3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function b(A $a) {} } class B extends A { public function b(B $a) {} } $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)
8.3.60.0060.00916.88
8.3.50.0110.00816.50
8.3.40.0130.00718.65
8.3.30.0140.00718.46
8.3.20.0040.00418.69
8.3.10.0060.00318.60
8.3.00.0130.00719.13
8.2.180.0120.00316.50
8.2.170.0110.00322.96
8.2.160.0080.00818.49
8.2.150.0080.00024.18
8.2.140.0130.00624.66
8.2.130.0110.00826.16
8.2.120.0030.01620.82
8.2.110.0030.00622.09
8.2.100.0090.00317.47
8.2.90.0000.00817.61
8.2.80.0030.00618.48
8.2.70.0000.00817.50
8.2.60.0000.00717.68
8.2.50.0000.00818.07
8.2.40.0040.00419.82
8.2.30.0060.00317.48
8.2.20.0080.00417.47
8.2.10.0050.00217.53
8.2.00.0030.00617.59
8.1.280.0120.00325.92
8.1.270.0080.00023.99
8.1.260.0070.01026.35
8.1.250.0070.00028.09
8.1.240.0090.00022.01
8.1.230.0060.00617.57
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0030.00717.22
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0070.00018.71
8.1.160.0040.00318.88
8.1.150.0000.00718.44
8.1.140.0030.00517.31
8.1.130.0030.00317.76
8.1.120.0040.00417.40
8.1.110.0020.00517.28
8.1.100.0050.00217.15
8.1.90.0000.00817.33
8.1.80.0000.00717.23
8.1.70.0070.00017.27
8.1.60.0040.00417.41
8.1.50.0060.00317.32
8.1.40.0000.00817.27
8.1.30.0030.00617.45
8.1.20.0070.00417.48
8.1.10.0000.00717.27
8.1.00.0080.00017.34
8.0.300.0050.00219.85
8.0.290.0090.00016.63
8.0.280.0000.00718.55
8.0.270.0040.00417.03
8.0.260.0050.00216.68
8.0.250.0050.00316.93
8.0.240.0040.00416.89
8.0.230.0030.00316.85
8.0.220.0070.00016.81
8.0.210.0050.00216.84
8.0.200.0000.00716.80
8.0.190.0040.00416.88
8.0.180.0000.00716.84
8.0.170.0070.00316.74
8.0.160.0040.00416.80
8.0.150.0030.00616.67
8.0.140.0000.00816.77
8.0.130.0030.00313.31
8.0.120.0060.00316.82
8.0.110.0030.00316.72
8.0.100.0000.00916.78
8.0.90.0000.00716.78
8.0.80.0080.00816.74
8.0.70.0070.00016.79
8.0.60.0070.00016.88
8.0.50.0040.00416.89
8.0.30.0120.00916.80
8.0.20.0100.00816.96
8.0.10.0040.00416.94
8.0.00.0160.00316.52
7.4.330.0000.00512.91
7.4.320.0000.00716.27
7.4.300.0030.00316.52
7.4.290.0000.00816.50
7.4.280.0040.00416.52
7.4.270.0000.00616.46
7.4.260.0000.00513.20
7.4.250.0080.00016.51
7.4.240.0000.00716.40
7.4.230.0030.00316.38
7.4.220.0130.00716.44
7.4.210.0110.00916.43
7.4.200.0070.00016.35
7.4.190.0000.00716.51
7.4.160.0040.01116.52
7.4.150.0070.01016.48
7.4.140.0060.01216.54
7.4.130.0140.00316.58
7.4.120.0160.00316.37
7.4.110.0140.00416.39
7.4.100.0070.01016.59
7.4.90.0100.01316.67
7.4.80.0090.01519.39
