3v4l.org

run code in 300+ PHP versions simultaneously
<?php function GetLuhnCheckDigit($number) { $sum = 0; $alt = true; $digits = str_split($number); for ($i = count($digits) - 1; $i >= 0; $i--) { $curDigit = ($digits[$i] - 48); if ($alt) { $curDigit *= 2; if ($curDigit > 9) $curDigit -= 9; } $sum += $curDigit; $alt = false; } if (($sum % 10) == 0 ){ return 0; } echo $sum . PHP_EOL; return (10 - (abs($sum) % 10)); } echo GetLuhnCheckDigit(1234567891234567891);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0120.00316.50
8.3.50.0070.01322.10
8.3.40.0060.00918.79
8.3.30.0070.00718.84
8.3.20.0040.00420.33
8.3.10.0070.00023.66
8.3.00.0030.00619.40
8.2.180.0110.00718.54
8.2.170.0090.00922.96
8.2.160.0070.00720.53
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00417.75
8.2.120.0080.00026.35
8.2.110.0040.00822.08
8.2.100.0040.00818.04
8.2.90.0030.00619.30
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0050.00317.93
8.2.50.0080.00018.07
8.2.40.0040.00419.41
8.2.30.0040.00420.67
8.2.20.0000.01017.68
8.2.10.0000.00818.19
8.2.00.0070.00018.06
8.1.280.0110.00425.92
8.1.270.0080.00023.88
8.1.260.0000.00828.09
8.1.250.0000.00728.09
8.1.240.0030.00622.71
8.1.230.0060.00617.68
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0030.00617.22
8.1.190.0040.00417.10
8.1.180.0030.00518.10
8.1.170.0040.00418.78
8.1.160.0040.00422.05
8.1.150.0040.00418.89
8.1.140.0040.00419.60
8.1.130.0000.00717.75
8.1.120.0000.00717.30
8.1.110.0000.00717.48
8.1.100.0050.00217.46
8.1.90.0020.00517.36
8.1.80.0000.00717.44
8.1.70.0000.00717.39
8.1.60.0040.00417.58
8.1.50.0030.00617.43
8.1.40.0030.00617.41
8.1.30.0030.00517.54
8.1.20.0000.00717.48
8.1.10.0050.00217.49
8.1.00.0060.00617.53
8.0.300.0020.00518.77
8.0.290.0000.00716.75
8.0.280.0030.00318.36
8.0.270.0000.00717.17
8.0.260.0060.00317.18
8.0.250.0000.00716.98
8.0.240.0030.00316.97
8.0.230.0040.00417.00
8.0.220.0000.00816.88
8.0.210.0070.00016.96
8.0.200.0030.00317.04
8.0.190.0080.00017.06
8.0.180.0080.00016.86
8.0.170.0000.00816.86
8.0.160.0030.00316.95
8.0.150.0020.00516.79
8.0.140.0000.00716.87
8.0.130.0000.00513.43
8.0.120.0000.00816.88
8.0.110.0070.00017.02
8.0.100.0070.00016.90
8.0.90.0040.00416.75
8.0.80.0120.00916.95
8.0.70.0040.00416.90
8.0.60.0000.00816.98
8.0.50.0040.00416.82
8.0.30.0110.00617.06
8.0.20.0100.00917.40
8.0.10.0050.00317.02
8.0.00.0050.01216.80
7.4.330.0000.00516.69
7.4.320.0000.00716.59
7.4.300.0000.00716.60
7.4.290.0080.00016.55
7.4.280.0090.00016.41
7.4.270.0000.00716.56
7.4.260.0000.00816.63
7.4.250.0070.00016.32
7.4.240.0040.00316.48
7.4.230.0000.00716.51
7.4.220.0040.01516.63
7.4.210.0000.01516.63
7.4.200.0040.00416.63
7.4.160.0070.01016.50
7.4.150.0140.00417.40
7.4.140.0080.01217.86
7.4.130.0070.01216.46
7.4.120.0100.00816.48
7.4.110.0160.00516.51
7.4.100.0090.01516.51
7.4.90.0040.01416.66
7.4.80.0030.01319.39
7.4.70.0100.01016.49
7.4.60.0100.00616.44
7.4.50.0080.00616.58
7.4.40.0110.00716.51
7.4.30.0100.01016.67
7.4.00.0130.00314.80
7.3.330.0000.00513.32
7.3.320.0000.00613.21
7.3.310.0000.00716.36
7.3.300.0000.00616.25
7.3.290.0090.00716.34
7.3.280.0090.00716.35
7.3.270.0030.01317.40
7.3.260.0100.00716.57
7.3.250.0120.00516.54
7.3.240.0100.00816.40
7.3.230.0130.00416.66
7.3.210.0030.01716.44
7.3.200.0100.01216.30
7.3.190.0030.01516.58
7.3.180.0070.01016.62
7.3.170.0060.01116.53
7.3.160.0100.00716.67
7.2.330.0090.00916.70
7.2.320.0120.01216.49
7.2.310.0090.00916.45
7.2.300.0170.00616.64
7.2.290.0100.01016.58
7.1.100.0120.00418.10
7.1.70.0070.00716.93
7.1.60.0160.00919.48
7.1.50.0040.01417.02
7.1.00.0000.08022.36
7.0.200.0350.00714.64
7.0.60.0130.07319.91
7.0.50.0000.06017.94
7.0.40.0100.08020.23
7.0.30.0200.08320.34
7.0.20.0270.05020.04
7.0.10.0070.08020.33
7.0.00.0070.08020.22
5.6.280.0030.03021.07
5.6.210.0030.08320.63
5.6.200.0030.04318.21
5.6.190.0000.06020.58
5.6.180.0200.04020.53
5.6.170.0170.07320.39
5.6.160.0100.07720.55
5.6.150.0100.07318.19
5.6.140.0000.08018.18
5.6.130.0100.08318.14
5.6.120.0030.04321.05
5.6.110.0070.04021.12
5.6.100.0070.06321.13
5.6.90.0030.06321.00
5.6.80.0100.06320.43
5.5.350.3930.04720.35
5.5.340.0100.05017.93
5.5.330.0030.06020.27
5.5.320.0070.08020.25
5.5.310.0200.04320.30
5.5.300.0070.06717.95
5.5.290.0070.07017.91
5.5.280.0030.04720.77
5.5.270.0130.08020.87
5.5.260.0030.06720.86
5.5.250.0070.03720.54
5.5.240.0500.03720.35

preferences:
30.5 ms | 401 KiB | 5 Q