PHP 5.6.30-1+deb.sury.org~trusty+1 (cli)
Copyright (c) 1997-2016 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies
with Zend OPcache v7.0.6-dev, Copyright (c) 1999-2016, by Zend Technologies
>>>>> Array to value with array_reduce() and anon function
Time: 46.22 sec
>>>>> Array to value with array_reduce() and global function
Time: 45.29 sec
>>>>> Array to value with foreach
Time: 0.05 sec
>>>>> Array map with array_map() and anon function
Time: 0.14 sec
>>>>> Array map with foreach
Time: 0.08 sec
>>>>> Array map with foreach reference
Time: 0.06 sec