Re: create tree from arrays
| From: | Richard Quadling | Date: | Thu, 13 May 2010 10:12:29 +0000 |
| Subject: | Re: create tree from arrays | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-305149@lists.php.net to get a copy of this message | ||
On 13 May 2010 11:09, Richard Quadling <rquadling@googlemail.com> wrote:
> On 13 May 2010 09:51, shahrzad khorrami <shahrzad.khorrami@gmail.com> wrote:
>> hi all,
>>
>> I want to create an array from another array to create json file in my
>> format and pass it to a js library....ok.
>> I just know that I have to use recursive function... but how? it's hard for
>> me to create the new array..
>
> Assuming that nid = 1 / parentID = 0 is the root.
>
> <?php
> $Relationships = array();
> foreach($Data as $ID => $Row)
> {
> $Relationships[$ID] = $Row['nid'];
> }
>
> foreach($Data as $ID => &$Row)
> {
> if (0 != $Row['parentID'])
> {
> $Data[array_search($Row['parentID'],
> $Relationships)]['children'][] = &$Row;
> }
> }
>
> print_r($Data[0]);
> ?>
>
> outputs ...
>
> Array
> (
> [nid] => 1
> [parentID] => 0
> [text] => Dashboard
> [cls] => x-btn-icon
> [icon] => lib/extjs/resources/images/default/icon/Dashboard.png
> [singleClickExpand] => 1
> [leaf] => 0
> [id] => Dashboard
> [children] => Array
> (
> [0] => Array
> (
> [nid] => 2
> [parentID] => 1
> [text] => Dashboard
> [cls] => firstExpanded
> [icon] => lib/extjs/resources/images/default/tree/s.gif
> [singleClickExpand] => 1
> [leaf] => 0
> [id] =>
> [children] => Array
> (
> [0] => Array
> (
> [nid] => 3
> [parentID] => 2
> [text] => Dashboard
> [cls] => x-btn-icon
> [icon] =>
> lib/extjs/resources/images/default/tree/s.gif
> [singleClickExpand] => 1
> [leaf] => 1
> [id] => dashboard
> )
>
> )
>
> )
>
> )
>
> )
>
>
>
> --
> -----
> Richard Quadling
> "Standing on the shoulders of some very clever giants!"
> EE : http://www.experts-exchange.com/M_248814.html
> EE4Free : http://www.experts-exchange.com/becomeAnExpert.jsp
> Zend Certified Engineer :
> http://zend.com/zce.php?c=ZEND002498&r=213474731
> ZOPA : http://uk.zopa.com/member/RQuadling
>
If the array index was the same as nid this would be ...
<?php
foreach($Data as $ID => &$Row)
{
if (0 != $Row['parentID'])
{
$Data[$Row['parentID']]['children'][] = &$Row;
}
}
print_r($Data[1]);
?>
--
-----
Richard Quadling
"Standing on the shoulders of some very clever giants!"
EE : http://www.experts-exchange.com/M_248814.html
EE4Free : http://www.experts-exchange.com/becomeAnExpert.jsp
Zend Certified Engineer : http://zend.com/zce.php?c=ZEND002498&r=213474731
ZOPA : http://uk.zopa.com/member/RQuadling