From d821e84cc542857a8df79179af3d481c89b832cd Mon Sep 17 00:00:00 2001
From: IanDelMar <42134098+IanDelMar@users.noreply.github.com>
Date: Sat, 19 Mar 2022 09:26:39 +0100
Subject: [PATCH] wrap function in function_exists check

---
 inc/widgets.php | 64 +++++++++++++++++++++++++------------------------
 1 file changed, 33 insertions(+), 31 deletions(-)

diff --git a/inc/widgets.php b/inc/widgets.php
index fb947895a..fa60ee61a 100644
--- a/inc/widgets.php
+++ b/inc/widgets.php
@@ -8,39 +8,41 @@
 // Exit if accessed directly.
 defined( 'ABSPATH' ) || exit;
 
-/**
- * Adds Bootstrap classes to search block widget.
- *
- * @param string $block_content The block content.
- * @param array  $block         The full block, including name and attributes.
- * @return string The filtered block content.
- */
-function understrap_add_block_widget_search_classes( $block_content, $block ) {
-
-	$search  = array(
-		'wp-block-search__input ',
-		'wp-block-search__input"',
-		'wp-block-search__button ',
-	);
-	$replace = array(
-		'wp-block-search__input form-control ',
-		'wp-block-search__input form-control"',
-		'wp-block-search__button btn btn-primary ',
-	);
-
-	if ( isset( $block['attrs']['buttonPosition'] ) && 'button-inside' === $block['attrs']['buttonPosition'] ) {
-		$search[]  = 'wp-block-search__inside-wrapper';
-		$replace[] = 'wp-block-search__inside-wrapper input-group';
-
-		if ( 'bootstrap4' === get_theme_mod( 'understrap_bootstrap_version', 'bootstrap4' ) ) {
-			$search[]  = '<button';
-			$search[]  = '</button>';
-			$replace[] = '<div class="input-group-append"><button';
-			$replace[] = '</button></div>';
+if ( ! function_exists( 'understrap_add_block_widget_search_classes' ) ) {
+	/**
+	 * Adds Bootstrap classes to search block widget.
+	 *
+	 * @param string $block_content The block content.
+	 * @param array  $block         The full block, including name and attributes.
+	 * @return string The filtered block content.
+	 */
+	function understrap_add_block_widget_search_classes( $block_content, $block ) {
+
+		$search  = array(
+			'wp-block-search__input ',
+			'wp-block-search__input"',
+			'wp-block-search__button ',
+		);
+		$replace = array(
+			'wp-block-search__input form-control ',
+			'wp-block-search__input form-control"',
+			'wp-block-search__button btn btn-primary ',
+		);
+
+		if ( isset( $block['attrs']['buttonPosition'] ) && 'button-inside' === $block['attrs']['buttonPosition'] ) {
+			$search[]  = 'wp-block-search__inside-wrapper';
+			$replace[] = 'wp-block-search__inside-wrapper input-group';
+
+			if ( 'bootstrap4' === get_theme_mod( 'understrap_bootstrap_version', 'bootstrap4' ) ) {
+				$search[]  = '<button';
+				$search[]  = '</button>';
+				$replace[] = '<div class="input-group-append"><button';
+				$replace[] = '</button></div>';
+			}
 		}
-	}
 
-	return str_replace( $search, $replace, $block_content );
+		return str_replace( $search, $replace, $block_content );
+	}
 }
 add_filter( 'render_block_core/search', 'understrap_add_block_widget_search_classes', 10, 2 );