
+ /**
+ * Converts a MySQL Timestamp to Unix
+ *
+ * @param int MySQL timestamp YYYY-MM-DD HH:MM:SS
+ * @return int Unix timstamp
+ */
function mysql_to_unix($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);
+ $time = str_replace(array('-', ':', ' '), '', $time);
// YYYYMMDDHHMMSS
- return mktime(
- substr($time, 8, 2),
- substr($time, 10, 2),
- substr($time, 12, 2),
- substr($time, 4, 2),
- substr($time, 6, 2),
- substr($time, 0, 4)
- );
+ return mktime(
+ substr($time, 8, 2),
+ substr($time, 10, 2),
+ substr($time, 12, 2),
+ substr($time, 4, 2),
+ substr($time, 6, 2),
+ substr($time, 0, 4)
+ );
}
}
// ------------------------------------------------------------------------
-/**
- * Unix to "Human"
- *
- * Formats Unix timestamp to the following prototype: 2006-08-21 11:35 PM
- *
- * @access public
- * @param integer Unix timestamp
- * @param bool whether to show seconds
- * @param string format: us or euro
- * @return string
- */
if ( ! function_exists('unix_to_human'))
{
+ /**
+ * Unix to "Human"
+ *
+ * Formats Unix timestamp to the following prototype: 2006-08-21 11:35 PM
+ *
+ * @param int Unix timestamp
+ * @param bool whether to show seconds
+ * @param string format: us or euro
+ * @return string
+ */
function unix_to_human($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);
}
@@ -410,9 +431,9 @@ 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 $r;
@@ -421,191 +442,301 @@ if ( ! function_exists('unix_to_human'))
// ------------------------------------------------------------------------
-/**
- * Convert "human" date to GMT
- *
- * Reverses the above process
- *
- * @access public
- * @param string format: us or euro
- * @return integer
- */
if ( ! function_exists('human_to_unix'))
{
+ /**
+ * Convert "human" date to GMT
+ *
+ * Reverses the above process
+ *
+ * @param string format: us or euro
+ * @return int
+ */
function human_to_unix($datestr = '')
{
- if ($datestr == '')
+ if ($datestr === '')
{
return FALSE;
}
- $datestr = trim($datestr);
- $datestr = preg_replace("/\040+/", ' ', $datestr);
+ $datestr = preg_replace('/\040+/', ' ', trim($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(' ', $datestr);
+ sscanf($datestr, '%d-%d-%d %s %s', $year, $month, $day, $time, $ampm);
+ sscanf($time, '%d:%d:%d', $hour, $min, $sec);
+ isset($sec) OR $sec = 0;
- $ex = explode("-", $split['0']);
+ if (isset($ampm))
+ {
+ $ampm = strtolower($ampm);
- $year = (strlen($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'] : $ex['2'];
+ if ($ampm[0] === 'p' && $hour < 12)
+ {
+ $hour += 12;
+ }
+ elseif ($ampm[0] === 'a' && $hour === 12)
+ {
+ $hour = 0;
+ }
+ }
- $ex = explode(":", $split['1']);
+ return mktime($hour, $min, $sec, $month, $day, $year);
+ }
+}
- $hour = (strlen($ex['0']) == 1) ? '0'.$ex['0'] : $ex['0'];
- $min = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
+// ------------------------------------------------------------------------
- if (isset($ex['2']) && preg_match('/[0-9]{1,2}/', $ex['2']))
+if ( ! function_exists('nice_date'))
+{
+ /**
+ * Turns many "reasonably-date-like" strings into something
+ * that is actually useful. This only works for dates after unix epoch.
+ *
+ * @deprecated 3.1.3 Use DateTime::createFromFormat($input_format, $input)->format($output_format);
+ * @param string The terribly formatted date-like string
+ * @param string Date format to return (same as php date function)
+ * @return string
+ */
+ function nice_date($bad_date = '', $format = FALSE)
+ {
+ if (empty($bad_date))
{
- $sec = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
+ return 'Unknown';
}
- else
+ elseif (empty($format))
{
- // Unless specified, seconds get set to zero.
