Concatenate an array with itself

Hacker
Rank
Score
18744
flag of Mexico
00.00
18744
flag of United States
00.00
18744
flag of Finland
00.00
18744
flag of India
00.00
18744
flag of Uruguay
00.00
18744
flag of India
00.00
18744
flag of United States
00.00
18744
flag of Ukraine
00.00
18744
flag of France
00.00
18744
flag of India
00.00
18744
flag of Australia
00.00
18744
flag of India
00.00
18744
flag of India
00.00
18744
flag of United States
00.00
18744
flag of India
00.00
18744
flag of China
00.00
18744
flag of United States
00.00
Items per page:
Select...