summaryrefslogtreecommitdiffstats
path: root/system/helpers/date_helper.php
diff options
context:
space:
mode:
Diffstat (limited to 'system/helpers/date_helper.php')
-rw-r--r--system/helpers/date_helper.php536
1 files changed, 308 insertions, 228 deletions
diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php
index 0aeb7fafb..531d1d32f 100644
--- a/system/helpers/date_helper.php
+++ b/system/helpers/date_helper.php
@@ -1,42 +1,51 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* CodeIgniter Date Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://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'))
{
+ /**
+ * Get "now" time
+ *
+ * Returns time() or its GMT equivalent based on the config file preference
+ *
+ * @return int
+ */
function now()
{
$CI =& get_instance();
@@ -54,73 +63,76 @@ if ( ! function_exists('now'))
return $system_time;
}
- else
- {
- return time();
- }
+
+ return time();
}
}
// ------------------------------------------------------------------------
-/**
- * Convert MySQL Style Datecodes
- *
- * This function is identical to PHPs date() function,
- * except that it allows date codes to be formatted using
- * the MySQL style, where each code letter is preceded
- * with a percent sign: %Y %m %d etc...
- *
- * The benefit of doing dates this way is that you don't
- * have to worry about escaping your text letters that
- * match the date codes.
- *
- * @access public
- * @param string
- * @param integer
- * @return integer
- */
if ( ! function_exists('mdate'))
{
+ /**
+ * Convert MySQL Style Datecodes
+ *
+ * This function is identical to PHPs date() function,
+ * except that it allows date codes to be formatted using
+ * the MySQL style, where each code letter is preceded
+ * with a percent sign: %Y %m %d etc...
+ *
+ * The benefit of doing dates this way is that you don't
+ * have to worry about escaping your text letters that
+ * match the date codes.
+ *
+ * @param string
+ * @param int
+ * @return int
+ */
function mdate($datestr = '', $time = '')
{
if ($datestr == '')
+ {
return '';
+ }
- if ($time == '')
- $time = now();
+ $time = ($time == '') ? now() : $time;
+
+ $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, $time);
}
}
// ------------------------------------------------------------------------
-/**
- * Standard Date
- *
- * Returns a date formatted according to the submitted standard.
- *
- * @access public
- * @param string the chosen format
- * @param integer Unix timestamp
- * @return string
- */
if ( ! function_exists('standard_date'))
{
+ /**
+ * Standard Date
+ *
+ * Returns a date formatted according to the submitted standard.
+ *
+ * @param string the chosen format
+ * @param int Unix timestamp
+ * @return string
+ */
function standard_date($fmt = 'DATE_RFC822', $time = '')
{
$formats = array(
- 'DATE_ATOM' => '%Y-%m-%dT%H:%i:%s%Q',
+ 'DATE_ATOM' => '%Y-%m-%dT%H:%i:%s%O',
'DATE_COOKIE' => '%l, %d-%M-%y %H:%i:%s UTC',
- 'DATE_ISO8601' => '%Y-%m-%dT%H:%i:%s%Q',
+ 'DATE_ISO8601' => '%Y-%m-%dT%H:%i:%s%O',
'DATE_RFC822' => '%D, %d %M %y %H:%i:%s %O',
'DATE_RFC850' => '%l, %d-%M-%y %H:%i:%s UTC',
'DATE_RFC1036' => '%D, %d %M %y %H:%i:%s %O',
'DATE_RFC1123' => '%D, %d %M %Y %H:%i:%s %O',
+ 'DATE_RFC2822' => '%D, %d %M %Y %H:%i:%s %O',
'DATE_RSS' => '%D, %d %M %Y %H:%i:%s %O',
- 'DATE_W3C' => '%Y-%m-%dT%H:%i:%s%Q'
+ 'DATE_W3C' => '%Y-%m-%dT%H:%i:%s%O'
);
if ( ! isset($formats[$fmt]))
@@ -134,20 +146,20 @@ if ( ! function_exists('standard_date'))
// ------------------------------------------------------------------------
-/**
- * Timespan
- *
- * Returns a span of seconds in this format:
- * 10 days 14 hours 36 minutes 47 seconds
- *
- * @access public
- * @param integer a number of seconds
- * @param integer Unix timestamp
- * @return integer
- */
if ( ! function_exists('timespan'))
{
- function timespan($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');
@@ -162,43 +174,41 @@ if ( ! function_exists('timespan'))
$time = time();
}
- if ($time <= $seconds)
+ if ( ! is_numeric($units))
{
- $seconds = 1;
- }
- else
- {
- $seconds = $time - $seconds;
+ $units = 7;
}
- $str = '';
- $years = floor($seconds / 31536000);
+ $seconds = ($time <= $seconds) ? 1 : $time - $seconds;
+
+ $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 +216,11 @@ 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 +228,11 @@ 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;
@@ -230,40 +240,39 @@ 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 $month > 12)
@@ -278,7 +287,7 @@ if ( ! function_exists('days_in_month'))
if ($month == 2)
{
- if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))
