3v4l.org

run code in 300+ PHP versions simultaneously
<?php function luhn_validate($num) { $sum = 0; for($i=0; $i<strlen($num); $i++) { if($i & 1) { // odd $sum += (int)$num[$i]*2-9; } else { // even $sum += (int)$num[$i]; } } return (is_integer($sum / 10 )) ? true : false; } var_dump(luhn_validate('4111888888881881')); var_dump(luhn_validate('15616516516165165'));

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)
8.3.60.0100.01018.36
8.3.50.0150.00318.18
8.3.40.0090.00918.87
8.3.30.0110.00718.85
8.3.20.0030.00518.53
8.3.10.0040.00421.76
8.3.00.0040.00421.70
8.2.180.0070.00718.29
8.2.170.0120.00322.96
8.2.160.0130.00720.44
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0000.00822.21
8.2.120.0070.00026.35
8.2.110.0060.00320.74
8.2.100.0080.00317.97
8.2.90.0040.00417.91
8.2.80.0070.00018.05
8.2.70.0030.00617.93
8.2.60.0030.00618.22
8.2.50.0050.00318.10
8.2.40.0030.00519.48
8.2.30.0000.00720.50
8.2.20.0030.00518.00
8.2.10.0000.00817.94
8.2.00.0050.00319.33
8.1.280.0000.01425.92
8.1.270.0070.00023.99
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00322.51
8.1.230.0070.00421.10
8.1.220.0000.00817.74
8.1.210.0090.00020.72
8.1.200.0000.00817.23
8.1.190.0090.00017.23
8.1.180.0070.00018.10
8.1.170.0060.00318.58
8.1.160.0050.00318.83
8.1.150.0050.00318.87
8.1.140.0040.00418.89
8.1.130.0000.00717.35
8.1.120.0060.00317.36
8.1.110.0040.00417.29
8.1.100.0040.00417.42
8.1.90.0030.00517.36
8.1.80.0040.00417.42
8.1.70.0040.00417.38
8.1.60.0030.00617.62
8.1.50.0080.00017.55
8.1.40.0040.00817.34
8.1.30.0040.00817.67
8.1.20.0040.00417.48
8.1.10.0060.00317.48
8.1.00.0040.00417.52
8.0.300.0030.00619.86
8.0.290.0040.00416.75
8.0.280.0000.00718.49
8.0.270.0050.00317.27
8.0.260.0030.00316.82
8.0.250.0000.00716.95
8.0.240.0000.00716.96
8.0.230.0000.00716.84
8.0.220.0040.00416.88
8.0.210.0000.00716.77
8.0.200.0000.00616.84
8.0.190.0040.00416.86
8.0.180.0080.00016.83
8.0.170.0040.00416.88
8.0.160.0060.00316.89
8.0.150.0040.00416.79
8.0.140.0000.00716.84
8.0.130.0070.00013.27
8.0.120.0040.00416.79
8.0.110.0040.00416.75
8.0.100.0040.00416.76
8.0.90.0000.00816.81
8.0.80.0100.00816.79
8.0.70.0000.00716.87
8.0.60.0080.00016.87
8.0.50.0040.00416.86
8.0.30.0090.00916.99
8.0.20.0110.00917.40
8.0.10.0000.00817.07
8.0.00.0120.00516.61
7.4.330.0000.00615.55
7.4.320.0060.00016.55
7.4.300.0030.00316.61
7.4.290.0030.00316.61
7.4.280.0060.00716.53
7.4.270.0030.00316.60
7.4.260.0070.00016.48
7.4.250.0040.00416.37
7.4.240.0070.00016.58
7.4.230.0040.00416.57
7.4.220.0000.00816.62
7.4.210.0040.01116.53
7.4.200.0000.00716.40
7.4.160.0080.01016.53
7.4.140.0110.00717.86
7.4.130.0040.01616.44
7.4.120.0100.00916.53
7.4.110.0030.01316.57
7.4.100.0130.00316.25
7.4.90.0170.00616.50
7.4.80.0160.00019.39
7.4.70.0100.00716.49
7.4.60.0030.01316.50
7.4.50.0090.00616.40
7.4.40.0110.01116.32
7.4.00.0090.00914.93
7.3.330.0000.00513.34
7.3.320.0000.00613.22
7.3.310.0040.00416.32
7.3.300.0070.00016.27
7.3.290.0070.00016.29
7.3.280.0070.00816.32
7.3.260.0110.00716.53
7.3.240.0070.01116.58
7.3.230.0090.00916.31
7.3.210.0140.00816.32
7.3.200.0060.01016.36
7.3.190.0100.00716.38
7.3.180.0030.01516.60
7.3.170.0070.01316.55
7.3.160.0100.00716.63
7.2.330.0040.01516.73
7.2.320.0070.01016.66
7.2.310.0150.00616.58
7.2.300.0140.00316.57
7.2.290.0050.01116.44
7.2.100.1110.00614.76
7.2.90.0760.01214.55
7.2.80.0920.01014.88
7.2.70.0730.00714.83
7.2.60.0660.00315.11
7.2.50.0860.01015.11
7.2.40.0800.00415.06
7.2.30.0740.00315.17
7.2.20.0900.00715.21
7.2.10.0850.01315.04
7.2.00.0900.00314.46
7.1.220.0170.01313.77
7.1.210.1150.00313.78
7.1.200.0940.01013.90
7.1.190.0800.00713.88
7.1.180.0960.00714.10
7.1.170.0820.00614.11
7.1.160.0850.00714.05
7.1.150.0820.00313.81
7.1.140.0870.01314.13
7.1.130.0930.00013.84
7.1.120.1140.00613.91
7.1.110.0720.00914.05
7.1.100.0820.00313.87
7.1.90.0970.00913.96
7.1.80.0940.00313.85
7.1.70.0820.00913.79
7.1.60.1050.00931.93
7.1.50.1230.00332.07
7.1.40.1080.00631.63
7.1.30.1000.00931.91
7.1.20.0940.01331.92
7.1.10.0750.00713.95
7.1.00.0740.00613.97
5.6.380.0100.00714.32

preferences:
56.03 ms | 404 KiB | 6 Q