Online PHP editor | perf for pGuuG

<?php public function validateUPCA($value) { $upc = strval($value); $stringLength = strlen($upc); if($stringLength < 12 || $stringLength > 13 || intval($upc)==0) { return false; } $odd_sum = 0; $even_sum = 0; for($i = 0; $i < $stringLength - 1; $i++) { if($i % 2 === 1) { $even_sum += $upc[$i]; } else { $odd_sum += $upc[$i]; } } if ($stringLength == 12) { // UPC-A format. Odd Sum * 3 $total_sum = $even_sum + $odd_sum * 3; } else { // EAN format. Even Sum * 3 $total_sum = $odd_sum + $even_sum * 3; } $modulo10 = $total_sum % 10; $check_digit = $modulo10 == 0 ? 0 : 10 - $modulo10; return $upc[$stringLength - 1] == $check_digit; } public main() { $value = 840018115309; $res = validateUPCA($value); echo "res: $res\n"; }

Version	System time (s)	User time (s)	Memory (MiB)
5.6.15	0.007	0.077	18.15
5.6.14	0.010	0.073	18.28
5.6.13	0.007	0.077	18.19
5.6.12	0.007	0.077	21.03
5.6.11	0.007	0.043	21.11
5.6.10	0.020	0.070	20.97
5.6.9	0.003	0.040	20.98
5.6.8	0.003	0.057	20.50
5.5.30	0.007	0.063	17.98
5.5.29	0.000	0.053	18.02
5.5.28	0.007	0.037	20.82
5.5.27	0.013	0.070	20.78
5.5.26	0.053	0.057	20.73
5.5.25	0.003	0.043	20.59
5.5.24	0.037	0.057	20.34

Version

System time (s)

User time (s)

Memory (MiB)

5.6.15

0.007

0.077

18.15

5.6.14

0.010

0.073

18.28

5.6.13

0.007

0.077

18.19

5.6.12

0.007

0.077

21.03

5.6.11

0.007

0.043

21.11

5.6.10

0.020

0.070

20.97

5.6.9

0.003

0.040

20.98

5.6.8

0.003

0.057

20.50

5.5.30

0.007

0.063

17.98

5.5.29

0.000

0.053

18.02

5.5.28

0.007

0.037

20.82

5.5.27

0.013

0.070

20.78

5.5.26

0.053

0.057

20.73

5.5.25

0.003

0.043

20.59

5.5.24

0.037

0.057

20.34