Is.class.php

<?php
/*!
 * class Is
 * (c) Stephen Middleton 2010
 *     Liscensed under the MIT Liscense
 *     <http://www.opensource.org/licenses/mit-license.html>
 * Provides Static methods to determine the type on an inputted element.
 * Also exposes functions nessicary to test if [[Type]].
 * 
 * Usage::
 * if ( Is::_Array($arr) ){...}
 * if ( Is::_Test($arr) ){...}
 * $typeof = Is::_Test($variable);
 */

class Is {

  public static $calls = array(
    "array",   "string",
    "integer", "float",
    "object",  "boolean",
    "null"
  );

  public function _Test($inp){
    foreach (self::$calls as $val){
      $call = "_" . ucfirst($val);
      if (self::$call($inp)){
        return $val;
      }
    }
  }

  public function _Array($inp){
    if (is_object($inp)){
      return false;
    }
    return (bool)((array)$inp === $inp);
  }

  public function _String($inp){
    if (is_object($inp)){
      return false;
    }
    return (bool)((string)$inp === $inp);
  }

  public function _Integer($inp){
    if (is_object($inp)){
      return false;
    }
    return (bool)((int)$inp === $inp);
  }

  public function _Float($inp){
    if (is_object($inp)){
      return false;
    }
    return (bool)((float)$inp === $inp);
  }

  public function _Object($inp){
    return is_object($inp);
  }

  public function _Boolean($inp){
    if (is_object($inp)){
      return false;
    }
    return (bool)((bool)$inp === $inp);
  }

  public function _Null($inp){
    if (is_object($inp)){
      return false;
    }
    return (bool)((unset)$inp === $inp);
  }

}