3v4l.org

run code in 300+ PHP versions simultaneously
<?php $CognitiveSkillScoreAverage = 120; $CognitiveSkillScoreSTDV = 80; $CognitiveScoreAverage = 800; $CognitiveScoreSTDV = 60; $CScore = 100; $newcog = $CognitiveSkillScoreAverage +=((($CScore - $CognitiveScoreAverage) /$CognitiveScoreSTDV) * $CognitiveSkillScoreSTDV); echo $newcog;

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)
8.3.60.0090.00918.30
8.3.50.0170.00222.05
8.3.40.0090.01218.67
8.3.30.0110.00719.01
8.3.20.0100.00320.21
8.3.10.0160.00322.10
8.3.00.0040.00422.54
8.2.180.0120.00316.50
8.2.170.0040.01122.96
8.2.160.0070.01120.94
8.2.150.0100.01024.18
8.2.140.0090.00924.66
8.2.130.0120.00326.16
8.2.120.0040.00419.38
8.2.110.0040.00422.14
8.2.100.0050.00517.78
8.2.90.0030.00619.38
8.2.80.0040.00418.03
8.2.70.0030.00617.63
8.2.60.0020.00518.03
8.2.50.0080.00018.07
8.2.40.0040.00418.29
8.2.30.0050.00218.16
8.2.20.0050.00217.75
8.2.10.0020.00517.64
8.2.00.0040.00417.85
8.1.280.0000.01425.92
8.1.270.0130.00623.88
8.1.260.0130.00626.35
8.1.250.0060.00928.09
8.1.240.0050.00323.96
8.1.230.0070.00418.84
8.1.220.0080.00017.79
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0040.00417.40
8.1.180.0040.00418.10
8.1.170.0030.00518.53
8.1.160.0040.00421.93
8.1.150.0000.00818.44
8.1.140.0000.00717.37
8.1.130.0040.00417.73
8.1.120.0000.00717.41
8.1.110.0040.00417.37
8.1.100.0020.00517.29
8.1.90.0030.00417.43
8.1.80.0000.00717.30
8.1.70.0030.00317.36
8.1.60.0060.00317.52
8.1.50.0060.00317.35
8.1.40.0040.00417.39
8.1.30.0060.00317.56
8.1.20.0030.00517.55
8.1.10.0080.00017.41
8.1.00.0070.00017.52
8.0.300.0040.00418.77
8.0.290.0040.00417.18
8.0.280.0070.00018.43
8.0.270.0000.00717.08
8.0.260.0070.00016.72
8.0.250.0040.00416.98
8.0.240.0040.00416.78
8.0.230.0030.00316.96
8.0.220.0040.00416.89
8.0.210.0070.00016.89
8.0.200.0000.00616.74
8.0.190.0070.00016.74
8.0.180.0030.00316.86
8.0.170.0000.00716.88
8.0.160.0040.00416.84
8.0.150.0070.00016.82
8.0.140.0080.00016.77
8.0.130.0060.00013.20
8.0.120.0040.00416.66
8.0.110.0000.00716.88
8.0.100.0000.00716.71
8.0.90.0040.00416.64
8.0.80.0070.01116.80
8.0.70.0000.00716.63
8.0.60.0050.00216.80
8.0.50.0070.00016.66
8.0.30.0080.01017.17
8.0.20.0100.00917.40
8.0.10.0040.00416.86
8.0.00.0100.00716.70
7.4.330.0030.00315.08
7.4.320.0030.00316.45
7.4.300.0060.00016.34
7.4.290.0000.00816.43
7.4.280.0000.00716.52
7.4.270.0060.00316.40
7.4.260.0030.00316.47
7.4.250.0000.00716.29
7.4.240.0070.00016.38
7.4.230.0030.00316.40
7.4.220.0100.01416.56
7.4.210.0110.00616.54
7.4.200.0000.00816.51
7.4.190.0000.00716.29
7.4.160.0100.00616.27
7.4.150.0100.00717.40
7.4.140.0120.01017.86
7.4.130.0100.01016.37
7.4.120.0090.01016.47
7.4.110.0060.01116.36
7.4.100.0040.01616.31
7.4.90.0180.00616.37
7.4.80.0130.00319.39
7.4.70.0060.01216.62
7.4.60.0090.00616.33
7.4.50.0030.00316.27
7.4.40.0090.00622.77
7.4.30.0150.00616.45
7.4.00.0120.00314.66
7.3.330.0000.00513.13
7.3.320.0060.00013.23
7.3.310.0040.00416.34
7.3.300.0070.00016.11
7.3.290.0080.00816.26
7.3.280.0080.00716.29
7.3.270.0080.01017.40
7.3.260.0200.00316.29
7.3.250.0140.00616.40
7.3.240.0090.01216.58
7.3.230.0070.01016.39
7.3.210.0090.00916.23
7.3.200.0120.00616.32
7.3.190.0060.01216.43
7.3.180.0130.00316.46
7.3.170.0110.00716.36
7.3.160.0090.01216.35
7.3.120.0030.01014.73
7.2.330.0080.00816.35
7.2.320.0110.00616.71
7.2.310.0160.00616.47
7.2.300.0170.00716.43
7.2.290.0110.00816.43
7.2.60.0030.01316.95
7.2.50.0060.00617.03
7.1.200.0030.01015.64
7.1.70.0000.00817.04
7.1.60.0170.00719.82
7.1.50.0040.01216.89
7.1.00.0030.07722.31
7.0.200.0080.00616.69
