WordPress at a glance
filter is not described

mce_external_plugins filter-hook . WP 1.0

This filter is documented in wp-includes/class-wp-editor.php

Usage

add_filter( 'mce_external_plugins', 'filter_function_name_936', 10, 2 );
function filter_function_name_936( $array, $string ){
	// filter...

	return $array;
}
$array
-
$string
-

Where the hook is called

wp_tinymce_inline_scripts()
mce_external_plugins
_WP_Editors::editor_settings()
mce_external_plugins
wp-includes/script-loader.php 464
$external_plugins = apply_filters( 'mce_external_plugins', array(), 'classic-block' );
wp-includes/class-wp-editor.php 416
$mce_external_plugins = apply_filters( 'mce_external_plugins', array(), $editor_id );

Where in WP core the hook is used WordPress

Usage not found.