Online PHP editor | perf for nYubi

<?php // namespace AppBundle\Helper; /** * @author Bouchez Guillaume <guillaume.bouchez@infolegale.fr> */ class ShortIdGenerator { /* * Version du générateur */ const GENERATOR_VERSION = '1'; /** * Identifiant de version, prefix */ const GENERATOR_VERSION_PREFIX = 'a'; /** * @return string */ public static function generate() { $microtime = microtime(true); $numericId = intval(implode('', explode('.', $microtime))); $ret = self::numToAlpha($numericId, self::GENERATOR_VERSION_PREFIX); var_dump($numericId, $ret); return $ret; } /** * @see http://kvz.io/blog/2009/06/10/create-short-ids-with-php-like-youtube-or-tinyurl/ * @param mixed $in int, bigint input to translate * @param mixed $pad_up Number or boolean pads the result up to a specified length * @param string $pass_key Supplying a password makes it harder to calculate the original ID */ protected static function numToAlpha( $in, $prefix = '', $pad_up = false, $pass_key = null ) { $out = ''; $index = 'abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'; $base = strlen($index); if ($pass_key !== null) { for ($n = 0; $n < strlen($index); $n++) { $i[] = substr($index, $n, 1); } $pass_hash = hash('sha256', $pass_key); $pass_hash = (strlen($pass_hash) < strlen($index) ? hash('sha512', $pass_key) : $pass_hash); for ($n = 0; $n < strlen($index); $n++) { $p[] = substr($pass_hash, $n, 1); } array_multisort($p, SORT_DESC, $i); $index = implode($i); } if (is_numeric($pad_up)) { $pad_up--; if ($pad_up > 0) { $in += pow($base, $pad_up); } } for ($t = ($in != 0 ? floor(log($in, $base)) : 0); $t >= 0; $t--) { $bcp = bcpow($base, $t); $a = floor($in / $bcp) % $base; $out = $out . substr($index, $a, 1); $in = $in - ($a * $bcp); } return $prefix.$out; } } ShortIdGenerator::generate();

Version	System time (s)	User time (s)	Memory (MiB)
7.2.0	0.004	0.008	19.52
7.1.10	0.000	0.012	18.36
7.1.7	0.190	0.010	15.51
7.1.6	0.243	0.020	33.53
7.1.5	0.190	0.017	33.36
7.1.4	0.287	0.020	32.85
7.1.3	0.037	0.017	32.81
7.1.2	0.013	0.020	32.92
7.1.1	0.007	0.017	15.08
7.1.0	0.003	0.020	14.93
7.0.20	0.293	0.007	15.18
7.0.19	0.250	0.003	15.14
7.0.18	0.010	0.010	14.54
7.0.17	0.007	0.007	14.65
7.0.16	0.323	0.017	14.78
7.0.15	0.007	0.013	14.66
7.0.14	0.030	0.023	14.77
7.0.13	0.000	0.017	14.88
7.0.12	0.007	0.013	14.75
7.0.11	0.010	0.010	14.81
7.0.10	0.017	0.003	14.73
7.0.9	0.300	0.013	14.50
7.0.8	0.283	0.017	14.79
7.0.7	0.000	0.017	14.62
7.0.6	0.017	0.017	14.48
7.0.5	0.007	0.013	14.73
7.0.4	0.013	0.007	14.90
7.0.3	0.003	0.013	14.74
7.0.2	0.007	0.013	14.59
7.0.1	0.013	0.013	14.69
7.0.0	0.003	0.013	14.80