widget-title-3.php

<?php
//* Do NOT include this comment or the opening php tag above

//* Wrap first word of widget title into a span tag
add_filter ( 'widget_title', 'b3m_add_span_widgets' );
function b3m_add_span_widgets( $old_title ) {
  
  $title = explode( " ", $old_title, 2 );
	
	if ( isset( $title[0] ) && isset( $title[1] ) ) {
		$titleNew = "<span>$title[0]</span> $title[1]";
	}
	else {
		return;
	}
	
	return $titleNew;
}