Content Limiter - truncate to number of words

formatting.php

<?php
/**
 * Limit the content by the number of words.
 *
 * @package     -
 * @since       1.0.0
 * @author      hellofromTonya
 * @link        https://UpTechLabs.io
 * @license     GPL-2+
 */

add_filter('the_content', 'truncate_the_content', 99);
/**
 * Truncate the content to a set number of words.
 *
 * @since 1.0.0
 *
 * @param string $text
 *
 * @return string
 */
function truncate_the_content( $text ) {
	if ( is_singular() ) {
		return $text;
	}

	$text = strip_shortcodes( $text );

	return truncate_text( $text );
}

/**
 * Truncate the incoming string of text to a set number of words.
 * It preserves the HTML markup.
 *
 * @since 1.0.0
 *
 * NOTE: This function is adapted from WordPress Core's `wp_trim_words()`
 * function.  It does the same functionality, except it does not strip out
 * the HTML tag elements.
 *
 * @param string $text
 * @param int $words_limit
 * @param string $more_text
 *
 * @return string
 */
function truncate_text( $text, $words_limit = 55, $more_text = '&hellip;' ) {

	$separator = ' ';

	/*
	 * translators: If your word count is based on single characters (e.g. East Asian characters),
	 * enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'.
	 * Do not translate into your own language.
	 */
	if ( strpos( _x( 'words', 'Word count type. Do not translate!' ), 'characters' ) === 0 && preg_match( '/^utf\-?8$/i', get_option( 'blog_charset' ) ) ) {
		$text = trim( preg_replace( "/[\n\r\t ]+/", ' ', $text ), ' ' );
		preg_match_all( '/./u', $text, $words_array );
		$words_array = array_slice( $words_array[0], 0, $words_limit + 1 );
		$separator = '';
	} else {
		$words_array = preg_split( "/[\n\r\t ]+/", $text, $words_limit + 1, PREG_SPLIT_NO_EMPTY );
	}

	if ( ! count( $words_array ) > $words_limit ) {
		return implode( $separator, $words_array );
	}

	array_pop( $words_array );
	$text = implode( $separator, $words_array );
	return $text . $more_text;
}