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<?php var_dump((new ReflectionFunction('fputcsv'))->getNumberOfParameters()); $fp = fopen('php://temp', 'r+'); $res = fputcsv($fp, [1, 2, 3], ',', '"', '\\'); var_dump($res);
Output for git.master, git.master_jit, rfc.property-hooks
int(6) int(6)

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