Indefined index php array

Question

Why am I getting undefined. That is most silly code I've posted but I have no PHP programmer to ask, so here I am.

 $resultados = ["nome" => "magalu", "idade" => 200];



 echo $resultados[0]["idade"];

Let's go

 $resultados = ["nome" => "diego", "idade" => 200];

I am creating a variable with index 0 equal to an array that has two keys "nome", "idade".

echo $resultados[0]["idade"];

Now I am accessing that index and displaying the value of the "idade" key.

There is no index 0 based on your array. The only indexes you have are 'nome ' and 'idade'. — blupointmedia, Oct 28 '19 at 17:14
What do you mean "*I am creating a variable with index 0 equal to an array*"? — Dharman, Oct 28 '19 at 17:14
I wrote this question in rage.But what can I do my brain grew with typed languages and will always be cauch. — Diego Alves, Oct 28 '19 at 17:24
`$resultados = [ ["nome" => "diego", "idade" => 200] ];` would allow you to `echo $resultados[0]["idade"];` or `echo $resultados[0]['nome'];` — jibsteroos, Oct 28 '19 at 17:28

score 0 · Answer 1 · answered Oct 28 '19 at 17:15

0

What you should do is

echo $resultados["idade"];

It should be

$array[$key]

In your case keys are nome and idade

If you want to display the entire array you can use print_r or var_dump. For example print_r($resultados) or var_dump($resultados).

answered Oct 28 '19 at 17:15

Areg

score 0 · Accepted Answer · answered Oct 28 '19 at 17:16

0

With what you have you have two indexes. 'nome' and 'idade'.

$resultados = ["nome" => "diego", "idade" => 200];

If you want 0 then you can add these to an array like this and then you can use 0 index.

$resultados = [["nome" => "diego", "idade" => 200]];
echo $resultados[0]["idade"];

answered Oct 28 '19 at 17:16

blupointmedia

Yes, "resultados" is not an array. I needed $resultados[] = ["nome"..... – Diego Alves Oct 28 '19 at 17:23
Doing this once $resultados[] = is the same as my example. :) – blupointmedia Oct 28 '19 at 17:35

2 Answers2