From 6fcf1e97200608a8fe13a9df1450eb1c96b1de90 Mon Sep 17 00:00:00 2001
From: Lon Koenig <lon@schnoggo.com>
Date: Tue, 19 Feb 2019 10:22:29 -0600
Subject: [PATCH] Make understrap_mobile_web_app_meta() and
 understrap_pingback() pluggable.

---
 inc/extras.php | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/inc/extras.php b/inc/extras.php
index 163b0c3..88d87d5 100644
--- a/inc/extras.php
+++ b/inc/extras.php
@@ -111,22 +111,26 @@ if ( ! function_exists ( 'understrap_post_nav' ) ) {
 	}
 }
 
-/**
- * Add a pingback url auto-discovery header for single posts of any post type.
- */
-function understrap_pingback() {
-	if ( is_singular() && pings_open() ) {
-		echo '<link rel="pingback" href="' . esc_url( get_bloginfo( 'pingback_url' ) ) . '">' . "\n";
+if ( ! function_exists( 'understrap_pingback' ) ) {
+	/**
+	 * Add a pingback url auto-discovery header for single posts of any post type.
+	 */
+	function understrap_pingback() {
+		if ( is_singular() && pings_open() ) {
+			echo '<link rel="pingback" href="' . esc_url( get_bloginfo( 'pingback_url' ) ) . '">' . "\n";
+		}
 	}
 }
 add_action( 'wp_head', 'understrap_pingback' );
 
-/**
- * Add mobile-web-app meta.
- */
-function understrap_mobile_web_app_meta() {
-	echo '<meta name="mobile-web-app-capable" content="yes">' . "\n";
-	echo '<meta name="apple-mobile-web-app-capable" content="yes">' . "\n";
-	echo '<meta name="apple-mobile-web-app-title" content="' . esc_attr( get_bloginfo( 'name' ) ) . ' - ' . esc_attr( get_bloginfo( 'description' ) ) . '">' . "\n";
+if ( ! function_exists( 'understrap_mobile_web_app_meta' ) ) {
+	/**
+	 * Add mobile-web-app meta.
+	 */
+	function understrap_mobile_web_app_meta() {
+		echo '<meta name="mobile-web-app-capable" content="yes">' . "\n";
+		echo '<meta name="apple-mobile-web-app-capable" content="yes">' . "\n";
+		echo '<meta name="apple-mobile-web-app-title" content="' . esc_attr( get_bloginfo( 'name' ) ) . ' - ' . esc_attr( get_bloginfo( 'description' ) ) . '">' . "\n";
+	}
 }
 add_action( 'wp_head', 'understrap_mobile_web_app_meta' );