3v4l.org

run code in 300+ PHP versions simultaneously
<?php (function Hello() { echo "Hello World!"; })();
Output for 8.0.0 - 8.0.28, 8.1.0 - 8.1.17, 8.2.0 - 8.2.4
Parse error: syntax error, unexpected identifier "Hello", expecting "(" in /in/IQ17h on line 2
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Parse error: syntax error, unexpected 'Hello' (T_STRING), expecting '(' in /in/IQ17h on line 2
Process exited with code 255.
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163.33 ms | 1445 KiB | 7 Q