[phpstorm-stubs] Fix default value for $encoding parameter in htmlentities signature

Author: isfedorov

standard/standard_0.php

@@ -521,7 +521,7 @@ function htmlspecialchars(string $string, int $flags = ENT_QUOTES|ENT_SUBSTITUTE
  * @return string the encoded string.
  */
 #[Pure]
-function htmlentities(string $string, int $flags = ENT_QUOTES|ENT_SUBSTITUTE, ?string $encoding, bool $double_encode = true): string {}
+function htmlentities(string $string, int $flags = ENT_QUOTES|ENT_SUBSTITUTE, ?string $encoding = null, bool $double_encode = true): string {}
 
 /**
  * Convert HTML entities  to their corresponding characters