3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test {} $o1 = new Test($a=8); var_dump($a,$o1); // why?

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)
8.3.60.0070.00718.52
8.3.50.0110.00921.14
8.3.40.0230.00018.55
8.3.30.0150.00620.15
8.3.20.0070.01020.29
8.3.10.0070.01121.92
8.3.00.0100.01022.39
8.2.180.0150.00016.38
8.2.170.0150.00022.96
8.2.160.0060.01522.08
8.2.150.0120.00624.18
8.2.140.0150.00324.66
8.2.130.0070.00026.16
8.2.120.0000.00920.80
8.2.110.0000.00922.01
8.2.100.0070.00717.78
8.2.90.0050.00319.04
8.2.80.0000.00719.39
8.2.70.0000.01017.50
8.2.60.0020.00517.80
8.2.50.0090.00018.07
8.2.40.0120.00018.03
8.2.30.0040.00419.43
8.2.20.0000.00717.59
8.2.10.0000.00717.68
8.2.00.0070.00017.78
8.1.280.0120.00925.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.84
8.1.230.0090.00319.00
8.1.220.0050.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.25
8.1.190.0030.00517.38
8.1.180.0020.01118.89
8.1.170.0040.00418.51
8.1.160.0040.00418.73
8.1.150.0030.00618.44
8.1.140.0000.00717.43
8.1.130.0070.00017.69
8.1.120.0050.00217.29
8.1.110.0000.00717.36
8.1.100.0000.00717.31
8.1.90.0000.00717.29
8.1.80.0060.00317.36
8.1.70.0000.00717.37
8.1.60.0060.00317.54
8.1.50.0040.00417.49
8.1.40.0040.00417.44
8.1.30.0090.00017.57
8.1.20.0040.00417.47
8.1.10.0050.00217.39
8.1.00.0060.00317.32
8.0.300.0040.00418.77
8.0.290.0000.00817.05
8.0.280.0070.00018.37
8.0.270.0030.00317.10
8.0.260.0000.00716.66
8.0.250.0040.00416.89
8.0.240.0040.00416.84
8.0.230.0000.00816.85
8.0.220.0000.00716.84
8.0.210.0060.00316.86
8.0.200.0070.00016.77
8.0.190.0000.00716.78
8.0.180.0070.00016.88
8.0.170.0040.00416.79
8.0.160.0030.00316.77
8.0.150.0000.00716.79
8.0.140.0070.00416.67
8.0.130.0030.00313.13
8.0.120.0000.00716.78
8.0.110.0000.00716.85
8.0.100.0040.00416.67
8.0.90.0040.00416.73
8.0.80.0110.00316.71
8.0.70.0000.00716.67
8.0.60.0000.00716.85
8.0.50.0040.00416.81
8.0.30.0160.01116.91
8.0.20.0200.00817.40
8.0.10.0000.00816.82
8.0.00.0130.00716.64
7.4.330.0050.00015.05
7.4.320.0030.00316.45
7.4.300.0060.00016.50
7.4.290.0000.00716.48
7.4.280.0000.00716.38
7.4.270.0030.00316.45
7.4.260.0000.00513.21
7.4.250.0040.00416.41
7.4.240.0030.00516.49
7.4.230.0000.00716.51
7.4.220.0120.01016.60
7.4.210.0090.00716.55
7.4.200.0000.00716.51
7.4.190.0070.00016.48
7.4.160.0120.00416.45
7.4.150.0070.01017.40
7.4.140.0100.00617.86
7.4.130.0120.00916.44
7.4.120.0150.00416.37
7.4.110.0070.01016.30
7.4.100.0150.00316.47
7.4.90.0100.01316.59
7.4.80.0100.01019.39
7.4.70.0100.00716.35
7.4.60.0000.01616.42
7.4.50.0000.00716.31
7.4.40.0070.00722.77
7.4.30.0040.01216.30
7.4.00.0000.01314.93
7.3.330.0030.00313.17
7.3.320.0020.00213.00
7.3.310.0030.00316.06
