1.implode()和explode()方式

2.print_r()和自定义函数方式

3.serialize()和unserialize()方式

4.json_encode()和json_decode()方式<?php

// 将数组存入数据库中的四种方式详见我的博客 http://blog.csdn.net/the_victory

//1.implode和explode方式

//2.print_r和自定义函数方式

//3.serialize和unserialize方式

//4.json_encode和json_decode方式

// 如果想运行该文件，需要建立数据库admin,和数据表test,或者修改代码

// //---------------------------------------------------------------

// CREATE TABLE `test` (

// `id` int(10) unsigned NOT NULL AUTO_INCREMENT key,

// `array` text,

// ) ENGINE=InnoDB DEFAULT CHARSET=utf8 ;

//定义用print_r将数组存储到数据库中的类

header('content-type:text/html; charset=utf8');

define("DB_HOST","localhost");

define("DB_USER","root");

define("DB_PWD","0227");

define("DB_DBNAME","admin");

define("DB_CHARSET","utf8");

// 定义逆置print_r值的类

class Trie {

protected $dict = array();

protected $buf = '';

function set($word, $value='') {

if(is_array($word)) foreach($word as $k=>$v) $this->set($k, $v);

$p =& $this->dict;

foreach(str_split($word) as $ch) {

if(! isset($p[$ch])) $p[$ch] = array();

$p =& $p[$ch];

}

$p['val'] = $value;

return $this;

}

function parse($str) {

$this->doc = $str;

$this->len = strlen($str);

$i = 0;

while($i < $this->len) {

$t = $this->find($this->dict, $i);

if($t) {

$i = $t;

$this->buf = '';

}else $this->buf .= $this->doc{$i++};

}

}

protected function find(&$p, $i) {

if($i >= $this->len) return $i;

$t = 0;

$n = $this->doc{$i};

if( isset($p[$n]) ) $t = $this->find($p[$n], $i+1);

if($t) return $t;

if( isset($p['val']) ) {

$ar = explode(',', $p['val']);

call_user_func_array( array($this, array_shift($ar)), $ar );

return $i;

}

return $t;

}

function __call($method, $param) {

echo "****\n$this->buf 未定义方法:$method 参数:" . join(',', $param) . "
\n";

}

}

class App extends Trie {

public $res = array();

protected $stack = array();

protected $keyname = '';

protected $buf = '';

function __construct() {

$this->stack[] =& $this->res;

}

protected function group() {

if(! $this->keyname) return;

$cnt = count($this->stack) - 1;

$this->stack[$cnt][$this->keyname] = array();

$this->stack[] =& $this->stack[$cnt][$this->keyname];

$this->keyname = '';

}

protected function brackets($c) {

$cnt = count($this->stack) - 1;

switch($c) {

case ')':

if($this->keyname) $this->stack[$cnt][$this->keyname] = trim($this->buf);

$this->keyname = '';

array_pop($this->stack);

break;

case '[':

if($this->keyname) $this->stack[$cnt][$this->keyname] = trim($this->buf);

break;

case ']':

$this->keyname = $this->buf;

}

$this->buf = '';

}

}

//类结束

//

//

//连接数据库

function connect(){

$link = @mysql_connect(DB_HOST,DB_USER,DB_PWD) or die("数据库连接失败ERR:".mysql_errno().":".mysql_error());

mysql_select_db(DB_DBNAME) or die("打开数据库失败");//mysql_errno()即显示错误数量；mysql_error()即显示错误信息；

$sql = 'set names '.DB_CHARSET;

mysql_query($sql) or die ("设置字符集失败");

return $link;

}

//插入数据库函数

function insert($table, $array){

$keys = join(",",array_keys($array));

$vals = "'".join("','",array_values($array))."'";

$sql = "insert {$table}({$keys})values({$vals})";

mysql_query($sql);

return mysql_insert_id();

}

//提取刚刚插入的数据

function select($table){

$sql = "select array from {$table} order by id desc";

if($result = mysql_query($sql)){

$values = mysql_fetch_assoc($result);

$value = array_pop($values);

}else{

echo '提取失败';

}

return $value;

}

//implode方式 一维数组可以，二维数组不可以，并且关联数组无效

function plode($table,$arr){

echo '

implode方式
原数组,未插入前:

';

var_dump($arr);

$str = addslashes(implode(",", $arr));

$insert = array('id'=>'','array'=>$str);

if(insert($table,$insert)){

echo "插入成功.
";

}else{

echo "插入失败";

exit;

}

$value = select($table);

echo '

';

var_dump($value);

$explode = explode(",",$value);

echo '

';

var_dump($explode);

}

// print_r方式

function printR($table,$arr){

echo '

print_r方式
原数组,未插入前:>

';

var_dump($arr);

$print = addslashes(print_r($arr, true));

$insert = array('id'=>'','array'=>$print);

insert($table,$insert);

$value = select($table);

echo '

';

var_dump($value);

$p = new App;

$p->set('Array','group')

->set('[','brackets,[')

->set('] =>','brackets,]')

->set(')','brackets,)');

$p->parse($value);

echo '

';

var_dump($p->res);

}

// serialize方式

function serial($table,$arr){

echo '

serialize方式
原数组,未插入前:

';

var_dump($arr);

$serialize = addslashes(serialize($arr));

$insert = array('id'=>'','array'=>$serialize);

insert($table,$insert);

$value = select($table);

echo '

';

var_dump($value);

$serialize = unserialize($value);

echo '

';

var_dump($serialize);

}

//json方式

function json($table,$arr){

echo '

json_encode方式
原数组,未插入前:

';

var_dump($arr);

$enjson = addslashes(json_encode($arr));

$insert = array('id'=>'','array'=>$enjson);

insert($table,$insert);

$value = select($table);

echo '

';

var_dump($value);

$deunjson = json_decode($value,true);

echo '

';

var_dump($deunjson);

}

// 执行函数

//函数end

?>

一维数组

二维数组

implode方式

print_r方式

serialize方式

json_encode方式

if(!empty($_GET['submit'])){

$kind = $_GET['kind'];

$id = $_GET['id'];

}else{

echo "请选择后按提交键";

exit;

}

connect();

$ar1 =array('abcd'=>"sdfasdf",'bbb'=>'lxg','ccc'=>'bbbbbbbbb');//定义一个一维数组

$ar2 = array('a'=>$ar1,'b'=>$ar1);//二维数组

$table = "test";//使用的数据表

if($kind=='1'){

$arr = $ar1;

}else{

$arr = $ar2;

}

switch ($id) {

case '1':

# code...

plode($table, $arr);

break;

case '2':

printR($table,$arr);

break;

case '3':

serial($table,$arr);

break;

case '4':

json($table,$arr);

break;

default:

break;

}

?>