Set post to draft if matching word is found in the post

I rewrote the text of the code for you, there are only a few things I have to tell you.

1 You should put the words you want to search in the $string variable.

2 To solve the problem of finding hello and hell at the same time, I used the preg_match function and the problem was solved and now it only finds one word.

preg_match("/\b{$url}\b/", $content)

3 I have used WordPress admin_notices to display the error message, but in order to delete the message after a certain time, I used the set_transient() function. In this function, you can set your time instead of 10 seconds .

Well, the original code is here:


function jhnppdraft($post_id, $post)
{
    /** Set harmful words in this array */
    $string = " hello ,  hell   , pineapple ";

    $prohibited_words = explode(",", $string);
    $content = $post->post_content;

    /** Search for words in the content of the post */
    $searched = [];
    foreach ($prohibited_words as $url) {
        $url = trim($url);
        if (preg_match("/\b{$url}\b/", $content)) {
            $searched[] = $url;
        }
    }
    /** check if words are found */
    if (!empty($searched)) {
        /** set post status to draft */
        wp_update_post(array(
            'ID' => $post_id,
            'post_status' => 'draft',
        ));
        /** show error if words are used */
        $text = sprintf(
            __(
                'Your post has been set to draft since it contains the following words: ("%s"). Please remove them and try publishing again.',
                'jhnpp'
            ),
            implode('", "', $searched)
        );
        /** set_transient Set to show general_admin_notice() */
        set_transient('jhnpp', $text, 10); // You can set the display time of admin_notices to seconds

    }
}
add_action('publish_post', 'jhnppdraft', 10, 2);

Error message display section:


function general_admin_notice()
{
    // Display the error text here
    $transient = get_transient('jhnpp');
    if(!$transient) return;

    echo '<div class="notice notice-warning is-dismissible">
             <p>' . $transient. ' </p>
         </div>';
}

add_action('admin_notices', 'general_admin_notice');

Here you can see that it recognized the word hello and did not recognize the word hell.

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