wordpress の tinymceエディタに独自スタイルをつけたい｡

wordpress上のスタイルというツールに
独自のスタイルを付与したいと考えています｡

https://wpdocs.osdn.jp/%E9%96%A2%E6%95%B0%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9/add_editor_style

上記URLを参考に

php
1function wpdocs_theme_add_editor_styles()
2{
3    add_editor_style('custom-editor-style.css');
4}
5add_action('admin_init', 'wpdocs_theme_add_editor_styles');

上記のようなソースをfunctions.phpに追加して､

実際に追加したいスタイルを

php
1if (!function_exists('initialize_tinymce_styles')):
2    function initialize_tinymce_styles($init_array)
3{
4        //追加するスタイルの配列を作成
5        $style_formats = array(
6            array(
7                'title' => '○本文',
8                'block' => 'p',
9                'classes' => 'main-contents',
10                "wrapper" => false,
11            ),
12			array(
13                'title' => '○見出し1',
14                'block' => 'h2',
15                'classes' => 'original-header-1',
16                "wrapper" => false,
17            ),
18            array(
19                'title' => '○見出し2',
20                'block' => 'h3',
21                'classes' => 'original-header-2',
22                "wrapper" => false,
23            ),
24            array(
25                'title' => '○見出し3',
26                'block' => 'h4',
27                'classes' => 'original-header-3',
28                "wrapper" => false,
29			),
30            array(
31                'title' => '○枠1',
32                'block' => 'div',
33                'classes' => 'original-outline-1',
34                "wrapper" => true,
35            ),
36            array(
37                'title' => '○枠2',
38                'block' => 'div',
39                'classes' => 'original-outline-2',
40                "wrapper" => true,
41            ),
42            array(
43                'title' => '○枠3',
44                'block' => 'div',
45                'classes' => 'original-outline-3',
46                "wrapper" => true,
47            ),
48            array(
49                'title' => '○画像枠1',
50                'block' => 'div',
51                'classes' => 'original-outline-4',
52                "wrapper" => true,
53            ),
54            array(
55                'title' => '○吹き出し人名左',
56                'block' => 'div',
57                'classes' => 'voice-left',
58                "wrapper" => true,
59            ),
60            array(
61                'title' => '○吹き出し内容左',
62                'block' => 'div',
63                'classes' => 'voice-box-left',
64                "wrapper" => true,
65            ),
66            array(
67                'title' => '○吹き出し人名右',
68                'block' => 'div',
69                'classes' => 'voice-right',
70                "wrapper" => true,
71            ),
72            array(
73                'title' => '○吹き出し内容右',
74                'block' => 'div',
75                'classes' => 'voice-box-right',
76                "wrapper" => true,
77            ),
78            array(
79                'title' => '○店舗情報枠',
80                'block' => 'div',
81                'classes' => 'shop-info',
82                "wrapper" => true,
83            ),
84            array(
85                'title' => '○店舗リンク',
86                'inline' => 'a',
87                'classes' => 'shop-link',
88                "wrapper" => false,
89            ),
90			array(
91                'title' => '○店舗リンクボタン',
92                'inline' => 'a',
93				'classes' => 'original-button-1',
94				"attributes" => [
95					"href" => "https://shop.com"
96				],
97                "wrapper" => false,
98            ),
99		);
100        //JSONに変換
101        $init_array['style_formats'] = json_encode($style_formats);
102        return $init_array;
103    }
104endif;
105add_filter('tiny_mce_before_init', 'initialize_tinymce_styles', 10000);