3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = 'DKK8797365A367653657'; $tail = substr($input, -4); echo '***************' . $tail;

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)
8.3.60.0040.01116.38
8.3.50.0100.00622.05
8.3.40.0060.00918.75
8.3.30.0070.01018.73
8.3.20.0050.00220.34
8.3.10.0040.00423.66
8.3.00.0040.00417.90
8.2.180.0090.00916.75
8.2.170.0110.00722.96
8.2.160.0100.00320.21
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00820.87
8.2.110.0060.00322.25
8.2.100.0080.00418.10
8.2.90.0030.00519.27
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0080.00018.03
8.2.50.0060.00318.07
8.2.40.0040.00418.14
8.2.30.0030.00618.12
8.2.20.0040.00417.64
8.2.10.0030.00318.23
8.2.00.0000.00817.74
8.1.280.0080.00525.92
8.1.270.0030.00624.02
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00623.98
8.1.230.0060.00619.16
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0040.00418.32
8.1.160.0070.00021.86
8.1.150.0030.00518.77
8.1.140.0040.00417.34
8.1.130.0030.00517.82
8.1.120.0040.00417.36
8.1.110.0040.00417.32
8.1.100.0000.00717.41
8.1.90.0070.00017.32
8.1.80.0040.00417.33
8.1.70.0070.00017.29
8.1.60.0090.00017.48
8.1.50.0000.00917.49
8.1.40.0070.00017.41
8.1.30.0040.00417.63
8.1.20.0040.00417.54
8.1.10.0000.00917.48
8.1.00.0040.00417.46
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0030.00318.44
8.0.270.0030.00517.25
8.0.260.0030.00317.20
8.0.250.0000.00716.85
8.0.240.0000.00816.95
8.0.230.0030.00316.96
8.0.220.0030.00316.86
8.0.210.0000.00716.83
8.0.200.0070.00016.92
8.0.190.0040.00416.83
8.0.180.0040.00416.85
8.0.170.0000.00716.88
8.0.160.0000.00716.85
8.0.150.0040.00416.90
8.0.140.0070.00016.77
8.0.130.0030.00313.31
8.0.120.0040.00416.81
8.0.110.0040.00416.80
8.0.100.0070.00016.79
8.0.90.0070.00016.66
8.0.80.0060.00916.84
8.0.70.0040.00416.64
8.0.60.0000.00716.84
8.0.50.0070.00016.71
8.0.30.0100.01116.92
8.0.20.0050.01417.40
8.0.10.0040.00416.81
8.0.00.0150.00616.59
7.4.330.0030.00315.14
7.4.320.0000.00616.56
7.4.300.0040.00416.54
7.4.290.0070.00016.47
7.4.280.0070.00016.29
7.4.270.0030.00316.52
7.4.260.0040.00416.44
7.4.250.0000.00816.40
7.4.240.0000.00816.51
7.4.230.0000.00716.65
7.4.220.0130.01316.40
7.4.210.0060.00916.40
7.4.200.0080.00016.33
7.4.160.0120.00316.50
7.4.150.0030.01417.40
7.4.140.0080.00917.86
7.4.130.0070.01116.43
7.4.120.0100.00716.48
7.4.110.0100.01016.46
7.4.100.0150.00616.44
7.4.90.0100.00716.41
7.4.80.0030.01619.39
7.4.70.0130.01016.47
7.4.60.0040.01216.31
7.4.50.0040.00416.34
7.4.40.0130.00316.46
7.4.30.0160.00016.38
7.4.00.0100.00715.02
7.3.330.0060.00013.13
7.3.320.0000.00513.06
7.3.310.0000.00616.28
7.3.300.0000.00616.19
7.3.290.0090.00616.15
7.3.280.0060.01116.17
7.3.270.0130.00317.40
7.3.260.0150.00416.30
7.3.250.0120.00516.24
7.3.240.0070.01116.27
7.3.230.0100.00616.43
7.3.210.0110.00716.24
7.3.200.0070.01016.53
7.3.190.0110.00716.16
7.3.180.0130.00716.16
7.3.170.0060.01216.38
7.3.160.0130.01016.30
7.3.120.0100.00714.64
7.2.330.0060.01216.49
7.2.320.0070.01416.64
7.2.310.0060.01216.77
7.2.300.0090.01016.72
7.2.290.0130.00316.81
7.2.60.0060.00616.79
7.2.00.0110.00419.15
7.1.200.0040.01115.71
7.1.100.0240.00917.11
7.1.70.0040.00717.11
7.1.60.0110.01419.70
7.1.50.0110.00616.96
7.1.00.0030.07722.45
7.0.200.0030.00716.50
7.0.140.0030.07321.97
7.0.60.0130.07319.96
7.0.50.0070.08317.77
7.0.40.0170.07320.07
7.0.30.0130.08320.00
7.0.20.0130.04320.13