- $sec = '00';
+ $format = 'U';
}
- if (isset($split['2']))
+ // Date like: YYYYMM
+ if (preg_match('/^\d{6}$/i', $bad_date))
{
- $ampm = strtolower($split['2']);
+ if (in_array(substr($bad_date, 0, 2), array('19', '20')))
+ {
+ $year = substr($bad_date, 0, 4);
+ $month = substr($bad_date, 4, 2);
+ }
+ else
+ {
+ $month = substr($bad_date, 0, 2);
+ $year = substr($bad_date, 2, 4);
+ }
- if (substr($ampm, 0, 1) == 'p' AND $hour < 12)
- $hour = $hour + 12;
+ return date($format, strtotime($year.'-'.$month.'-01'));
+ }
- if (substr($ampm, 0, 1) == 'a' AND $hour == 12)
- $hour = '00';
+ // Date Like: YYYYMMDD
+ if (preg_match('/^\d{8}$/i', $bad_date, $matches))
+ {
+ return DateTime::createFromFormat('Ymd', $bad_date)->format($format);
+ }
- if (strlen($hour) == 1)
- $hour = '0'.$hour;
+ // Date Like: MM-DD-YYYY __or__ M-D-YYYY (or anything in between)
+ if (preg_match('/^(\d{1,2})-(\d{1,2})-(\d{4})$/i', $bad_date, $matches))
+ {
+ return date($format, strtotime($matches[3].'-'.$matches[1].'-'.$matches[2]));
}
- return mktime($hour, $min, $sec, $month, $day, $year);
+ // Any other kind of string, when converted into UNIX time,
+ // produces "0 seconds after epoc..." is probably bad...
+ // return "Invalid Date".
+ if (date('U', strtotime($bad_date)) === '0')
+ {
+ return 'Invalid Date';
+ }
+
+ // It's probably a valid-ish date format already
+ return date($format, strtotime($bad_date));
}
}
// ------------------------------------------------------------------------
-/**
- * Timezone Menu
- *
- * Generates a drop-down menu of timezones.
- *
- * @access public
- * @param string timezone
- * @param string classname
- * @param string menu name
- * @return string
- */
if ( ! function_exists('timezone_menu'))
{
- function timezone_menu($default = 'UTC', $class = "", $name = 'timezones')
+ /**
+ * Timezone Menu
+ *
+ * Generates a drop-down menu of timezones.
+ *
+ * @param string timezone
+ * @param string classname
+ * @param string menu name
+ * @param mixed attributes
+ * @return string
+ */
+ function timezone_menu($default = 'UTC', $class = '', $name = 'timezones', $attributes = '')
{
$CI =& get_instance();
$CI->lang->load('date');
- if ($default == 'GMT')
- $default = 'UTC';
+ $default = ($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'" : '';
- $menu .= "<option value='{$key}'{$selected}>".$CI->lang->line($key)."</option>\n";
+ $selected = ($default === $key) ? ' selected="selected"' : '';
+ $menu .= '<option value="'.$key.'"'.$selected.'>'.$CI->lang->line($key)."</option>\n";
}
- $menu .= "</select>";
-
- return $menu;
+ return $menu.'</select>';
}
}
// ------------------------------------------------------------------------
-/**
- * Timezones
- *
- * Returns an array of timezones. This is a helper function
- * for various other ones in this library
- *
- * @access public
- * @param string timezone
- * @return string
- */
if ( ! function_exists('timezones'))
{
+ /**
+ * Timezones
+ *
+ * Returns an array of timezones. This is a helper function
+ * for various other ones in this library
+ *
+ * @param string timezone
+ * @return string
+ */
function timezones($tz = '')
{
// Note: Don't change the order of these even though
// some items appear to be in the wrong order
$zones = array(
- 'UM12' => -12,
- 'UM11' => -11,
- 'UM10' => -10,
- 'UM95' => -9.5,
- 'UM9' => -9,
- 'UM8' => -8,
- 'UM7' => -7,
- 'UM6' => -6,
- 'UM5' => -5,
- 'UM45' => -4.5,
- 'UM4' => -4,
- 'UM35' => -3.5,
- 'UM3' => -3,
- 'UM2' => -2,
- 'UM1' => -1,
- 'UTC' => 0,
- 'UP1' => +1,
- 'UP2' => +2,
- 'UP3' => +3,
