3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo { class hello {} } namespace bar { class hello { public function __construct(){ $class = foo\hello::class; $foo = new $class(); } } } namespace { $hello = new \bar\hello(); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Class "bar\foo\hello" not found in /in/Pn7Au:11 Stack trace: #0 /in/Pn7Au(17): bar\hello->__construct() #1 {main} thrown in /in/Pn7Au on line 11
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Class "bar\foo\hello" not found in /in/Pn7Au:11 Stack trace: #0 /in/Pn7Au(17): bar\hello->__construct() #1 {main} thrown in /in/Pn7Au on line 11
Process exited with code 255.
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
Fatal error: Uncaught Error: Class 'bar\foo\hello' not found in /in/Pn7Au:11 Stack trace: #0 /in/Pn7Au(17): bar\hello->__construct() #1 {main} thrown in /in/Pn7Au on line 11
Process exited with code 255.
Output for 5.6.38
Fatal error: Class 'bar\foo\hello' not found in /in/Pn7Au on line 11
Process exited with code 255.
preferences:
180.25 ms | 401 KiB | 245 Q