diff --git a/src/N3Lexer.php b/src/N3Lexer.php
index 1bd1960..70fdbc6 100644
--- a/src/N3Lexer.php
+++ b/src/N3Lexer.php
@@ -471,7 +471,7 @@ private function initTokenize()
                 if (isset($e)) {
                     $error = $e;
                 }
-                array_push($tokens, $t);
+                $tokens[] = $t;
             }, $finalize);
             if ($error) {
                 throw $error;
diff --git a/src/TriGParser.php b/src/TriGParser.php
index 6c68f20..012471b 100644
--- a/src/TriGParser.php
+++ b/src/TriGParser.php
@@ -181,7 +181,7 @@ private function setBase($baseIRI = null)
     // when entering a new scope (list, blank node, formula)
     private function saveContext($type, $graph, $subject, $predicate, $object)
     {
-        $n3Mode = $this->n3Mode ? $this->n3Mode : null;
+        $n3Mode = $this->n3Mode ?: null;
         array_push($this->contextStack, [
             'subject' => $subject, 'predicate' => $predicate, 'object' => $object,
             'graph' => $graph, 'type' => $type,
@@ -1158,7 +1158,7 @@ public function parseChunk($input, $finalize = false)
             $error = null;
             $this->callback = function ($e, $t = null) use (&$triples, &$error) {
                 if (!$e && $t) {
-                    array_push($triples, $t);
+                    $triples[] = $t;
                 } elseif (!$e) {
                     //DONE
                 } else {
diff --git a/test/TriGParserTest.php b/test/TriGParserTest.php
index 925a2b8..b6abfb9 100644
--- a/test/TriGParserTest.php
+++ b/test/TriGParserTest.php
@@ -31,7 +31,7 @@ private function shouldParse($createParser, $input = ''): void
         $parser->parse($input, function ($error, $triple = null) use (&$results, &$items) {
             //expect($error).not.to.exist;
             if ($triple) {
-                array_push($results, $triple);
+                $results[] = $triple;
             } else {
                 $this->assertEquals(self::toSortedJSON($items), self::toSortedJSON($results));
             }