WordPress: Limit Length of All Excerpts (Manual and Automatic)

home.php

remove_filter( 'get_the_excerpt', 'we_trim_excerpt' );
add_filter( 'get_the_excerpt', 'we_trim_all_excerpt' );
/**
 * Limit Length of All Excerpts (Manual and Automatic)
 * 
 */
function we_trim_all_excerpt($text) {
	// Creates an excerpt if needed; and shortens the manual excerpt as well
	global $post;
	$raw_excerpt = $text;
		if ( '' == $text ) {
		$text = get_the_content('');
		$text = strip_shortcodes( $text );
		$text = apply_filters( 'the_content', $text );
		$text = str_replace( ']]>', ']]>', $text );
	}
 
	$text = strip_tags($text);
	$excerpt_length = apply_filters( 'excerpt_length', 45 );
	$excerpt_more = apply_filters( 'excerpt_more', ' ' . '&nbsp;<a class="more-link" href="'.get_permalink().'">[More&#x2026;]</a>' );
	$text = wp_trim_words( $text, $excerpt_length, $excerpt_more );
	return apply_filters( 'wp_trim_excerpt', $text, $raw_excerpt );
}