/**
* Get the HTML for the excerpt in the grid
*
* @access public
* @since 1.0.0
* @param $post_id Int - The ID of the post to get the excerpt of
* @param $word_limit Int - The total number of words to include in the excerpt
* @param $read_more_text String - The ID of the post to get the title of
* @return $html_output String - A string holding the html for an excerpt in the grid
*/
function mp_stacks_postgrid_excerpt($post_id, $word_limit, $read_more_text = NULL)
{
$the_excerpt = mp_core_get_excerpt_by_id($post_id);
//Check word limit for excerpt
if (!empty($word_limit)) {
//Cut the excerpt off at X number of words
$the_excerpt = mp_core_limit_text_to_words($the_excerpt, $word_limit);
}
//If there are 0 words in this excerpt
if (mp_core_word_count($the_excerpt) == 0) {
return NULL;
} else {
$output_string = strip_tags($the_excerpt);
$output_string .= !empty($read_more_text) ? '<span class="mp-stacks-postgrid-read-more">' . $read_more_text . '</span>' : NULL;
}
$postgrid_output = mp_stacks_grid_highlight_text_html(array('class_name' => 'mp-stacks-postgrid-item-excerpt', 'output_string' => $output_string));
return $postgrid_output;
}
/**
* Limit number of words in a string
*
* @access public
* @since 1.0.0
* @param $text string The string whose words we want to limit
* @param $limit int The number of words to limit the text to
* @return $text string The limited string
*/
function mp_core_limit_text_to_words($text, $limit)
{
if (mp_core_word_count($text) > $limit) {
$words = str_word_count($text, 2);
$pos = array_keys($words);
$text = isset($pos[$limit]) ? substr($text, 0, $pos[$limit]) : $text;
}
return $text;
}
