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<?php function count_digits($digit) { // TODO: add type validation return $digit >= 10 ? 1 + count_digits($digit / 10) : 1; } $digit = 1554; $tries = 10000; $start = microtime(true); for ($i = 0; $i < $tries; $i++) { count_digits($digit); } echo (microtime(true) - $start); $start = microtime(true); for ($i = 0; $i < $tries; $i++) { strlen($digit) } echo (microtime(true) - $start);
Output for 5.3.0 - 5.4.25
Parse error: syntax error, unexpected '}' in /in/Ab1fF on line 20
Process exited with code 255.