3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new stdClass(); $a->{0} = 'X'; $a->{1} = 'Y'; $x = unserialize(serialize($a)); $prop = 1; var_dump($x->$prop, $x->{1});

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)
8.3.60.0110.00416.49
8.3.50.0070.01020.00
8.3.40.0070.00718.71
8.3.30.0070.00718.93
8.3.20.0050.00220.30
8.3.10.0040.00423.66
8.3.00.0080.00019.25
8.2.180.0090.00616.63
8.2.170.0090.00622.96
8.2.160.0070.00720.04
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0040.00421.15
8.2.110.0070.00322.25
8.2.100.0090.00617.59
8.2.90.0080.00019.09
8.2.80.0000.00817.97
8.2.70.0050.00517.38
8.2.60.0030.00617.80
8.2.50.0030.00618.07
8.2.40.0020.00518.22
8.2.30.0030.00518.05
8.2.20.0000.00817.61
8.2.10.0070.00018.19
8.2.00.0050.00317.77
8.1.270.0040.00423.82
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00620.92
8.1.230.0040.00817.63
8.1.220.0050.00217.77
8.1.210.0030.00518.77
8.1.200.0090.00317.35
8.1.190.0050.00317.35
8.1.180.0000.00818.10
8.1.170.0050.00318.61
8.1.160.0070.00021.92
8.1.150.0080.00018.80
8.1.140.0000.00717.36
8.1.130.0000.00717.70
8.1.120.0040.00417.51
8.1.110.0000.00817.38
8.1.100.0000.00717.34
8.1.90.0030.00317.40
8.1.80.0000.00717.47
8.1.70.0000.00717.47
8.1.60.0000.00917.50
8.1.50.0040.00417.49
8.1.40.0000.00817.36
8.1.30.0040.00417.49
8.1.20.0040.00417.64
8.1.10.0000.00717.41
8.1.00.0040.00417.50
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0000.00718.35
8.0.270.0020.00517.20
8.0.260.0000.00617.26
8.0.250.0030.00317.03
8.0.240.0000.01116.98
8.0.230.0030.00317.01
8.0.220.0070.00016.94
8.0.210.0000.00917.00
8.0.200.0000.00716.90
8.0.190.0040.00416.98
8.0.180.0030.00316.91
8.0.170.0040.00416.97
8.0.160.0040.00416.91
8.0.150.0000.00716.96
8.0.140.0040.00416.84
8.0.130.0050.00013.34
8.0.120.0040.00416.94
8.0.110.0040.00417.02
8.0.100.0070.00016.99
8.0.90.0000.00816.91
8.0.80.0090.00616.99
8.0.70.0070.00016.82
8.0.60.0040.00416.94
8.0.50.0040.00417.01
8.0.30.0120.00817.25
8.0.20.0080.01117.40
8.0.10.0030.00617.00
8.0.00.0070.01016.79
7.4.330.0050.00015.02
7.4.320.0000.00716.55
7.4.300.0000.00616.38
7.4.290.0070.00016.45
7.4.280.0000.00716.53
7.4.270.0030.00316.55
7.4.260.0000.00716.56
7.4.250.0030.00616.39
7.4.240.0020.00616.40
7.4.230.0050.00316.62
7.4.220.0180.00616.44
7.4.210.0060.00716.32
7.4.200.0030.00316.34
7.4.160.0070.00716.52
7.4.150.0030.01617.40
7.4.140.0110.00717.86
7.4.130.0150.00716.49
7.4.120.0100.01016.54
7.4.110.0110.00716.51
7.4.100.0060.01916.29
7.4.90.0090.00916.24
7.4.80.0080.01119.39
7.4.70.0100.00716.49
7.4.60.0130.00416.50
7.4.50.0020.00216.25
7.4.40.0110.00516.58