7.3.300.0000.00716.19
7.3.290.0130.00716.19
7.3.280.0080.00816.16
7.3.270.0130.00717.40
7.3.260.0070.01316.39
7.3.250.0110.00616.18
7.3.240.0100.00716.52
7.3.230.0150.00616.42
7.3.210.0100.00616.53
7.3.200.0070.01019.39
7.3.190.0070.01016.50
7.3.180.0170.00016.33
7.3.170.0100.00616.31
7.3.160.0090.00916.32
7.3.120.0060.00914.46
7.3.10.0000.01116.26
7.3.00.0080.00316.32
7.2.330.0150.00316.27
7.2.320.0060.01016.70
7.2.310.0160.00716.27
7.2.300.0070.01016.30
7.2.290.0100.00716.29
7.2.130.0070.00416.79
7.2.120.0100.00616.80
7.2.110.0100.00716.86
7.2.100.0000.01216.46
7.2.90.0040.00416.29
7.2.80.0080.00816.69
7.2.70.0120.00916.36
7.2.60.0060.00716.67
7.2.50.0080.00816.43
7.2.40.0060.00616.39
7.2.30.0040.00816.55
7.2.20.0030.00616.84
7.2.10.0120.00416.63
7.2.00.0060.00316.83
7.1.250.0030.00715.63
7.1.200.0030.00715.63
7.1.70.0000.00816.96
7.1.60.0140.01119.21
7.1.50.0030.01616.89
7.1.00.0000.03722.27
7.0.200.0040.00416.52
7.0.140.0000.08021.97
7.0.100.0100.08319.95
7.0.90.0130.08019.82
7.0.80.0100.06319.89
7.0.70.0100.08019.90
7.0.60.0070.07319.81
7.0.50.0000.06720.21
7.0.40.0100.08020.09
7.0.30.0130.09019.99
7.0.20.0070.05719.91
7.0.10.0070.07720.05
7.0.00.0030.09019.89
5.6.280.0070.07021.14
5.6.250.0130.07720.55
5.6.240.0000.05720.53
5.6.230.0100.06720.46
5.6.220.0070.08320.65
5.6.210.0070.06720.61
5.6.200.0030.06320.90
5.6.190.0100.08021.03
5.6.180.0130.07721.01
5.6.170.0130.04320.98
5.6.160.0030.08720.97
5.6.150.0100.08321.07
5.6.140.0130.07720.90
5.6.130.0230.06321.00
5.6.120.0070.07720.99
5.6.110.0000.08320.95
5.6.100.0030.08021.02
5.6.90.0170.07320.97
5.6.80.0130.07720.45
5.6.70.0100.07320.35
5.6.60.0200.06320.27
5.6.50.0070.06720.37
5.6.40.0100.07320.37
5.6.30.0070.07720.36
5.6.20.0030.05320.47
5.6.10.0030.08320.48
5.6.00.0100.04720.23
5.5.380.0100.07320.36
5.5.370.0100.08020.40
5.5.360.0030.05020.29
5.5.350.0100.07720.29
5.5.340.0100.04320.59
5.5.330.0070.05320.76
5.5.320.0030.05720.75
5.5.310.0030.08320.86
5.5.300.0070.08020.75
5.5.290.0100.08020.58
5.5.280.0130.06720.80
5.5.270.0030.08320.77
5.5.260.0100.04320.78
5.5.250.0130.07320.69
5.5.240.0000.08020.09
5.5.230.0070.08320.23
5.5.220.0100.07720.10
5.5.210.0100.07019.96
5.5.200.0200.03319.94
5.5.190.0070.05020.23
5.5.180.0070.05320.21
5.5.160.0130.07020.22
5.5.150.0200.04720.19
5.5.140.0070.07720.15
5.5.130.0030.07720.07
5.5.120.0100.08020.14
5.5.110.0100.07020.12
5.5.100.0200.02320.00
5.5.90.0070.08020.04
5.5.80.0100.07320.12
5.5.70.0170.07020.09
5.5.60.0130.07320.11
5.5.50.0100.08020.00
5.5.40.0030.04720.10
5.5.30.0100.07719.90
5.5.20.0030.07320.09
5.5.10.0030.08020.02
5.5.00.0100.07719.97
5.4.450.0030.08319.20
5.4.440.0030.08019.54
5.4.430.0000.08719.57
5.4.420.0100.06719.45
