Load in words, not letters [WordPress/PHP]

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I hope someone can help me out.

I’m working on a website where I installed WordPress. On the frontpage I have a small div where I want to output the first 10 words from another page with pageID.
At the moment it’s almost working but instead of loading in 10 words it’s loading in 10 letters.

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Example:
Instead of: Hello my name is Erwin and this is a test
It loads: Hello my nam

What am I doing wrong?

I Use the following php in functions.php: 

if(!function_exists('getPageContent'))
{
    function getPageContent($pageId,$num_words)
    {
        if(!is_numeric($pageId))
        {
            return;
        }
        global $wpdb;
        $nsquery = 'SELECT DISTINCT * FROM ' . $wpdb->posts .
        ' WHERE ' . $wpdb->posts . '.ID=' . $pageId;
        $post_data = $wpdb->get_results($nsquery);
        if(!empty($post_data))
        {
            foreach($post_data as $post)
            {
                $text_out=nl2br($post->post_content);
                $text_out=str_replace(']]>', ']]>', $text_out);
                $text_out = strip_tags($text_out);
                return substr($text_out,0,$num_words);

            }
        }
    }}

And I use the following string to load in the content:
(Where 89 is my Page ID) 

echo getPageContent(89,10);
Post Views: 2

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4 comments

  1. This will extract first 10 words of your string

    $text_out = "Hello my name is Erwin and this is a test and this is another test";
$num_words = 10;
echo implode(' ', array_slice(explode(' ', $text_out), 0, $num_words));

    Output

    Hello my name is Erwin and this is a test

  4. Here $num_words = 10

    it means substr breaks the string from character 0 to 10

    if you want whole string then you have to echo

    echo getPageContent(89,32);