3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getNextNumber(int $num1, int $num2): int { return $num1 + $num2; } echo getNextNumber(1, 1);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
2
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/TQD9v on line 3
Process exited with code 255.

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