3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public function a() { return $this; } public function b() { return [42 => 42]; } } (new Test)->a()->a();

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)
8.3.40.0120.00918.54
8.3.30.0110.00318.54
8.3.20.0070.00720.29
8.3.10.0040.00420.77
8.3.00.0030.00520.81
8.2.170.0090.00622.96
8.2.160.0070.01319.29
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00419.64
8.2.120.0050.00226.35
8.2.110.0000.00822.09
8.2.100.0080.00417.59
8.2.90.0000.00819.09
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0060.00317.65
8.2.50.0030.00618.10
8.2.40.0040.00422.18
8.2.30.0040.00419.20
8.2.20.0040.00417.81
8.2.10.0050.00218.04
8.2.00.0050.00217.94
8.1.270.0070.01322.20
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00622.03
8.1.230.0040.00819.09
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0050.00517.11
8.1.190.0030.00517.10
8.1.180.0030.00618.10
8.1.170.0050.00318.51
8.1.160.0030.00319.01
8.1.150.0020.00518.75
8.1.140.0060.00319.30
8.1.130.0000.00718.77
8.1.120.0050.00317.26
8.1.110.0070.00017.33
8.1.100.0000.00817.35
8.1.90.0040.00417.33
8.1.80.0000.00717.28
8.1.70.0040.00417.18
8.1.60.0030.00517.42
8.1.50.0000.00817.44
8.1.40.0080.00017.32
8.1.30.0080.00017.55
8.1.20.0040.00417.59
8.1.10.0040.00417.33
8.1.00.0000.00817.40
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0040.00418.38
8.0.270.0000.00817.15
8.0.260.0050.00220.86
8.0.250.0040.00416.86
8.0.240.0030.00316.86
8.0.230.0000.00716.86
8.0.220.0030.00316.77
8.0.210.0030.00316.80
8.0.200.0000.00716.85
8.0.190.0040.00416.71
8.0.180.0040.00416.79
8.0.170.0040.00416.82
8.0.160.0040.00416.73
8.0.150.0000.00716.72
8.0.140.0000.00816.79
8.0.130.0050.00013.17
8.0.120.0000.00716.65
8.0.110.0000.00716.63
8.0.100.0070.00016.72
8.0.90.0070.00016.60
8.0.80.0030.01316.84
8.0.70.0000.00816.66
8.0.60.0080.00016.80
8.0.50.0000.00816.64
8.0.30.0110.00716.82
8.0.20.0110.00917.40
8.0.10.0000.00816.75
8.0.00.0140.00316.41
7.4.330.0000.00515.55
7.4.320.0000.00616.48
7.4.300.0000.00616.44
7.4.290.0000.00716.45
7.4.280.0040.00416.47
7.4.270.0070.00016.55
7.4.260.0070.00016.42
7.4.250.0000.00816.41
7.4.240.0040.00416.55
7.4.230.0040.00416.28
7.4.220.0100.01016.43
7.4.210.0060.00916.40
7.4.200.0050.00216.24
7.4.160.0100.01016.36
7.4.150.0000.01917.40
7.4.140.0140.00617.86
7.4.130.0070.01316.52
7.4.120.0100.01116.40
7.4.110.0000.01516.44
7.4.100.0100.01316.34
7.4.90.0080.00816.45
7.4.80.0150.00319.39
7.4.70.0110.01116.49
7.4.60.0090.00916.41
7.4.50.0000.01616.38
7.4.40.0120.00416.51
7.4.30.0070.01316.49
7.4.00.0060.00914.99
7.3.330.0050.00013.16
7.3.320.0000.00513.11
7.3.310.0040.00416.30
7.3.300.0030.00316.10