5.4.410.0000.05719.14
5.4.400.0100.04319.05
5.4.390.0100.07719.21
5.4.380.0030.04319.13
5.4.370.0130.06319.19
5.4.360.0070.04719.14
5.4.350.0070.04319.21
5.4.340.0100.07319.04
5.4.320.0000.08019.15
5.4.310.0070.07019.05
5.4.300.0070.07019.21
5.4.290.0130.06019.04
5.4.280.0100.07718.95
5.4.270.0070.07719.14
5.4.260.0030.04719.04
5.4.250.0030.04018.94
5.4.240.0100.06019.13
5.4.230.0000.04719.15
5.4.220.0070.07719.02
5.4.210.0030.07719.07
5.4.200.0170.06318.84
5.4.190.0100.07319.12
5.4.180.0070.07319.22
5.4.170.0070.07318.86
5.4.160.0070.07019.21
5.4.150.0070.07318.86
5.4.140.0070.07316.29
5.4.130.0100.06316.36
5.4.120.0030.07316.41
5.4.110.0200.05316.50
5.4.100.0100.06716.34
5.4.90.0100.06316.43
5.4.80.0070.06716.38
5.4.70.0100.06716.30
5.4.60.0100.06316.45
5.4.50.0070.06316.25
5.4.40.0100.03716.37
5.4.30.0230.05316.24
5.4.20.0100.06716.44
5.4.10.0000.06316.47
5.4.00.0030.04015.85
5.3.290.0100.05714.77
5.3.280.0130.07314.56
5.3.270.0100.06714.65
5.3.260.0130.06314.69
5.3.250.0070.06714.72
5.3.240.0100.05314.53
5.3.230.0070.07014.57
5.3.220.0070.04314.59
5.3.210.0030.06714.48
5.3.200.0030.05314.61
5.3.190.0000.07014.48
5.3.180.0030.07714.62
5.3.170.0000.04714.66
5.3.160.0030.07314.61
5.3.150.0000.08014.62
5.3.140.0100.07314.54
5.3.130.0170.06014.52
5.3.120.0100.07014.49
5.3.110.0030.04714.66
5.3.100.0100.06714.09
5.3.90.0130.05314.14
5.3.80.0000.06713.95
5.3.70.0030.07313.94
5.3.60.0000.05314.00
5.3.50.0100.06013.86
5.3.40.0030.04313.97
5.3.30.0070.04014.01
5.3.20.0070.06013.74
5.3.10.0070.07013.54
5.3.00.0070.03713.64
5.2.170.0030.05311.20
5.2.160.0030.06311.02
5.2.150.0070.06311.25
5.2.140.0030.06011.20
5.2.130.0030.05311.08
5.2.120.0070.05311.16
5.2.110.0070.05711.13
5.2.100.0130.02311.00
5.2.90.0030.03011.19
5.2.80.0030.05311.18
5.2.70.0000.06011.18
5.2.60.0070.05710.91
5.2.50.0070.05011.12
5.2.40.0100.05710.92
5.2.30.0070.06710.82
5.2.20.0030.05711.00
5.2.10.0070.06310.84
5.2.00.0070.05710.62
5.1.60.0030.03010.05
5.1.50.0100.0439.99
5.1.40.0030.0279.85
5.1.30.0100.05010.40
5.1.20.0030.03010.45
5.1.10.0030.03310.13
5.1.00.0070.0479.95
5.0.50.0000.0478.64
5.0.40.0000.0478.44
5.0.30.0000.0478.06
5.0.20.0030.0378.18
5.0.10.0000.0378.22
5.0.00.0030.0578.15
4.4.90.0030.0406.30
4.4.80.0030.0276.30
4.4.70.0000.0336.30
4.4.60.0070.0336.30
4.4.50.0030.0336.30
4.4.40.0030.0236.30
4.4.30.0000.0206.30
4.4.20.0000.0376.30
4.4.10.0000.0376.30
4.4.00.0030.0536.30
4.3.110.0000.0376.30
4.3.100.0030.0336.30
4.3.90.0000.0306.30
4.3.80.0030.0536.30
4.3.70.0030.0336.30
4.3.60.0030.0336.30
4.3.50.0030.0376.30
4.3.40.0070.0476.30
4.3.30.0030.0336.30
4.3.20.0030.0336.30
4.3.10.0030.0176.30
4.3.00.0000.0376.30

preferences:
36.73 ms | 400 KiB | 5 Q