7.0.10.0130.08020.13
7.0.00.0070.05720.20
5.6.280.0000.07721.09
5.6.210.0200.06320.60
5.6.200.0070.07318.16
5.6.190.0030.05320.41
5.6.180.0370.05720.45
5.6.170.0270.04720.48
5.6.160.0030.07320.33
5.6.150.0070.08318.20
5.6.140.0100.07018.13
5.6.130.0030.04318.18
5.6.120.0100.07320.90
5.6.110.0070.04021.12
5.6.100.0070.07320.97
5.6.90.0170.06721.03
5.6.80.0000.04320.41
5.5.350.0070.07720.46
5.5.340.0100.06318.02
5.5.330.0130.08720.40
5.5.320.3730.03020.26
5.5.310.0400.05720.21
5.5.300.0100.04017.95
5.5.290.0170.07317.96
5.5.280.0030.08720.77
5.5.270.0070.05720.66
5.5.260.0070.08720.72
5.5.250.0070.06720.68
5.5.240.0030.08720.11
5.4.450.0970.02719.41
5.4.440.0870.03319.23
5.4.430.0930.04319.41
5.4.420.0100.07319.35
5.4.410.0230.04018.93
5.4.400.0400.06018.73
5.4.390.0270.08318.50
5.4.380.0270.04018.63
5.4.370.0030.05018.48
5.4.360.0030.04318.61
5.4.350.0050.03711.97
5.4.340.0050.04011.96
5.4.320.0060.04212.45
5.4.310.0070.03712.45
5.4.300.0040.04012.45
5.4.290.0070.03712.45
5.4.280.0060.03812.35
5.4.270.0050.03712.35
5.4.260.0100.03312.34
5.4.250.0050.03912.34
5.4.240.0040.03812.35
5.4.230.0050.04712.34
5.4.220.0130.04812.34
5.4.210.0100.03612.34
5.4.200.0070.03612.34
5.4.190.0080.03412.34
5.4.180.0060.03712.34
5.4.170.0090.04812.34
5.4.160.0110.04512.34
5.4.150.0090.03812.34
5.4.140.0070.04312.02
5.4.130.0060.03712.01
5.4.120.0060.03411.97
5.4.110.0040.03711.96
5.4.100.0110.03911.96
5.4.90.0050.03811.96
5.4.80.0100.03911.96
5.4.70.0040.03611.96
5.4.60.0070.03411.96
5.4.50.0050.03811.96
5.4.40.0010.03911.95
5.4.30.0090.03311.95
5.4.20.0070.03511.95
5.4.10.0050.03711.95
5.4.00.0040.03811.43
5.3.290.0050.04012.80
5.3.280.0070.04112.71
5.3.270.0090.04012.72
5.3.260.0070.04112.72
5.3.250.0120.03612.72
5.3.240.0070.03712.72
5.3.230.0060.03712.71
5.3.220.0060.03812.68
5.3.210.0050.04012.68
5.3.200.0060.03712.68
5.3.190.0080.03612.68
5.3.180.0060.03812.68
5.3.170.0040.03912.67
5.3.160.0100.03712.67
5.3.150.0060.03612.67
5.3.140.0070.04212.66
5.3.130.0110.03512.66
5.3.120.0120.03712.66
5.3.110.0110.04212.66
5.3.100.0060.03912.12
5.3.90.0080.05412.09
5.3.80.0070.04212.07
5.3.70.0040.03912.07
5.3.60.0070.03512.06
5.3.50.0060.04212.00
5.3.40.0060.03812.00
5.3.30.0110.03211.94
5.3.20.0060.04211.72
5.3.10.0090.03211.69
5.3.00.0070.04111.68
5.2.170.0030.0329.18
5.2.160.0080.0309.17
5.2.150.0080.0319.18
5.2.140.0030.0329.18
5.2.130.0070.0349.13
5.2.120.0050.0279.13
5.2.110.0040.0319.14
5.2.100.0070.0279.13
5.2.90.0030.0379.14
5.2.80.0080.0299.13
5.2.70.0050.0299.13
5.2.60.0070.0289.08
5.2.50.0080.0279.05
5.2.40.0050.0299.03
5.2.30.0040.0309.01
5.2.20.0090.0298.99
5.2.10.0050.0288.92
5.2.00.0040.0308.77
5.1.60.0090.0218.06
5.1.50.0060.0338.06
5.1.40.0080.0238.04
5.1.30.0050.0258.39
5.1.20.0030.0288.41
5.1.10.0030.0288.13
5.1.00.0080.0328.14
5.0.50.0030.0276.61
5.0.40.0020.0266.47
5.0.30.0030.0416.28
5.0.20.0040.0196.26
5.0.10.0030.0226.23
5.0.00.0020.0336.22
4.4.90.0040.0154.77
4.4.80.0050.0194.75
4.4.70.0010.0194.75
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0030.0144.76
4.4.20.0040.0154.84
4.4.10.0060.0134.85
4.4.00.0050.0224.76
4.3.110.0030.0164.67
4.3.100.0020.0164.66
4.3.90.0020.0174.63
4.3.80.0020.0254.58
4.3.70.0050.0134.63
4.3.60.0040.0144.63
4.3.50.0010.0174.63
4.3.40.0040.0234.54
4.3.30.0030.0173.28
4.3.20.0040.0163.25
4.3.10.0010.0163.22
4.3.00.0130.02314.98

preferences:
40.4 ms | 401 KiB | 5 Q