TF memory card cannot format PHP Unlimited classification code, support array format, direct output menu two ways

Copy CodeThe code is as follows:

/**
+------------------------------------------------
* Universal Tree Type
+------------------------------------------------
* @author yangyunzhou@foxmail.com
+------------------------------------------------
* @date November 23, 2010 10:09:31
+------------------------------------------------
*/
Class Tree
{
/**
+------------------------------------------------
* 2-dimensional array required to generate the tree structure
+------------------------------------------------
* @author yangyunzhou@foxmail.com
+------------------------------------------------
* @var Array
*/
var $arr = array ();
/**
+------------------------------------------------
* Create a tree structure with the necessary decoration symbols, can be converted to pictures
+------------------------------------------------
* @author yangyunzhou@foxmail.com
+------------------------------------------------
* @var Array
*/
var $icon = array (' │ ', ' ├ ', ' └ ');
/**
* @access Private
*/
var $ret = ';
/**
* Constructors, initializing classes
* @param array of 2-D arrays, for example:
* Array (
* 1 = = Array (' id ' = ' 1 ', ' ParentID ' =>0, ' name ' = ' first column one '),
* 2 = = Array (' id ' = ' 2 ', ' ParentID ' =>0, ' name ' = ' "one column II '),
* 3 = = Array (' id ' = ' 3 ', ' ParentID ' =>1, ' name ' = ' two ' column one '),
* 4 = = Array (' id ' = ' 4 ', ' ParentID ' =>1, ' name ' = ' two ' column two '),
* 5 = = Array (' id ' = ' 5 ', ' ParentID ' =>2, ' name ' = ' two ' column three '),
* 6 = = Array (' id ' = ' 6 ', ' ParentID ' =>3, ' name ' = ' three ' column one '),
* 7 = = Array (' id ' = ' 7 ', ' ParentID ' =>3, ' name ' = ' three ' level Column II ')
* )
*/
function tree ($arr =array ())
{
$this->arr = $arr;
$this->ret = ";
Return Is_array ($arr);
}
/**
* Get Parent Series Group
* @param int
* @return Array
*/
function Get_parent ($myid)
{
$newarr = Array ();
if (!isset ($this->arr[$myid])) return false;
$pid = $this->arr[$myid] [' pid '];
$pid = $this->arr[$pid] [' pid '];
if (Is_array ($this->arr))
{
foreach ($this->arr as $id = $a)
{
if ($a [' pid '] = = $pid) $newarr [$id] = $a;
}
}
return $newarr;
}
/**
* Get sub-series group
* @param int
* @return Array
*/
function Get_child ($myid)
{
$a = $newarr = Array ();
if (Is_array ($this->arr))
{
foreach ($this->arr as $id = $a)
{
if ($a [' pid '] = = $myid) $newarr [$id] = $a;
}
}
Return $newarr? $newarr: false;
}
/**
* Get the current position array
* @param int
* @return Array
*/
function Get_pos ($myid,& $newarr)
{
$a = array ();
if (!isset ($this->arr[$myid])) return false;
$newarr [] = $this->arr[$myid];
$pid = $this->arr[$myid] [' pid '];
if (Isset ($this->arr[$pid]))
{
$this->get_pos ($pid, $newarr);
}
if (Is_array ($newarr))
{
Krsort ($newarr);
foreach ($newarr as $v)
{
$a [$v [' id ']] = $v;
}
}
return $a;
}
/**
* -------------------------------------
* Get tree-type structure
* -------------------------------------
* @author yangyunzhou@foxmail.com
* @param $myid means to get all the children under this ID
* @param $str generate the basic code of the tree structure, for example: "\ $spacer \ $name"
* @param $sid The selected ID, such as in the Tree drop-down box need to use
* @param $adds
* @param $str _group
*/
function Get_tree ($myid, $str, $sid = 0, $adds = ", $str _group =")
{
$number = 1;
$child = $this->get_child ($myid);
if (Is_array ($child)) {
$total = count ($child);
foreach ($child as $id = = $a) {
$j = $k = ";
if ($number = = $total) {
$j. = $this->icon[2];
} else {
$j. = $this->icon[1];
$k = $adds? $this->icon[0]: ";
}
$spacer = $adds? $adds. $j: ";
$selected = $id = = $sid? ' Selected ': ';
@extract ($a);
$parentid = = 0 && $str _group? Eval ("\ $nstr = \" $str _group\ "): eval (" \ $nstr = \ "$str \"; ");
$this->ret. = $nstr;
$this->get_tree ($id, $str, $sid, $adds. $k. ", $str _group);
$number + +;
}
}
return $this->ret;
}
/**
* Similar to the previous method, but allows multiple selections
*/
function Get_tree_multi ($myid, $str, $sid = 0, $adds = ")
{
$number = 1;
$child = $this->get_child ($myid);
if (Is_array ($child))
{
$total = count ($child);
foreach ($child as $id = $a)
{
$j = $k = ";
if ($number = = $total)
{
$j. = $this->icon[2];
}
Else
{
$j. = $this->icon[1];
$k = $adds? $this->icon[0]: ";
}
$spacer = $adds? $adds. $j: ";
$selected = $this->have ($sid, $id)? ' Selected ': ';
@extract ($a);
Eval ("\ $nstr = \" $str \ ";");
$this->ret. = $nstr;
$this->get_tree_multi ($id, $str, $sid, $adds. $k. ");
$number + +;
}
}
return $this->ret;
}
function has ($list, $item) {
Return (Strpos (',, '. $list. ', ', ', '. $item. ', '));
}
/**
+------------------------------------------------
* Formatted array
+------------------------------------------------
* @author yangyunzhou@foxmail.com
+------------------------------------------------
*/
function GetArray ($myid =0, $sid =0, $adds = ")
{
$number = 1;
$child = $this->get_child ($myid);
if (Is_array ($child)) {
$total = count ($child);
foreach ($child as $id = = $a) {
$j = $k = ";
if ($number = = $total) {
$j. = $this->icon[2];
} else {
$j. = $this->icon[1];
$k = $adds? $this->icon[0]: ";
}
$spacer = $adds? $adds. $j: ";
@extract ($a);
$a [' title '] = $spacer. ' '. $a [' title '];
$this->ret[$a [' id ']] = $a;
$FD = $adds. $k. ";
$this->getarray ($id, $sid, $FD);
$number + +;
}
}
return $this->ret;
}
}
?>

The above describes the TF memory card can not format the PHP Unlimited classification code, support array format, the direct output menu two ways, including the TF memory card can not format the content, I hope that the PHP tutorial interested in a friend helpful.

