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php-array-pagination/pagination.class.php at master · lotsofcode/php-array-pagination · GitHub
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<?php
/************************************************************\
*
* PHP Array Pagination Copyright 2007 - Derek Harvey
* www.lotsofcode.com
*
* This file is part of PHP Array Pagination .
*
* PHP Array Pagination is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* PHP Array Pagination is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PHP Array Pagination ; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
\************************************************************/
class
pagination
{
/**
* Properties array
* @var array
* @access private
*/
private
$
_properties
=
array
();
/**
* Default configurations
* @var array
* @access public
*/
public
$
_defaults
=
array
(
'
page
'
=>
1
,
'
perPage
'
=>
10
);
/**
* Constructor
*
* @param array $array Array of results to be paginated
* @param int $curPage The current page interger that should used
* @param int $perPage The amount of items that should be show per page
* @return void
* @access public
*/
public
function
__construct
(
$
array
,
$
curPage
=
null
,
$
perPage
=
null
)
{
$
this
->
array
=
$
array
;
$
this
->
curPage
= (
$
curPage
==
null
?
$
this
->
defaults
[
'
page
'
] :
$
curPage
);
$
this
->
perPage
= (
$
perPage
==
null
?
$
this
->
defaults
[
'
perPage
'
] :
$
perPage
);
}
/**
* Global setter
*
* Utilises the properties array
*
* @param string $name The name of the property to set
* @param string $value The value that the property is assigned
* @return void
* @access public
*/
public
function
__set
(
$
name
,
$
value
)
{
$
this
->
_properties
[
$
name
] =
$
value
;
}
/**
* Global getter
*
* Takes a param from the properties array if it exists
*
* @param string $name The name of the property to get
* @return mixed Either the property from the internal
* properties array or false if isn't set
* @access public
*/
public
function
__get
(
$
name
)
{
if
(
array_key_exists
(
$
name
,
$
this
->
_properties
)) {
return
$
this
->
_properties
[
$
name
];
}
return
false
;
}
/**
* Set the show first and last configuration
*
* This will enable the "<< first" and "last >>" style
* links
*
* @param boolean $showFirstAndLast True to show, false to hide.
* @return void
* @access public
*/
public
function
setShowFirstAndLast
(
$
showFirstAndLast
)
{
$
this
->
_showFirstAndLast
=
$
showFirstAndLast
;
}
/**
* Set the main seperator character
*
* By default this will implode an empty string
*
* @param string $mainSeperator The seperator between the page numbers
* @return void
* @access public
*/
public
function
setMainSeperator
(
$
mainSeperator
)
{
$
this
->
mainSeperator
=
$
mainSeperator
;
}
/**
* Get the result portion from the provided array
*
* @return array Reduced array with correct calculated offset
* @access public
*/
public
function
getResults
()
{
// Assign the page variable
if
(
empty
(
$
this
->
curPage
) !==
false
) {
$
this
->
page
=
$
this
->
curPage
;
// using the get method
}
else
{
$
this
->
page
=
1
;
// if we don't have a page number then assume we are on the first page
}
// Take the length of the array
$
this
->
length
=
count
(
$
this
->
array
);
// Get the number of pages
$
this
->
pages
=
ceil
(
$
this
->
length
/
$
this
->
perPage
);
// Calculate the starting point
$
this
->
start
=
ceil
((
$
this
->
page
-
1
) *
$
this
->
perPage
);
// return the portion of results
return
array_slice
(
$
this
->
array
,
$
this
->
start
,
$
this
->
perPage
);
}
/**
* Get the html links for the generated page offset
*
* @param array $params A list of parameters (probably get/post) to
* pass around with each request
* @return mixed Return description (if any) ...
* @access public
*/
public
function
getLinks
(
$
params
=
array
())
{
// Initiate the links array
$
plinks
=
array
();
$
links
=
array
();
$
slinks
=
array
();
// Concatenate the get variables to add to the page numbering string
$
queryUrl
=
''
;
if
(!
empty
(
$
params
) ===
true
) {
unset(
$
params
[
'
page
'
]);
$
queryUrl
=
'
&
'
.
http_build_query
(
$
params
);
}
// If we have more then one pages
if
((
$
this
->
pages
) >
1
) {
// Assign the 'previous page' link into the array if we are not on the first page
if
(
$
this
->
page
!=
1
) {
if
(
$
this
->
_showFirstAndLast
) {
$
plinks
[] =
'
<a href="?page=1
'
.
$
queryUrl
.
'
">«« First </a>
'
;
}
$
plinks
[] =
'
<a href="?page=
'
.(
$
this
->
page
-
1
).
$
queryUrl
.
'
">« Prev</a>
'
;
}
// Assign all the page numbers & links to the array
for
(
$
j
=
1
;
$
j
< (
$
this
->
pages
+
1
);
$
j
++) {
if
(
$
this
->
page
==
$
j
) {
$
links
[] =
'
<a class="selected">
'
.
$
j
.
'
</a>
'
;
// If we are on the same page as the current item
}
else
{
$
links
[] =
'
<a href="?page=
'
.
$
j
.
$
queryUrl
.
'
">
'
.
$
j
.
'
</a>
'
;
// add the link to the array
}
}
// Assign the 'next page' if we are not on the last page
if
(
$
this
->
page
<
$
this
->
pages
) {
$
slinks
[] =
'
<a href="?page=
'
.(
$
this
->
page
+
1
).
$
queryUrl
.
'
"> Next » </a>
'
;
if
(
$
this
->
_showFirstAndLast
) {
$
slinks
[] =
'
<a href="?page=
'
.(
$
this
->
pages
).
$
queryUrl
.
'
"> Last »» </a>
'
;
}
}
// Push the array into a string using any some glue
return
implode
(
'
'
,
$
plinks
).
implode
(
$
this
->
mainSeperator
,
$
links
).
implode
(
'
'
,
$
slinks
);
}
return
;
}
}
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