7.4.30.0100.00716.54
7.4.00.0050.01214.95
7.3.330.0060.00013.09
7.3.320.0030.00313.14
7.3.310.0040.00416.25
7.3.300.0050.00216.27
7.3.290.0090.00816.25
7.3.280.0070.01216.30
7.3.270.0130.00317.40
7.3.260.0090.01016.51
7.3.250.0080.01116.42
7.3.240.0080.00916.39
7.3.230.0130.00316.50
7.3.210.0130.00316.66
7.3.200.0070.01019.39
7.3.190.0030.01916.27
7.3.180.0120.00316.23
7.3.170.0150.00616.46
7.3.160.0000.01616.47
7.3.120.0060.01015.04
7.3.110.0030.01214.66
7.3.100.0030.01315.11
7.3.90.0080.00414.52
7.3.80.0050.00514.82
7.3.70.0100.00314.87
7.3.60.0030.01314.66
7.3.50.0100.00614.86
7.3.40.0040.01214.76
7.3.30.0060.00614.74
7.3.20.0030.01016.48
7.3.10.0070.00916.51
7.3.00.0070.00616.54
7.2.330.0070.01016.73
7.2.320.0060.01316.60
7.2.310.0060.01216.66
7.2.300.0100.00616.66
7.2.290.0120.00316.78
7.2.250.0030.01714.82
7.2.240.0030.01714.98
7.2.230.0100.00714.69
7.2.220.0060.00815.15
7.2.210.0030.01015.03
7.2.200.0070.00715.06
7.2.190.0000.01814.95
7.2.180.0100.00314.75
7.2.170.0030.00715.17
7.2.130.0070.00616.76
7.2.120.0080.00416.83
7.2.110.0070.00816.80
7.2.100.0050.00916.80
7.2.90.0040.01216.90
7.2.80.0070.00916.90
7.2.70.0060.00616.66
7.2.60.0100.00616.84
7.2.50.0070.00617.00
7.2.40.0070.00916.72
7.2.30.0050.01016.88
7.2.20.0100.00516.92
7.2.10.0080.00616.94
7.2.00.0050.00717.85
7.1.330.0100.00715.87
7.1.320.0110.00415.94
7.1.310.0070.00415.86
7.1.300.0030.01015.63
7.1.290.0060.01015.64
7.1.280.0070.01015.86
7.1.270.0060.00915.77
7.1.260.0030.00715.72
7.1.250.0070.00715.66
7.1.200.0040.01115.92
7.1.100.0030.00917.99
7.1.70.0040.00716.93
7.1.60.0060.01819.46
7.1.50.0070.01716.63
7.1.00.0070.07022.54
7.0.200.0020.00716.77
7.0.140.0000.07722.20
7.0.60.0300.06020.04
7.0.50.0070.07317.73
7.0.40.0030.04320.16
7.0.30.0130.04720.17
7.0.20.0330.07720.13
7.0.10.0200.07720.09
7.0.00.0070.08319.99
5.6.280.0100.06721.04
5.6.210.0070.05320.46
5.6.200.0070.08018.23
5.6.190.0070.07320.42
5.6.180.0270.04720.45
5.6.170.0400.06320.42
5.6.160.0100.06320.38
5.6.150.0070.05018.11
5.6.140.0170.06018.18
5.6.130.0030.07018.14
5.6.120.0100.03720.95
5.6.110.0100.07020.98
5.6.100.0170.07321.02
5.6.90.0130.07721.03
5.6.80.0130.07720.48
5.5.350.0200.04720.38
5.5.340.0070.08317.91
5.5.330.0000.04720.42
5.5.320.0370.05020.14
5.5.310.0270.05720.12
5.5.300.0030.05717.93
5.5.290.0030.04017.96
5.5.280.0070.07320.93
5.5.270.0130.05720.87
5.5.260.0170.07720.79
5.5.250.0070.08720.70
5.5.240.0100.03320.25
5.4.450.4300.04019.21
5.4.440.0070.05319.50
5.4.430.1700.06319.50
5.4.420.4600.03319.41
5.4.410.4730.03719.34
5.4.400.3730.02719.09
5.4.390.3700.03319.15
5.4.380.3070.03719.00
