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run code in 300+ PHP versions simultaneously
<?php $obj = (object)array('apple' => '456'); var_dump($obj); var_dump($obj->{'123'}); // Notice: Undefined property: stdClass::$123 var_dump($obj->{123}); // Notice: Undefined property:stdClass::$123

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)
8.3.40.0140.00318.67
8.3.30.0040.01119.06
8.3.20.0000.00720.34
8.3.10.0040.00420.34
8.3.00.0080.00019.13
8.2.170.0000.01422.96
8.2.160.0040.01120.52
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00422.09
8.2.110.0140.00320.57
8.2.100.0080.00417.84
8.2.90.0050.00319.13
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0100.00017.91
8.2.50.0030.00618.07
8.2.40.0050.00319.88
8.2.30.0070.00017.92
8.2.20.0050.00217.66
8.2.10.0000.00717.98
8.2.00.0080.00017.55
8.1.270.0050.00322.24
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00623.77
8.1.230.0040.00720.97
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00717.21
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0090.00318.53
8.1.160.0000.00821.94
8.1.150.0080.00018.87
8.1.140.0000.00817.38
8.1.130.0030.00317.85
8.1.120.0050.00217.30
8.1.110.0020.00517.31
8.1.100.0000.00717.22
8.1.90.0040.00417.40
8.1.80.0030.00317.44
8.1.70.0040.00417.33
8.1.60.0030.00517.53
8.1.50.0040.00417.41
8.1.40.0040.00417.33
8.1.30.0000.00817.59
8.1.20.0080.00017.62
8.1.10.0030.00617.48
8.1.00.0050.00217.37
8.0.300.0000.00818.77
8.0.290.0050.00217.05
8.0.280.0040.00418.31
8.0.270.0000.00717.05
8.0.260.0040.00417.24
8.0.250.0060.00016.84
8.0.240.0060.00016.94
8.0.230.0000.00716.93
8.0.220.0070.00016.85
8.0.210.0000.00716.92
8.0.200.0070.00016.99
8.0.190.0000.00816.93
8.0.180.0040.00416.77
8.0.170.0040.00416.95
8.0.160.0050.00316.87
8.0.150.0070.00016.75
8.0.140.0050.00316.81
8.0.130.0050.00013.27
8.0.120.0040.00416.75
8.0.110.0030.00316.77
8.0.100.0000.00716.89
8.0.90.0070.00016.77
8.0.80.0060.00916.88
8.0.70.0000.00816.82
8.0.60.0040.00416.73
8.0.50.0040.00416.94
8.0.30.0180.00616.90
8.0.20.0160.00417.40
8.0.10.0040.00417.05
8.0.00.0060.01016.77
7.4.330.0000.00515.03
7.4.320.0000.00616.36
7.4.300.0020.00516.44
7.4.290.0040.00416.45
7.4.280.0030.00516.43
7.4.270.0040.00416.53
7.4.260.0000.00716.56
7.4.250.0050.00316.50
7.4.240.0030.00316.44
7.4.230.0030.00316.42
7.4.220.0130.00616.53
7.4.210.0070.00716.47
7.4.200.0000.00816.61
7.4.160.0070.01016.50
7.4.150.0190.00917.40
7.4.140.0130.00417.86
7.4.130.0100.00716.48
7.4.120.0110.01316.38
7.4.110.0070.01016.59
7.4.100.0060.01916.60
7.4.90.0030.01416.36
7.4.80.0110.00619.39
7.4.70.0110.00716.51
7.4.60.0160.00316.42
7.4.50.0040.00416.31
7.4.40.0090.00916.57
7.4.30.0060.01216.44
7.4.00.0000.01615.05
7.3.330.0050.00012.98
7.3.320.0000.00512.93
7.3.310.0030.00316.13
7.3.300.0000.00716.18
7.3.290.0000.01416.14
7.3.280.0060.00916.22
7.3.270.0090.01117.40
7.3.260.0070.01016.22
7.3.250.0120.00816.20
7.3.240.0100.00716.15
7.3.230.0130.01016.39
7.3.210.0090.00916.18
7.3.200.0090.01219.39
7.3.190.0090.01216.35
7.3.180.0100.00616.32
7.3.170.0100.00616.27
7.3.160.0120.00816.23
7.2.330.0110.00816.78
7.2.320.0100.01016.61
7.2.310.0060.01216.62
7.2.300.0070.01016.59
7.2.290.0060.01016.73
7.2.00.0110.01118.87
7.1.100.0220.00316.11
7.1.70.0040.00417.13
7.1.60.0060.01619.32
7.1.50.0140.01016.73
7.1.00.0030.07722.40
7.0.200.0060.00316.80
7.0.140.0000.05322.02
7.0.60.0170.08020.07
7.0.50.0130.07317.91
7.0.40.0070.04020.00
