数组转字符串 implode()
eg:
$category1 = implode("-",array("id" => "1000214","category" => "国内新闻"));$category2 = implode("-",array("id" => "1000215","category" => "国际新闻"));$category5 = implode("-",array("id" => "1000216","category" => "娱乐新闻"));
echo $category1.'<br>';echo $category2.'<br>';echo $category5.'<br>';
输出:
1000214-国内新闻1000215-国际新闻1000216-娱乐新闻
字符串转数组 explode()
eg:
print_r( explode("-",$category1) );
print_r( explode("-",$category2) );
print_r( explode("-",$category5) );
输出:
Array ( [0] => 1000214 [1] => 国内新闻 ) Array ( [0] => 1000215 [1] => 国际新闻 ) Array ( [0] => 1000216 [1] => 娱乐新闻 )