7.0.140.0030.07322.12
7.0.60.0000.06020.04
7.0.50.0000.05717.91
7.0.40.0130.03720.00
7.0.30.0370.05320.16
7.0.20.0370.08020.20
7.0.10.0300.07720.01
7.0.00.0100.07720.11
5.6.280.0100.06721.11
5.6.210.0030.07020.52
5.6.200.0070.06318.21
5.6.190.0030.08020.32
5.6.180.0070.08020.46
5.6.170.0430.06320.44
5.6.160.0130.04320.48
5.6.150.0030.08318.12
5.6.140.0100.04318.07
5.6.130.0030.08718.11
5.6.120.0030.06320.96
5.6.110.0200.07020.92
5.6.100.0230.06320.98
5.6.90.0070.08020.97
5.6.80.0070.07720.38
5.6.70.0270.08020.39
5.5.350.0070.08020.29
5.5.340.0170.06317.89
5.5.330.0100.08020.13
5.5.320.0270.06720.34
5.5.310.0200.08020.23
5.5.300.0000.06318.02
5.5.290.0030.08717.98
5.5.280.0030.08020.97
5.5.270.0000.04320.63
5.5.260.0030.07020.79
5.5.250.0070.03720.79
5.5.240.0030.06020.21
5.4.450.0900.07319.59
5.4.440.1000.06719.32
5.4.430.0000.06319.50
5.4.420.0070.06719.30
5.4.410.0130.05018.72
5.4.400.1200.04318.78
5.4.390.0830.06018.46
5.4.380.0070.06318.72
5.4.370.0130.05018.68
5.4.360.0100.04718.52
5.4.350.0050.03611.97
5.4.340.0110.03311.96
5.4.320.0090.04112.45
5.4.310.0080.04312.45
5.4.300.0060.04012.45
5.4.290.0050.04012.45
5.4.280.0090.03912.34
5.4.270.0060.03712.35
5.4.260.0120.03812.35
5.4.250.0070.04712.34
5.4.240.0050.04212.34
5.4.230.0040.03812.34
5.4.220.0080.03912.34
5.4.210.0040.03612.34
5.4.200.0050.03812.34
5.4.190.0160.04512.34
5.4.180.0180.04112.34
5.4.170.0190.04012.36
5.4.160.0160.04412.34
5.4.150.0220.05312.34
5.4.140.0140.04712.02
5.4.130.0170.04312.01
5.4.120.0120.04611.97
5.4.110.0150.04611.96
5.4.100.0140.04811.97
5.4.90.0230.03911.97
5.4.80.0150.04411.96
5.4.70.0160.04211.96
5.4.60.0140.04411.96
5.4.50.0210.03611.96
5.4.40.0100.04911.95
5.4.30.0180.04211.95
5.4.20.0110.04711.95
5.4.10.0160.04111.95
5.4.00.0160.03911.44
5.3.290.0050.04212.80
5.3.280.0090.03812.71
5.3.270.0180.04512.73
5.3.260.0180.04412.72
5.3.250.0210.04012.72
5.3.240.0210.04012.72
5.3.230.0100.05212.70
5.3.220.0130.04812.68
5.3.210.0170.04512.68
5.3.200.0150.04812.68
5.3.190.0110.05112.68
5.3.180.0170.04312.67
5.3.170.0220.04112.67
5.3.160.0150.04512.67
5.3.150.0190.04412.68
5.3.140.0140.05012.66
5.3.130.0190.04512.66
5.3.120.0230.04612.66
5.3.110.0210.04612.66
5.3.100.0180.04612.12
5.3.90.0140.04712.09
5.3.80.0140.05012.08
5.3.70.0200.04612.08
5.3.60.0180.04612.06
5.3.50.0190.04012.00
5.3.40.0180.04312.00
5.3.30.0140.04411.96
5.3.20.0190.04211.74
5.3.10.0130.04511.70
5.3.00.0150.04311.68
5.2.170.0130.0389.19
5.2.160.0090.0409.18
5.2.150.0150.0339.18
5.2.140.0160.0329.18
5.2.130.0160.0349.14
5.2.120.0150.0369.16
5.2.110.0140.0379.15
5.2.100.0150.0329.15
5.2.90.0140.0329.15
5.2.80.0140.0379.14
5.2.70.0130.0379.14
5.2.60.0130.0389.09
5.2.50.0160.0449.06
5.2.40.0110.0409.04
5.2.30.0080.0409.02
5.2.20.0130.0359.01
5.2.10.0160.0328.95
5.2.00.0090.0378.81
5.1.60.0120.0288.09
5.1.50.0120.0308.09
5.1.40.0130.0288.08
5.1.30.0160.0288.42
5.1.20.0140.0338.45
5.1.10.0120.0358.17
5.1.00.0130.0348.17
5.0.50.0090.0296.65
5.0.40.0110.0236.50
5.0.30.0110.0376.32
5.0.20.0090.0266.30
5.0.10.0100.0226.27
5.0.00.0110.0366.26
4.4.90.0080.0184.77
4.4.80.0100.0184.75
4.4.70.0050.0234.76
4.4.60.0080.0194.75
4.4.50.0040.0224.77
4.4.40.0040.0334.70
4.4.30.0060.0224.76
4.4.20.0080.0184.85
4.4.10.0080.0194.85
4.4.00.0080.0304.76
4.3.110.0100.0184.67
4.3.100.0110.0154.67
4.3.90.0090.0174.63
4.3.80.0050.0344.58
4.3.70.0060.0194.63
4.3.60.0080.0204.63
4.3.50.0110.0164.63
4.3.40.0080.0294.54
4.3.30.0130.0433.31
4.3.20.0080.0163.30
4.3.10.0030.0223.27
4.3.00.0130.0237.27

preferences:
47.34 ms | 400 KiB | 5 Q