@ 2013-12-23T08:48:43Z <?php
function getPairs(array $data)
{
if(!($end=$count($data)))
{
return null;
}
shuffle($data);
$result = [[$data[0], $data[$end-1]]];
for($i=0; $i<$end-1; $i++)
{
$result[] = [$data[$i], $data[$i+1]];
}
return $result;
}
$data = ['First', 'Second', 'Third', 'Fourth', 'Fifth', 'Sixth'];
var_dump(getPairs($data));
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Output for 7.0.0 - 7.0.20 , 7.1.0 - 7.1.7 , 7.2.0 Notice: Undefined variable: count in /in/0qfHK on line 4
Fatal error: Uncaught Error: Function name must be a string in /in/0qfHK:4
Stack trace:
#0 /in/0qfHK(18): getPairs(Array)
#1 {main}
thrown in /in/0qfHK on line 4
Process exited with code 255 . Output for 5.4.0 - 5.4.45 , 5.5.24 - 5.5.35 , 5.6.8 - 5.6.28 Notice: Undefined variable: count in /in/0qfHK on line 4
Fatal error: Function name must be a string in /in/0qfHK on line 4
Process exited with code 255 . Output for 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 Parse error: syntax error, unexpected '[' in /in/0qfHK on line 9
Process exited with code 255 . Output for 5.0.0 - 5.0.5 Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/0qfHK on line 2
Process exited with code 255 . Output for 4.4.2 - 4.4.9 Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/0qfHK on line 2
Process exited with code 255 . Output for 4.3.0 - 4.3.1 , 4.3.5 - 4.3.11 , 4.4.0 - 4.4.1 Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/0qfHK on line 2
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error, expecting `')'' in /in/0qfHK on line 2
Process exited with code 255 . preferences:dark mode live preview
136.13 ms | 401 KiB | 174 Q