3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $match = preg_replace('/(?<=^|[\x09\x20\x2D])./e', 'strtoupper("\0")', "Test Test1"); var_dump($match);
Output for 7.0.0 - 7.1.0
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/enKoZ on line 3 NULL
Output for 4.3.0 - 5.4.45, hhvm-3.10.0 - 3.12.0
string(10) "Test Test1"
Output for 5.5.0 - 5.6.28
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/enKoZ on line 3 string(10) "Test Test1"