<?php

class NHP_Validation_url extends NHP_Options{	

	

	/**

	 * Field Constructor.

	 *

	 * Required - must call the parent constructor, then assign field and value to vars, and obviously call the render field function

	 *

	 * @since NHP_Options 1.0

	*/

	function __construct($field, $value, $current){

		

		parent::__construct();

		$this->field = $field;

		$this->field['msg'] = (isset($this->field['msg']))?$this->field['msg']:__('You must provide a valid URL for this option.', 'nhp-opts');

		$this->value = $value;

		$this->current = $current;

		$this->validate();

		

	}//function

	

	

	

	/**

	 * Field Render Function.

	 *

	 * Takes the vars and validates them

	 *

	 * @since NHP_Options 1.0

	*/

	function validate(){

		

		if (filter_var($this->value, FILTER_VALIDATE_URL) == false) {

			$this->value = (isset($this->current))?$this->current:'';

			$this->error = $this->field;

		}else{

			$this->value = esc_url_raw($this->value);

		}

				

	}//function

	

}//class

?>