- 'UP35' => +3.5,
- 'UP4' => +4,
- 'UP45' => +4.5,
- 'UP5' => +5,
- 'UP55' => +5.5,
- 'UP575' => +5.75,
- 'UP6' => +6,
- 'UP65' => +6.5,
- 'UP7' => +7,
- 'UP8' => +8,
- 'UP875' => +8.75,
- 'UP9' => +9,
- 'UP95' => +9.5,
- 'UP10' => +10,
- 'UP105' => +10.5,
- 'UP11' => +11,
- 'UP115' => +11.5,
- 'UP12' => +12,
- 'UP1275' => +12.75,
- 'UP13' => +13,
- 'UP14' => +14
- );
-
- if ($tz == '')
+ 'UM12' => -12,
+ 'UM11' => -11,
+ 'UM10' => -10,
+ 'UM95' => -9.5,
+ 'UM9' => -9,
+ 'UM8' => -8,
+ 'UM7' => -7,
+ 'UM6' => -6,
+ 'UM5' => -5,
+ 'UM45' => -4.5,
+ 'UM4' => -4,
+ 'UM35' => -3.5,
+ 'UM3' => -3,
+ 'UM2' => -2,
+ 'UM1' => -1,
+ 'UTC' => 0,
+ 'UP1' => +1,
+ 'UP2' => +2,
+ 'UP3' => +3,
+ 'UP35' => +3.5,
+ 'UP4' => +4,
+ 'UP45' => +4.5,
+ 'UP5' => +5,
+ 'UP55' => +5.5,
+ 'UP575' => +5.75,
+ 'UP6' => +6,
+ 'UP65' => +6.5,
+ 'UP7' => +7,
+ 'UP8' => +8,
+ 'UP875' => +8.75,
+ 'UP9' => +9,
+ 'UP95' => +9.5,
+ 'UP10' => +10,
+ 'UP105' => +10.5,
+ 'UP11' => +11,
+ 'UP115' => +11.5,
+ 'UP12' => +12,
+ 'UP1275' => +12.75,
+ 'UP13' => +13,
+ 'UP14' => +14
+ );
+
+ if ($tz === '')
{
return $zones;
}
- if ($tz == 'GMT')
- $tz = 'UTC';
-
- return ( ! isset($zones[$tz])) ? 0 : $zones[$tz];
+ return isset($zones[$tz]) ? $zones[$tz] : 0;
}
}
+// ------------------------------------------------------------------------
+
+if ( ! function_exists('date_range'))
+{
+ /**
+ * Date range
+ *
+ * Returns a list of dates within a specified period.
+ *
+ * @param int unix_start UNIX timestamp of period start date
+ * @param int unix_end|days UNIX timestamp of period end date
+ * or interval in days.
+ * @param mixed is_unix Specifies whether the second parameter
+ * is a UNIX timestamp or a day interval
+ * - TRUE or 'unix' for a timestamp
+ * - FALSE or 'days' for an interval
+ * @param string date_format Output date format, same as in date()
+ * @return array
+ */
+ function date_range($unix_start = '', $mixed = '', $is_unix = TRUE, $format = 'Y-m-d')
+ {
+ if ($unix_start == '' OR $mixed == '' OR $format == '')
+ {
+ return FALSE;
+ }
+
+ $is_unix = ! ( ! $is_unix OR $is_unix === 'days');
+
+ // Validate input and try strtotime() on invalid timestamps/intervals, just in case
+ if ( ( ! ctype_digit((string) $unix_start) && ($unix_start = @strtotime($unix_start)) === FALSE)
+ OR ( ! ctype_digit((string) $mixed) && ($is_unix === FALSE OR ($mixed = @strtotime($mixed)) === FALSE))
+ OR ($is_unix === TRUE && $mixed < $unix_start))
+ {
+ return FALSE;
+ }
-/* End of file date_helper.php */
-/* Location: ./system/helpers/date_helper.php */ \ No newline at end of file
+ if ($is_unix && ($unix_start == $mixed OR date($format, $unix_start) === date($format, $mixed)))
+ {
+ return array(date($format, $unix_start));
+ }
+
+ $range = array();
+
+ $from = new DateTime();
+ $from->setTimestamp($unix_start);
+
+ if ($is_unix)
+ {
+ $arg = new DateTime();
+ $arg->setTimestamp($mixed);
+ }
+ else
+ {
+ $arg = (int) $mixed;
+ }
+
+ $period = new DatePeriod($from, new DateInterval('P1D'), $arg);
+ foreach ($period as $date)
+ {
+ $range[] = $date->format($format);
+ }
+
+ /* If a period end date was passed to the DatePeriod constructor, it might not
+ * be in our results. Not sure if this is a bug or it's just possible because
+ * the end date might actually be less than 24 hours away from the previously
+ * generated DateTime object, but either way - we have to append it manually.
+ */
+ if ( ! is_int($arg) && $range[count($range) - 1] !== $arg->format($format))
+ {
+ $range[] = $arg->format($format);
+ }
+
+ return $range;
+ }
+}