The array_values() function in PHP is used to return all the values from an array and reindexes the array numerically from zero.

🔹 Syntax:

array_values(array $array): array

🔹 Purpose:

• It removes the original keys (whether associative or not) and reindexes the array starting from 0.

🔹 Example 1: Basic Associative Array

<?php
$person = [
    "name" => "Alice",
    "age" => 25,
    "city" => "New York"
];

$values = array_values($person);
print_r($values);
?>

Output:

Array
(
    [0] => Alice
    [1] => 25
    [2] => New York
)

✅ The keys are removed, and values are reindexed from 0.

🔹 Example 2: Indexed Array with Skipped Indexes

<?php
$numbers = [
    3 => 10,
    7 => 20,
    9 => 30
];

$newArray = array_values($numbers);
print_r($newArray);
?>

Output:

Array
(
    [0] => 10
    [1] => 20
    [2] => 30
)

✅ Even though the original array had keys 3, 7, and 9, array_values() reindexes them as 0, 1, 2.

🔹 Example 3: Mixed Keys

<?php
$data = [
    "a" => "Apple",
    1 => "Banana",
    "b" => "Cherry"
];

$values = array_values($data);
print_r($values);
?>

Output:

Array
(
    [0] => Apple
    [1] => Banana
    [2] => Cherry
)

✅ Use Cases:

• When you want a clean indexed array of values only.
• Useful after using array_filter() or array_unique() to reset keys.
• Needed when passing JSON data or using front-end APIs expecting numerical arrays.