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 abs($sum) . PHP_EOL; return (10 - (abs($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)
8.3.70.0100.01018.33
8.3.60.0070.01416.88
8.3.50.0140.00522.00
8.3.40.0060.00918.87
8.3.30.0120.00318.70
8.3.20.0040.00420.34
8.3.10.0040.00423.66
8.3.00.0060.00319.38
8.2.190.0070.00718.18
8.2.180.0110.00418.05
8.2.170.0200.00022.96
8.2.160.0080.00620.39
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0000.01117.63
8.2.120.0000.00726.35
8.2.110.0090.00019.30
8.2.100.0070.00418.05
8.2.90.0040.00419.18
8.2.80.0030.00517.97
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0000.00719.28
8.2.30.0040.00420.64
8.2.20.0070.00417.70
8.2.10.0000.00818.14
8.2.00.0040.00418.14
8.1.280.0090.00625.92
8.1.270.0030.00523.82
8.1.260.0050.00228.09
8.1.250.0050.00228.09
8.1.240.0030.00620.93
8.1.230.0090.00317.66
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0070.00417.35
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0040.00418.49
8.1.160.0050.00222.08
8.1.150.0000.00718.81
8.1.140.0000.00819.60
8.1.130.0000.00817.68
8.1.120.0040.00417.49
8.1.110.0000.00717.52
8.1.100.0040.00417.50
8.1.90.0040.00417.47
8.1.80.0030.00317.36
8.1.70.0000.00817.29
8.1.60.0040.00417.52
8.1.50.0030.00517.48
8.1.40.0040.00417.58
8.1.30.0050.00317.69
8.1.20.0000.00717.69
8.1.10.0050.00317.62
8.1.00.0030.00617.38
8.0.300.0000.00918.77
8.0.290.0000.00716.61
8.0.280.0030.00518.46
8.0.270.0030.00317.20
8.0.260.0000.00717.27
8.0.250.0080.00017.03
8.0.240.0000.00817.04
8.0.230.0000.00917.02
8.0.220.0020.00516.99
8.0.210.0000.00716.84
8.0.200.0000.00717.00
8.0.190.0000.00816.93
8.0.180.0030.00516.89
8.0.170.0090.00016.89
8.0.160.0030.00317.03
8.0.150.0040.00416.89
8.0.140.0070.00016.94
8.0.130.0030.00313.40
8.0.120.0000.00916.90
8.0.110.0040.00417.00
8.0.100.0070.00016.96
8.0.90.0050.00316.97
8.0.80.0060.00916.94
8.0.70.0080.00016.84
8.0.60.0040.00417.01
8.0.50.0040.00416.99
8.0.30.0030.01417.05
8.0.20.0100.00917.40
8.0.10.0080.00017.08
8.0.00.0070.01016.84
7.4.330.0050.00016.74
7.4.320.0040.00416.55
7.4.300.0000.00816.52
7.4.290.0030.00316.53
7.4.280.0030.00416.43
7.4.270.0000.00716.63
7.4.260.0000.00716.60
7.4.250.0000.00716.49
7.4.240.0040.00416.61
7.4.230.0030.00316.44
7.4.220.0080.01116.65
7.4.210.0070.00716.64
7.4.200.0000.00716.73
7.4.160.0100.00716.49
7.4.150.0060.01217.40
7.4.140.0120.00917.86
7.4.130.0100.01016.52
7.4.120.0070.01016.58
7.4.110.0030.01716.56
7.4.100.0100.01416.40
7.4.90.0100.01416.75
7.4.80.0060.01219.39
7.4.70.0030.01616.68
7.4.60.0060.00916.44
7.4.50.0090.00316.75
7.4.40.0100.01316.63
7.4.30.0070.01016.65
7.4.10.0060.01215.23
7.4.00.0040.01014.85
7.3.330.0000.00513.25
7.3.320.0000.00513.39
7.3.310.0000.00816.42
7.3.300.0000.00716.34
7.3.290.0080.00616.37
7.3.280.0040.01016.38
7.3.270.0170.00717.40
7.3.260.0040.01216.36
7.3.250.0050.01216.38
7.3.240.0120.00616.44
7.3.230.0060.01016.41
7.3.210.0100.01016.41
7.3.200.0060.01016.51
7.3.190.0110.00616.58
7.3.180.0060.01016.63
7.3.170.0030.01516.58
7.3.160.0060.01116.33
7.3.130.0090.00614.94
7.3.120.0060.01314.85
7.3.110.0030.01714.98
7.3.100.0060.00814.87
7.3.90.0080.00814.98
7.3.80.0070.00314.90
7.3.70.0060.00615.04
7.3.60.0000.01215.01
7.3.50.0040.00714.88
7.3.40.0060.00914.62
7.3.30.0070.00714.98
7.3.20.0060.00616.50
7.3.10.0110.00416.71
7.3.00.0030.00616.75
7.2.330.0100.01016.87
7.2.320.0130.01316.88
7.2.310.0120.00616.52
7.2.300.0090.01316.57
7.2.290.0100.01316.82
7.2.260.0060.00915.16
7.2.250.0070.01115.07
7.2.240.0060.00814.88
7.2.230.0040.01215.07
7.2.220.0040.01114.66
7.2.210.0070.00715.21
7.2.200.0030.01214.95
7.2.190.0100.00715.17
7.2.180.0080.00814.94
