Force Code (Appearance) Editor to Use Spaces Not Tabs
The WordPress theme/plugin (file) editor uses CodeMirror for syntax highlighting, and with the hook wp_enqueue_code_editor (which is available starting from WordPress version 4.9.0), you can filter the default CodeMirror settings, as in the following example: add_filter( ‘wp_code_editor_settings’, function( $settings ) { $settings[‘codemirror’][‘indentUnit’] = 2; $settings[‘codemirror’][‘indentWithTabs’] = false; return $settings; } ); See http://codemirror.net/doc/manual.html#config if you’d … Read more