7.4.70.0090.00616.49
7.4.60.0060.01016.60
7.4.50.0020.00216.36
7.4.40.0040.01116.36
7.4.30.0090.00916.73
7.4.00.0100.00814.95
7.3.330.0060.00013.35
7.3.320.0050.00013.28
7.3.310.0000.00716.25
7.3.300.0000.00616.19
7.3.290.0090.00716.34
7.3.280.0100.00816.33
7.3.270.0100.00816.30
7.3.260.0140.00316.63
7.3.250.0060.01216.33
7.3.240.0100.00616.24
7.3.230.0070.01016.29
7.3.210.0140.00516.48
7.3.200.0060.01216.48
7.3.190.0090.01316.49
7.3.180.0090.00916.56
7.3.170.0030.01316.35
7.3.160.0070.01616.38
7.3.120.0090.00714.91
7.3.110.0090.00614.69
7.3.100.0090.00614.86
7.3.90.0110.00314.82
7.3.80.0060.00914.98
7.3.70.0060.00614.86
7.3.60.0070.00414.86
7.3.50.0080.00414.46
7.3.40.0000.01414.76
7.3.30.0070.01014.57
7.3.20.0070.00316.70
7.3.10.0060.00616.67
7.3.00.0120.00316.59
7.2.330.0140.00616.50
7.2.320.0150.00616.56
7.2.310.0130.00716.59
7.2.300.0080.00816.60
7.2.290.0100.01116.50
7.2.250.0160.00314.98
7.2.240.0030.01715.18
7.2.230.0000.01715.01
7.2.220.0070.01114.91
7.2.210.0060.00614.48
7.2.200.0110.00414.93
7.2.190.0000.01114.83
7.2.180.0120.00315.06
7.2.170.0100.00615.04
7.2.60.0030.01316.74
7.2.00.0030.00619.33
7.1.330.0040.01115.60
7.1.320.0100.00315.69
7.1.310.0060.00615.61
7.1.300.0140.00015.63
7.1.290.0100.00315.39
7.1.280.0030.01215.62
7.1.270.0030.01315.57
7.1.260.0080.00615.37
7.1.200.0140.00015.49
7.1.100.0080.00317.94
7.1.70.0040.01117.16
7.1.60.0100.00319.30
7.1.50.0100.01016.66
7.1.00.0070.03022.31
7.0.200.0040.01116.77
7.0.140.0100.06321.95
7.0.120.0000.08022.25
7.0.60.0200.03719.96
7.0.50.0070.05317.84
7.0.40.0070.09320.18
7.0.30.0270.08320.07
7.0.20.0300.07320.32
7.0.10.0170.05320.24
7.0.00.0100.08320.16
5.6.280.0000.07721.07
5.6.210.0130.04020.62
5.6.200.0070.05018.29
5.6.190.0100.06320.61
5.6.180.0330.07020.61
5.6.170.0270.08720.60
5.6.160.0070.08320.48
5.6.150.0130.08018.23
5.6.140.0100.07718.11
5.6.130.0030.06018.28
5.6.120.0100.08021.02
5.6.110.0070.09021.14
5.6.100.0030.08721.13
5.6.90.0130.06721.04
5.6.80.0130.04720.38
5.6.70.4170.04020.38
5.5.350.0070.08320.30
5.5.340.0130.08018.04
5.5.330.0100.05720.30
5.5.320.0370.06320.24
5.5.310.0270.08020.27
5.5.300.0130.07017.95
5.5.290.0100.08017.97
5.5.280.0070.09020.65
5.5.270.0130.05720.84
5.5.260.0030.04020.93
5.5.250.0170.07720.46
5.5.240.0270.08020.15
5.4.450.3230.03719.55
5.4.440.3230.04319.56
5.4.430.3600.03719.36
5.4.420.3330.04019.31
5.4.410.3370.03319.19
5.4.400.3830.04318.98
5.4.390.2900.04019.07
5.4.380.3430.04719.08
5.4.370.3570.04018.85
5.4.360.3630.04019.20
5.4.350.3430.03719.14
