PHP的:通过索引插入到关联数组?(PHP: insert into associative array by index?)
我有一个数组像:
$example = array("car"=>"red", "banana"=>"yellow", etc...)是否有可能通过索引而不是键值来改变数组的值
$example[0] = "blue";所以数组现在看起来像
$example = array("car"=>"blue", "banana"=>"yellow", etc...)I have an array like:
$example = array("car"=>"red", "banana"=>"yellow", etc...)Is it possible to alter a value of the array by index instead of key value like
$example[0] = "blue";So that the array now looks like
$example = array("car"=>"blue", "banana"=>"yellow", etc...)最满意答案
你可以这样做:
$e = array("car"=>"red", "banana"=>"yellow"); $keys = array_keys($e); $e[$keys[0]] = 'blue'; var_dump($e);输出是
array(2) { ["car"]=> string(4) "blue" ["banana"]=> string(6) "yellow" }you can do this way:
$e = array("car"=>"red", "banana"=>"yellow"); $keys = array_keys($e); $e[$keys[0]] = 'blue'; var_dump($e);the output is
array(2) { ["car"]=> string(4) "blue" ["banana"]=> string(6) "yellow" }更多推荐
发布评论