- array_map: documentation ( source)
- str_replace: documentation ( source)
- array_keys: documentation ( source)
<?php
$optimization_prompt = '[not a key] The product title is [title] and the price is [price] and this product link is [link]';
$get_product = ['title' => 'theTitle', 'price' => 45, 'link' => 'https://thelink.com'];
$result = str_replace(
array_map(fn($k) => "[$k]", array_keys($get_product)),
$get_product,
$optimization_prompt
);
echo $result;