From 432452cf9c68023027b587695360c4f64f151141 Mon Sep 17 00:00:00 2001
From: Abdul Malik Ikhsan <samsonasik@gmail.com>
Date: Thu, 22 Mar 2018 02:05:23 +0700
Subject: [PATCH] replace call_user_func* with self invoked function

---
 src/Transport/File.php                | 2 +-
 src/Transport/Sendmail.php            | 2 +-
 test/Header/AddressListHeaderTest.php | 4 ++--
 test/Transport/FileOptionsTest.php    | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/Transport/File.php b/src/Transport/File.php
index d62a3ed4..9f822666 100644
--- a/src/Transport/File.php
+++ b/src/Transport/File.php
@@ -71,7 +71,7 @@ public function setOptions(FileOptions $options)
     public function send(Message $message)
     {
         $options  = $this->options;
-        $filename = call_user_func($options->getCallback(), $this);
+        $filename = $options->getCallback()($this);
         $file     = $options->getPath() . DIRECTORY_SEPARATOR . $filename;
         $email    = $message->toString();
 
diff --git a/src/Transport/Sendmail.php b/src/Transport/Sendmail.php
index 08511a27..562922f6 100644
--- a/src/Transport/Sendmail.php
+++ b/src/Transport/Sendmail.php
@@ -134,7 +134,7 @@ public function send(Mail\Message $message)
             $headers = str_replace("\r\n", "\n", $headers);
         }
 
-        call_user_func($this->callable, $to, $subject, $body, $headers, $params);
+        ($this->callable)($to, $subject, $body, $headers, $params);
     }
 
     /**
diff --git a/test/Header/AddressListHeaderTest.php b/test/Header/AddressListHeaderTest.php
index 0bcc92ac..4fb8e527 100644
--- a/test/Header/AddressListHeaderTest.php
+++ b/test/Header/AddressListHeaderTest.php
@@ -118,7 +118,7 @@ public function getStringHeaders()
     public function testDeserializationFromString($headerLine, $class)
     {
         $callback = sprintf('%s::fromString', $class);
-        $header   = call_user_func($callback, $headerLine);
+        $header   = $callback($headerLine);
         $this->assertInstanceOf($class, $header);
         $list = $header->getAddressList();
         $this->assertEquals(4, count($list));
@@ -175,7 +175,7 @@ public function getHeadersWithComments()
     public function testAllowsNoWhitespaceBetweenHeaderAndValue($headerLine, $class)
     {
         $callback = sprintf('%s::fromString', $class);
-        $header   = call_user_func($callback, $headerLine);
+        $header   = $callback($headerLine);
         $this->assertInstanceOf($class, $header);
         $list = $header->getAddressList();
         $this->assertEquals(4, count($list));
diff --git a/test/Transport/FileOptionsTest.php b/test/Transport/FileOptionsTest.php
index 2a5a3c23..dcd7c8f3 100644
--- a/test/Transport/FileOptionsTest.php
+++ b/test/Transport/FileOptionsTest.php
@@ -32,7 +32,7 @@ public function testDefaultCallbackIsSetByDefault()
     {
         $callback = $this->options->getCallback();
         $this->assertInternalType('callable', $callback);
-        $test     = call_user_func($callback, '');
+        $test     = $callback('');
         $this->assertRegExp('#^ZendMail_\d+_\d+\.eml$#', $test);
     }