7.2.170.0070.00715.16
7.2.160.0000.01115.10
7.2.150.0070.00717.09
7.2.140.0060.00317.00
7.2.130.0060.00916.73
7.2.120.0100.00717.00
7.2.110.0130.00316.66
7.2.100.0060.00616.68
7.2.90.0030.01016.85
7.2.80.0060.00916.94
7.2.70.0070.00716.91
7.2.60.0140.00417.09
7.2.50.0130.00316.98
7.2.40.0070.00717.03
7.2.30.0100.00317.14
7.2.20.0070.01017.13
7.2.10.0110.00316.82
7.2.00.0050.01118.19
7.1.330.0040.01215.77
7.1.320.0030.00715.89
7.1.310.0000.01415.93
7.1.300.0090.00615.76
7.1.290.0070.00715.59
7.1.280.0070.00715.62
7.1.270.0080.00415.97
7.1.260.0060.00615.64
7.1.250.0000.00815.77
7.1.240.0000.00915.60
7.1.230.0030.01015.71
7.1.220.0030.01015.96
7.1.210.0000.01215.55
7.1.200.0030.01015.55
7.1.190.0000.00915.75
7.1.180.0090.00915.93
7.1.170.0040.01215.77
7.1.160.0040.01115.91
7.1.150.0090.00315.71
7.1.140.0030.00915.85
7.1.130.0150.00315.86
7.1.120.0090.00915.91
7.1.110.0060.00316.03
7.1.100.0050.01117.05
7.1.90.0030.01015.76
7.1.80.0080.00815.74
7.1.70.0040.00816.34
7.1.60.0090.00917.64
7.1.50.0040.01116.31
7.1.40.0060.00615.79
7.1.30.0060.00615.99
7.1.20.0110.00416.01
7.1.10.0000.01115.93
7.1.00.0080.03819.12
7.0.330.0080.00415.25
7.0.320.0070.00715.61
7.0.310.0030.01315.37
7.0.300.0120.00415.45
7.0.290.0100.00315.30
7.0.280.0070.00315.42
7.0.270.0000.01315.28
7.0.260.0120.00015.13
7.0.250.0030.00615.25
7.0.240.0030.01315.52
7.0.230.0070.00715.36
7.0.220.0030.01015.54
7.0.210.0070.00715.45
7.0.200.0180.00514.96
7.0.190.0030.01015.53
7.0.180.0100.00015.54
7.0.170.0040.00415.29
7.0.160.0090.00315.48
7.0.150.0070.00715.50
7.0.140.0070.00315.24
7.0.130.0100.00315.32
7.0.120.0100.00315.45
7.0.110.0030.00515.31
7.0.100.0060.00315.38
7.0.90.0080.00015.53
7.0.80.0070.00715.45
7.0.70.0080.00415.32
7.0.60.0020.04417.61
7.0.50.0080.04316.62
7.0.40.0060.02916.82
7.0.30.0130.04316.76
7.0.20.0240.04016.97
7.0.10.0050.04016.88
7.0.00.0080.04916.71
5.6.400.0000.01514.20
5.6.390.0040.00814.58
5.6.380.0130.00014.03
5.6.370.0060.00614.70
5.6.360.0060.00314.88
5.6.350.0070.00314.80
5.6.340.0000.01714.31
5.6.330.0060.00614.41
5.6.320.0070.00714.61
5.6.310.0080.00014.17
5.6.300.0040.01114.66
5.6.290.0070.00714.75
5.6.280.0050.02017.53
5.6.270.0090.00414.51
5.6.260.0070.00414.66
5.6.250.0040.01114.36
5.6.240.0040.00714.41
5.6.230.0030.01014.35
5.6.220.0030.01014.25
5.6.210.0090.03917.57
5.6.200.0050.02416.21
5.6.190.0060.02517.62
5.6.180.0180.02217.44
5.6.170.0100.02917.34
5.6.160.0040.04617.49
5.6.150.0060.02616.35
5.6.140.0100.01816.18
5.6.130.0080.04516.22
5.6.120.0050.02617.54
5.6.110.0070.04017.62
5.6.100.0070.02917.67
5.6.90.0060.02817.83
5.6.80.0050.04517.41
5.6.70.0080.00814.23
5.6.60.0030.01014.40
5.6.50.0000.01414.18
5.6.40.0040.01114.27
5.6.30.0060.00914.25
5.6.20.0030.00914.35
5.6.10.0100.00314.22
5.6.00.0080.00614.45
5.5.380.0060.00614.29
5.5.370.0030.00614.60
5.5.360.0040.00714.56
5.5.350.1920.02517.43
5.5.340.0050.02916.09
5.5.330.0080.03817.36
5.5.320.0050.04717.37
5.5.310.0160.02317.32
5.5.300.0100.04216.30
5.5.290.0070.04516.15
5.5.280.0080.04617.58
5.5.270.0030.05017.60
5.5.260.0100.04017.62
5.5.250.0050.02317.40
5.5.240.0140.03717.33
5.5.230.0070.01114.30
5.5.220.0080.00414.29
5.5.210.0060.01214.11
5.5.200.0090.00614.52
5.5.190.0030.01313.90
5.5.180.0080.00614.23
5.5.170.0140.00014.50
5.5.160.0030.01214.04
5.5.150.0070.01014.36
5.5.140.0070.00314.33
5.5.130.0070.00714.35
5.5.120.0100.00314.40
5.5.110.0140.00014.38
5.5.100.0060.00314.38
5.5.90.0060.00614.39
5.5.80.0030.01014.52
5.5.70.0080.00614.41
5.5.60.0030.01014.41
5.5.50.0050.00514.17
5.5.40.0130.00014.50
5.5.30.0030.00914.16
5.5.20.0090.00314.13
5.5.10.0000.01214.37
5.5.00.0070.00714.49

preferences:
53.91 ms | 401 KiB | 5 Q