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I am unable to have the array_search() working.

I have a string from an API call in a variable $myresp

[{"name":"product 1","order_id":1,"product_type":"new","qty_ordered":1,"sku":"8057","scaffale":"B-21-B"},{"name":"Product 2","order_id":1,"product_type":"old","qty_ordered":1,"sku":"8057","scaffale":"B-21-B"}]

I then use $mydata = json_decode($myresp); to get an array format

Using print_r($mydata); returns me

Array ( [0] => stdClass Object ( [name] => Product 1 [order_id] => 1 [product_type] => new [qty_ordered] => 1 [sku] => 8057 [scaffale] => B-21-B ) [1] => stdClass Object ( [name] => Product 2 [order_id] => 1 [product_type] => old [qty_ordered] => 1 [sku] => 8057 [scaffale] => B-21-B ) )

If I try using echo array_search("new", $mydata); I am expecting to get the value of the key of the array tha contains value = new (in this case array 0) .

Unfortunately is doing nothing.

What am I doing wrong?

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You must use json_encode with the second parameter set true, so that it returns an associative array otherwise it will return an array of objects. In your case it will return a multidimensional array.

$mydata = json_decode($myresp, true); //mydata is a multidimensional array

To find the value in $mydata, you can use

$key = array_search('new', array_column($mydata, 'product_type'));
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    Thank you, it worked perfectly !! Commented Oct 7, 2021 at 12:32

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