Filter the prompt sent to OpenAI to generate alt text for images

filter-the-prompt-sent-to-openai-to-generate-alt-text-for-images.php

function sp_ai_openai_alt_text($prompt_alt_text, $post_id) {
    $language = 'English';

    $image_src = wp_get_attachment_image_src($post_id, 'full');

    $prompt_alt_text = sprintf(__('Write in less than 10 words an alternative text to improve accessibility and SEO, in this language %1$s, for this image URL: %2$s.', 'wp-seopress-pro'), esc_attr($language), esc_html($image_src[0]));
    
    return $prompt_alt_text;
}
add_filter( 'seopress_ai_openai_alt_text', 'sp_ai_openai_alt_text', 10, 2 );