Missing polyfill

[theofidry]

Bug report

Question	Answer
Box version	3.5.0
PHP version	7.1.x
Platform with version	Ø
Github Repo	Ø

php box.phar compile --debug                                                                                                 tfidry@Theos-MacBook-Pro
[debug] Checking BOX_ALLOW_XDEBUG
[debug] The xdebug extension is loaded (2.6.1)
[debug] Process restarting (BOX_ALLOW_XDEBUG=internal|2.6.1|1|*|*)
[debug] Running '/Users/tfidry/.phpbrew/php/php-7.1.23/bin/php' '-n' '-c' '/private/var/folders/p3/lkw0cgjj2fq0656q_9rd0mk80000gn/T/MSGi4t' 'box.phar' 'compile' '--debug' '--ansi'
[debug] Bumped the memory limit from "128M" to "512M"
[debug] Checking BOX_ALLOW_XDEBUG
[debug] Restarted (70 ms). The xdebug extension is not loaded

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Box version 3.5.0@cfc7c11 2019-03-05 00:51:30 UTC


 // Loading the configuration file "/path/to/project/box.json".

🔨  Building the PHAR "/path/to/project/satis.phar"

PHP Fatal error:  Uncaught Error: Call to undefined function spl_object_id() in phar:///path/to/project/box.phar/vendor/symfony/var-dumper/Cloner/VarCloner.php:142
Stack trace:
#0 phar:///path/to/project/box.phar/vendor/symfony/var-dumper/Cloner/AbstractCloner.php(58): _HumbugBox9257ad6c1a66\Symfony\Component\VarDumper\Cloner\VarCloner->doClone(Object(_HumbugBox9257ad6c1a66\KevinGH\Box\Configuration))
#1 phar:///path/to/project/box.phar/src/Console/Command/Compile.php(179): _HumbugBox9257ad6c1a66\Symfony\Component\VarDumper\Cloner\AbstractCloner->cloneVar(Object(_HumbugBox9257ad6c1a66\KevinGH\Box\Configuration))
#2 phar:///path/to/project/box.phar/src/Console/Command/Compile.php(131): _HumbugBox9257ad6c1a66\KevinGH\Box\Console\Command\Compile->removeExistingArtifacts(Object(_HumbugBox9257ad6c1a66\KevinGH\Box\Configuration), Object(_HumbugBox9257ad6c1a66\KevinGH\Box\Console\Logger\CompileLogger), true)
#3 phar:///path/to/project/box.phar/vendor/symfony/console/Command/Comma in phar:///path/to/project/box.phar/vendor/symfony/var-dumper/Cloner/VarCloner.php on line 142

Fatal error: Uncaught Error: Call to undefined function spl_object_id() in phar:///path/to/project/box.phar/vendor/symfony/var-dumper/Cloner/VarCloner.php:142
Stack trace:
#0 phar:///path/to/project/box.phar/vendor/symfony/var-dumper/Cloner/AbstractCloner.php(58): _HumbugBox9257ad6c1a66\Symfony\Component\VarDumper\Cloner\VarCloner->doClone(Object(_HumbugBox9257ad6c1a66\KevinGH\Box\Configuration))
#1 phar:///path/to/project/box.phar/src/Console/Command/Compile.php(179): _HumbugBox9257ad6c1a66\Symfony\Component\VarDumper\Cloner\AbstractCloner->cloneVar(Object(_HumbugBox9257ad6c1a66\KevinGH\Box\Configuration))
#2 phar:///path/to/project/box.phar/src/Console/Command/Compile.php(131): _HumbugBox9257ad6c1a66\KevinGH\Box\Console\Command\Compile->removeExistingArtifacts(Object(_HumbugBox9257ad6c1a66\KevinGH\Box\Configuration), Object(_HumbugBox9257ad6c1a66\KevinGH\Box\Console\Logger\CompileLogger), true)
#3 phar:///path/to/project/box.phar/vendor/symfony/console/Command/Comma in phar:///path/to/project/box.phar/vendor/symfony/var-dumper/Cloner/VarCloner.php on line 142
[debug] Restarted process exited 255