3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $tag_value = preg_replace_callback("/\{(.*?)\}/", function($m) use($values){ return $values[$m[1]]; }, $tag_value); ?>
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: values in /in/EfimT on line 2 Notice: Undefined variable: tag_value in /in/EfimT on line 4
Output for hhvm-3.12.0
Notice: Undefined variable: values in /in/EfimT on line 4 Notice: Undefined variable: tag_value in /in/EfimT on line 4
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/EfimT on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/EfimT on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/EfimT on line 2
Process exited with code 255.