Question 262983 in PHP Question posted in
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What is difference between $data = array() and $data[] = array() in PHP?

What is the difference between:

 $data = array("id"=>1,"name"=>"Rock");

And

$data[] = array("id"=>1,"name"=>"Rock");
Tags:

2

Answers


  1. 0

    Your first expression intialises a new variable as an array

    $data = array("id"=>1,"name"=>"Rock");
print_r($data);

    Results:

    Array
(
    [id] => 1
    [name] => Rock
)

    Your second version appends data to an existing array. Let’s imagine you already have an array $data with some content:

    $data = array('some', 'initial', 'data', 'here');

    Then you append some data and show the result:

    $data[] = array("id"=>1,"name"=>"Rock");
print_r($data);

    Results:

    Array
(
    [0] => some
    [1] => initial
    [2] => data
    [3] => here
    [4] => Array
        (
            [id] => 1
            [name] => Rock
        )

)
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  2. 0

    $data = array("id"=>1,"name"=>"Rock");

    array = [
        "id" => 1,
        "name" => "rock"
];

$data = array("id"=>1,"name"=>"Rock");

array = [
        "id" => 1,
        "name" => "rock"
];
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