3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function &foo() { } } class B extends A { public function &foo() { } } $b = new B;

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)
8.3.60.0070.00718.31
8.3.50.0100.00721.92
8.3.40.0060.00918.67
8.3.30.0100.00718.79
8.3.20.0080.00020.04
8.3.10.0040.00421.93
8.3.00.0040.00422.52
8.2.180.0090.00916.63
8.2.170.0110.00422.96
8.2.160.0070.00720.77
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00317.50
8.2.110.0030.00622.16
8.2.100.0040.00817.53
8.2.90.0040.00419.28
8.2.80.0050.00319.54
8.2.70.0000.00817.50
8.2.60.0050.00517.93
8.2.50.0080.00418.07
8.2.40.0050.00318.16
8.2.30.0040.00417.86
8.2.20.0040.00417.47
8.2.10.0040.00417.48
8.2.00.0040.00417.66
8.1.280.0070.00725.92
8.1.270.0080.00022.05
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00023.88
8.1.230.0000.01119.07
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0080.00017.36
8.1.190.0040.00417.41
8.1.180.0080.00018.10
8.1.170.0060.00318.66
8.1.160.0020.00521.93
8.1.150.0000.00718.48
8.1.140.0070.00017.39
8.1.130.0040.00417.77
8.1.120.0000.00817.40
8.1.110.0040.00417.42
8.1.100.0030.00317.38
8.1.90.0040.00417.38
8.1.80.0000.00817.38
8.1.70.0030.00317.37
8.1.60.0060.00317.39
8.1.50.0050.00317.35
8.1.40.0070.00017.34
8.1.30.0000.00717.44
8.1.20.0000.00917.57
8.1.10.0080.00017.34
8.1.00.0040.00417.32
8.0.300.0040.00418.77
8.0.290.0030.00617.04
8.0.280.0030.00318.32
8.0.270.0030.00317.18
8.0.260.0070.00018.53
8.0.250.0030.00316.86
8.0.240.0070.00016.76
8.0.230.0030.00316.75
8.0.220.0000.00716.75
8.0.210.0030.00316.78
8.0.200.0000.00616.77
8.0.190.0020.00516.88
8.0.180.0070.00016.74
8.0.170.0000.00816.75
8.0.160.0040.00416.81
8.0.150.0040.00416.66
8.0.140.0040.00416.78
8.0.130.0060.00013.24
8.0.120.0080.00016.80
8.0.110.0040.00416.84
8.0.100.0000.00816.84
8.0.90.0040.00416.66
8.0.80.0070.00816.84
8.0.70.0040.00416.87
8.0.60.0040.00416.69
8.0.50.0040.00416.82
8.0.30.0060.01417.06
8.0.20.0090.00917.40
8.0.10.0050.00316.93
8.0.00.0080.01216.77
7.4.330.0000.00615.00
7.4.320.0000.00716.44
7.4.300.0060.00016.44
7.4.290.0030.00316.43
7.4.280.0100.00016.52
7.4.270.0000.00616.54
7.4.260.0000.00716.34
7.4.250.0030.00616.48
7.4.240.0040.00416.46
7.4.230.0030.00316.41
7.4.220.0060.00916.40
7.4.210.0090.00516.43
7.4.200.0030.00316.34
7.4.190.0040.00416.47
7.4.160.0030.01216.43
7.4.150.0090.00917.40
7.4.140.0140.00417.86
7.4.130.0100.01016.43
7.4.120.0160.00316.37
7.4.110.0070.01016.46
7.4.100.0090.00816.65
7.4.90.0070.01016.43
7.4.80.0000.01719.39
7.4.70.0140.00316.49
7.4.60.0000.01716.29
7.4.50.0030.00315.96
7.4.40.0040.01422.77
7.4.30.0100.00616.41
7.4.00.0070.00414.70
7.3.330.0000.00513.17
7.3.320.0020.00213.04
7.3.310.0050.00216.17
7.3.300.0000.00616.16
7.3.290.0000.01416.13
7.3.280.0060.01016.17
7.3.270.0080.00817.40
7.3.260.0170.00016.11
7.3.250.0140.00616.12
7.3.240.0110.00716.15
7.3.230.0150.00316.39
7.3.210.0090.00816.37
7.3.200.0060.00919.39
7.3.190.0170.00616.41
7.3.180.0080.00816.47
7.3.170.0140.00316.27
7.3.160.0100.00716.41
7.3.120.0090.00614.64
7.3.10.0040.00715.91
7.3.00.0000.01116.39
7.2.330.0140.00316.69
7.2.320.0060.01216.48
7.2.310.0030.01316.61
7.2.300.0130.00416.61
7.2.290.0120.01216.43
7.2.130.0060.00916.37
7.2.120.0050.01016.68
7.2.110.0130.00616.65
7.2.100.0180.00716.71
7.2.90.0110.00815.97
7.2.80.0100.00316.42
7.2.70.0000.01216.46
7.2.60.0030.01016.32
7.2.50.0070.00716.14
7.2.40.0030.00916.42
7.2.30.0040.00716.19
7.2.20.0000.01016.61
7.2.10.0040.00816.49
7.2.00.0060.00316.78
7.1.250.0070.00715.06
7.1.70.0000.00716.78
7.1.60.0200.00019.82
7.1.50.0140.01016.82
7.1.00.0030.07322.27
