3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = (object)array('123' => '456'); $obj->a = 1; print_r($obj); echo $obj->{'123'},"\n"; echo $obj->{123},"\n"; echo property_exists(get_class($obj), $obj->{'123'})? 'true':'false'; echo property_exists(get_class($obj), $obj->a)? 'true':'false';

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)
8.3.60.0120.00618.55
8.3.50.0130.01021.98
8.3.40.0110.00418.79
8.3.30.0140.00019.09
8.3.20.0000.00720.39
8.3.10.0060.00320.48
8.3.00.0050.00319.38
8.2.180.0070.01016.63
8.2.170.0140.00322.96
8.2.160.0130.00320.43
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00422.18
8.2.110.0040.00420.35
8.2.100.0070.00718.09
8.2.90.0000.00719.21
8.2.80.0030.00517.97
8.2.70.0030.00617.50
8.2.60.0090.00018.04
8.2.50.0060.00318.07
8.2.40.0070.00319.95
8.2.30.0050.00318.05
8.2.20.0000.00717.80
8.2.10.0050.00218.04
8.2.00.0070.00017.75
8.1.280.0100.00725.92
8.1.270.0080.00024.02
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0040.00423.92
8.1.230.0070.00419.09
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.13
8.1.180.0030.00618.10
8.1.170.0000.00818.56
8.1.160.0070.00021.83
8.1.150.0040.00418.78
8.1.140.0080.00017.29
8.1.130.0030.00317.69
8.1.120.0040.00417.41
8.1.110.0020.00517.46
8.1.100.0000.00817.39
8.1.90.0040.00417.42
8.1.80.0040.00417.25
8.1.70.0000.00717.34
8.1.60.0070.00317.41
8.1.50.0060.00317.47
8.1.40.0040.00417.52
8.1.30.0080.00017.60
8.1.20.0040.00417.59
8.1.10.0040.00417.46
8.1.00.0000.00817.52
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0030.00318.35
8.0.270.0030.00317.24
8.0.260.0060.00017.32
8.0.250.0000.00617.05
8.0.240.0060.00016.96
8.0.230.0000.00716.98
8.0.220.0000.00716.94
8.0.210.0030.00716.87
8.0.200.0030.00316.84
8.0.190.0000.00816.98
8.0.180.0000.00716.89
8.0.170.0080.00016.96
8.0.160.0030.00316.85
8.0.150.0020.00516.81
8.0.140.0000.00716.80
8.0.130.0050.00013.33
8.0.120.0080.00016.91
8.0.110.0090.00016.84
8.0.100.0000.00716.74
8.0.90.0000.00816.75
8.0.80.0180.00016.90
8.0.70.0000.00816.96
8.0.60.0000.00716.80
8.0.50.0040.00416.72
8.0.30.0100.01017.08
8.0.20.0130.00617.40
8.0.10.0070.00017.13
8.0.00.0070.01016.74
7.4.330.0000.00515.00
7.4.320.0030.00316.53
7.4.300.0030.00316.46
7.4.290.0030.00316.59
7.4.280.0040.00716.52
7.4.270.0040.00416.40
7.4.260.0040.00416.32
7.4.250.0070.00016.42
7.4.240.0000.00716.44
7.4.230.0040.00416.29
7.4.220.0110.00616.50
7.4.210.0040.01116.65
7.4.200.0030.00316.48
7.4.160.0060.00916.57
7.4.150.0060.01217.40
7.4.140.0090.00817.86
7.4.130.0110.00716.40
7.4.120.0090.00716.47
7.4.110.0110.00416.43
7.4.100.0180.00016.40
7.4.90.0030.01416.37
7.4.80.0060.00919.39
7.4.70.0150.00316.43
7.4.60.0100.00616.45
7.4.50.0030.00516.41
7.4.40.0090.00616.18
7.4.30.0100.01016.47
7.4.00.0100.00714.98
7.3.330.0030.00313.21
7.3.320.0000.00513.24
7.3.310.0000.00716.34
7.3.300.0050.00316.24
7.3.290.0030.01216.36
7.3.280.0070.00916.34
7.3.270.0210.00317.40
7.3.260.0070.01016.50
7.3.250.0110.00616.46
7.3.240.0130.00716.46
7.3.230.0090.00616.54
7.3.210.0080.00916.44
7.3.200.0110.00619.39
7.3.190.0060.01616.28
7.3.180.0060.00916.60
7.3.170.0160.00016.31
7.3.160.0130.00316.32
7.3.10.0140.00416.24
7.3.00.0180.00216.40
7.2.330.0070.01116.77
7.2.320.0040.01316.71
7.2.310.0070.01016.51
7.2.300.0030.01316.63
7.2.290.0030.01316.76
7.2.130.0120.01216.68
7.2.120.0100.01016.04
7.2.110.0120.00916.38
7.2.100.0130.00716.46
7.2.90.0150.01016.39
7.2.80.0090.01616.63
7.2.70.0160.00416.71
7.2.60.0080.00716.47
7.2.50.0120.00516.65
7.2.40.0130.00916.50
7.2.30.0040.01916.25
7.2.20.0180.00716.29
7.2.10.0140.01016.59
7.2.00.0120.00616.76
7.1.250.0080.01515.20
7.1.200.0060.00615.82
