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), ${'123'})? 'true':'false'; echo property_exists(get_class($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)
8.3.60.0110.00418.58
8.3.50.0110.00921.98
8.3.40.0070.00718.96
8.3.30.0070.00719.09
8.3.20.0070.00020.13
8.3.10.0030.00520.65
8.3.00.0040.00419.26
8.2.180.0120.00916.88
8.2.170.0170.00022.96
8.2.160.0140.00420.30
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00422.06
8.2.110.0000.00820.35
8.2.100.0130.00017.84
8.2.90.0030.00619.23
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0040.00417.90
8.2.50.0060.00318.07
8.2.40.0060.00319.85
8.2.30.0040.00418.13
8.2.20.0000.00817.81
8.2.10.0040.00417.98
8.2.00.0000.00717.68
8.1.280.0120.00625.92
8.1.270.0080.00023.83
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00323.67
8.1.230.0040.00719.28
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.22
8.1.180.0080.00018.10
8.1.170.0050.00318.50
8.1.160.0070.00021.95
8.1.150.0000.00818.68
8.1.140.0060.00317.38
8.1.130.0000.00717.87
8.1.120.0000.00717.46
8.1.110.0040.00317.32
8.1.100.0000.00717.28
8.1.90.0000.00717.37
8.1.80.0030.00617.29
8.1.70.0030.00317.32
8.1.60.0080.00017.47
8.1.50.0030.00617.37
8.1.40.0030.00517.29
8.1.30.0040.00417.50
8.1.20.0050.00317.57
8.1.10.0000.00817.45
8.1.00.0050.00317.45
8.0.300.0070.00018.77
8.0.290.0000.00716.88
8.0.280.0000.00718.43
8.0.270.0000.00717.20
8.0.260.0030.00317.21
8.0.250.0070.00017.02
8.0.240.0080.00016.91
8.0.230.0000.00716.90
8.0.220.0030.00316.79
8.0.210.0100.00016.88
8.0.200.0040.00416.98
8.0.190.0040.00416.87
8.0.180.0050.00216.90
8.0.170.0000.00816.84
8.0.160.0000.00716.79
8.0.150.0000.00716.73
8.0.140.0070.00016.76
8.0.130.0000.00613.28
8.0.120.0000.00816.89
8.0.110.0000.00716.89
8.0.100.0000.00716.84
8.0.90.0040.00416.89
8.0.80.0000.01416.79
8.0.70.0040.00416.79
8.0.60.0000.00717.01
8.0.50.0070.00016.67
8.0.30.0080.01117.06
8.0.20.0100.01217.40
8.0.10.0000.00717.07
8.0.00.0110.00716.59
7.4.330.0020.00215.16
7.4.320.0030.00316.42
7.4.300.0060.00016.58
7.4.290.0000.00716.55
7.4.280.0060.00616.45
7.4.270.0030.00516.59
7.4.260.0050.00216.43
7.4.250.0040.00416.48
7.4.240.0020.00516.52
7.4.230.0030.00316.28
7.4.220.0090.00616.58
7.4.210.0030.01116.63
7.4.200.0000.00716.63
7.4.160.0060.01216.43
7.4.150.0120.00917.40
7.4.140.0090.00917.86
7.4.130.0050.01216.54
7.4.120.0090.00816.50
7.4.110.0110.00616.59
7.4.100.0070.01516.21
7.4.90.0070.01016.54
7.4.80.0110.00619.39
7.4.70.0070.01016.50
7.4.60.0030.01316.38
7.4.50.0030.00516.31
7.4.40.0120.00816.38
7.4.30.0110.00716.38
7.4.00.0000.01414.78
7.3.330.0000.00513.07
7.3.320.0030.00213.23
7.3.310.0040.00416.16
7.3.300.0000.00716.29
7.3.290.0130.00016.32
7.3.280.0090.00916.36
7.3.270.0140.00617.40
7.3.260.0110.00516.57
7.3.250.0100.00716.29
