From 382ccdb499f44e2d076274432a2f976c8d2c6d97 Mon Sep 17 00:00:00 2001
From: the-djmaze <>
Date: Mon, 4 Mar 2024 19:46:12 +0100
Subject: [PATCH] Polyfill ctype #1250

---
 .../v/0.0.0/app/libraries/polyfill/ctype.php    | 17 +++++++++++++++++
 .../app/libraries/snappymail/integrity.php      |  1 -
 snappymail/v/0.0.0/include.php                  |  6 +++++-
 3 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 snappymail/v/0.0.0/app/libraries/polyfill/ctype.php

diff --git a/snappymail/v/0.0.0/app/libraries/polyfill/ctype.php b/snappymail/v/0.0.0/app/libraries/polyfill/ctype.php
new file mode 100644
index 000000000..7f913e728
--- /dev/null
+++ b/snappymail/v/0.0.0/app/libraries/polyfill/ctype.php
@@ -0,0 +1,17 @@
+<?php
+
+if (!function_exists('ctype_digit')) {
+	function ctype_digit(string $text): bool
+	{
+		$l = \strlen($text);
+		return $l && $l === \strspn($text, '0123456789');
+	}
+}
+
+if (!function_exists('ctype_alpha')) {
+	function ctype_alpha(string $text): bool
+	{
+		$l = \strlen($text);
+		return $l && $l === \strspn($text, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz');
+	}
+}
diff --git a/snappymail/v/0.0.0/app/libraries/snappymail/integrity.php b/snappymail/v/0.0.0/app/libraries/snappymail/integrity.php
index 7b1d301a9..e6d25e6bd 100644
--- a/snappymail/v/0.0.0/app/libraries/snappymail/integrity.php
+++ b/snappymail/v/0.0.0/app/libraries/snappymail/integrity.php
@@ -101,7 +101,6 @@ abstract class Integrity
 			'mbstring' => extension_loaded('mbstring'),
 			'Zlib'     => extension_loaded('zlib'),
 			// enabled by default:
-			'ctype'    => extension_loaded('ctype'),
 			'json'     => function_exists('json_decode'),
 			'libxml'   => function_exists('libxml_use_internal_errors'),
 			'dom'      => class_exists('DOMDocument'),
diff --git a/snappymail/v/0.0.0/include.php b/snappymail/v/0.0.0/include.php
index 6c770f7c5..eb32c8bcc 100644
--- a/snappymail/v/0.0.0/include.php
+++ b/snappymail/v/0.0.0/include.php
@@ -4,10 +4,14 @@ if (defined('APP_VERSION_ROOT_PATH')) {
 }
 
 // PHP 8
-if (\PHP_VERSION_ID < 80000) {
+if (PHP_VERSION_ID < 80000) {
 	require __DIR__ . '/app/libraries/polyfill/php8.php';
 }
 
+if (!extension_loaded('ctype')) {
+	require __DIR__ . '/app/libraries/polyfill/ctype.php';
+}
+
 if (!defined('APP_VERSION')) {
 	define('APP_VERSION', basename(__DIR__));
 }