chamilo-lms2/main/inc/lib/formvalidator/Rule/MultipleRequired.php

<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP version 4.0                                                      |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group                                |
// +----------------------------------------------------------------------+
// | Copy of the existing rule "required" to check if at least one element|
// | has been filled. Then $value can be an array						  |
// +----------------------------------------------------------------------+
// | Authors: Eric Marguin <e.marguin@elixir-interactive.com>             |
// +----------------------------------------------------------------------+

/**
* Required elements validation
* @version     1.0
*/
class HTML_QuickForm_Rule_MultipleRequired extends HTML_QuickForm_Rule
{
    /**
     * Checks if all the elements are empty
     *
     * @param     string    $value      Value to check (can be an array)
     * @param     mixed     $options    Not used yet
     * @access    public
     * @return    boolean   true if value is not empty
     */
    function validate($value, $options = null)
    {
    	if (is_array($value))
    	{
    		$value = implode(null, $value);
    	}
        if ((string) $value == '') {
            return false;
        }
        return true;
    } // end func validate


    function getValidationScript($options = null)
    {
        return array('', "{jsVar} == ''");
    } // end func getValidationScript

} // end class HTML_QuickForm_Rule_MultipleRequired