Add example module to set PHP/MySQL configuration

1 files changed, 19 insertions, 4 deletions

diff --git a/app/Services/ServerCheckService.php b/app/Services/ServerCheckService.php
index 54966e9af5..09e22d495d 100644
--- a/app/Services/ServerCheckService.php
+++ b/app/Services/ServerCheckService.php
@@ -26,6 +26,7 @@ use function explode;
 use function extension_loaded;
 use function in_array;
 use function ini_get;
+use function strtolower;
 use function sys_get_temp_dir;
 use function trim;
 use function version_compare;
@@ -139,20 +140,34 @@ class ServerCheckService
     }
 
     /**
-     * Check if a PHP extension is loaded.
+     * Check if a PHP function is in the list of disabled functions.
      *
      * @param string $function
      *
      * @return string
      */
-    private function checkPhpFunction(string $function): string
+    public function isFunctionDisabled(string $function): bool
     {
         $disable_functions = explode(',', ini_get('disable_functions'));
         $disable_functions = array_map(function (string $func): string {
-            return trim($func);
+            return trim(strtolower($func));
         }, $disable_functions);
 
-        if (in_array($function, $disable_functions)) {
+        $function = strtolower($function);
+
+        return in_array($function, $disable_functions, true) || !function_exists($function);
+    }
+
+    /**
+     * Create a warning message for a disabled function.
+     *
+     * @param string $function
+     *
+     * @return string
+     */
+    private function checkPhpFunction(string $function): string
+    {
+        if ($this->isFunctionDisabled($function)) {
             return I18N::translate('The PHP function “%1$s” is disabled.', $function . '()');
         }