以下四种方法：
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 //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($explode);
}
// serialize方式
function serial($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,$arr); break; default: break; } ?> // print_r方式
function printR($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);
}