How to get keys and values separately from an associative array in PHP?

Use array_keys() to get all the keys and array_values() to get all the values of an associative array. Both return a new array.

<?php
$data = ["key1" => "value1", "key2" => "value2", "key3" => "value3"];

print_r(array_keys($data));
print_r(array_values($data));
?>

Output:

If you need both together, use a foreach loop with the key and value.

<?php
$data = ["key1" => "value1", "key2" => "value2", "key3" => "value3"];

foreach ($data as $key => $value) {
    echo $key . " = " . $value . "<br>";
}
?>

Output:

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