3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name = 'this'; var_dump(array(&$$name));

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)
8.3.60.0110.00418.18
8.3.50.0120.00522.03
8.3.40.0090.00618.51
8.3.30.0140.00020.17
8.3.20.0040.00420.22
8.3.10.0040.00422.14
8.3.00.0030.00522.39
8.2.180.0100.01025.92
8.2.170.0100.01022.96
8.2.160.0140.00022.25
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00420.76
8.2.110.0000.00922.14
8.2.100.0090.00319.64
8.2.90.0050.00219.17
8.2.80.0060.00319.16
8.2.70.0080.00017.75
8.2.60.0090.00017.93
8.2.50.0030.00518.07
8.2.40.0000.00818.16
8.2.30.0000.00818.07
8.2.20.0070.00017.71
8.2.10.0000.00717.80
8.2.00.0030.00517.87
8.1.280.0110.00725.92
8.1.270.0000.00724.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.00023.83
8.1.230.0060.00619.29
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.53
8.1.180.0030.00619.14
8.1.170.0040.00418.54
8.1.160.0000.00722.18
8.1.150.0070.00018.55
8.1.140.0070.00017.43
8.1.130.0040.00417.80
8.1.120.0040.00417.32
8.1.110.0030.00617.44
8.1.100.0040.00417.46
8.1.90.0030.00317.43
8.1.80.0040.00317.29
8.1.70.0070.00017.41
8.1.60.0100.00017.56
8.1.50.0000.00817.50
8.1.40.0070.00017.49
8.1.30.0020.00517.48
8.1.20.0000.00817.52
8.1.10.0070.00017.52
8.1.00.0000.00917.41
8.0.300.0070.00018.77
8.0.290.0040.00417.16
8.0.280.0000.00718.34
8.0.270.0000.00717.27
8.0.260.0030.00316.79
8.0.250.0060.00017.05
8.0.240.0030.00617.02
8.0.230.0070.00017.02
8.0.220.0000.00716.95
8.0.210.0030.00416.96
8.0.200.0030.00316.89
8.0.190.0070.00016.91
8.0.180.0000.00816.84
8.0.170.0000.00816.98
8.0.160.0000.00816.91
8.0.150.0070.00016.90
8.0.140.0000.00716.84
8.0.130.0040.00413.36
8.0.120.0030.00616.81
8.0.110.0050.00216.77
8.0.100.0070.00016.91
8.0.90.0000.00716.74
8.0.80.0060.00916.97
8.0.70.0000.00716.81
8.0.60.0030.00516.97
8.0.50.0040.00416.77
8.0.30.0090.00916.96
8.0.20.0120.00917.40
8.0.10.0000.00817.09
8.0.00.0130.00616.64
7.4.330.0030.00315.00
7.4.320.0030.00316.50
7.4.300.0030.00316.57
7.4.290.0030.00316.54
7.4.280.0050.00216.52
7.4.270.0030.00316.45
7.4.260.0030.00316.57
7.4.250.0080.00016.48
7.4.240.0020.00516.56
7.4.230.0070.00016.43
7.4.220.0070.01016.61
7.4.210.0100.00616.50
7.4.200.0040.00416.53
7.4.190.0000.00716.73
7.4.160.0070.01016.47
7.4.150.0070.01017.40
7.4.140.0120.00917.86
7.4.130.0060.01116.60
7.4.120.0110.00616.52
7.4.110.0160.00616.44
7.4.100.0120.01216.68
7.4.90.0040.01216.64
7.4.80.0100.00719.39
7.4.70.0120.00616.63
7.4.60.0120.00816.54
7.4.50.0090.00016.51
