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<?php $x=array_map('eval', array(print php_uname(),NULL));echo $x ?>
Output for git.master, git.master_jit, rfc.property-hooks
Linux php_shell 4.8.6-1-ARCH #1 SMP PREEMPT Mon Oct 31 18:51:30 CET 2016 x86_64 Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback or null, function "eval" not found or invalid function name in /in/Fi39d:2 Stack trace: #0 /in/Fi39d(2): array_map('eval', Array) #1 {main} thrown in /in/Fi39d on line 2
Process exited with code 255.

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