3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'Name: ' . "\x47\x4c\x4fB\x41\x4c\x53" . PHP_EOL; // Set value ${"\x47\x4c\x4fB\x41\x4c\x53"} = 'foobar'; echo $GLOBALS;
Output for 8.5.0 - 8.5.3
Fatal error: $GLOBALS can only be modified using the $GLOBALS[$name] = $value syntax in /in/J0F72 on line 5 Stack trace: #0 {main}
Process exited with code 255.
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18
Fatal error: $GLOBALS can only be modified using the $GLOBALS[$name] = $value syntax in /in/J0F72 on line 5
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Name: GLOBALS foobar
preferences:
108.22 ms | 1491 KiB | 4 Q