[wp-trac] [WordPress Trac] #55054: Call to wp_editor() produces fatal error - tinymce not found or invalid

[WordPress Trac]

#55054: Call to wp_editor() produces fatal error - tinymce not found or invalid
--------------------------------+-----------------------------
 Reporter:  burnside            |      Owner:  (none)
     Type:  defect (bug)        |     Status:  new
 Priority:  normal              |  Milestone:  Awaiting Review
Component:  TinyMCE             |    Version:  5.9
 Severity:  major               |   Keywords:
  Focuses:  ui, administration  |
--------------------------------+-----------------------------
 I have created some plugins which customize the toolbar for the editor
 when used as the textarea for certain form fields. Here is an example of
 the lines of code which will produce a fatal error:

 {{{
 $args = array(
   'tinymce' => array(
     'toolbar1' => 'bold,italic,bullist,link,unlink',
    )
 );
 wp_editor( $editor_content, $editor_id, $args );
 }}}

 ----

 Error in logs:

 PHP Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1
 ($callback) must be a valid callback, function "tinymce" not found or
 invalid function name in /nas/content/live/dev/wp-includes/class-wp-
 hook.php:307

 Stack trace:\n#0 /nas/content/live/dev/wp-includes/plugin.php(189):
 WP_Hook->apply_filters('html', Array)\n#1 /nas/content/live/dev/wp-
 includes/general-template.php(3519): apply_filters('wp_default_edit...',
 'html')\n#2 /nas/content/live/dev/wp-includes/class-wp-editor.php(183):
 wp_default_editor()\n#3 /nas/content/live/dev/wp-includes/general-
 template.php(3547): _WP_Editors::editor('Abstract and bi...', 'content',
 Array)\n#4 /nas/content/live/dev/wp-admin/edit-form-advanced.php(604):
 wp_editor('Abstract and bi...', 'content', Array)\n#5
 /nas/content/live/dev/wp-admin/post.php(206):
 require('/nas/content/li...')\n#6 {main}\n thrown in /nas/content/live/dev
 /wp-includes/class-wp-hook.php on line 307

 ----

 These errors did occur in version 5.8.

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/55054>
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