index.php  has a typical example , if anyone decides to use this , please  check the spelling on error messages ;-)



/**
 *
 * ValidFluent
 *
 * A simple, flexible and easy to use PHP form validation class
 * (uses a fluent interface )
 *
 * @author Andre Soares
 * [email protected]
 *
 * typical use:

  	$valid = new ValidFluent($_POST);

  	$valid->name('user_name')->required('You must chose a user name!')->alfa()->minSize(5);

  	$valid->name('user_email')->required()->email();

  	$valid->name('birthdate')->date('please enter date in YYYY-MM-DD format');

 	if ($valid->isGroupValid())
 	    echo 'Validation Passed!';

 * //////////////////////////////////////
 * OR
 *
	 $valid = new ValidFluent($_POST);

  	if (  $valid->name('user_name')->required('You must chose a user name!')->alfa()->minSize(5)
  		    ->name('user_email')->required()->email()
  		    ->name('birthdate')->date('please enter date in YYYY-MM-DD format')
  		    ->isGroupValid() )
  	    echo 'Validation passed!';


 * //////////////////////////////////////////////////////////////////
 *    On HTML
  <form method="POST">

  	    <input type="text"   name="email"
  		   value="<?php echo $valid->getValue('email'); ?>" />
  	    <span class="error">
  		<?php echo $valid->getError('email'); ?>
  	    </span>
  	    ...
  	    ...

 * ///////////////////////////////////////////////////////////////////
 *  To create new validation rules!

  #1 define default error message
  private static $error_myValidaton = 'my default error message';

  #2 create new validation function
  function myValidation($param , $errorMsg=NULL)
  {
  if ($this->isValid && (! empty($this->currentObj->value)))
  {
  //
  //code to check if validation pass
  //
  $this->isValid = // TRUE or FALSE ;
  if (! $this->isValid)
  $this->setErrorMsg($errorMsg, self::$error_myValidation, $param);
  }
  return $this;
  }

 #3 use it
 $Valid->name('testing')->myValidation(10, 'some error msg!');
 *
 *
 */