From e1e94c815d84a7630b03bd435f7d60499ad070bd Mon Sep 17 00:00:00 2001
From: the-djmaze <>
Date: Thu, 22 Oct 2026 23:02:00 +0200
Subject: [PATCH] The backtick (`) operator is deprecated, use shell_exec()
 instead

---
 cli/release.php                                        | 10 +++++-----
 .../v/0.0.0/app/libraries/snappymail/gpg/base.php      |  4 ++--
 .../v/0.0.0/app/libraries/snappymail/gpg/smime.php     |  2 +-
 .../v/0.0.0/app/libraries/snappymail/smime/openssl.php |  2 +-
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/cli/release.php b/cli/release.php
index aac915b02..fe406f7f3 100755
--- a/cli/release.php
+++ b/cli/release.php
@@ -9,7 +9,7 @@ if (isset($options['plugins'])) {
 	require(ROOT_DIR . '/build/plugins.php');
 }
 
-$gulp = trim(`which gulp`);
+$gulp = trim(shell_exec('which gulp'));
 if (!$gulp) {
 	exit('gulp not installed, run as root: npm install --global gulp-cli');
 }
@@ -34,7 +34,7 @@ $options['aur'] = isset($options['aur']);
 
 // Docker build
 $options['docker'] = isset($options['docker']);
-if ($options['docker'] && !($docker = trim(`which docker`))) {
+if ($options['docker'] && !($docker = trim(shell_exec('which docker')))) {
 	exit('docker not found');
 }
 if ($options['docker'] && $options['aur']) {
@@ -60,7 +60,7 @@ if (!isset($options['skip-gulp'])) {
 
 	$cmddir = escapeshellcmd(ROOT_DIR) . '/snappymail/v/0.0.0/static';
 
-	if ($gzip = trim(`which gzip`)) {
+	if ($gzip = trim(shell_exec('which gzip'))) {
 		echo "\x1b[33;1m === Gzip *.js and *.css === \x1b[0m\n";
 		passthru("{$gzip} -k --best {$cmddir}/js/*.js");
 		passthru("{$gzip} -k --best {$cmddir}/js/min/*.js");
@@ -70,7 +70,7 @@ if (!isset($options['skip-gulp'])) {
 		unlink(ROOT_DIR . '/snappymail/v/0.0.0/static/js/min/boot.min.js.gz');
 	}
 
-	if ($brotli = trim(`which brotli`)) {
+	if ($brotli = trim(shell_exec('which brotli'))) {
 		echo "\x1b[33;1m === Brotli *.js and *.css === \x1b[0m\n";
 		passthru("{$brotli} -k --best {$cmddir}/js/*.js");
 		passthru("{$brotli} -k --best {$cmddir}/js/min/*.js");
@@ -188,7 +188,7 @@ file_put_contents("{$destPath}core.json", '{
 // Arch User Repository
 if ($options['aur']) {
 	// extension_loaded('blake2')
-	if (!function_exists('b2sum') && $b2sum = trim(`which b2sum`)) {
+	if (!function_exists('b2sum') && $b2sum = trim(shell_exec('which b2sum'))) {
 		function b2sum($file) {
 			$file = escapeshellarg($file);
 			exec("b2sum --binary {$file} 2>&1", $output, $exitcode);
diff --git a/snappymail/v/0.0.0/app/libraries/snappymail/gpg/base.php b/snappymail/v/0.0.0/app/libraries/snappymail/gpg/base.php
index 122d51ae6..64dd7f63d 100644
--- a/snappymail/v/0.0.0/app/libraries/snappymail/gpg/base.php
+++ b/snappymail/v/0.0.0/app/libraries/snappymail/gpg/base.php
@@ -434,7 +434,7 @@ abstract class Base
 	public function agent()
 	{
 //		$home = \escapeshellarg($this->options['homedir']);
-//		echo `gpg-agent --daemon --homedir $home 2>&1`;
+//		echo \shell_exec('gpg-agent --daemon --homedir $home 2>&1');
 	}
 
 	protected function getPassphrase($key)
@@ -487,7 +487,7 @@ abstract class Base
 
 	protected static function findBinary($name) : ?string
 	{
-		$binary = \function_exists('shell_exec') ? \trim((string) `which $name`) : '';
+		$binary = \function_exists('shell_exec') ? \trim((string) \shell_exec('which $name')) : '';
 		if ($binary && \RainLoop\Utils::inOpenBasedir($binary) && \is_executable($binary)) {
 			return $binary;
 		}
diff --git a/snappymail/v/0.0.0/app/libraries/snappymail/gpg/smime.php b/snappymail/v/0.0.0/app/libraries/snappymail/gpg/smime.php
index bc66c7291..55a40301b 100644
--- a/snappymail/v/0.0.0/app/libraries/snappymail/gpg/smime.php
+++ b/snappymail/v/0.0.0/app/libraries/snappymail/gpg/smime.php
@@ -43,7 +43,7 @@ class SMIME extends Base
 		// How to use gpgme-json ?
 		$this->binary = static::findBinary('gpgsm');
 
-		$info = \preg_replace('/\R +/', ' ', `$this->binary --version`);
+		$info = \preg_replace('/\R +/', ' ', \shell_exec("{$this->binary} --version"));
 		if (\preg_match('/gpgsm.+([0-9]+\\.[0-9]+\\.[0-9]+)/', $info, $match)) {
 			$this->version = $match[1];
 		}
diff --git a/snappymail/v/0.0.0/app/libraries/snappymail/smime/openssl.php b/snappymail/v/0.0.0/app/libraries/snappymail/smime/openssl.php
index 3af3b7f25..242dcc3b8 100644
--- a/snappymail/v/0.0.0/app/libraries/snappymail/smime/openssl.php
+++ b/snappymail/v/0.0.0/app/libraries/snappymail/smime/openssl.php
@@ -180,7 +180,7 @@ class OpenSSL
 			}
 			$input = $tmp;
 		}
-		`openssl asn1parse -in $input->filename()`
+		\shell_exec('openssl asn1parse -in $input->filename()');
 	}
 */
 	public function decrypt(/*string|Temporary*/ $input) : ?string