3v4l.org

run code in 300+ PHP versions simultaneously
<?php function bla( $span ){ echo "blah ",$span,"\n"; } function blee(){ $howlong = 'for here and now ...'; $f = function()use($howlong){ bla($howlong); }; return $f; } blee()();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 ...
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/dUgMh on line 15
Process exited with code 255.
preferences:
166.57 ms | 402 KiB | 183 Q