From f5790a0b11c8d309ae33a76315c3fa4baf0c14a6 Mon Sep 17 00:00:00 2001
From: Aadil Ayub <aadilayub@protonmail.com>
Date: Mon, 1 Apr 2024 15:10:14 +0500
Subject: [PATCH] experiment with adding line breaks in post excerpts

---
 functions.php | 37 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/functions.php b/functions.php
index e059fbe..5857caa 100644
--- a/functions.php
+++ b/functions.php
@@ -30,4 +30,39 @@ function autonomic_theme_scripts() {
     // this is also for block styles
     wp_enqueue_script( 'autonomic-block-styles', get_theme_file_uri( '/js/block-styles.js' ), array( 'wp-blocks', 'wp-dom-ready', 'wp-edit-post' ), filemtime( get_theme_file_uri( '/js/block-styles.js' ) ));
 }
-add_action( 'enqueue_block_editor_assets', 'autonomic_theme_scripts' );
\ No newline at end of file
+add_action( 'enqueue_block_editor_assets', 'autonomic_theme_scripts' );
+
+
+// Code for enabling line breaks in post excerpts
+
+define('EXCERPT_RARELY', '{[}]');
+define('EXCERPT_BR', nl2br(PHP_EOL));
+
+function so306588_trim_excerpt_custom($text = '')
+{
+    add_filter('the_content', 'so306588_trim_excerpt_custom_mark', 6);
+
+    // get through origin filter
+    $text = wp_trim_excerpt($text);
+
+    remove_filter('the_content', 'so306588_trim_excerpt_custom_mark', 6);
+
+    return so306588_trim_excerpt_custom_restore($text);
+}
+
+function so306588_trim_excerpt_custom_mark($text)
+{
+    $text = nl2br($text);
+    return str_replace(EXCERPT_BR, EXCERPT_RARELY, $text);
+}
+
+function so306588_trim_excerpt_custom_restore($text)
+{
+    return str_replace(EXCERPT_RARELY, EXCERPT_BR, $text);
+}
+
+// remove default filter
+remove_filter('get_the_excerpt', 'wp_trim_excerpt');
+
+// add custom filter
+add_filter('get_the_excerpt', 'so306588_trim_excerpt_custom');
\ No newline at end of file