PHP将数组存入数据库中的四种方式

<?php
	// 将数组存入数据库中的四种方式
	//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) . "<br />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 '<h3 style="color:red"><b>implode</b>方式<br/>原数组,未插入前:</h3>';
		var_dump($arr);
		$str = addslashes(implode(",", $arr));
		$insert = array('id'=>'','array'=>$str);
		if(insert($table,$insert)){
			echo "插入成功.<br/>";
		}else{
			echo "插入失败";
			exit;
		}
		$value = select($table);
		echo '<h3 style="color:red"><插入的内容：></h3>';
		
		var_dump($value);
		$explode = explode(",",$value);
		echo '<h3 style="color:red"><最终提取后处理的内容：></h3>';
		var_dump($explode);
 
	}
 
// print_r方式
	function printR($table,$arr){
		echo '<h3 style="color:red"><b>print_r方式</b><br/>原数组,未插入前:></h3>';
		var_dump($arr);
 
		$print = addslashes(print_r($arr, true));
		$insert = array('id'=>'','array'=>$print);
		insert($table,$insert);
		$value = select($table);
		
 
		echo '<h3 style="color:red"><插入的内容:></h3>';
 
		var_dump($value);
$p = new App;
$p->set('Array','group')
  ->set('[','brackets,[')
  ->set('] =>','brackets,]')
  ->set(')','brackets,)');
$p->parse($value);
		echo '<h3 style="color:red"><最终提取后处理的内容：></h3>';
 
var_dump($p->res);
	}
 
 
// serialize方式
function serial($table,$arr){
		echo '<h3 style="color:red"><b>serialize</b>方式<br/>原数组,未插入前:</h3>';
		var_dump($arr);
 
		$serialize = addslashes(serialize($arr));
		$insert = array('id'=>'','array'=>$serialize);
		insert($table,$insert);
		$value = select($table);
		echo '<h3 style="color:red"><方式插入数据库中的内容:></h3>';
		var_dump($value);
		$serialize = unserialize($value);
		echo '<h3 style="color:red"><最终提取后处理的内容：></h3>';
		var_dump($serialize);
}
//json方式
function json($table,$arr){
		echo '<h3 style="color:red"><b>json_encode</b>方式<br/>原数组,未插入前:</h3>';
		var_dump($arr);
 
		$enjson = addslashes(json_encode($arr));
		$insert = array('id'=>'','array'=>$enjson);
		insert($table,$insert);
		$value = select($table);
		echo '<h3 style="color:red"><方式插入数据库中的内容:></h3>';
		var_dump($value);
		$deunjson = json_decode($value,true);
		echo '<h3 style="color:red"><最终提取后处理的内容：></h3>';
		var_dump($deunjson);
}
// 执行函数
 //函数end
 
 
?>
<form action="" method="get">
<select name="kind">
	<option value="1">一维数组</option>
	<option value="2">二维数组</option>
 
</select>
<select name="id">
	<option value="1">implode方式</option>
	<option value="2">print_r方式</option>
	<option value="3">serialize方式</option>
	<option value="4">json_encode方式</option>
 
</select>
<input type="submit" value="提交" name="submit">
</form>
<?php
 
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;
	}
 
?>