abstract isBinary() method

Author: michalsn

system/Database/BasePreparedQuery.php

@@ -259,4 +259,12 @@ public function getErrorMessage(): string
     {
         return $this->errorString;
     }
+
+    /**
+     * Whether the input contain binary data.
+     */
+    protected function isBinary($input): bool
+    {
+        return mb_detect_encoding($input, 'UTF-8', true) === false;
+    }
 }

system/Database/Postgre/PreparedQuery.php

@@ -88,7 +88,7 @@ public function _execute(array $data): bool
         }
 
         foreach ($data as &$item) {
-            if (is_string($item) && mb_detect_encoding($item, 'UTF-8', true) === false) {
+            if (is_string($item) && $this->isBinary($item)) {
                 $item = pg_escape_bytea($this->db->connID, $item);
             }
         }

system/Database/SQLite3/PreparedQuery.php

@@ -75,7 +75,7 @@ public function _execute(array $data): bool
                 $bindType = SQLITE3_INTEGER;
             } elseif (is_float($item)) {
                 $bindType = SQLITE3_FLOAT;
-            } elseif (is_string($item) && mb_detect_encoding($item, 'UTF-8', true) === false) {
+            } elseif (is_string($item) && $this->isBinary($item)) {
                 $bindType = SQLITE3_BLOB;
             } else {
                 $bindType = SQLITE3_TEXT;