3v4l.org

run code in 300+ PHP versions simultaneously
<?php // $packed = "hoge\0\0" $packed = pack('a6', 'hoge'); // PHP 5.4 $data = "hoge" // PHP 5.5 $data = "hoge\0\0" var_dump($data = unpack('a6', $packed)); // PHP 5.5 $data = "hoge" var_dump($data = unpack('Z6', $packed));
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(1) { [1]=> string(6) "hoge" } array(1) { [1]=> string(4) "hoge" }
Output for 4.4.8 - 4.4.9, 5.2.4 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
array(1) { [1]=> string(4) "hoge" } Warning: unpack(): Invalid format type Z in /in/3dQNL on line 12 bool(false)
Output for 4.3.5 - 4.3.11, 4.4.0 - 4.4.7, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.3
array(1) { [1]=> string(4) "hoge" } array(0) { }
Output for 4.3.0 - 4.3.4
array(1) { [""]=> string(4) "hoge" } array(0) { }

preferences:
245.21 ms | 401 KiB | 355 Q