A small WordPress plugin that modifies the title tag of the Fetch Tweets plugin widgets.

fetch-tweets-modify-widget-title-tag.php

<?php
/**
 *  Plugin Name:    Fetch Tweets - Modify Widget Title Tag
 *  Plugin URI:     http://en.michaeluno.jp/
 *  Description:    Modifies the title tag of the Fetch Tweets plugin widgets.
 *  Author:         Michael Uno
 *  Author URI:     http://michaeluno.jp
 *  Version:        1.0.0
 */
function fetch_tweets_modify_widget_title_tag( $aParams ) {
        
    if ( ! isset( $aParams[ 0 ] ) ) {
        return $aParams;
    }
    $_aWidgetParams = $aParams[ 0 ];
    
    if ( ! isset( $_aWidgetParams['widget_id'] ) ) {     
        return $_aWidgetParams;
    }
    if ( ! preg_match( "/^fetch_tweets_widget_/", $_aWidgetParams['widget_id'] ) ) {
        return $aParams;
    }
    
    $_aWidgetParams['before_title'] = '<h2 class="your-class-selector">';
    $_aWidgetParams['after_title'] = '</h2>';
    $aParams[ 0 ] = $_aWidgetParams;
    return $aParams;
    
}
add_filter( "dynamic_sidebar_params", 'fetch_tweets_modify_widget_title_tag' );