3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { private $something = 1; } class B extends A { function echo() { echo $this->something; } } $b = new B; $b->echo();

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)
8.3.60.0150.00416.50
8.3.50.0110.00322.02
8.3.40.0150.00018.76
8.3.30.0080.00818.96
8.3.20.0000.00720.16
8.3.10.0030.00523.48
8.3.00.0000.00820.95
8.2.180.0130.00916.50
8.2.170.0040.01122.96
8.2.160.0070.00720.26
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0110.00426.16
8.2.120.0050.00519.38
8.2.110.0060.00321.98
8.2.100.0080.00417.91
8.2.90.0100.00019.28
8.2.80.0040.00417.97
8.2.70.0050.00517.75
8.2.60.0030.00617.89
8.2.50.0090.00618.07
8.2.40.0000.00819.93
8.2.30.0000.00718.25
8.2.20.0040.00417.73
8.2.10.0050.00317.93
8.2.00.0040.00417.50
8.1.280.0070.00725.92
8.1.270.0000.00822.00
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0030.00623.96
8.1.230.0110.00019.09
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0040.00417.22
8.1.190.0000.00817.10
8.1.180.0050.00318.10
8.1.170.0090.00018.43
8.1.160.0000.00721.84
8.1.150.0040.00418.57
8.1.140.0060.00317.32
8.1.130.0000.00717.78
8.1.120.0110.00017.29
8.1.110.0040.00417.33
8.1.100.0080.00017.35
8.1.90.0000.00817.30
8.1.80.0030.00517.42
8.1.70.0080.00017.31
8.1.60.0000.00817.44
8.1.50.0040.00417.53
8.1.40.0030.00617.41
8.1.30.0030.00617.53
8.1.20.0040.00417.68
8.1.10.0040.00417.55
8.1.00.0000.00717.41
8.0.300.0000.00718.77
8.0.290.0070.00016.88
8.0.280.0040.00418.37
8.0.270.0050.00217.15
8.0.260.0030.00317.18
8.0.250.0000.00717.01
8.0.240.0090.00016.95
8.0.230.0070.00016.80
8.0.220.0080.00016.77
8.0.210.0040.00416.93
8.0.200.0050.00216.91
8.0.190.0070.00016.89
8.0.180.0000.00816.82
8.0.170.0040.00416.91
8.0.160.0040.00416.91
8.0.150.0050.00316.74
8.0.140.0070.00016.83
8.0.130.0000.00513.24
8.0.120.0040.00416.68
8.0.110.0050.00216.78
8.0.100.0000.00716.84
8.0.90.0040.00416.83
8.0.80.0070.01116.82
8.0.70.0000.00816.89
8.0.60.0040.00416.75
8.0.50.0040.00416.67
8.0.30.0100.01117.06
8.0.20.0080.01617.40
8.0.10.0030.00316.89
8.0.00.0130.00816.69
7.4.330.0000.00515.03
7.4.320.0000.00616.33
7.4.300.0070.00016.50
7.4.290.0000.00716.51
7.4.280.0070.00016.54
7.4.270.0000.00716.51
7.4.260.0000.00716.38
7.4.250.0000.00816.45
7.4.240.0040.00416.58
7.4.230.0020.00516.47
7.4.220.0130.01016.45
7.4.210.0070.00716.50
7.4.200.0000.00716.58
7.4.160.0100.00616.68
7.4.150.0120.00617.40
7.4.140.0110.00717.86
7.4.130.0140.00716.35
7.4.120.0130.00416.53
7.4.110.0140.00716.48
7.4.100.0070.01616.44
7.4.90.0140.00716.33
7.4.80.0150.00619.39
7.4.70.0140.00316.57
7.4.60.0060.01216.64
7.4.50.0000.00916.52
7.4.40.0030.01316.54
7.4.30.0150.00316.43
7.4.00.0140.00314.88
7.3.330.0000.00713.25
7.3.320.0030.00313.25
7.3.310.0000.00716.18
7.3.300.0030.00316.16
7.3.290.0100.00316.32
7.3.280.0090.00816.31
7.3.270.0120.00617.40
7.3.260.0150.00716.41
7.3.250.0100.00816.36
7.3.240.0140.00516.25
7.3.230.0030.01316.39
7.3.210.0140.00416.58
7.3.200.0140.01019.39
7.3.190.0100.00716.58
7.3.180.0060.00916.38
7.3.170.0110.00516.30
7.3.160.0120.00816.38
7.3.120.0120.00614.52
7.2.330.0070.01816.76
7.2.320.0150.00316.58
7.2.310.0080.00816.72
7.2.300.0090.00616.36
7.2.290.0090.00916.62
7.2.60.0030.01016.78
7.2.00.0060.00919.10
7.1.200.0030.00915.84
7.1.100.0040.00817.61
7.1.70.0030.00316.93
7.1.60.0110.01519.70
7.1.50.0100.01316.70
7.1.00.0100.08322.56
7.0.200.0040.00416.71
7.0.140.0000.07722.07
7.0.60.0070.08019.86
7.0.50.0000.04317.95
