Front-end WP Editor

functions.php

<?php
function wp_editor_helper( $field ) {
	$key = $field['name'];
	$editor = array(
		'textarea_name' => isset( $field['name'] ) ? $field['name'] : $key,
		'media_buttons' => false,
		'textarea_rows' => 8,
		'quicktags'     => false,
		'tinymce'       => array(
			'plugins'                       => 'lists,paste,tabfocus,wplink,wordpress',
			'paste_as_text'                 => true,
			'paste_auto_cleanup_on_paste'   => true,
			'paste_remove_spans'            => true,
			'paste_remove_styles'           => true,
			'paste_remove_styles_if_webkit' => true,
			'paste_strip_class_attributes'  => true,
			'toolbar1'                      => 'bold,italic,|,bullist,numlist,|,link,unlink,|,undo,redo',
			'toolbar2'                      => '',
			'toolbar3'                      => '',
			'toolbar4'                      => ''
		),
	) ;
	wp_editor( isset( $field['value'] ) ? wp_kses_post( $field['value'] ) : '', $key, $editor );
}
//uses
//wp_editor( array( 'name' => 'editor_name', 'value' => 'pre-field-value' ) );