3v4l.org

run code in 500+ PHP versions simultaneously
<?php $first = null; $first?->addFunds( $second->detractFunds($amount) );
Output for 8.1.23 - 8.1.34, 8.2.10 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.24, 7.4.0 - 7.4.12
Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR) in /in/38Dk3 on line 6
Process exited with code 255.
preferences:
78.17 ms | 1143 KiB | 4 Q