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<?php $a=array("1","2","3","4"); array_unpop($a); print_r($a);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function array_unpop() in /in/KWuTj:3 Stack trace: #0 {main} thrown in /in/KWuTj on line 3
Process exited with code 255.

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