gpqr-decode-html-entities-in-url.php: Added new snippet to decode HTML entities in QR codes that only consist of a URL.

Author: claygriffiths

gp-qr-code/gpqr-decode-html-entities-in-url.php

@@ -0,0 +1,25 @@
+<?php
+/**
+ * Gravity Perks // QR Code // Decode HTML entities in QR codes that only consist of a URL
+ * https://gravitywiz.com/documentation/gravity-forms-qr-code/
+ *
+ * Instructions: https://gravitywiz.com/documentation/how-do-i-install-a-snippet/
+ */
+add_filter( 'gpqr_content_pre_generate', function ( $content ) {
+	// Only modify QR codes that only consist of a URL.
+	if ( ! preg_match( '/^https?:\/\//', $content ) ) {
+		return $content;
+	}
+
+	// Prevent infinite loop.
+	if ( html_entity_decode( $content ) === $content ) {
+		return $content;
+	}
+
+	// Use while loop in case there are recursively encoded HTML entities (e.g. &amp;amp;).
+	while ( html_entity_decode( $content ) !== $content ) {
+		$content = html_entity_decode( $content );
+	}
+
+	return $content;
+} );