diff --git a/src/Symfony/Component/Console/Command/Command.php b/src/Symfony/Component/Console/Command/Command.php
index aadc60cdffec3..bbac86a5a293e 100644
--- a/src/Symfony/Component/Console/Command/Command.php
+++ b/src/Symfony/Component/Console/Command/Command.php
@@ -283,7 +283,15 @@ public function setCode($code)
if (PHP_VERSION_ID >= 50400 && $code instanceof \Closure) {
$r = new \ReflectionFunction($code);
if (null === $r->getClosureThis()) {
- $code = \Closure::bind($code, $this);
+ if (PHP_VERSION_ID < 70000) {
+ // Bug in PHP5: https://bugs.php.net/bug.php?id=64761
+ // This means that we cannot bind static closures and therefore we must
+ // ignore any errors here. There is no way to test if the closure is
+ // bindable.
+ $code = @\Closure::bind($code, $this);
+ } else {
+ $code = \Closure::bind($code, $this);
+ }
}
}
diff --git a/src/Symfony/Component/Console/Tests/Command/CommandTest.php b/src/Symfony/Component/Console/Tests/Command/CommandTest.php
index ff0c8d4791f57..4378847369a75 100644
--- a/src/Symfony/Component/Console/Tests/Command/CommandTest.php
+++ b/src/Symfony/Component/Console/Tests/Command/CommandTest.php
@@ -335,6 +335,29 @@ public function testSetCodeBindToClosure($previouslyBound, $expected)
$this->assertEquals('interact called'.PHP_EOL.$expected.PHP_EOL, $tester->getDisplay());
}
+ public function testSetCodeWithStaticClosure()
+ {
+ $command = new \TestCommand();
+ $command->setCode(self::createClosure());
+ $tester = new CommandTester($command);
+ $tester->execute(array());
+
+ if (PHP_VERSION_ID < 70000) {
+ // Cannot bind static closures in PHP 5
+ $this->assertEquals('interact called'.PHP_EOL.'not bound'.PHP_EOL, $tester->getDisplay());
+ } else {
+ // Can bind static closures in PHP 7
+ $this->assertEquals('interact called'.PHP_EOL.'bound'.PHP_EOL, $tester->getDisplay());
+ }
+ }
+
+ private static function createClosure()
+ {
+ return function (InputInterface $input, OutputInterface $output) {
+ $output->writeln(isset($this) ? 'bound' : 'not bound');
+ };
+ }
+
public function testSetCodeWithNonClosureCallable()
{
$command = new \TestCommand();
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