1.implode将数组元素组合为字符串
连接符为 ^ 的例子:
$array = array('姓名', '电话', '电子邮箱');
$char = implode("^", $array);
echo $char;
?>
浏览器输出:
姓名^电话^电子邮箱
可以使用空格作为连接符:
$char = implode(" ", $array);
?>
2.自定义函数
function array2string($data, $isformdata = 1) {
    if($data == '') return '';
    //if($isformdata) $data = stripslashes($data);
    return addslashes(var_export($data, TRUE));
}
字符转换成数组
例子 1. explode() 示例
 
// 示例 1 
$pizza = "piece1 piece2 piece3 piece4 piece5 piece6"; 
$pieces = explode(" ", $pizza); 
echo $pieces[0]; // piece1 
echo $pieces[1]; // piece2 
// 示例 2 
$data = "foo:*:1023:1000::/home/foo:/bin/sh"; 
list($user, $pass, $uid, $gid, $gecos, $home, $shell) = explode(":", $data); 
echo $user; // foo 
echo $pass; // * 
?>
例子 2. limit 参数示例
 
$str = 'one|two|three|four'; 
// 正数的 limit 
print_r(explode('|', $str, 2)); 
// 负数的 limit 
print_r(explode('|', $str, -1)); 
?>
以上示例将输出: 
Array 
( 
[0] => one 
[1] => two|three|four 
) 
Array 
( 
[0] => one 
[1] => two 
[2] => three 
)