+ if ($year % 400 == 0 OR ($year % 4 == 0 && $year % 100 != 0))
{
return 29;
}
@@ -291,41 +300,48 @@ if ( ! function_exists('days_in_month'))
// ------------------------------------------------------------------------
-/**
- * Converts a local Unix timestamp to GMT
- *
- * @access public
- * @param integer Unix timestamp
- * @return integer
- */
if ( ! function_exists('local_to_gmt'))
{
+ /**
+ * Converts a local Unix timestamp to GMT
+ *
+ * @param int Unix timestamp
+ * @return int
+ */
function local_to_gmt($time = '')
{
if ($time == '')
+ {
$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", $time)
+ );
}
}
// ------------------------------------------------------------------------
-/**
- * Converts GMT time to a localized value
- *
- * Takes a Unix timestamp (in GMT) as input, and returns
- * at the local value based on the timezone and DST setting
- * submitted
- *
- * @access public
- * @param integer Unix timestamp
- * @param string timezone
- * @param bool whether DST is active
- * @return integer
- */
if ( ! function_exists('gmt_to_local'))
{
+ /**
+ * Converts GMT time to a localized value
+ *
+ * Takes a Unix timestamp (in GMT) as input, and returns
+ * at the local value based on the timezone and DST setting
+ * submitted
+ *
+ * @param int Unix timestamp
+ * @param string timezone
+ * @param bool whether DST is active
+ * @return int
+ */
function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE)
{
if ($time == '')
@@ -346,15 +362,14 @@ if ( ! function_exists('gmt_to_local'))
// ------------------------------------------------------------------------
-/**
- * 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 Unix timestamp
+ * @return int
+ */
function mysql_to_unix($time = '')
{
// We'll remove certain characters for backward compatibility
@@ -366,32 +381,31 @@ if ( ! function_exists('mysql_to_unix'))
$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($time, 0, 4)
- );
+ return mktime(
+ substr($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', $time).' ';
@@ -421,17 +435,16 @@ if ( ! function_exists('unix_to_human'))
// ------------------------------------------------------------------------
-/**
- * Convert "human" date to GMT
- *
- * Reverses the above process
- *
- * @access public
- * @param string format: us or euro
- * @return integer
- */
if ( ! function_exists('human_to_unix'))
{
+ /**
+ * Convert "human" date to GMT
+ *
+ * Reverses the above process
+ *
+ * @param string format: us or euro
+ * @return int
+ */
function human_to_unix($datestr = '')
{
if ($datestr == '')
@@ -474,14 +487,20 @@ if ( ! function_exists('human_to_unix'))
{
$ampm = strtolower($split['2']);
- if (substr($ampm, 0, 1) == 'p' AND $hour < 12)
+ if (substr($ampm, 0, 1) === 'p' && $hour < 12)
+ {
$hour = $hour + 12;
+ }
- if (substr($ampm, 0, 1) == 'a' AND $hour == 12)
+ if (substr($ampm, 0, 1) === 'a' && $hour == 12)
+ {
$hour = '00';
+ }
if (strlen($hour) == 1)
+ {
$hour = '0'.$hour;
+ }
}
return mktime($hour, $min, $sec, $month, $day, $year);
@@ -490,26 +509,90 @@ if ( ! function_exists('human_to_unix'))
// ------------------------------------------------------------------------
-/**
- * Timezone Menu
- *
- * Generates a drop-down menu of timezones.
- *
- * @access public
- * @param string timezone
- * @param string classname
- * @param string menu name
- * @return string
- */
+if ( ! function_exists('nice_date'))
+{
+ /**
+ * Turns many "reasonably-date-like" strings into something
+ * that is actually useful. This only works for dates after unix epoch.
+ *
+ * @param string The terribly formatted date-like string
+ * @param string Date format to return (same as php date function)
+ * @return string
+ */
+ function nice_date($bad_date = '', $format = FALSE)
+ {
+ if (empty($bad_date))
+ {
+ return 'Unknown';
+ }
+
+ // Date like: YYYYMM
+ if (preg_match('/^\d{6}$/', $bad_date))
+ {
+ if (in_array(substr($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);
+ }
+
+ return date($format, strtotime($year . '-' . $month . '-01'));
+ }
+
+ // Date Like: YYYYMMDD
+ if (preg_match('/^\d{8}$/',$bad_date))
+ {
+ $month = substr($bad_date, 0, 2);
+ $day = substr($bad_date, 2, 2);
+ $year = substr($bad_date, 4, 4);
+
+ return date($format, strtotime($month . '/01/' . $year));
+ }
+
+ // Date Like: MM-DD-YYYY __or__ M-D-YYYY (or anything in between)
+ if (preg_match('/^\d{1,2}-\d{1,2}-\d{4}$/',$bad_date))
+ {
+ list($m, $d, $y) = explode('-', $bad_date);
+ return date($format, strtotime("{$y}-{$m}-{$d}"));
+ }
+
+ // Any other kind of string, when converted into UNIX time,
+ // produces "0 seconds after epoc..." is probably bad...
