fix escaping quotes

Author: taylorotwell

src/Illuminate/Database/Query/Grammars/Grammar.php

@@ -1202,7 +1202,7 @@ protected function wrapJsonFieldAndPath($column)
      */
     protected function wrapJsonPath($value, $delimiter = '->')
     {
-        $value = preg_replace("/([\\\\]+)?\\'/", "\\'", $value);
+        $value = preg_replace("/([\\\\]+)?\\'/", "''", $value);
 
         return '\'$."'.str_replace($delimiter, '"."', $value).'"\'';
     }

tests/Database/DatabaseQueryBuilderTest.php

@@ -2623,7 +2623,7 @@ public function testMySqlWrappingJsonWithBooleanAndIntegerThatLooksLikeOne()
     public function testJsonPathEscaping()
     {
         $expectedWithJsonEscaped = <<<SQL
-select json_unquote(json_extract(`json`, '$."\'))#"'))
+select json_unquote(json_extract(`json`, '$."''))#"'))
 SQL;
 
         $builder = $this->getMySqlBuilder();