3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<!DOCTYPE html> <html> <body> <?php $a1=array("flagname"=>"LTV Under 50","b"=>"green"); $a2=array("flagname"=>"blue","b"=>"yellow"); $a1 = array_merge($a1,$a2); print_r($a1); ?> </body> </html>

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for Typed properties v2
<!DOCTYPE html> <html> <body> Array ( [flagname] => blue [b] => yellow ) </body> </html>
Output for Array change keys
<!DOCTYPE html> <html> <body> Array ( [flagname] => blue [b] => yellow ) </body> </html>
Output for Lexical anon
<!DOCTYPE html> <html> <body> Array ( [flagname] => blue [b] => yellow ) </body> </html>

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page