3v4l.org

run code in 300+ PHP versions simultaneously
<?php function bla( $span ){ echo "blah ",$span,"\n"; } function blee(){ $howlong = 'for here and now ...'; call_user_func("bla",$howlong); $howlong = 'for here and right now ...'; $f = function()use($howlong){ bla( $howlong ); }; return $f; } blee()();
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
blah for here and now ... blah for here and right now ...
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '(' in /in/MY0JV on line 17
Process exited with code 255.
preferences:
263.31 ms | 402 KiB | 330 Q