reg-sidebars.php

<?php 

/**
 * Register widget area.
 *
 * @link http://codex.wordpress.org/Function_Reference/register_sidebar
 */

if ( function_exists('register_sidebar') ) {
	register_sidebar(array(
		'name'          	=> __( 'Sidebar', 'theme_text_domain' ),
		'id'            	=> 'sidebar',
		'description'   	=> 'Appears with Archives, Search Results, the Blog page template, and when viewing single posts.',
		'class'        	=> 'sidebar',
		'before_widget' 	=> '<aside id="%1$s" class="widget %2$s">',
		'after_widget'  	=> '</aside>',
		'before_title'  	=> '<div class="widget-head"><h2 class="widget-title">',
		'after_title'   	=> '</h2></div>'
	));

	register_sidebar( array(
	    'name'         	=> __( 'Mega Footer' ),
	    'id'           	=> 'mega-footer',
		'description'   	=> 'Limited to 6 widgets. Will appear at the bottom of every page in the site.',
		'before_widget' 	=> '<aside id="%1$s" class="widget %2$s">',
		'after_widget'  	=> '</aside>',
		'before_title'  	=> '<div class="widget-head"><h2 class="widget-title">',
		'after_title'   	=> '</h2></div>'
	) );

	for($i=0; $i<60; $i++){
		register_sidebar(array(
			'name'          	=> __( 'Home '.$i, 'theme_text_domain' ),
			'id'            	=> 'home'.$i,
			'class'        		=> 'sidebar',
			'before_widget' 	=> '<aside id="%1$s" class="widget %2$s">',
			'after_widget'  	=> '</aside>',
			'before_title'  	=> '<div class="widget-head"><h2 class="widget-title">',
			'after_title'   	=> '</h2></div>'
		));
	}
}

// if no title then add widget content wrapper to before widget
add_filter( 'dynamic_sidebar_params', 'check_sidebar_params' );
function check_sidebar_params( $params ) {
    global $wp_registered_widgets;

    $settings_getter = $wp_registered_widgets[ $params[0]['widget_id'] ]['callback'][0];
    $settings = $settings_getter->get_settings();
    $settings = $settings[ $params[1]['number'] ];

    if ( $params[0][ 'after_widget' ] == '</div></aside>' && isset( $settings[ 'title' ] ) && empty( $settings[ 'title' ] ) ){
        $params[0][ 'before_widget' ] .= '<div class="widget-content ccc">';
    }
	
    #Counts widgets in mega footer and adds column class accordingly
    if( $params[0]['id'] == 'mega-footer' ){
    	if( is_multisite() ){
			$widgets = get_site_option('sidebars_widgets')['mega-footer'];
    	} else {
    		$widgets = get_option('sidebars_widgets')['mega-footer'];
    	}	    
	    $count = count($widgets);
	    if( $count > 6 ){
			$cols = 2;
	    } else {
	    	$cols = floor(12 / $count);
	    }
	    $params[0]['before_widget'] = str_replace('class="', 'class="col-xs-' . $cols . ' ', $params[0]['before_widget']);
    }
    return $params;
}

function mf_remove_extra( $sidebars_widgets ){
	$widgets = $sidebars_widgets['mega-footer'];
	if( is_array($sidebars_widgets['mega-footer']) ){
		foreach ($sidebars_widgets['mega-footer'] as $i => $widget) {
			if( $i > 6 ){
				unset($sidebars_widgets['mega-footer'][$i]);
			}
		}
	}
	return $sidebars_widgets;
}
add_filter( 'sidebars_widgets', 'mf_remove_extra' );
?>