3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public object $this; public function __construct() { $this->this = $this; } } $f = new Foo(); var_dump($f); $f->this = new stdClass(); var_dump($f);
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
object(Foo)#1 (1) { ["this"]=> *RECURSION* } object(Foo)#1 (1) { ["this"]=> object(stdClass)#2 (0) { } }
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

preferences:
72.91 ms | 407 KiB | 5 Q