PHP: How can I cut the word and add "..." - php

Question

How can I cut the words and add "..." after reaching 4 or 5 words?
The code below states I did the character-based word cuttingb but I need it now to be by word.
Currently I have this kind of code:
if(strlen($post->post_title) > 35 )
{
$titlep = substr($post->post_title, 0, 35).'...';
}
else
{
$titlep = $post->post_title;
}
and this is the output of title:
if ( $params['show_title'] === 'true' ) {
$title = '<h3 class="wp-posts-carousel-title">';
$title.= '' . $titlep . '';
$title.= '</h3>';
}

Answer 1

Typically, I'll explode the body and pull out the first x characters.
$split = explode(' ', $string);
$new = array_slice ( $split, 0 ,5);
$newstring = implode( ' ', $new) . '...';
Just know, this method is slow.

Answer 2

Variant #1
function crop_str_word($text, $max_words = 50, $sep = ' ')
{
$words = split($sep, $text);
if ( count($words) > $max_words )
{
$text = join($sep, array_slice($words, 0, $max_words));
$text .=' ...';
}
return $text;
}
Variant #2
function crop_str_word($text, $max_words, $append = ' …')
{
$max_words = $max_words+1;
$words = explode(' ', $text, $max_words);
array_pop($words);
$text = implode(' ', $words) . $append;
return $text;
}
Variant #3
function crop_str_word($text, $max_words)
{
$words = explode(' ',$text);
if(count($words) > $max_words && $max_words > 0)
{
$text = implode(' ',array_slice($words, 0, $max_words)).'...';
}
return $text;
}
via

Answer 3

You should use str_replace function of PHP.
str_replace('your word', '...', $variable);
read that article: http://php.net/manual/en/function.str-replace.php

Answer 4

In WordPress this functionality is done by wp_trim_words() function.
<?php
if(strlen($post->post_title) > 35 )
{
$titlep = wp_trim_words( $post->post_title, 35, '...' );
}
else
{
$titlep = $post->post_title;
}
?>
If you do this functionality using PHP then write code as below:
<?php
$titlep = strlen($post->post_title) > 35 ? substr($post->post_title, 0, 35).'...' : $post->post_title;
?>