TinyMCE filter adding buttons

TinyMCE filter - add buttons

<?php
/**
 * Filter TinyMCE styleselect dropdown
 * 
 * @link http://codex.wordpress.org/TinyMCE_Custom_Styles
 * @param array $init_array
 * @return type 
 * @hook tiny_mce_before_init
 */
function wp_light_mce_before_init_insert_formats($init_array) {

21$style_formats = array(
		// Each array child is a format with it's own settings
		array(
			'title' => 'Header Block',
			'selector' => 'p',
			'classes' => 'header-block-pri fonts-hiQ',
		),
		array(
			'title' => 'Header Block 2',
			'selector' => 'p',
			'classes' => 'header-block-sec',
		),
		array(
			'title' => 'Red Title span',
			'selector' => 'span',
			'block' => 'span',
			'classes' => 'clr-strong',
		),
		array(
			'title' => 'Paragraph break',
			'selector' => 'span',
			'classes' => 'paragraph-break',
		),
		array(
			'title' => 'P larger',
			'block' => 'p',
			'classes' => 'txt-larger',
		),
		array(
			'title' => 'Big list',
			'selector' => 'ul',
			'classes' => 'big-list clr-light',
		),
		array(
			'title' => 'Heading Blue',
			'selector' => 'h2',
			'classes' => 'txt-large clr-light',
		),
		array(
			'title' => 'Column Header',
			'selector' => 'h2',
			'classes' => 'col-header',
		),
	);

	// Insert the array, JSON ENCODED, into 'style_formats'
	$init_array['style_formats'] = json_encode( $style_formats );

	return $init_array;
}

add_filter( 'tiny_mce_before_init', 'wp_light_mce_before_init_insert_formats' );