php数组转字符串，字符串转数组简单方法

php数组转字符串，字符串转数组






结果：



Array ( [0] => s [1] => m [2] => s [3] => y [4] => u [5] => n )
 

Array ( [0] => tanteng [1] => zhangsan [2] => lisi [3] => wangwu )
 

tanteng,wang,baidu