faker.php

<?php

/**
 * Class for generating fake data
 * 
 * @package Faker
 * @version 0.2
 * @copyright 2007 Caius Durling
 * @author Caius Durling
 * @author ifunk
 * @author FionaSarah
 * 
 */

/**
* Faker Class
* 
* @package Faker
*/
class Faker
{
	
	public static $_instances = array();
	
	public function __construct()
	{
	}
	
	public function __tostring()
	{
		return "";
	}
		
	public function &__get( $var )
	{
		if (empty(Faker::$_instances[$var])) {

			$filename = dirname(__FILE__)."/lib/".strtolower($var).".php";

			if(!file_exists($filename))
				return NULL;

			include $filename;

			Faker::$_instances[$var] = new $var;

		}
		return Faker::$_instances[$var];
	}
	
	// todo: use __autoload()
	
	/**
	 * Returns a random element from a passed array
	 *
	 * @param array $array 
	 * @return string
	 * @author Caius Durling
	 */	
	protected function random(&$array)
	{
		return $array[mt_rand(0, count($array)-1)];
	}
	
	/**
	 * Returns a random number between 0 and 9
	 *
	 * @return integer
	 * @author Caius Durling
	 */
	protected function rand_num()
	{
		return mt_rand(0, 9);
	}
	
	/**
	 * Returns a random letter from a to z
	 *
	 * @return string
	 * @author Caius Durling
	 */
	protected function rand_letter()
	{
		return chr(mt_rand(97, 122));
	}
	
	
	/**
	 * Replaces all occurrences of # with a random number
	 *
	 * @param string $string String you wish to have parsed
	 * @return string
	 * @author Caius Durling
	 */
	public function numerify( $string )
	{
		foreach ( str_split( $string ) as $char ) {
			$result[] = str_replace( '#', $this->rand_num(), $char );
		}
		return join( $result );
	}
	
	/**
	 * Replaces all occurrences of ? with a random letter
	 *
	 * @param string $string String you wish to have parsed
	 * @return string
	 * @author Caius Durling
	 */
	public function lexify( $string )
	{
		foreach ( str_split( $string ) as $char ) {
			$result[] = str_replace( '?', $this->rand_letter(), $char );
		}
		return join( $result );
	}
	
	/**
	 * Replaces all occurrences of # with a random number and
	 * replaces all occurrences of ? with a random letter
	 *
	 * @param string $string String you wish to have parsed
	 * @return string
	 * @author Caius Durling
	 */
	public function bothify( $string )
	{
		$result = $this->numerify( $string );
		$result = $this->lexify( $result );
		return $result;
	}
	
}

?>