3v4l.org

run code in 300+ PHP versions simultaneously
<?php class TestParent { public $foo = 'foo'; } class Test extends TestParent { public function __construct() { parent::$this->foo='bar'; } } $obj = new Test; var_dump($obj);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Access to undeclared static property TestParent::$this in /in/YQkjp:13 Stack trace: #0 /in/YQkjp(17): Test->__construct() #1 {main} thrown in /in/YQkjp on line 13
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Access to undeclared static property TestParent::$this in /in/YQkjp:13 Stack trace: #0 /in/YQkjp(17): Test->__construct() #1 {main} thrown in /in/YQkjp on line 13
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 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: Access to undeclared static property: TestParent::$this in /in/YQkjp:13 Stack trace: #0 /in/YQkjp(17): Test->__construct() #1 {main} thrown in /in/YQkjp on line 13
Process exited with code 255.
Output for 5.4.22 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Access to undeclared static property: TestParent::$this in /in/YQkjp on line 13
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.21
object(Test)#1 (1) { ["foo"]=> string(3) "bar" }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/YQkjp on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/YQkjp on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/YQkjp on line 6
Process exited with code 255.

preferences:
266.99 ms | 401 KiB | 341 Q