<?php

if (!class_exists('Redux_Validation_url')) {
    class Redux_Validation_url  {

        /**
         * Field Constructor.
         *
         * Required - must call the parent constructor, then assign field and value to vars, and obviously call the render field function
         *
         * @since ReduxFramework 1.0.0
         */
        function __construct($parent, $field, $value, $current) {

            $this->parent       = $parent;
            $this->field        = $field;
            $this->field['msg'] = (isset($this->field['msg'])) ? $this->field['msg'] : __('You must provide a valid URL for this option.', 'redux-framework');
            $this->value        = $value;
            $this->current      = $current;

            $this->validate();
        }  //function

        /**
         * Field Render Function.
         *
         * Takes the vars and validates them
         *
         * @since ReduxFramework 1.0.0
         */
        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
}