5.4.370.4430.03719.04
5.4.360.4500.04019.14
5.4.350.4630.03319.04
5.4.340.0030.04019.09
5.4.320.4600.04019.14
5.4.310.4630.03319.12
5.4.300.4530.04018.99
5.4.290.4330.02718.96
5.4.280.4330.03019.00
5.4.270.4600.03719.14
5.4.260.4630.04018.88
5.4.250.2900.03719.05
5.4.240.0070.04319.13
5.4.230.3630.03718.88
5.4.220.4630.03718.88
5.4.210.4470.04719.17
5.4.200.4700.03019.23
5.4.190.3200.03319.02
5.4.180.3170.04318.96
5.4.170.3730.04719.06
5.4.160.4200.04318.98
5.4.150.4270.04319.13
5.4.140.3430.03316.23
5.4.130.2630.03716.22
5.4.120.2930.03316.39
5.4.110.3530.03316.51
5.4.100.3570.03716.58
5.4.90.4070.03316.15
5.4.80.3730.03316.37
5.4.70.3830.03716.14
5.4.60.4170.03016.20
5.4.50.3630.03316.30
5.4.40.4470.03716.46
5.4.30.4570.03716.27
5.4.20.3700.03316.54
5.4.10.4500.03016.36
5.4.00.4300.02315.58
5.3.290.4670.03714.68
5.3.280.4630.03714.68
5.3.270.3400.03714.43
5.3.260.3570.03714.40
5.3.250.3430.04014.55
5.3.240.3600.04014.43
5.3.230.3300.03014.52
5.3.220.2900.04014.47
5.3.210.3570.04714.51
5.3.200.4170.03714.54
5.3.190.3900.03714.66
5.3.180.4100.03314.52
5.3.170.4130.03714.53
5.3.160.3770.04714.67
5.3.150.4100.03014.54
5.3.140.3830.04014.57
5.3.130.4600.03314.39
5.3.120.4470.04314.43
5.3.110.4270.03014.51
5.3.100.4630.03714.02
5.3.90.4130.04013.97
5.3.80.3870.04013.98
5.3.70.3300.03314.11
5.3.60.4700.04313.84
5.3.50.4130.04013.87
5.3.40.4030.03713.88
5.3.30.3670.03313.73
5.3.20.3870.03313.53
5.3.10.3970.03713.60
5.3.00.4570.03713.58
5.2.170.3330.02711.05
5.2.160.3500.02311.30
5.2.150.3130.03011.30
5.2.140.2930.03310.97
5.2.130.3400.02711.19
5.2.120.3330.03011.19
5.2.110.3130.02711.03
5.2.100.3030.03011.25
5.2.90.3800.03311.10
5.2.80.3870.02710.95
5.2.70.3630.03311.03
5.2.60.3370.03011.03
5.2.50.3330.03010.87
5.2.40.2630.03010.87
5.2.30.2300.05310.80
5.2.20.2570.02010.93
5.2.10.2570.03010.91
5.2.00.2430.02310.87
5.1.60.2430.02310.04
5.1.50.2430.0239.99
5.1.40.2400.02010.13
5.1.30.2330.03010.38
5.1.20.2370.02310.39
5.1.10.2300.03010.14
5.1.00.2330.02710.08
5.0.50.1430.0108.58
5.0.40.1430.0208.54
5.0.30.1500.0278.20
5.0.20.1830.0178.35
5.0.10.1730.0278.23
5.0.00.1400.0378.11
4.4.90.1630.0206.35
4.4.80.1470.0176.35
4.4.70.1200.0136.35
4.4.60.1170.0176.35
4.4.50.1170.0176.35
4.4.40.1270.0236.35
4.4.30.1200.0136.35
4.4.20.1270.0176.35
4.4.10.1270.0176.35
4.4.00.1370.0276.35
4.3.110.1470.0176.35
4.3.100.1430.0176.35
4.3.90.1200.0206.35
4.3.80.1500.0206.35
4.3.70.1430.0176.35
4.3.60.1470.0176.35
4.3.50.1830.0176.35
4.3.40.1830.0236.35
4.3.30.0930.0176.35
4.3.20.0970.0236.35
4.3.10.0930.0206.35
4.3.00.0870.0236.35

preferences:
41.47 ms | 400 KiB | 5 Q