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run code in 150+ php & hhvm versions
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<?php var_dump(@array_splice(explode('.', 'foo.com.uk'), -2));
Output for 4.3.0 - 5.0.4, 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { [0]=> string(3) "com" [1]=> string(2) "uk" }
Output for 5.0.5

Process exited with code 255.