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<?php function test(string $a): string { var_dump($a); return round($a, 2); } var_dump(test(2.3445545));
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 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 - 8.2.18, 8.3.0 - 8.3.7
string(9) "2.3445545" string(4) "2.34"
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected ':', expecting '{' in /in/Qf1rv on line 3
Process exited with code 255.

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