7.1.70.0000.00817.24
7.1.60.0070.01519.32
7.1.50.0030.02016.70
7.1.00.0070.07022.47
7.0.200.0000.00916.67
7.0.140.0000.07722.07
7.0.60.0030.05720.03
7.0.50.0070.05717.83
7.0.40.0100.06320.11
7.0.30.0500.05720.16
7.0.20.0330.08720.16
7.0.10.0200.03720.33
7.0.00.0030.07720.07
5.6.280.0130.06320.90
5.6.210.0070.08020.72
5.6.200.0030.05018.16
5.6.190.0070.08720.63
5.6.180.3200.04020.77
5.6.170.0230.04020.54
5.6.160.0070.08720.48
5.6.150.0030.04018.28
5.6.140.0070.04018.18
5.6.130.0030.08018.18
5.6.120.0170.05720.89
5.6.110.0170.06021.13
5.6.100.0030.07721.13
5.6.90.0030.04021.09
5.6.80.0000.09020.50
5.6.70.0370.04720.39
5.5.350.0270.03020.42
5.5.340.0070.08318.01
5.5.330.0030.04320.40
5.5.320.0500.07720.50
5.5.310.0170.04720.30
5.5.300.0030.08317.94
5.5.290.0070.04018.09
5.5.280.0100.07320.89
5.5.270.0070.03720.75
5.5.260.0100.08320.86
5.5.250.0030.06020.79
5.5.240.0300.06320.25
5.4.450.0530.06019.39
5.4.440.0570.06319.23
5.4.430.0530.06019.50
5.4.420.0630.00019.42
5.4.410.0630.00019.34
5.4.400.0600.00019.23
5.4.390.0600.00019.06
5.4.380.0630.00019.13
5.4.370.0600.00019.23
5.4.360.0630.00019.13
5.4.350.0630.00019.07
5.4.340.0600.00019.00
5.4.320.0030.03912.48
5.4.310.0040.04112.48
5.4.300.0040.03912.48
5.4.290.0060.03912.48
5.4.280.0060.03412.38
5.4.270.0060.03612.38
5.4.260.0050.03912.38
5.4.250.0030.04212.38
5.4.240.0070.03612.38
5.4.230.0110.03412.37
5.4.220.0050.03712.37
5.4.210.0050.03712.37
5.4.200.0070.03712.37
5.4.190.0080.03412.36
5.4.180.0100.03412.37
5.4.170.0050.03712.38
5.4.160.0050.03712.38
5.4.150.0070.03812.37
5.4.140.0070.03612.05
5.4.130.0060.03512.04
5.4.120.0030.03912.00
5.4.110.0110.04611.99
5.4.100.0040.04512.00
5.4.90.0030.04012.00
5.4.80.0040.04011.99
5.4.70.0100.03211.99
5.4.60.0080.03411.99
5.4.50.0040.03811.99
5.4.40.0070.03411.98
5.4.30.0070.03611.98
5.4.20.0050.03711.98
5.4.10.0090.03211.98
5.4.00.0090.03611.47
5.3.290.0080.03912.80
5.3.280.0060.04112.71
5.3.270.0050.04212.72
5.3.260.0060.03912.71
5.3.250.0050.03812.72
5.3.240.0060.03812.72
5.3.230.0060.03712.71
5.3.220.0080.03612.68
5.3.210.0050.04112.68
5.3.200.0050.03812.68
5.3.190.0080.03612.68
5.3.180.0070.03712.68
5.3.170.0050.03912.67
5.3.160.0080.03912.67
5.3.150.0040.04012.68
5.3.140.0080.03512.66
5.3.130.0020.04312.66
5.3.120.0100.03812.66
5.3.110.0040.04012.66
5.3.100.0120.03112.12
5.3.90.0050.03912.09
5.3.80.0060.03612.08
5.3.70.0070.03612.08
5.3.60.0120.03712.07
5.3.50.0080.03612.01
5.3.40.0030.03912.01
5.3.30.0070.04011.97
5.3.20.0100.03211.75
5.3.10.0050.03811.72
5.3.00.0090.04211.71
5.2.170.0040.0449.21
5.2.160.0070.0399.21
5.2.150.0070.0359.20
5.2.140.0050.0329.20
5.2.130.0040.0299.16
5.2.120.0050.0289.16
5.2.110.0040.0319.17
5.2.100.0040.0319.16
5.2.90.0050.0309.17
5.2.80.0050.0319.16
5.2.70.0060.0349.16
5.2.60.0040.0319.12
5.2.50.0040.0319.08
5.2.40.0070.0289.06
5.2.30.0070.0289.04
5.2.20.0030.0319.03
5.2.10.0060.0288.94
5.2.00.0030.0308.79
5.1.60.0040.0248.08
5.1.50.0040.0258.08
5.1.40.0050.0248.06
5.1.30.0040.0268.41
5.1.20.0050.0268.43
5.1.10.0020.0288.15
5.1.00.0060.0308.15
5.0.50.0060.0256.64
5.0.40.0030.0286.50
5.0.30.0050.0356.31
5.0.20.0050.0176.28
5.0.10.0040.0196.25
5.0.00.0040.0316.25
4.4.90.0020.0164.78
4.4.80.0050.0134.75
4.4.70.0010.0174.76
4.4.60.0020.0164.76
4.4.50.0040.0144.77
4.4.40.0030.0254.70
4.4.30.0020.0174.76
4.4.20.0040.0154.84
4.4.10.0030.0164.85
4.4.00.0040.0244.76
4.3.110.0020.0164.67
4.3.100.0030.0154.66
4.3.90.0030.0144.63
4.3.80.0040.0244.58
4.3.70.0030.0154.63
4.3.60.0020.0164.63
4.3.50.0020.0164.63
4.3.40.0030.0254.54
4.3.30.0030.0163.27
4.3.20.0040.0143.25
4.3.10.0040.0143.21
4.3.00.0100.0207.10

preferences:
40.76 ms | 401 KiB | 5 Q