convertkit / includes / class-convertkit-output-broadcasts.php

class-convertkit-output-broadcasts.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 3.0.6, at includes/class-convertkit-output-broadcasts.php

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1	<?php
2	/**
3	* ConvertKit Output Broadcasts class.
4	*
5	* @package ConvertKit
6	* @author ConvertKit
7	*/
8
9	/**
10	* Applies a body CSS class to Posts, Pages and Custom Posts
11	* that were imported from Kit's Broadcasts, to allow
12	* CSS to target common themes that may override some
13	* broadcast styling.
14	*
15	* @since 2.7.4
16	*/
17	class ConvertKit_Output_Broadcasts {
18
19	/**
20	* Constructor.
21	*
22	* @since 2.7.4
23	*/
24	public function __construct() {
25
26	add_filter( 'body_class', array( $this, 'maybe_add_body_class' ) );
27
28	}
29
30	/**
31	* Adds a .convertkit-broadcast CSS class to Posts, Pages and Custom Posts
32	* <body> tag where the content was imported from a Kit Broadcast.
33	*
34	* @since 2.7.4
35	*
36	* @param array $css_classes CSS classes for body tag.
37	* @return array
38	*/
39	public function maybe_add_body_class( $css_classes ) {
40
41	// Don't add a CSS class if the request isn't for an imported Broadcast.
42	if ( ! is_singular() ) {
43	return $css_classes;
44	}
45
46	if ( empty( get_post_meta( get_the_ID(), '_convertkit_broadcast_id', true ) ) ) {
47	return $css_classes;
48	}
49
50	$css_classes[] = 'convertkit-broadcast';
51	return $css_classes;
52
53	}
54
55	}
56