+ // return "Invalid Date".
+ if (date('U', strtotime($bad_date)) == '0')
+ {
+ return "Invalid Date";
+ }
+
+ // It's probably a valid-ish date format already
+ return date($format, strtotime($bad_date));
+ }
+}
+
+// ------------------------------------------------------------------------
+
if ( ! function_exists('timezone_menu'))
{
+ /**
+ * Timezone Menu
+ *
+ * Generates a drop-down menu of timezones.
+ *
+ * @param string timezone
+ * @param string classname
+ * @param string menu name
+ * @return string
+ */
function timezone_menu($default = 'UTC', $class = "", $name = 'timezones')
{
$CI =& get_instance();
$CI->lang->load('date');
- if ($default == 'GMT')
- $default = 'UTC';
+ $default = ($default == 'GMT') ? 'UTC' : $default;
$menu = '<select name="'.$name.'"';
@@ -534,78 +617,75 @@ if ( ! function_exists('timezone_menu'))
// ------------------------------------------------------------------------
-/**
- * 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
$zones = array(
- 'UM12' => -12,
- 'UM11' => -11,
- 'UM10' => -10,
- 'UM95' => -9.5,
- 'UM9' => -9,
- 'UM8' => -8,
- 'UM7' => -7,
- 'UM6' => -6,
- 'UM5' => -5,
- 'UM45' => -4.5,
- 'UM4' => -4,
- 'UM35' => -3.5,
- 'UM3' => -3,
- 'UM2' => -2,
- 'UM1' => -1,
- 'UTC' => 0,
- 'UP1' => +1,
- 'UP2' => +2,
- 'UP3' => +3,
- 'UP35' => +3.5,
- 'UP4' => +4,
- 'UP45' => +4.5,
- 'UP5' => +5,
- 'UP55' => +5.5,
- 'UP575' => +5.75,
- 'UP6' => +6,
- 'UP65' => +6.5,
- 'UP7' => +7,
- 'UP8' => +8,
- 'UP875' => +8.75,
- 'UP9' => +9,
- 'UP95' => +9.5,
- 'UP10' => +10,
- 'UP105' => +10.5,
- 'UP11' => +11,
- 'UP115' => +11.5,
- 'UP12' => +12,
- 'UP1275' => +12.75,
- 'UP13' => +13,
- 'UP14' => +14
- );
+ 'UM12' => -12,
+ 'UM11' => -11,
+ 'UM10' => -10,
+ 'UM95' => -9.5,
+ 'UM9' => -9,
+ 'UM8' => -8,
+ 'UM7' => -7,
+ 'UM6' => -6,
+ 'UM5' => -5,
+ 'UM45' => -4.5,
+ 'UM4' => -4,
+ 'UM35' => -3.5,
+ 'UM3' => -3,
+ 'UM2' => -2,
+ 'UM1' => -1,
+ 'UTC' => 0,
+ 'UP1' => +1,
+ 'UP2' => +2,
+ 'UP3' => +3,
+ 'UP35' => +3.5,
+ 'UP4' => +4,
+ 'UP45' => +4.5,
+ 'UP5' => +5,
+ 'UP55' => +5.5,
+ 'UP575' => +5.75,
+ 'UP6' => +6,
+ 'UP65' => +6.5,
+ 'UP7' => +7,
+ 'UP8' => +8,
+ 'UP875' => +8.75,
+ 'UP9' => +9,
+ 'UP95' => +9.5,
+ 'UP10' => +10,
+ 'UP105' => +10.5,
+ 'UP11' => +11,
+ 'UP115' => +11.5,
+ 'UP12' => +12,
+ 'UP1275' => +12.75,
+ 'UP13' => +13,
+ 'UP14' => +14
+ );
if ($tz == '')
{
return $zones;
}
- if ($tz == 'GMT')
- $tz = 'UTC';
+ $tz = ($tz == 'GMT') ? 'UTC' : $tz;
- return ( ! isset($zones[$tz])) ? 0 : $zones[$tz];
+ return isset($zones[$tz]) ? $zones[$tz] : 0;
}
}
-
/* End of file date_helper.php */
/* Location: ./system/helpers/date_helper.php */ \ No newline at end of file
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-13 08:59:32 +0100