7.0.200.0060.00616.62
7.0.140.0000.07022.10
7.0.60.0130.08019.91
7.0.50.0070.09317.86
7.0.40.0100.03720.23
7.0.30.0200.05020.09
7.0.20.0330.06320.06
7.0.10.0330.07020.30
7.0.00.0030.06720.06
5.6.280.0030.07321.13
5.6.210.0030.05720.76
5.6.200.0000.04718.19
5.6.190.0130.05020.39
5.6.180.0230.07020.39
5.6.170.0330.07320.55
5.6.160.0070.05320.71
5.6.150.0100.07018.18
5.6.140.0070.08318.15
5.6.130.0070.07718.18
5.6.120.0070.04021.12
5.6.110.0100.08020.99
5.6.100.0130.08020.98
5.6.90.0100.05720.96
5.6.80.0070.07720.38
5.6.70.0230.07720.38
5.5.350.0230.03020.41
5.5.340.0070.08018.07
5.5.330.0070.05320.30
5.5.320.0070.07320.30
5.5.310.0100.04320.34
5.5.300.0100.03718.07
5.5.290.0030.06717.95
5.5.280.0000.05020.98
5.5.270.0030.07020.84
5.5.260.0100.06320.98
5.5.250.0100.08020.69
5.5.240.0170.07320.04
5.4.450.0230.04719.45
5.4.440.0000.07719.61
5.4.430.0970.05319.43
5.4.420.0470.05019.63
5.4.410.0830.04719.18
5.4.400.0330.07018.76
5.4.390.1070.05018.50
5.4.380.0330.04318.63
5.4.370.0100.04318.57
5.4.360.0100.03318.75
5.4.350.0040.03612.02
5.4.340.0040.03912.02
5.4.320.0080.04012.50
5.4.310.0070.03712.50
5.4.300.0100.04312.50
5.4.290.0040.04712.50
5.4.280.0060.04012.39
5.4.270.0100.05719.06
5.4.260.0230.05318.98
5.4.250.0070.07718.99
5.4.240.0130.06319.01
5.4.230.0030.06719.06
5.4.220.0030.07019.10
5.4.210.0130.05018.95
5.4.200.0130.05718.98
5.4.190.0170.05319.22
5.4.180.0200.06018.93
5.4.170.0130.04718.90
5.4.160.0130.06318.92
5.4.150.0070.07719.12
5.4.140.0030.07316.67
5.4.130.0200.05716.44
5.4.120.0170.06016.39
5.4.110.0030.06016.49
5.4.100.0030.06016.56
5.4.90.0130.06316.70
5.4.80.0200.05716.54
5.4.70.0130.05016.46
5.4.60.0170.06316.66
5.4.50.0070.06716.46
5.4.40.0130.07316.55
5.4.30.0030.07016.61
5.4.20.0030.07016.65
5.4.10.0200.06716.66
5.4.00.0100.06715.88
5.3.290.0090.04112.80
5.3.280.0130.06014.87
5.3.270.0170.06314.80
5.3.260.0170.06714.78
5.3.250.0100.06714.80
5.3.240.0070.06014.89
5.3.230.0070.05314.72
5.3.220.0030.06314.87
5.3.210.0030.06314.85
5.3.200.0100.06314.63
5.3.190.0100.05014.62
5.3.180.0200.06014.83
5.3.170.0070.07314.74
5.3.160.0100.05314.44
5.3.150.0130.06714.84
5.3.140.0130.05014.68
5.3.130.0100.06714.82
5.3.120.0070.07014.82
5.3.110.0130.06714.67
5.3.100.0070.04714.15
5.3.90.0170.04714.32
5.3.80.0070.06314.06
5.3.70.0200.04314.08
5.3.60.0200.05714.05
5.3.50.0070.07014.21
5.3.40.0100.06014.26
5.3.30.0030.07714.21
5.3.20.0100.04713.81
5.3.10.0100.05013.87
5.3.00.0100.05013.64
5.2.170.0030.04711.20
5.2.160.0030.05311.38
5.2.150.0030.04311.35
5.2.140.0030.05311.43
5.2.130.0030.05311.30
5.2.120.0100.05011.22
5.2.110.0130.04011.28
5.2.100.0070.04011.21
5.2.90.0130.04311.27
5.2.80.0030.06011.37
5.2.70.0030.04311.39
5.2.60.0070.05711.25
5.2.50.0170.04311.21
5.2.40.0000.06011.18
5.2.30.0130.04310.99
5.2.20.0070.05011.08
5.2.10.0070.04711.13
5.2.00.0070.04310.89
5.1.60.0030.04310.09
5.1.50.0070.04310.18
5.1.40.0130.0479.86
5.1.30.0000.04010.53
5.1.20.0200.03710.63
5.1.10.0030.04010.29
5.1.00.0070.04310.16
5.0.50.0100.0308.84
5.0.40.0000.0438.63
5.0.30.0070.0538.52
5.0.20.0100.0278.45
5.0.10.0130.0238.46
5.0.00.0170.0478.14
4.4.90.0000.0306.76
4.4.80.0070.0276.76
4.4.70.0030.0276.76
4.4.60.0070.0276.76
4.4.50.0030.0236.76
4.4.40.0070.0306.76
4.4.30.0030.0236.76
4.4.20.0130.0236.76
4.4.10.0070.0236.76
4.4.00.0000.0436.76
4.3.110.0070.0236.76
4.3.100.0200.0176.76
4.3.90.0030.0276.76
4.3.80.0100.0376.76
4.3.70.0000.0276.76
4.3.60.0070.0236.76
4.3.50.0070.0236.76
4.3.40.0000.0376.76
4.3.30.0100.0176.76
4.3.20.0030.0206.76
4.3.10.0000.0336.76
4.3.00.0230.0206.78

preferences:
42.53 ms | 401 KiB | 5 Q