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]; if ($alt) { $curDigit *= 2; if ($curDigit > 9) $curDigit -= 9; } $sum += $curDigit; $alt = false; } if (($sum % 10) == 0 ){ return 0; } echo abs($sum) . PHP_EOL; return (10 - (abs($sum) % 10)); } echo GetLuhnCheckDigit(12345678912345678918);

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)
8.3.60.0090.01216.75
8.3.50.0120.00822.11
8.3.40.0070.00718.83
8.3.30.0150.00318.79
8.3.20.0000.00720.28
8.3.10.0000.00723.71
8.3.00.0040.00419.50
8.2.180.0060.01216.50
8.2.170.0080.01122.96
8.2.160.0100.00320.57
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00417.63
8.2.120.0080.00026.35
8.2.110.0110.00822.24
8.2.100.0120.00017.80
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0000.00817.68
8.2.50.0030.00518.07
8.2.40.0000.00719.14
8.2.30.0000.00720.60
8.2.20.0030.00517.88
8.2.10.0050.00318.18
8.2.00.0000.00718.00
8.1.280.0030.01325.92
8.1.270.0100.00023.73
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00322.05
8.1.230.0040.00817.78
8.1.220.0000.00817.76
8.1.210.0050.00318.77
8.1.200.0080.00017.35
8.1.190.0030.00517.38
8.1.180.0000.00818.10
8.1.170.0000.00818.59
8.1.160.0000.00722.02
8.1.150.0040.00418.93
8.1.140.0050.00319.64
8.1.130.0040.00417.62
8.1.120.0000.00717.45
8.1.110.0040.00417.37
8.1.100.0040.00417.41
8.1.90.0020.00517.45
8.1.80.0050.00317.36
8.1.70.0000.00717.46
8.1.60.0060.00317.59
8.1.50.0030.00517.57
8.1.40.0030.00617.41
8.1.30.0000.00817.66
8.1.20.0050.00317.64
8.1.10.0040.00417.57
8.1.00.0060.00617.50
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.26
8.0.270.0000.00717.08
8.0.260.0000.00817.11
8.0.250.0030.00316.95
8.0.240.0030.00316.95
8.0.230.0070.00316.86
8.0.220.0030.00316.86
8.0.210.0000.00716.79
8.0.200.0000.00716.97
8.0.190.0080.00016.98
8.0.180.0070.00016.96
8.0.170.0000.00816.95
8.0.160.0030.00516.93
8.0.150.0000.00716.80
8.0.140.0040.00416.94
8.0.130.0000.00513.38
8.0.120.0040.00416.92
8.0.110.0040.00416.93
8.0.100.0040.00417.02
8.0.90.0050.00316.94
8.0.80.0070.01017.00
8.0.70.0030.00516.97
8.0.60.0040.00417.02
8.0.50.0070.00017.02
8.0.30.0140.00817.23
8.0.20.0100.01017.40
8.0.10.0040.00417.16
8.0.00.0090.00916.71
7.4.330.0050.00016.82
7.4.320.0040.00416.41
7.4.300.0000.00616.57
7.4.290.0030.00316.47
7.4.280.0050.00216.57
7.4.270.0030.00316.54
7.4.260.0050.00216.43
7.4.250.0000.00816.39
7.4.240.0030.00316.45
7.4.230.0030.00316.60
7.4.220.0100.01016.55
7.4.210.0100.00516.52
7.4.200.0030.00316.65
7.4.160.0040.01616.71
7.4.150.0070.01117.40
7.4.140.0110.01117.86
7.4.130.0130.00616.56
7.4.120.0070.01316.64
7.4.110.0090.00916.52
7.4.100.0110.01116.50
7.4.90.0080.00916.74
7.4.80.0030.01219.39
7.4.70.0140.00416.40
7.4.60.0030.01316.66
7.4.50.0060.00616.63
7.4.40.0040.01416.44
7.4.30.0060.01616.52
7.4.10.0070.01014.89
7.4.00.0100.00715.16
7.3.330.0000.00513.45
7.3.320.0000.00513.26
7.3.310.0000.00816.40
7.3.300.0030.00316.37
7.3.290.0090.00916.43
7.3.280.0090.00916.42
7.3.270.0100.00717.40
7.3.260.0060.01216.48
7.3.240.0090.00816.60
7.3.230.0140.00416.51
7.3.210.0100.00616.71
7.3.200.0120.01416.48
7.3.190.0140.00716.50
7.3.180.0110.00616.53
7.3.170.0100.00616.37
7.3.160.0070.01016.54
7.3.130.0030.01615.13
7.3.120.0040.01415.13
7.3.110.0000.01415.03
7.3.100.0130.00314.90
7.3.90.0030.00714.63
7.3.80.0000.01214.95
7.3.70.0040.01114.75
7.3.60.0000.01314.70
7.3.50.0000.01014.88
7.3.40.0120.00314.75
7.3.30.0030.01314.98
7.3.20.0100.00316.69
7.3.10.0110.00416.62
7.3.00.0130.01116.67
7.2.330.0120.00616.79
7.2.320.0130.01516.61
7.2.310.0130.00316.81
7.2.300.0130.00916.51
7.2.290.0040.01716.79
7.2.260.0030.01615.16
7.2.250.0070.01115.03
7.2.240.0070.00715.13
7.2.230.0080.00415.06
7.2.220.0060.00714.79
7.2.210.0070.00315.11
7.2.200.0000.01315.04
