DaveChild / Text-Statistics

     * @param   string  $strEncoding  Encoding of text

     * @return  int

     */

    public static function wordCount($strText, $strEncoding = '')

    {

        if (strlen(trim($strText)) == 0) {

            return 0;

        }

        // Will be tripped by em dashes with spaces either side, among other similar characters

        $intWords = 1 + self::textLength(preg_replace('`[^ ]`', '', preg_replace('`\s+`', ' ', $strText)), $strEncoding); // Space count + 1 is word count

        return $intWords;

    }

    /**

     * Returns sentence count for text.

     * @param   string  $strEncoding  Encoding of text

     * @return  int

     */

    public static function sentenceCount($strText, $strEncoding = '')

    {

        if (strlen(trim($strText)) == 0) {

            return 0;

        }

        // Will be tripped up by "Mr." or "U.K.". Not a major concern at this point.

        $intSentences = max(1, self::textLength(preg_replace('`[^\.!?]`', '', $strText), $strEncoding));

        return $intSentences;

    }

    /**

     * Returns average words per sentence for text.