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<?php class integer { private $value; public function __construct(int $value) { $this->value = $value; } public function __invoke(int ...$value) : int { $count = count($value); switch (count($value)) { case 1: $this->value = $value[0]; break; default: throw new Exception('Multiple values given.'); break; } return $this->value; } } $testi = new integer(1); $testi(2);
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 - 8.3.6
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/eQQ57 on line 11
Process exited with code 255.
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/eQQ57 on line 11
Process exited with code 255.

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