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run code in 200+ php & hhvm versions
Bugs & Features
<?php Array ( "datamining_615_2015052000_impressionvisibility.csv" => 1256, "datamining_615_2015052001_impressionvisibility.csv" => 1534, "datamining_615_2015052002_impressionvisibility.csv" => 2087, "datamining_615_2015052003_impressionvisibility.csv" => 2084, "datamining_615_2015052004_impressionvisibility.csv" => 2183, "datamining_615_2015052005_impressionvisibility.csv" => 7784, "datamining_615_2015052006_impressionvisibility.csv" => 16456, "datamining_615_2015052007_impressionvisibility.csv" => 28261, "datamining_615_2015052008_impressionvisibility.csv" => 34504, "datamining_615_2015052009_impressionvisibility.csv" => 37420, "datamining_615_2015052010_impressionvisibility.csv" => 46311, "datamining_615_2015052011_impressionvisibility.csv" => 50433, "datamining_615_2015052012_impressionvisibility.csv" => 48153, "datamining_615_2015052013_impressionvisibility.csv" => 34053, "datamining_615_2015052014_impressionvisibility.csv" => 48065, "datamining_615_2015052015_impressionvisibility.csv" => 49418, "datamining_615_2015052016_impressionvisibility.csv" => 44952, "datamining_615_2015052017_impressionvisibility.csv" => 42564, "datamining_615_2015052018_impressionvisibility.csv" => 44608, "datamining_615_2015052019_impressionvisibility.csv" => 55155, "datamining_615_2015052020_impressionvisibility.csv" => 58686, "datamining_615_2015052021_impressionvisibility.csv" => 59139, "datamining_615_2015052022_impressionvisibility.csv" => 5998, "datamining_615_2015052023_impressionvisibility.csv" => 1967, ) ?>
based on ISkK2
Output for 5.4.0 - 7.2.0