3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = '{width:100, max-heigth:300, min-height:200}'; $pattern = '/:(\S)/'; $replacement = ': $0'; var_dump(preg_replace($pattern, $replacement, $string));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(49) "{width: :100, max-heigth: :300, min-height: :200}"