5.4.340.3670.03319.11
5.4.320.3500.04319.15
5.4.310.3200.04019.13
5.4.300.2970.03319.24
5.4.290.2970.03018.94
5.4.280.3630.04719.16
5.4.270.3130.03719.09
5.4.260.2900.04018.86
5.4.250.2730.03319.21
5.4.240.2800.04018.98
5.4.230.2970.03319.12
5.4.220.3300.03718.87
5.4.210.3170.04319.01
5.4.200.3430.03718.82
5.4.190.3500.04318.97
5.4.180.3430.03718.86
5.4.170.3470.03719.21
5.4.160.3470.04019.13
5.4.150.4000.04018.83
5.4.140.3870.04016.57
5.4.130.4000.03316.36
5.4.120.3570.04016.54
5.4.110.3770.04016.62
5.4.100.3670.03316.61
5.4.90.3570.03316.32
5.4.80.3370.03016.40
5.4.70.3530.03716.48
5.4.60.3230.03716.51
5.4.50.3200.04016.43
5.4.40.3200.04016.42
5.4.30.3470.03316.30
5.4.20.3300.04016.56
5.4.10.3870.03716.34
5.4.00.4130.03315.80
5.3.290.3830.04014.59
5.3.280.3330.04014.50
5.3.270.3570.03714.61
5.3.260.3530.04314.63
5.3.250.3670.04014.69
5.3.240.3900.03714.52
5.3.230.3870.04014.59
5.3.220.3570.03714.55
5.3.210.3530.04014.54
5.3.200.3900.03714.73
5.3.190.3870.03714.47
5.3.180.4100.04314.55
5.3.170.3100.04314.62
5.3.160.2970.03714.79
5.3.150.3400.03314.56
5.3.140.3330.03314.64
5.3.130.3700.03314.60
5.3.120.3470.04014.66
5.3.110.3930.03714.57
5.3.100.3330.03714.04
5.3.90.3430.03714.18
5.3.80.3430.03313.95
5.3.70.3230.03713.92
5.3.60.2930.04014.09
5.3.50.3370.03013.83
5.3.40.3170.03713.87
5.3.30.3230.04013.92
5.3.20.3400.04013.71
5.3.10.3830.03013.56
5.3.00.4070.03713.80
5.2.170.2700.02311.13
5.2.160.2500.03011.24
5.2.150.2470.03711.07
5.2.140.3270.02311.05
5.2.130.3330.02711.04
5.2.120.3330.03011.20
5.2.110.3070.02711.26
5.2.100.3030.02311.03
5.2.90.3200.03011.19
5.2.80.3200.03311.18
5.2.70.3430.02311.32
5.2.60.3430.02710.96
5.2.50.3400.02711.00
5.2.40.2570.03010.95
5.2.30.1970.03311.05
5.2.20.2430.02310.88
5.2.10.1900.03310.86
5.2.00.2270.03010.70
5.1.60.2330.0239.91
5.1.50.2730.0309.97
5.1.40.2770.0239.98
5.1.30.2400.02010.29
5.1.20.2570.02710.36
5.1.10.2230.02710.20
5.1.00.2330.03010.15
5.0.50.1200.0178.45
5.0.40.1270.0238.57
5.0.30.1270.0338.45
5.0.20.1500.0208.45
5.0.10.1370.0208.45
5.0.00.1100.0308.45
4.4.90.0830.0178.45
4.4.80.0970.0178.45
4.4.70.1270.0178.45
4.4.60.1070.0208.45
4.4.50.1130.0178.45
4.4.40.1130.0238.45
4.4.30.1470.0178.45
4.4.20.1270.0208.45
4.4.10.1300.0208.45
4.4.00.1330.0308.45
4.3.110.1330.0138.45
4.3.100.1400.0208.45
4.3.90.1200.0208.45
4.3.80.1370.0338.45
4.3.70.1230.0138.45
4.3.60.1370.0178.45
4.3.50.1530.0138.45
4.3.40.1330.0308.45
4.3.30.0600.0178.45
4.3.20.0730.0278.45
4.3.10.0800.0278.45
4.3.00.0730.0238.45

preferences:
47.38 ms | 401 KiB | 5 Q