How to replace individual values ​​in a json string?

Question

PHP

i have a json string

{"ops":[{"url":"site.com/100/test"},{"url":"site.com/200/test"}]}

how to copy this string in the same way but replace the values ​​100 and 200 with 1000 and 2000 and return the string

{"ops":[{"url":"site.com/1000/test"},{"url":"site.com/2000/test"}]}

?

Answer 1

$json = '{"ops":[{"url":"site.com/100/test"},{"url":"site.com/200/test"}]}';
$json = str_replace([100, 200], [1000, 2000], $json);
echo $json;
//{"ops":[{"url":"site.com/1000/test"},{"url":"site.com/2000/test"}]}

str_replace