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phpbb/phpBB/phpbb/datetime.php at master · ctrstudio/phpbb · GitHub
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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace
phpbb
;
/**
* phpBB custom extensions to the PHP DateTime class
* This handles the relative formats phpBB employs
*/
class
datetime
extends
\DateTime
{
/**
* String used to wrap the date segment which should be replaced by today/tomorrow/yesterday
*/
const
RELATIVE_WRAPPER
=
'
|
'
;
/**
* @var user User who is the context for this DateTime instance
*/
protected
$
user
;
/**
* @var array Date formats are preprocessed by phpBB, to save constant recalculation they are cached.
*/
static
protected
$
format_cache
=
array
();
/**
* Constructs a new instance of \phpbb\datetime, expanded to include an argument to inject
* the user context and modify the timezone to the users selected timezone if one is not set.
*
* @param user $user object for context.
* @param string $time String in a format accepted by strtotime().
* @param \DateTimeZone $timezone Time zone of the time.
*/
public
function
__construct
(
$
user
,
$
time
=
'
now
'
,
\
DateTimeZone
$
timezone
=
null
)
{
$
this
->
user
=
$
user
;
$
timezone
=
$
timezone
?:
$
this
->
user
->
timezone
;
parent
::
__construct
(
$
time
,
$
timezone
);
}
/**
* Formats the current date time into the specified format
*
* @param string $format Optional format to use for output, defaults to users chosen format
* @param boolean $force_absolute Force output of a non relative date
* @return string Formatted date time
*/
public
function
format
(
$
format
=
''
,
$
force_absolute
=
false
)
{
$
format
=
$
format
?
$
format
:
$
this
->
user
->
date_format
;
if
(
substr
(
$
this
->
user
->
lang_name
,
0
,
2
) !=
'
en
'
)
{
$
format
=
preg_replace
(
'
/([^
\\
\])S/
'
,
'
$1
'
,
$
format
);
}
$
format
=
self
::
format_cache
(
$
format
,
$
this
->
user
);
$
relative
= (
$
format
[
'
is_short
'
] && !
$
force_absolute
);
$
now
=
new
self
(
$
this
->
user
,
'
now
'
,
$
this
->
user
->
timezone
);
$
timestamp
=
$
this
->
getTimestamp
();
$
now_ts
=
$
now
->
getTimeStamp
();
$
delta
=
$
now_ts
-
$
timestamp
;
if
(
$
relative
)
{
/*
* Check the delta is less than or equal to 1 hour
* and the delta not more than a minute in the past
* and the delta is either greater than -5 seconds or timestamp
* and current time are of the same minute (they must be in the same hour already)
* finally check that relative dates are supported by the language pack
*/
if
(
$
delta
<=
3600
&&
$
delta
> -
60
&&
(
$
delta
>= -
5
|| ((
$
now_ts
/
60
) %
60
) == ((
$
timestamp
/
60
) %
60
))
&&
isset
(
$
this
->
user
->
lang
[
'
datetime
'
][
'
AGO
'
]))
{
return
$
this
->
user
->
lang
(
array
(
'
datetime
'
,
'
AGO
'
),
max
(
0
, (
int
)
floor
(
$
delta
/
60
)));
}
else
{
$
midnight
=
clone
$
now
;
$
midnight
->
setTime
(
0
,
0
,
0
);
$
midnight
=
$
midnight
->
getTimestamp
();
if
(
$
timestamp
<=
$
midnight
+
2
*
86400
)
{
$
day
=
false
;
if
(
$
timestamp
>
$
midnight
+
86400
)
{
$
day
=
'
TOMORROW
'
;
}
else
if
(
$
timestamp
>
$
midnight
)
{
$
day
=
'
TODAY
'
;
}
else
if
(
$
timestamp
>
$
midnight
-
86400
)
{
$
day
=
'
YESTERDAY
'
;
}
if
(
$
day
!==
false
)
{
// Format using the short formatting and finally swap out the relative token placeholder with the correct value
return
str_replace
(
self
::
RELATIVE_WRAPPER
.
self
::
RELATIVE_WRAPPER
,
$
this
->
user
->
lang
[
'
datetime
'
][
$
day
],
strtr
(
parent
::
format
(
$
format
[
'
format_short
'
]),
$
format
[
'
lang
'
]));
}
}
}
}
return
strtr
(
parent
::
format
(
$
format
[
'
format_long
'
]),
$
format
[
'
lang
'
]);
}
/**
* Magic method to convert DateTime object to string
*
* @return string Formatted date time, according to the users default settings.
*/
public
function
__toString
()
{
return
$
this
->
format
();
}
/**
* Pre-processes the specified date format
*
* @param string $format Output format
* @param user $user User object to use for localisation
* @return array Processed date format
*/
static
protected
function
format_cache
(
$
format
,
$
user
)
{
$
lang
=
$
user
->
lang_name
;
if
(!
isset
(
self
::
$
format_cache
[
$
lang
]))
{
self
::
$
format_cache
[
$
lang
] =
array
();
}
if
(!
isset
(
self
::
$
format_cache
[
$
lang
][
$
format
]))
{
// Is the user requesting a friendly date format (i.e. 'Today 12:42')?
self
::
$
format_cache
[
$
lang
][
$
format
] =
array
(
'
is_short
'
=>
strpos
(
$
format
,
self
::
RELATIVE_WRAPPER
) !==
false
,
'
format_short
'
=>
substr
(
$
format
,
0
,
strpos
(
$
format
,
self
::
RELATIVE_WRAPPER
)) .
self
::
RELATIVE_WRAPPER
.
self
::
RELATIVE_WRAPPER
.
substr
(
strrchr
(
$
format
,
self
::
RELATIVE_WRAPPER
),
1
),
'
format_long
'
=>
str_replace
(
self
::
RELATIVE_WRAPPER
,
''
,
$
format
),
'
lang
'
=>
array_filter
(
$
user
->
lang
[
'
datetime
'
],
'
is_string
'
),
);
// Short representation of month in format? Some languages use different terms for the long and short format of May
if
((
strpos
(
$
format
,
'
\M
'
) ===
false
&&
strpos
(
$
format
,
'
M
'
) !==
false
) || (
strpos
(
$
format
,
'
\r
'
) ===
false
&&
strpos
(
$
format
,
'
r
'
) !==
false
))
{
self
::
$
format_cache
[
$
lang
][
$
format
][
'
lang
'
][
'
May
'
] =
$
user
->
lang
[
'
datetime
'
][
'
May_short
'
];
}
}
return
self
::
$
format_cache
[
$
lang
][
$
format
];
}
}
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