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run code in 150+ php & hhvm versions
Bugs & Features
<?php $address = '1::1'; $parts = explode(':', $address); $len = count($parts); if ($len < 8) { if ($parts[0] === '') { array_splice($parts, 0, 0, array_fill(0, 8 - $len, 0)); $parts = array_reverse($parts); } else { $parts = array_reverse($parts); if ($parts[0] === '') { array_splice($parts, 0, 0, array_fill(0, 8 - $len, 0)); } else { array_splice($parts, array_search('', $parts), 0, array_fill(0, 8 - $len, 0)); } } } var_dump($parts);
Output for 4.3.0 - 7.1.0
array(8) { [0]=> string(1) "1" [1]=> int(0) [2]=> int(0) [3]=> int(0) [4]=> int(0) [5]=> int(0) [6]=> string(0) "" [7]=> string(1) "1" }