Smarter word-wrap in PHP for long words?

Question

I\'m looking for a way to make word-wrap in PHP a bit smarter. So it doesn\'t pre-break long words leaving any prior small words alone on one line.

Let\'s say I have

Answer 1

How about

$string = "hello! heeeeeeeeeeeeeeereisaverylongword";
$break = 25;

echo implode(PHP_EOL, str_split($string, $break));

Which outputs

hello! heeeeeeeeeeeeeeere                                                                                                                                                           
isaverylongword

str_split() converts the string to an array of $break size chunks.

implode() joins the array back together as a string using the glue which in this case is an end of line marker (PHP_EOL) although it could as easily be a '
'