7.0.40.0070.04020.24
7.0.30.0630.06020.13
7.0.20.0330.07020.09
7.0.10.0000.05720.15
7.0.00.0030.08020.14
5.6.280.0070.06720.96
5.6.210.0130.05020.46
5.6.200.0070.08018.19
5.6.190.0030.05020.48
5.6.180.0030.08020.55
5.6.170.0130.04720.57
5.6.160.0130.06720.50
5.6.150.0070.03718.18
5.6.140.0100.03718.28
5.6.130.0170.07018.17
5.6.120.0070.08720.97
5.6.110.0100.03320.98
5.6.100.0100.08021.00
5.6.90.0100.08021.01
5.6.80.0200.06720.37
5.5.350.0030.07020.40
5.5.340.0130.07317.99
5.5.330.0100.08320.57
5.5.320.0370.07720.25
5.5.310.0200.05320.32
5.5.300.0030.04017.98
5.5.290.0030.04018.03
5.5.280.0070.05320.89
5.5.270.0070.04320.96
5.5.260.0130.08020.68
5.5.250.0130.05720.57
5.5.240.0130.05020.06
5.4.450.0800.05319.20
5.4.440.0830.05719.58
5.4.430.0970.05019.30
5.4.420.0630.00019.40
5.4.410.0130.05319.02
5.4.400.0300.05718.85
5.4.390.0130.05718.62
5.4.380.0270.05318.56
5.4.370.0130.04718.55
5.4.360.0170.04318.56
5.4.350.0060.04912.03
5.4.340.0080.03612.03
5.4.320.0050.03612.52
5.4.310.0060.05312.51
5.4.300.0060.05312.52
5.4.290.0090.04912.51
5.4.280.0070.05112.41
5.4.270.0110.04912.40
5.4.260.0100.05012.41
5.4.250.0100.04212.41
5.4.240.0050.04312.40
5.4.230.0050.04412.40
5.4.220.0100.04112.39
5.4.210.0070.04212.40
5.4.200.0110.04312.40
5.4.190.0080.04112.39
5.4.180.0100.04212.39
5.4.170.0060.04412.40
5.4.160.0090.03912.40
5.4.150.0100.04112.39
5.4.140.0110.04912.09
5.4.130.0070.05512.06
5.4.120.0090.05012.03
5.4.110.0140.04912.02
5.4.100.0140.05412.02
5.4.90.0100.05012.02
5.4.80.0080.04012.02
5.4.70.0080.04812.02
5.4.60.0120.05912.02
5.4.50.0090.04812.02
5.4.40.0090.03912.01
5.4.30.0050.04112.00
5.4.20.0090.03712.00
5.4.10.0040.03912.01
5.4.00.0070.03811.50
5.3.290.0150.04512.80
5.3.280.0060.04212.71
5.3.270.0080.04212.72
5.3.260.0080.04912.72
5.3.250.0080.03912.72
5.3.240.0140.03812.72
5.3.230.0100.05012.71
5.3.220.0110.04912.68
5.3.210.0080.04412.68
5.3.200.0110.04112.68
5.3.190.0090.04112.68
5.3.180.0070.05212.67
5.3.170.0130.04312.67
5.3.160.0110.05512.67
5.3.150.0090.04512.68
5.3.140.0120.05612.66
5.3.130.0090.05512.66
5.3.120.0190.06212.66
5.3.110.0130.05512.66
5.3.100.0190.07112.12
5.3.90.0100.05312.10
5.3.80.0080.04312.09
5.3.70.0080.03912.09
5.3.60.0070.05012.07
5.3.50.0070.04912.02
5.3.40.0100.04612.02
5.3.30.0090.04411.98
5.3.20.0080.04611.76
5.3.10.0100.04711.73
5.3.00.0080.04911.71
5.2.170.0100.0379.21
5.2.160.0070.0369.21
5.2.150.0080.0379.22
5.2.140.0060.0339.21
5.2.130.0070.0359.18
5.2.120.0030.0389.18
5.2.110.0070.0399.18
5.2.100.0090.0369.18
5.2.90.0100.0359.17
5.2.80.0090.0389.17
5.2.70.0080.0399.17
5.2.60.0100.0379.12
5.2.50.0110.0389.09
5.2.40.0060.0419.07
5.2.30.0100.0369.05
5.2.20.0070.0389.03
5.2.10.0090.0378.94
5.2.00.0080.0398.80
5.1.60.0100.0298.09
5.1.50.0090.0308.08
5.1.40.0040.0368.06
5.1.30.0080.0358.41
5.1.20.0110.0358.44
5.1.10.0110.0298.16
5.1.00.0090.0318.16
5.0.50.0060.0286.64
5.0.40.0050.0266.50
5.0.30.0050.0406.31
5.0.20.0030.0296.27
5.0.10.0040.0266.26
5.0.00.0030.0376.25
4.4.90.0030.0204.78
4.4.80.0040.0214.75
4.4.70.0050.0194.76
4.4.60.0060.0184.75
4.4.50.0100.0144.77
4.4.40.0040.0314.71
4.4.30.0020.0224.76
4.4.20.0050.0204.84
4.4.10.0080.0164.85
4.4.00.0060.0284.76
4.3.110.0040.0204.67
4.3.100.0070.0164.67
4.3.90.0040.0204.63
4.3.80.0030.0304.58
4.3.70.0030.0194.63
4.3.60.0040.0194.63
4.3.50.0030.0204.63
4.3.40.0010.0324.54
4.3.30.0060.0183.29
4.3.20.0050.0193.26
4.3.10.0040.0183.22
4.3.00.0130.0276.61

preferences:
40.27 ms | 401 KiB | 5 Q