Escape LIKE metacharacters

Author: greg0ire

lib/Doctrine/DBAL/Platforms/AbstractPlatform.php

@@ -3578,4 +3578,22 @@ public function getStringLiteralQuoteCharacter()
     {
         return "'";
     }
+
+    /**
+     * Escapes metacharacters in a string intended to be used with a LIKE
+     * operator.
+     */
+    public function escapeStringForLike(string $untrustedString): string
+    {
+        $replacePairs = [];
+        $escapeChar = $this->getLikeEscapeChar();
+        foreach ($this->getLikeMetaCharacters() as $metaChar) {
+            $replacePairs[$metaCharacter] = $escapeChar.$metaChar;
+        }
+
+        return strtr($untrusted, $replacePairs);
+    }
+
+    abstract protected function getLikeEscapeChar();
+    abstract protected function getLikeMetaCharacters();
 }