How to allow duplicate keys in php array?

Web Development

How to allow php array to have duplicate keys?

When I try to insert a key, value pair with already existing key it overwrites the value of corresponding previous key with the new value. Is there a way that I could maintain both duplicate keys having different values?

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Ans: It is possible to have a single key that has a value of an array, which consists of all the elements with that given key. Below is the example that could help you understand better.


$countries = array(


  "United States" => array("Texas", "California"),


  "Canada" => array("Quebec", "Ontario")


);

 
 

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