Let's support legacy PHP 5.3, again..

Author: clue

.travis.yml

@@ -1,6 +1,7 @@
 language: php
 
 php:
+  - 5.3
   - 5.4
   - 5.5
   - 5.6

composer.json

@@ -4,9 +4,9 @@
     "keywords": ["process"],
     "license": "MIT",
     "require": {
-        "php": ">=5.4.0",
-        "evenement/evenement": "~2.0",
-        "react/event-loop": "0.4.*",
+        "php": ">=5.3.0",
+        "evenement/evenement": "^2.0 || ^1.0",
+        "react/event-loop": "^0.4 || ^0.3",
         "react/stream": "~0.4.2"
     },
     "require-dev": {

src/Process.php

@@ -103,21 +103,21 @@ public function start(LoopInterface $loop, $interval = 0.1)
 
         $closeCount = 0;
 
-        $streamCloseHandler = function (Stream $stream) use (&$closeCount, $loop, $interval) {
+        $that = $this;
+        $streamCloseHandler = function (Stream $stream) use (&$closeCount, $loop, $interval, $that) {
             $closeCount++;
 
             if ($closeCount < 2) {
                 return;
             }
 
-            $loop->addPeriodicTimer($interval, function (TimerInterface $timer) {
-                if (!$this->isRunning()) {
-                    $this->close();
+            $loop->addPeriodicTimer($interval, function (TimerInterface $timer) use ($that) {
+                if (!$that->isRunning()) {
+                    $that->close();
                     $timer->cancel();
-                    $this->emit('exit', array($this->getExitCode(), $this->getTermSignal()));
+                    $that->emit('exit', array($that->getExitCode(), $that->getTermSignal()));
                 }
             });
-
         };
 
         $this->stdin  = new Stream($this->pipes[0], $loop);

tests/AbstractProcessTest.php

@@ -268,21 +268,22 @@ public function testTerminateWithStopAndContinueSignalsUsingEventLoop()
             $termSignal = func_get_arg(1);
         });
 
-        $loop->addTimer(0.001, function(Timer $timer) use ($process) {
+        $that = $this;
+        $loop->addTimer(0.001, function(Timer $timer) use ($process, $that) {
             $process->start($timer->getLoop());
             $process->terminate(SIGSTOP);
 
-            $this->assertSoon(function() use ($process) {
-                $this->assertTrue($process->isStopped());
-                $this->assertTrue($process->isRunning());
-                $this->assertEquals(SIGSTOP, $process->getStopSignal());
+            $that->assertSoon(function() use ($process, $that) {
+                $that->assertTrue($process->isStopped());
+                $that->assertTrue($process->isRunning());
+                $that->assertEquals(SIGSTOP, $process->getStopSignal());
             });
 
             $process->terminate(SIGCONT);
 
-            $this->assertSoon(function() use ($process) {
-                $this->assertFalse($process->isStopped());
-                $this->assertEquals(SIGSTOP, $process->getStopSignal());
+            $that->assertSoon(function() use ($process, $that) {
+                $that->assertFalse($process->isStopped());
+                $that->assertEquals(SIGSTOP, $process->getStopSignal());
             });
         });