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PhutilChunkedIterator.php
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Created
Tue, Jul 23, 19:37
Size
1 KB
Mime Type
text/x-php
Expires
Thu, Jul 25, 19:37 (2 d)
Engine
blob
Format
Raw Data
Handle
19250824
Attached To
rPHU libphutil
PhutilChunkedIterator.php
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<?php
/**
* This is an iterator version of array_chunk().
*/
final
class
PhutilChunkedIterator
implements
Iterator
{
private
$iterator
;
private
$size
;
private
$key
=
0
;
private
$current
;
/**
* @param Iterator
* @param int
*/
public
function
__construct
(
Iterator
$iterator
,
$size
)
{
$this
->
iterator
=
$iterator
;
$this
->
size
=
$size
;
}
public
function
rewind
()
{
$this
->
iterator
->
rewind
();
$this
->
next
();
$this
->
key
=
0
;
}
/**
* @return int
*/
public
function
key
()
{
return
$this
->
key
;
}
/**
* @return array
*/
public
function
current
()
{
return
$this
->
current
;
}
public
function
next
()
{
$this
->
current
=
array
();
while
(
$this
->
iterator
->
valid
())
{
$key
=
$this
->
iterator
->
key
();
$this
->
current
[
$key
]
=
$this
->
iterator
->
current
();
$this
->
iterator
->
next
();
if
(
count
(
$this
->
current
)
>=
$this
->
size
)
{
break
;
}
}
$this
->
key
++;
}
public
function
valid
()
{
return
(
bool
)
$this
->
current
;
}
}
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