7.3.290.0070.00716.22
7.3.280.0110.00616.24
7.3.270.0060.01217.40
7.3.260.0080.01116.21
7.3.250.0100.00916.40
7.3.240.0080.00916.34
7.3.230.0040.01416.26
7.3.210.0130.00916.43
7.3.200.0100.00716.37
7.3.190.0030.01316.30
7.3.180.0130.00916.53
7.3.170.0100.01016.17
7.3.160.0100.00616.28
7.2.330.0140.00316.48
7.2.320.0070.01016.59
7.2.310.0130.00316.55
7.2.300.0130.00616.56
7.2.290.0120.00616.24
7.2.60.0100.00316.88
7.2.50.0080.01116.47
7.1.200.0040.00815.41
7.1.70.1520.01315.18
7.1.60.2060.01532.99
7.1.50.1570.00932.73
7.1.40.1700.01032.63
7.1.30.1500.01432.42
7.1.20.1850.01832.63
7.1.10.1580.01514.74
7.1.00.1780.01214.74
7.0.200.1610.01414.86
7.0.190.1500.00714.68
7.0.180.1450.01214.29
7.0.170.1640.01114.48
7.0.160.1490.00514.31
7.0.150.1620.00814.29
7.0.140.2020.00714.34
7.0.130.1690.01014.56
7.0.120.2060.01514.63
7.0.110.1420.00814.44
7.0.100.1350.01014.38
7.0.90.1260.01014.37
7.0.80.1660.01014.42
7.0.70.1220.01014.35
7.0.60.2050.01114.15
7.0.50.1020.00914.36
7.0.40.1770.01214.52
7.0.30.1450.01214.61
7.0.20.1710.01014.42
7.0.10.1700.00814.44
7.0.00.1230.01214.43
5.6.300.0190.06220.70
5.6.290.0150.06120.74
5.6.280.0190.06920.93
5.6.270.0130.08220.85
5.6.260.0130.07220.79
5.6.250.0150.06920.93
5.6.240.0170.06620.93
5.6.230.0160.07621.00
5.6.220.0200.06220.77
5.6.210.0160.08520.91
5.6.200.0170.08420.83
5.6.190.0190.07020.89
5.6.180.0170.06420.93
5.6.170.0120.07420.94
5.6.160.0150.06120.94
5.6.150.0130.06820.86
5.6.140.0210.07320.90
5.6.130.0160.05620.83
5.6.120.0190.06820.85
5.6.110.0160.06520.86
5.6.100.0200.06920.85
5.6.90.0330.06020.78
5.6.80.0170.06820.18
5.6.70.0180.06920.17
5.6.60.0140.08220.17
5.6.50.0210.07320.21
5.6.40.0210.06420.25
5.6.30.0180.05720.27
5.6.20.0190.06520.21
5.6.10.0120.07620.21
5.6.00.0160.06720.28
5.5.380.0280.08617.41
5.5.370.0200.07717.41
5.5.360.0100.06417.43
5.5.350.0200.07917.46
5.5.340.0110.08817.75
5.5.330.0240.04718.03
5.5.320.0190.05418.00
5.5.310.0260.07418.10
5.5.300.0070.08718.03
5.5.290.0160.08717.71
5.5.280.0140.08318.06
5.5.270.0240.05418.02
5.5.260.0230.07618.02
5.5.250.0390.06417.92
5.5.240.0160.07917.44
5.5.230.0100.08817.31
5.5.220.0130.08217.37
5.5.210.0150.07917.40
5.5.200.0230.04917.09
5.5.190.0290.06817.37
5.5.180.0120.06917.40
5.5.160.0180.07817.38
5.5.150.0280.05417.43
5.5.140.0240.06917.14
5.5.130.0280.06117.09
5.5.120.0150.07517.09
5.5.110.0090.07717.14
5.5.100.0060.07417.15
5.5.90.0240.06417.22
5.5.80.0190.05717.19
5.5.70.0160.05317.27
5.5.60.0110.07917.38
5.5.50.0190.05017.30
5.5.40.0130.04917.27
5.5.30.0190.04517.27
5.5.20.0230.05316.98
5.5.10.0170.05817.04
5.5.00.0260.06317.27
5.4.450.0260.07319.34
5.4.440.0240.07619.33
5.4.430.0100.05819.15
5.4.420.0250.07019.34
