Updates for latest phpstan

Author: Seldaek

composer.json

@@ -21,7 +21,7 @@
     },
     "require-dev": {
         "symfony/phpunit-bridge": "^4.2 || ^5",
-        "phpstan/phpstan": "^1",
+        "phpstan/phpstan": "^1.3",
         "phpstan/phpstan-strict-rules": "^1.1"
     },
     "autoload": {

src/Preg.php

@@ -78,7 +78,7 @@ public static function matchAll($pattern, $subject, &$matches = null, $flags = 0
         }
 
         $result = preg_match_all($pattern, $subject, $matches, $flags, $offset);
-        if ($result === false || $result === null) {
+        if ($result === false) {
             throw PcreException::fromFunction('preg_match_all', $pattern);
         }
 
@@ -100,7 +100,7 @@ public static function matchAll($pattern, $subject, &$matches = null, $flags = 0
     public static function matchAllWithOffsets($pattern, $subject, &$matches, $flags = 0, $offset = 0)
     {
         $result = preg_match_all($pattern, $subject, $matches, $flags | PREG_OFFSET_CAPTURE, $offset);
-        if ($result === false || $result === null) {
+        if ($result === false) {
             throw PcreException::fromFunction('preg_match_all', $pattern);
         }
 
@@ -221,7 +221,6 @@ public static function splitWithOffsets($pattern, $subject, $limit = -1, $flags
             throw PcreException::fromFunction('preg_split', $pattern);
         }
 
-        // @phpstan-ignore-next-line See https://github.com/phpstan/phpstan/issues/6155
         return $result;
     }