Implementing multi-level tree menu with PHP_PHP tutorial

//Tree directory structure template program
//Menu directory library field description:
//menu_id menu item id 1 is the main menu and 2 is the secondary menu.....
//menu_superior Previous menu id number

function my_menu($menu_content,$i,$menu_grade_temp,$menu_superior_temp)
{
global $PHP_SELF;
$temp1=$menu_grade_temp+1;
$menu_superior_temp_array=split("/",$menu_superior_temp);
for ($t=0;$t& lt ;$i;$t++)
{ $menu_array=split("/",$menu_content[$t]);
If(($menu_array[2]==$menu_grade_temp)&&($ menu_array[3]==$menu_superior_temp_array[$menu_grade_temp-1]))                                                      temp3=$menu_superior_temp_array;
$temp3[$menu_grade_temp]=$menu_array[0];
$temp2=implode("/",$temp3); menu_superior_temp_array[$temp1-1])                                                              lode("/",$temp3 ; my_menu($menu_content,$i,$temp1,$temp2);                                                                               >         $temp6=implode( "/",$temp3);
echo "$menu_array[1] }                                                              kj";
$db_password="123";
$db_name="test";
mysql_connect($db_host,$db_user,$db_password);
mysql_select_db($db_name);

//From Obtain data from the database
$query_string="select * from menu order by menu_grade";
$db_data=mysql_query($query_string);

//First execution of initialization
if ( $menu_grade_temp=="")
{
$menu_superior_temp=0;
}

//Read all the information into the array and count the number of arrays
$i=0;
while (list($menu_id,$menu,$menu_grade,$menu_superior)=mysql_fetch_row ($db_data))
{ $menu_content[$i]=$menu_id."/".$menu."/".$menu_grade."/".$menu_superior;
$i++;
}
my_menu($menu_content,$i,1,$menu_superior_temp);

/* Attached database structure and simulation data
# phpMyAdmin MySQL-Dump
#
# Host: localhost Database: test
# ---------------------------------------- ----------------

#
# Data table structure 'menu'
#

CREATE TABLE menu (
menu_id int(11) NOT NULL auto_increment,
menu varchar(20) NOT NULL,
menu_grade int(11) NOT NULL,
menu_superior int(11) NOT NULL,
UNIQUE menu_id (menu_id )
);

# Export the following database content 'menu'
#

INSERT INTO menu VALUES( '1', 'Computer', '1 ', '0');
INSERT INTO menu VALUES( '2', 'Programming', '2', '1');
INSERT INTO menu VALUES( '3', 'Network', '2 ', '1');
INSERT INTO menu VALUES( '4', 'PHP and MySql', '3', '2');
INSERT INTO menu VALUES( '5', 'C language' , '3', '2');
INSERT INTO menu VALUES( '6', 'Web page production', '3', '3');
INSERT INTO menu VALUES( '7', 'TCP , IP protocol', '3', '3');
INSERT INTO menu VALUES( '8', 'Math', '1', '0');
INSERT INTO menu VALUES( '9' , 'Advanced Mathematics', '2', '8');
INSERT INTO menu VALUES( '10', 'Linear Algebra', '3', '9');
INSERT INTO menu VALUES( ' 11', 'Discrete Mathematics', '3', '9');
INSERT INTO menu VALUES( '12', 'Elementary Mathematics', '2', '8');
INSERT INTO menu VALUES ( '13', 'Literature', '1', '0');
INSERT INTO menu VALUES( '14', 'Chinese Literature', '2', '13');
INSERT INTO menu VALUES( '15', 'php', '4', '4');
INSERT INTO menu VALUES( '16', 'mysql', '4', '4');
*/
?>

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www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/316346.htmlTechArticle? //Tree directory structure template program //Menu directory field description: //menu_id menu item id / /menu Menu name//menu_grade Menu level 1 is the main menu and 2 is the secondary menu.....