PHP数组运算符[重复]

Question

This question already has an answer here:

• Is it necessary to declare PHP array before adding values with []? 11 answers

I’m now learning PHP array but I have a question about the array operator. I saw an example when creating an array like this:

<?php
$array = array();
$array["a"] = "apple";
$array["b"] = "banana";
?>

Do I really need to declare the variable as array first?
Or can I just ignore the first line: $array = array();?

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Answer 1

Better yet, just initialize your array and assign values to it at the same time:

<?php
    $array = array(
        "a" => "apple",
        "b" => "banana"
    );
?>