It looks like you're writing PHP, in which case you want: <? $arr=array('us'=>'United', 'ca'=>'canada'); $key='ca'; echo $arr[$key]; ?>. ... <看更多>

Assuming you have the same number of items for each key, here are two alternative approaches: Foreach: <?php $setParams = [ 'repeat_delay' ... ... <看更多>

... pair after a specific key in an array. If key doesn't exist, value is appended to the end of the array. - array-insert-after.php. ... @return array. ... <看更多>