3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = new readonly class('test') { public function __construct( public string $a, ) { } }; echo 'OK';
Output for 8.3.5 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1
OK
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.
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29
Parse error: syntax error, unexpected token "readonly" in /in/s536m on line 3
Process exited with code 255.
Output for 8.0.1 - 8.0.27
Parse error: syntax error, unexpected token "class" in /in/s536m on line 3
Process exited with code 255.

preferences:
74.76 ms | 410 KiB | 5 Q