generate an article with OpenAI for a wordpress post based on the title of the post

function generate_article_from_title($title) {
    
    $gpt_title = str_replace(" ", "_", $title);
    $gpt_title = strtolower($gpt_title);

    $gpt_title = str_replace("?", "_questionmark", $gpt_title);
    
    $gpt_text = file_get_contents("http://api.openai.com/v1/engines/davinci/completions?text=" . $gpt_title . "&max_tokens=500");
    $gpt_text = json_decode($gpt_text,true);
    
    $generated_text = $gpt_text["choices"][0]["text"];
    
    $generated_text = str_replace("_", " ", $generated_text);
    $generated_text = str_replace("_questionmark", "?", $generated_text);
    
    return $generated_text;
}