How to extract a number from a string in php?

Question

PHP

Hello dear php-experts!
Tell me how to extract 102 from such a string "{\"response\":{\"post_id\":102}}" in php, you will help me a lot! Thanks in advance!

Answer 1

$json = json_decode("{\"response\":{\"post_id\":102}}", true);
$result = $json['response']['post_id'];