Case insensitive preg_replace_callback

Question

In the function below, I want to match the keyword case insensitive (should match \"Blue Yoga Mats\" and \"blue yoga mats\")...

However, it currently only matches if the

Answer 1

Use the /i modifier:

$post->post_content = preg_replace_callback("/\b($mykeyword)\b/i","doReplace", $post->post_content);