7.4.40.0100.00722.77
7.4.30.0070.01016.34
7.4.00.0110.00614.94
7.3.330.0000.00513.15
7.3.320.0060.00013.15
7.3.310.0000.00716.30
7.3.300.0000.00716.14
7.3.290.0080.00616.39
7.3.280.0080.01016.33
7.3.270.0090.00917.40
7.3.260.0090.01516.45
7.3.250.0100.00916.42
7.3.240.0100.00616.55
7.3.230.0100.00716.62
7.3.210.0030.01316.41
7.3.200.0160.00019.39
7.3.190.0080.00816.64
7.3.180.0130.00616.27
7.3.170.0120.00616.36
7.3.160.0080.00816.48
7.3.120.0050.00914.88
7.3.110.0070.01115.11
7.3.100.0060.00614.76
7.3.90.0070.00714.77
7.3.80.0070.00714.82
7.3.70.0030.01314.56
7.3.60.0060.01014.89
7.3.50.0170.00014.59
7.3.40.0030.01014.62
7.3.30.0040.01114.70
7.3.20.0040.00716.75
7.3.10.0000.01116.68
7.3.00.0090.00616.73
7.2.330.0070.01316.65
7.2.320.0070.01416.71
7.2.310.0100.01016.64
7.2.300.0040.01416.66
7.2.290.0130.00316.57
7.2.250.0150.00415.02
7.2.240.0000.02115.21
7.2.230.0090.00915.00
7.2.220.0110.00615.08
7.2.210.0070.00714.98
7.2.200.0000.01014.78
7.2.190.0070.01114.93
7.2.180.0110.00414.79
7.2.170.0040.01114.82
7.2.80.0040.01116.59
7.2.60.0030.00916.52
7.2.00.0030.00919.21
7.1.330.0100.00715.88
7.1.320.0070.00715.65
7.1.310.0090.00315.80
7.1.300.0120.00315.50
7.1.290.0080.00815.73
7.1.280.0060.01015.35
7.1.270.0000.01515.45
7.1.260.0060.00615.73
7.1.200.0030.01015.45
7.1.100.0080.00418.14
7.1.70.0060.00917.14
7.1.60.0060.01919.43
7.1.50.0040.01516.54
7.1.00.0030.03322.57
7.0.200.0200.00314.87
7.0.140.0000.07721.90
7.0.60.0100.03719.93
7.0.50.0130.08017.78
7.0.40.0130.08320.07
7.0.30.0400.06320.30
7.0.20.0270.08320.30
7.0.10.0100.05020.16
7.0.00.0000.09020.16
5.6.280.0070.07020.79
5.6.210.0070.05720.50
5.6.200.0000.04318.17
5.6.190.0030.07320.51
5.6.180.0300.03720.39
5.6.170.0600.06320.36
5.6.160.0070.06320.49
5.6.150.0130.06718.18
5.6.140.0070.04718.21
5.6.130.0030.04718.21
5.6.120.0000.05020.96
5.6.110.0030.08320.95
5.6.100.0070.08020.98
5.6.90.0070.08721.03
5.6.80.0100.08020.27
5.6.70.4330.04320.49
5.5.350.0130.06320.31
5.5.340.0000.04017.92
5.5.330.0030.07720.38
5.5.320.0270.04720.27
5.5.310.0200.08320.50
5.5.300.0000.04717.88
5.5.290.0130.07317.98
5.5.280.0100.08020.87
5.5.270.0000.04320.78
5.5.260.0030.04320.87
5.5.250.0100.03720.60
5.5.240.0030.08020.07
5.4.450.0730.05719.57
5.4.440.0270.05019.55
5.4.430.0300.05719.60
5.4.420.0170.05719.24
5.4.410.0200.06319.34
5.4.400.1370.06018.75
5.4.390.1000.05718.60
5.4.380.0370.06718.61
5.4.370.0100.05318.68
5.4.360.0130.05018.72
5.4.350.0100.04611.97
5.4.340.0040.03911.97
5.4.320.0030.03812.45