7.0.30.0230.07020.21
7.0.20.0370.07320.18
7.0.10.0130.08720.20
7.0.00.0000.04320.00
5.6.280.0100.06721.02
5.6.210.0000.04320.52
5.6.200.0100.07718.18
5.6.190.0000.05020.43
5.6.180.0400.03720.39
5.6.170.0400.05320.50
5.6.160.0100.06720.44
5.6.150.0070.08318.11
5.6.140.0130.07318.17
5.6.130.0000.04318.08
5.6.120.0200.07321.09
5.6.110.0070.04020.98
5.6.100.0100.07320.96
5.6.90.0130.08020.99
5.6.80.0070.06020.50
5.5.350.0130.09020.32
5.5.340.0130.05318.02
5.5.330.0070.05020.56
5.5.320.0400.06720.27
5.5.310.0370.07320.18
5.5.300.0130.08018.02
5.5.290.0100.07718.00
5.5.280.0070.07320.68
5.5.270.0170.04020.95
5.5.260.0070.04020.89
5.5.250.0100.06320.57
5.5.240.0100.06720.28
5.4.450.0230.04319.24
5.4.440.0730.04719.41
5.4.430.0330.04719.41
5.4.420.0630.00019.48
5.4.410.0630.00019.25
5.4.400.0600.00019.01
5.4.390.0670.00019.15
5.4.380.0630.00019.06
5.4.370.0600.00019.18
5.4.360.0600.00019.26
5.4.350.0630.00019.16
5.4.340.0600.00018.93
5.4.320.0070.03612.45
5.4.310.0090.03712.45
5.4.300.0060.03712.45
5.4.290.0060.03912.45
5.4.280.0070.03512.35
5.4.270.0080.03412.35
5.4.260.0060.03812.35
5.4.250.0050.03812.35
5.4.240.0050.03712.35
5.4.230.0080.03612.34
5.4.220.0020.04112.34
5.4.210.0100.03212.34
5.4.200.0040.03912.34
5.4.190.0080.03312.34
5.4.180.0080.03712.34
5.4.170.0080.03412.35
5.4.160.0050.03712.34
5.4.150.0030.03912.34
5.4.140.0060.03612.02
5.4.130.0080.03412.01
5.4.120.0070.03511.97
5.4.110.0050.03611.97
5.4.100.0080.03711.97
5.4.90.0080.03711.97
5.4.80.0030.03911.96
5.4.70.0070.03511.96
5.4.60.0080.04311.96
5.4.50.0060.03711.96
5.4.40.0090.04111.95
5.4.30.0030.03911.95
5.4.20.0050.03811.95
5.4.10.0070.03411.95
5.4.00.0050.03711.43
5.3.290.0070.03912.80
5.3.280.0060.03812.71
5.3.270.0080.04412.72
5.3.260.0110.03312.72
5.3.250.0060.03812.72
5.3.240.0050.04212.72
5.3.230.0110.03612.71
5.3.220.0080.04212.68
5.3.210.0060.03812.68
5.3.200.0080.03512.68
5.3.190.0050.03912.68
5.3.180.0100.03312.67
5.3.170.0100.03412.67
5.3.160.0070.03812.67
5.3.150.0110.03412.68
5.3.140.0070.03712.66
5.3.130.0070.03812.66
5.3.120.0070.03912.66
5.3.110.0060.04012.66
5.3.100.0040.04012.12
5.3.90.0040.03812.09
5.3.80.0070.03512.07
5.3.70.0080.03512.07
5.3.60.0050.03712.06
5.3.50.0050.03712.00
5.3.40.0070.03512.00
5.3.30.0070.03411.94
5.3.20.0060.03611.72
5.3.10.0050.03511.69
5.3.00.0050.03711.67
5.2.170.0050.0319.18
5.2.160.0040.0329.18
5.2.150.0050.0309.18
5.2.140.0030.0329.17
5.2.130.0060.0279.13
5.2.120.0060.0279.14
5.2.110.0060.0289.14
5.2.100.0050.0289.14
5.2.90.0040.0299.14
5.2.80.0050.0299.13
5.2.70.0040.0319.14
5.2.60.0020.0339.09
5.2.50.0040.0319.05
5.2.40.0030.0309.04
5.2.30.0040.0309.01
5.2.20.0060.0278.99
5.2.10.0010.0328.93
5.2.00.0040.0308.79
5.1.60.0050.0248.08
5.1.50.0030.0268.07
5.1.40.0040.0258.06
5.1.30.0030.0278.40
5.1.20.0040.0278.43
5.1.10.0020.0288.15
5.1.00.0040.0258.14
5.0.50.0020.0226.63
5.0.40.0010.0216.48
5.0.30.0020.0326.30
5.0.20.0030.0196.27
5.0.10.0010.0226.25
5.0.00.0020.0326.24
4.4.90.0020.0164.78
4.4.80.0030.0154.75
4.4.70.0030.0154.75
4.4.60.0040.0144.75
4.4.50.0020.0164.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0020.0164.85
4.4.10.0040.0144.85
4.4.00.0020.0304.76
4.3.110.0000.0184.67
4.3.100.0030.0144.66
4.3.90.0040.0144.64
4.3.80.0020.0254.59
4.3.70.0050.0124.63
4.3.60.0010.0154.63
4.3.50.0030.0164.63
4.3.40.0040.0234.54
4.3.30.0020.0163.28
4.3.20.0040.0153.23
4.3.10.0020.0163.20
4.3.00.0100.01313.34

preferences:
39.47 ms | 400 KiB | 5 Q