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<?php $string = "4\nfat|8\nis|5\nsomesh|10\naabb|1"; $fp = fopen('php://memory','r+'); fwrite($fp, $string); rewind($fp); //$fp = fopen("php://stdin", "r"); /* Enter your code here. Read input from STDIN. Print output to STDOUT */ while (is_resource($fp) && !feof($fp)) { $line = fgets($fp); if (strpos($line, "|") === false) { $array[$line] = ""; } else { list($value, $key) = array_map("trim", explode("|", $line)); $array[$key] = $value; } } var_dump($array); ksort($array); echo implode(" ", array_filter($array)); // aabb is fat somesh
Output for git.master, git.master_jit, rfc.property-hooks
array(5) { ["4 "]=> string(0) "" [8]=> string(3) "fat" [5]=> string(2) "is" [10]=> string(6) "somesh" [1]=> string(4) "aabb" } aabb is fat somesh

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