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run code in 200+ php & hhvm versions
Bugs & Features
<?php $size = '3MB'; $value = substr($size, 0, -1); $unit = trim(substr($size, -2, 1)); var_dump($value); var_dump($unit);
Output for 4.3.0 - 7.2.0
string(2) "3M" string(1) "M"