7.2.190.0060.00915.04
7.2.180.0070.01015.10
7.2.170.0160.00315.06
7.2.160.0070.01015.25
7.2.150.0130.00016.96
7.2.140.0140.00416.89
7.2.130.0110.00516.49
7.2.120.0110.00616.51
7.2.110.0100.01316.55
7.2.100.0060.01216.48
7.2.90.0100.01416.61
7.2.80.0130.00816.70
7.2.70.0120.01016.58
7.2.60.0070.00916.69
7.2.50.0120.00616.85
7.2.40.0130.01117.08
7.2.30.0120.00316.78
7.2.20.0100.00516.72
7.2.10.0080.00716.66
7.2.00.0090.00717.83
7.1.330.0040.01115.89
7.1.320.0000.00915.62
7.1.310.0060.00315.75
7.1.300.0030.00716.02
7.1.290.0000.01115.64
7.1.280.0160.00015.85
7.1.270.0060.00915.85
7.1.260.0070.01115.78
7.1.250.0110.01015.46
7.1.240.0090.00315.78
7.1.230.0000.01115.93
7.1.220.0000.01115.86
7.1.210.0070.00315.71
7.1.200.0010.00915.82
7.1.190.0120.00315.64
7.1.180.0070.00715.86
7.1.170.0040.00415.64
7.1.160.0070.00415.82
7.1.150.0110.00415.94
7.1.140.0070.00715.86
7.1.130.0030.00715.71
7.1.120.0030.00715.86
7.1.110.0030.00815.89
7.1.100.0040.00716.98
7.1.90.0030.01015.76
7.1.80.0000.01415.89
7.1.70.0040.00716.45
7.1.60.0130.00517.67
7.1.50.0040.01316.46
7.1.40.0060.00615.71
7.1.30.0070.00315.71
7.1.20.0030.01015.97
7.1.10.0070.01015.55
7.1.00.0080.04019.08
7.0.330.0100.01015.39
7.0.320.0100.00715.49
7.0.310.0000.01615.54
7.0.300.0050.00515.47
7.0.290.0030.00715.43
7.0.280.0040.00715.53
7.0.270.0060.00615.49
7.0.260.0030.01015.61
7.0.250.0030.00915.44
7.0.240.0050.00315.35
7.0.230.0080.00615.38
7.0.220.0060.00615.48
7.0.210.0100.00015.48
7.0.200.0180.00115.25
7.0.190.0000.00815.60
7.0.180.0000.01415.29
7.0.170.0070.00315.51
7.0.160.0030.01015.46
7.0.150.0030.00715.47
7.0.140.0000.01115.68
7.0.130.0000.01415.35
7.0.120.0030.00615.18
7.0.110.0040.01115.24
7.0.100.0110.00415.29
7.0.90.0000.00815.36
7.0.80.0110.00315.50
7.0.70.0040.00415.25
7.0.60.0090.02017.65
7.0.50.0030.04016.68
7.0.40.0060.03716.69
7.0.30.0120.04916.94
7.0.20.0130.04616.77
7.0.10.0070.04016.86
7.0.00.0070.02216.85
5.6.400.0000.01614.45
5.6.390.0040.01514.48
5.6.380.0060.00614.53
5.6.370.0090.00614.26
5.6.360.0080.00414.63
5.6.350.0000.01514.50
5.6.340.0060.00614.69
5.6.330.0040.00714.68
5.6.320.0100.00314.26
5.6.310.0040.00413.96
5.6.300.0060.00313.91
5.6.290.0070.00714.59
5.6.280.0090.03517.79
5.6.270.0070.00714.90
5.6.260.0090.00614.57
5.6.250.0070.00714.58
5.6.240.0070.00714.68
5.6.230.0120.00314.64
5.6.220.0060.00614.38
5.6.210.0080.04317.52
5.6.200.0090.04516.31
5.6.190.0040.04917.59
5.6.180.0110.02717.50
5.6.170.0190.02917.36
5.6.160.0030.02717.50
5.6.150.0050.02916.21
5.6.140.0050.02816.38
5.6.130.0130.03616.38
5.6.120.0060.02117.72
5.6.110.0100.03817.73
5.6.100.0000.04117.61
5.6.90.0130.03517.80
5.6.80.0050.02617.49
5.6.70.0070.00314.21
5.6.60.0080.00814.48
5.6.50.0000.01513.96
5.6.40.0060.00314.15
5.6.30.0040.01114.24
5.6.20.0030.01014.36
5.6.10.0070.00714.54
5.6.00.0030.00614.41
5.5.380.0110.00314.28
5.5.370.0040.00414.20
5.5.360.0060.00814.62
5.5.350.1690.02217.49
5.5.340.0060.03816.24
5.5.330.0030.04517.46
5.5.320.0070.04417.35
5.5.310.0150.02217.37
5.5.300.0050.03316.16
5.5.290.0050.04516.15
5.5.280.0070.03517.38
5.5.270.0030.02917.57
5.5.260.0080.04317.73
5.5.250.0050.02317.36
5.5.240.0130.03217.30
5.5.230.0100.00614.42
5.5.220.0030.00914.26
5.5.210.0070.00714.36
5.5.200.0000.00814.02
5.5.190.0030.00914.34
5.5.180.0030.01414.30
5.5.170.0070.01014.32
5.5.160.0030.00614.12
5.5.150.0100.00314.50
5.5.140.0040.00414.46
5.5.130.0040.00814.18
5.5.120.0080.00614.29
5.5.110.0030.00914.21
5.5.100.0030.00614.56
5.5.90.0070.00714.34
5.5.80.0030.00914.16
5.5.70.0110.00614.13
5.5.60.0090.00614.48
5.5.50.0000.01414.44
5.5.40.0040.01114.52
5.5.30.0000.01214.02
5.5.20.0060.00614.41
5.5.10.0000.00814.57
5.5.00.0000.01114.19

preferences:
47.82 ms | 401 KiB | 5 Q