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Comments: add a 'comment_excerpt_length' filter to get_comment_excerpt().

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Create the first ever unit tests for `get_comment_excerpt()`.

Props dannydehaan, wonderboymusic.
Fixes #27526.


git-svn-id: https://develop.svn.wordpress.org/trunk@34520 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Scott Taylor
2015-09-24 21:04:16 +00:00
parent c5a336d664
commit 55bb8b8c0b
2 changed files with 60 additions and 13 deletions
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30
src/wp-includes/comment-template.php
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@@ -565,23 +565,27 @@ function comment_date( $d = '', $comment_ID = 0 ) {
*/
function get_comment_excerpt( $comment_ID = 0 ) {
$comment = get_comment( $comment_ID );
$comment_text = strip_tags($comment->comment_content);
$blah = explode(' ', $comment_text);
$comment_text = strip_tags( str_replace( array( "\n", "\r" ), ' ', $comment->comment_content ) );
$words = explode( ' ', $comment_text );
if (count($blah) > 20) {
$k = 20;
$use_dotdotdot = 1;
} else {
$k = count($blah);
$use_dotdotdot = 0;
/**
* Filter the amount of words used in the comment excerpt.
*
* @since 4.4.0
*
* @param int $comment_excerpt_length The amount of words you want to display in the comment excerpt.
*/
$comment_excerpt_length = apply_filters( 'comment_excerpt_length', 20 );
$use_ellipsis = count( $words ) > $comment_excerpt_length;
if ( $use_ellipsis ) {
$words = array_slice( $words, 0, $comment_excerpt_length );
}
$excerpt = '';
for ($i=0; $i<$k; $i++) {
$excerpt .= $blah[$i] . ' ';
$excerpt = trim( join( ' ', $words ) );
if ( $use_ellipsis ) {
$excerpt .= '&hellip;';
}
$excerpt .= ($use_dotdotdot) ? '&hellip;' : '';
/**
* Filter the retrieved comment excerpt.
*