Avoid php8.1 warning about shell_exec returning NULL

helmo · helmo · commit 5bb6e37a9745 · 2022-12-26T12:41:04.000+01:00
diff --git a/install/lib/installer_base.lib.php b/install/lib/installer_base.lib.php
@@ -52,7 +52,7 @@ private function install_acme() {
 	}
 
 	public function update_acme() {
-		$acme = explode("\n", shell_exec('which acme.sh /usr/local/ispconfig/server/scripts/acme.sh /root/.acme.sh/acme.sh 2> /dev/null'));
+		$acme = explode("\n", (string)shell_exec('which acme.sh /usr/local/ispconfig/server/scripts/acme.sh /root/.acme.sh/acme.sh 2> /dev/null'));
 		$acme = reset($acme);
 		$val = 0;
 

Original file line number	Diff line number	Diff line change
`@@ -52,7 +52,7 @@ private function install_acme() {`
`52`	`52`	`}`
`53`	`53`
`54`	`54`	`public function update_acme() {`
`55`		`- $acme = explode("\n", shell_exec('which acme.sh /usr/local/ispconfig/server/scripts/acme.sh /root/.acme.sh/acme.sh 2> /dev/null'));`
	`55`	`+ $acme = explode("\n", (string)shell_exec('which acme.sh /usr/local/ispconfig/server/scripts/acme.sh /root/.acme.sh/acme.sh 2> /dev/null'));`
`56`	`56`	`$acme = reset($acme);`
`57`	`57`	`$val = 0;`
`58`	`58`