learnpress / inc / abstracts / abstract-shortcode.php

abstract-shortcode.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.1.7, at inc/abstracts/abstract-shortcode.php

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1	<?php
2	/**
3	* Abstract Class for Shortcodes.
4	*
5	* @author ThimPress
6	* @category Abstract
7	* @package Learnpress/Classes
8	* @version 3.0.0
9	*/
10
11	/**
12	* Prevent loading this file directly
13	*/
14	defined( 'ABSPATH' ) \|\| exit();
15
16
17	if ( ! class_exists( 'LP_Abstract_Shortcode' ) ) {
18
19	/**
20	* Class LP_Abstract_Shortcode
21	*/
22	abstract class LP_Abstract_Shortcode {
23	/**
24	* Shortcode attributes.
25	*
26	* @var array\|null
27	*/
28	protected $_atts = null;
29
30	/**
31	* @var string
32	*/
33	protected $_name = '';
34
35	/**
36	* LP_Abstract_Shortcode constructor.
37	*
38	* @param mixed $atts
39	*/
40	public function __construct( $atts = '' ) {
41	$this->_atts = (array) $atts;
42	}
43
44	/**
45	* Return content of the shortcode.
46	*
47	* @return mixed
48	*/
49	abstract function output();
50
51	/**
52	* Get shortcode attributes.
53	*
54	* @return mixed
55	*/
56	public function get_atts() {
57	return apply_filters( 'learn-press/shortcode-' . $this->get_name() . '-atts', $this->_atts );
58	}
59
60	/**
61	* Get default name of shortcode (without prefix learn_press_) if it is not set.
62	*
63	* @return mixed\|string
64	*/
65	public function get_name() {
66	if ( ! $this->_name ) {
67	if ( preg_match( '~^lp_(.*)_shortcode$~i', get_class( $this ), $m ) ) {
68	$this->_name = preg_replace( '~_~', '-', strtolower( $m[1] ) );
69	}
70	}
71
72	return $this->_name;
73	}
74
75	/**
76	* Convert to string
77	*
78	* @return mixed
79	*/
80	public function __toString() {
81	return $this->output();
82	}
83	}
84	}
85