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<?php function silnia($n) { return ($n <= 1) ? 1 : gmp_mul($n, silnia($n-1)); } $strSilnia = (string)silnia(60); echo sizeof($strSilnia);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, string given in /in/McqK0:9 Stack trace: #0 {main} thrown in /in/McqK0 on line 9
Process exited with code 255.

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