5.4.310.0050.03812.45
5.4.300.0060.03612.45
5.4.290.0050.04112.45
5.4.280.0070.03412.35
5.4.270.0050.03612.35
5.4.260.0200.06018.94
5.4.250.0130.07318.89
5.4.240.0070.06718.87
5.4.230.0070.05319.03
5.4.220.0100.06718.84
5.4.210.0170.06718.77
5.4.200.0000.07018.88
5.4.190.0070.05318.93
5.4.180.0070.05318.93
5.4.170.0170.06318.70
5.4.160.0100.07318.88
5.4.150.0070.06019.05
5.4.140.0000.07016.46
5.4.130.0100.06016.47
5.4.120.0070.04716.29
5.4.110.0100.06716.44
5.4.100.0070.05316.25
5.4.90.0070.06016.25
5.4.80.0100.06716.34
5.4.70.0270.05716.39
5.4.60.0070.07016.37
5.4.50.0100.06016.22
5.4.40.0170.06716.23
5.4.30.0100.04316.38
5.4.20.0130.06016.22
5.4.10.0130.06316.23
5.4.00.0070.07315.68
5.3.290.0060.03912.80
5.3.280.0100.04714.47
5.3.270.0070.08014.61
5.3.260.0130.06014.39
5.3.250.0130.05014.44
5.3.240.0070.07014.62
5.3.230.0130.05714.47
5.3.220.0030.07314.65
5.3.210.0130.05014.48
5.3.200.0130.04314.58
5.3.190.0070.05014.35
5.3.180.0100.05714.48
5.3.170.0000.07014.57
5.3.160.0100.05314.65
5.3.150.0070.05314.57
5.3.140.0070.05714.42
5.3.130.0130.06314.56
5.3.120.0030.06714.46
5.3.110.0170.05014.59
5.3.100.0070.06714.02
5.3.90.0100.04714.16
5.3.80.0100.06013.97
5.3.70.0070.05013.79
5.3.60.0100.05713.91
5.3.50.0070.05013.80
5.3.40.0030.06313.81
5.3.30.0130.05713.84
5.3.20.0100.04713.57
5.3.10.0070.06313.57
5.3.00.0030.05313.79
5.2.170.0070.06011.15
5.2.160.0100.03711.06
5.2.150.0130.04711.15
5.2.140.0100.04010.97
5.2.130.0070.03311.12
5.2.120.0000.04311.03
5.2.110.0030.04311.11
5.2.100.0070.04711.20
5.2.90.0070.03710.98
5.2.80.0070.05010.87
5.2.70.0070.04011.02
5.2.60.0000.06011.07
5.2.50.0070.05311.13
5.2.40.0130.04310.90
5.2.30.0000.05010.89
5.2.20.0030.05310.85
5.2.10.0030.05010.84
5.2.00.0070.03710.78
5.1.60.0070.03310.04
5.1.50.0100.04010.02
5.1.40.0070.0309.86
5.1.30.0070.04310.30
5.1.20.0000.03710.27
5.1.10.0070.03310.02
5.1.00.0000.0379.97
5.0.50.0000.0378.48
5.0.40.0000.0308.36
5.0.30.0070.0537.98
5.0.20.0070.0308.15
5.0.10.0070.0338.39
5.0.00.0000.0438.21
4.4.90.0030.0206.90
4.4.80.0030.0206.90
4.4.70.0030.0206.90
4.4.60.0000.0236.90
4.4.50.0030.0236.90
4.4.40.0100.0376.90
4.4.30.0130.0176.90
4.4.20.0030.0206.90
4.4.10.0000.0236.90
4.4.00.0100.0376.90
4.3.110.0000.0276.90
4.3.100.0030.0306.90
4.3.90.0000.0236.90
4.3.80.0070.0336.90
4.3.70.0030.0206.90
4.3.60.0000.0306.90
4.3.50.0030.0306.90
4.3.40.0000.0336.90
4.3.30.0000.0376.90
4.3.20.0000.0236.90
4.3.10.0000.0336.90
4.3.00.0100.0236.71

preferences:
46.84 ms | 401 KiB | 5 Q