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run code in 150+ php & hhvm versions
Bugs & Features
<?php function sub_string($string, $start, $length) { $result = substr($string,$start,$length); return $result; } $test_string = '1978-02-16'; $year = sub_string($test_string,0,4);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0