C:/xampp/htdocs/moodle/lib/zend/Zend/Validate/File/WordCount.php

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<?php
require_once 'Zend/Validate/File/Count.php';

class Zend_Validate_File_WordCount extends Zend_Validate_File_Count
{
    const TOO_MUCH  = 'fileWordCountTooMuch';
    const TOO_LESS  = 'fileWordCountTooLess';
    const NOT_FOUND = 'fileWordCountNotFound';
    protected $_messageTemplates = array(
        self::TOO_MUCH => "Too much words, maximum '%max%' are allowed but '%count%' were counted",
        self::TOO_LESS => "Too less words, minimum '%min%' are expected but '%count%' were counted",
        self::NOT_FOUND => "File '%value%' could not be found",
    );

    public function isValid($value, $file = null)
    {
        // Is file readable ?
        require_once 'Zend/Loader.php';
        if (!Zend_Loader::isReadable($value)) {
            return $this->_throw($file, self::NOT_FOUND);
        }

        $content = file_get_contents($value);
        $this->_count = str_word_count($content);
        if (($this->_max !== null) && ($this->_count > $this->_max)) {
            return $this->_throw($file, self::TOO_MUCH);
        }

        if (($this->_min !== null) && ($this->_count < $this->_min)) {
            return $this->_throw($file, self::TOO_LESS);
        }

        return true;
    }

    protected function _throw($file, $errorType)
    {
        if ($file !== null) {
            $this->_value = $file['name'];
        }

        $this->_error($errorType);
        return false;
    }
}