How to Truncate a string in PHP to the word closest to a certain number of characters?

Question

I have a code snippet written in PHP that pulls a block of text from a database and sends it out to a widget on a webpage. The original block of text can be a lengthy artic

Answer 1

Added IF/ELSEIF statements to the code from Dave and AmalMurali for handling strings without spaces

if ((strpos($string, ' ') !== false) && (strlen($string) > 200)) { 
    $WidgetText = substr($string, 0, strrpos(substr($string, 0, 200), ' ')); 
} 
elseif (strlen($string) > 200) {
    $WidgetText = substr($string, 0, 200);
}