PHP foreach in a deeper array - php

Question

How to foreach through a deeper array in PHP? I want to approach 'price' and list all prices below each other.
$addons = get_product_addons($product->get_id());
When I VAR_DUMP the $addons var, it outputs the below.
array(1) {
[0]=>
array(7) {
["name"]=>
string(8) "Afmeting"
["description"]=>
string(0) ""
["type"]=>
string(6) "select"
["position"]=>
int(0)
["options"]=>
array(10) {
[0]=>
array(5) {
["label"]=>
string(8) "70 x 200"
["price"]=>
string(0) "70.00"
["min"]=>
string(0)""
...
So I want to output this result:
70.00
60.00
Etcetera.. *All prices

Answer 1

I guess that piece of code is what you are looking for:
foreach($addons as $addon)
{
echo $addon["options"]["price"].PHP_EOL;
}
You do not need to use foreach to access nested elements of array. Just use it's key.
PHP_EOL is a constant containing newline for your OS. For web application use special formatting suitable for your page (<br> e.g.)

Answer 2

You can walk or foreach through the items:
<?php
$data =
[
[
'name' => 'orange',
'options' =>
[
'price' => '6.00'
]
],
[
'name' => 'banana',
'options' =>
[
'price' => '4.00'
]
]
];
array_walk($data, function($v) {
echo $v['options']['price'], "\n";
});
Output:
6.00
4.00
Or you could create an array of prices and iterate on that (here using short function syntax):
$prices = array_map(fn($v)=>$v['options']['price'], $data);
var_export($prices);
Output:
array (
0 => '6.00',
1 => '4.00',
)