5.4.410.0230.07019.23
5.4.400.0190.07219.04
5.4.390.0140.07519.07
5.4.380.0140.08519.15
5.4.370.0030.07218.87
5.4.360.0130.06819.14
5.4.350.0290.05018.96
5.4.340.0100.07119.00
5.4.320.0070.08919.23
5.4.310.0170.06719.10
5.4.300.0140.07819.07
5.4.290.0310.05919.15
5.4.280.0230.06918.92
5.4.270.0030.06919.14
5.4.260.0170.06719.15
5.4.250.0120.06319.14
5.4.240.0170.05019.00
5.4.230.0220.05319.14
5.4.220.0100.05818.99
5.4.210.0110.05619.07
5.4.200.0170.04919.00
5.4.190.0190.04818.98
5.4.180.0060.06218.91
5.4.170.0200.07018.95
5.4.160.0260.05918.98
5.4.150.0210.07018.96
5.4.140.0130.06016.68
5.4.130.0100.05516.60
5.4.120.0280.04116.61
5.4.110.0230.04616.48
5.4.100.0150.06916.74
5.4.90.0120.05016.67
5.4.80.0100.04916.56
5.4.70.0160.07416.41
5.4.60.0190.04916.67
5.4.50.0270.03716.39
5.4.40.0140.05916.74
5.4.30.0140.07616.39
5.4.20.0140.05016.62
5.4.10.0130.06716.62
5.4.00.0200.05916.01
5.3.290.0130.08114.73
5.3.280.0230.06314.59
5.3.270.0160.05814.70
5.3.260.0270.05814.66
5.3.250.0160.07214.81
5.3.240.0110.05414.66
5.3.230.0180.05214.77
5.3.220.0150.07514.86
5.3.210.0150.06914.75
5.3.200.0140.05314.88
5.3.190.0200.04914.62
5.3.180.0240.05414.88
5.3.170.0130.05814.83
5.3.160.0140.04914.63
5.3.150.0240.04314.75
5.3.140.0200.07514.86
5.3.130.0130.05614.77
5.3.120.0160.04814.85
5.3.110.0210.04814.61
5.3.100.0090.05314.31
5.3.90.0170.04214.28
5.3.80.0130.05014.07
5.3.70.0130.05114.32
5.3.60.0190.04913.90
5.3.50.0200.04414.01
5.3.40.0170.05114.16
5.3.30.0130.04513.96
5.3.20.0130.06713.76
5.3.10.0180.06913.91
5.3.00.0160.06013.84
5.2.170.0100.06511.34
5.2.160.0130.06011.36
5.2.150.0030.04911.36
5.2.140.0120.05211.43
5.2.130.0120.06211.15
5.2.120.0090.06011.30
5.2.110.0100.05311.22
5.2.100.0070.06211.09
5.2.90.0170.05411.18
5.2.80.0190.05111.27
5.2.70.0100.06311.31
5.2.60.0130.04211.17
5.2.50.0060.04311.20
5.2.40.0100.03810.88
5.2.30.0100.03911.18
5.2.20.0100.05611.27
5.2.10.0090.05711.13
5.2.00.0120.05910.60
5.1.60.0130.04710.04
5.1.50.0110.0329.98
5.1.40.0150.03010.26
5.1.30.0110.03910.52
5.1.20.0130.04210.23
5.1.10.0130.03810.36
5.1.00.0180.03510.28
5.0.50.0100.0308.71
5.0.40.0170.0208.46
5.0.30.0090.0548.10
5.0.20.0060.0298.51
5.0.10.0180.0198.45
5.0.00.0060.0458.46
4.4.90.0200.0206.34
4.4.80.0060.0226.34
4.4.70.0070.0306.34
4.4.60.0060.0326.34
4.4.50.0070.0356.34
4.4.40.0070.0436.34
4.4.30.0030.0286.34
4.4.20.0060.0276.34
4.4.10.0120.0206.34
4.4.00.0080.0426.34
4.3.110.0030.0336.34
4.3.100.0040.0266.34
4.3.90.0100.0196.34
4.3.80.0030.0366.34
4.3.70.0070.0206.34
4.3.60.0090.0196.34
4.3.50.0090.0246.34
4.3.40.0070.0396.34
4.3.30.0000.0276.34
4.3.20.0080.0196.34
4.3.10.0000.0296.34
4.3.00.0060.0226.34

preferences:
53.93 ms | 400 KiB | 5 Q