Concatenate an array with itself

Hacker
Rank
Score
18744
flag of Pakistan
00.00
18744
flag of Russia
00.00
18744
flag of India
00.00
18744
flag of India
00.00
18744
flag of
00.00
18744
flag of India
00.00
18744
flag of India
00.00
18744
flag of India
00.00
18744
flag of
00.00
18744
flag of India
00.00
18744
flag of Turkey
00.00
18744
flag of India
00.00

[deleted]

18744
flag of null
00.00
18744
flag of Egypt
00.00
18744
flag of India
00.00
18744
flag of South Korea
00.00
Items per page:
Select...