tiny_mce_before_init

apply_filters('tiny_mce_before_init') is found 2 times:

• /wp-includes/class-wp-editor.php line 817

  				 * @param array  $mce_init  An array with TinyMCE config.
  				 * @param string $editor_id Unique editor identifier, e.g. 'content'. Accepts 'classic-block'
  				 *                          when called from block editor's Classic block.
  				 */
  				$mce_init = apply_filters( 'tiny_mce_before_init', $mce_init, $editor_id );
  			}
  
  			if ( empty( $mce_init['toolbar3'] ) && ! empty( $mce_init['toolbar4'] ) ) {
  				$mce_init['toolbar3'] = $mce_init['toolbar4'];
  				$mce_init['toolbar4'] = '';
  			}
  

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• /wp-includes/script-loader.php line 617

  		$tinymce_settings = array_merge( $tinymce_settings, $editor_settings['tinymce'] );
  	}
  
  	/** This filter is documented in wp-includes/class-wp-editor.php */
  	$tinymce_settings = apply_filters( 'tiny_mce_before_init', $tinymce_settings, 'classic-block' );
  
  	/*
  	 * Do "by hand" translation from PHP array to js object.
  	 * Prevents breakage in some custom settings.
  	 */
  	$init_obj = '';
  

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