3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo implode(',',array_filter(array(trim(""),trim(""))))."\n"; echo implode(',',array_filter(array(trim("a"),trim(""))))."\n"; echo implode(',',array_filter(array(trim(""),trim("b"))))."\n"; echo implode(',',array_filter(array(trim("a"),trim("b"))))."\n";
based on uSJPv
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
a b a,b