7.3.240.0100.01716.32
7.3.230.0080.00816.39
7.3.210.0030.01316.35
7.3.200.0140.00619.39
7.3.190.0160.00316.59
7.3.180.0120.00916.33
7.3.170.0060.00916.52
7.3.160.0070.00716.35
7.3.10.0110.00715.91
7.3.00.0100.00716.33
7.2.330.0090.00916.73
7.2.320.0040.01216.68
7.2.310.0050.01116.44
7.2.300.0060.01016.52
7.2.290.0100.00716.70
7.2.130.0110.00716.39
7.2.120.0060.01416.26
7.2.110.0210.00316.30
7.2.100.0120.00616.20
7.2.90.0110.00616.61
7.2.80.0150.00016.32
7.2.70.0150.00416.48
7.2.60.0170.00216.80
7.2.50.0120.00916.76
7.2.40.0120.00616.49
7.2.30.0110.01216.54
7.2.20.0130.01316.21
7.2.10.0170.00916.66
7.2.00.0130.00716.80
7.1.250.0070.00715.38
7.1.200.0100.00015.55
7.1.70.0000.00717.27
7.1.60.0110.00417.32
7.1.50.0060.01017.07
7.1.00.0000.08022.57
7.0.200.0000.01416.75
7.0.140.0070.07022.00
7.0.60.0030.04019.89
7.0.50.0100.08017.87
7.0.40.0230.06320.15
7.0.30.0200.06020.07
7.0.20.0200.05320.26
7.0.10.0270.05320.33
7.0.00.0070.08020.16
5.6.280.0130.06320.86
5.6.210.0170.04320.72
5.6.200.0130.07318.23
5.6.190.0070.04320.67
5.6.180.0230.04020.55
5.6.170.0270.06720.48
5.6.160.0130.07720.39
5.6.150.0200.04318.19
5.6.140.0070.08318.23
5.6.130.0070.08318.18
5.6.120.0030.04721.09
5.6.110.0070.07020.98
5.6.100.0200.07320.95
5.6.90.0030.09021.13
5.6.80.0130.07720.40
5.5.350.0130.06320.52
5.5.340.0030.04017.98
5.5.330.0030.07320.40
5.5.320.0470.06720.23
5.5.310.0330.05020.36
5.5.300.0170.08017.96
5.5.290.0130.03317.94
5.5.280.0170.07020.98
5.5.270.0070.04320.76
5.5.260.0100.08020.76
5.5.250.0000.06320.62
5.5.240.2830.04020.15
5.4.450.0900.03719.42
5.4.440.0430.04019.16
5.4.430.0970.02719.19
5.4.420.0630.00019.55
5.4.410.0630.00019.43
5.4.400.0600.00019.07
5.4.390.0630.00018.98
5.4.380.0630.00019.11
5.4.370.0600.00019.14
5.4.360.0600.00019.01
5.4.350.0630.00019.07
5.4.340.0600.00019.06
5.4.320.0120.03312.48
5.4.310.0110.03412.48
5.4.300.0070.03712.48
5.4.290.0070.03812.48
5.4.280.0100.04212.38
5.4.270.0060.04512.38
5.4.260.0070.03712.38
5.4.250.0080.03612.38
5.4.240.0110.03312.38
5.4.230.0080.04112.37
5.4.220.0060.04312.37
5.4.210.0050.03912.37
5.4.200.0080.03912.37
5.4.190.0070.03612.36
5.4.180.0070.03712.36
5.4.170.0090.03412.38
5.4.160.0090.03412.38
5.4.150.0070.03812.37
5.4.140.0040.03912.05
5.4.130.0050.03612.04
5.4.120.0040.03612.00
5.4.110.0080.03312.00
5.4.100.0070.03811.99
5.4.90.0070.03611.99
5.4.80.0080.04412.00
5.4.70.0070.03411.99
5.4.60.0090.03411.99
5.4.50.0060.04211.99
5.4.40.0060.03411.98
5.4.30.0040.04011.98
5.4.20.0070.04311.98
5.4.10.0080.03411.98
5.4.00.0080.03311.47
5.3.290.0040.04112.80
5.3.280.0050.03812.71
5.3.270.0030.04312.73
5.3.260.0080.04012.72
5.3.250.0080.04012.72
5.3.240.0050.04012.72
5.3.230.0070.04112.71
5.3.220.0070.03912.68
5.3.210.0100.04812.68
5.3.200.0080.04312.68
5.3.190.0110.05312.67
5.3.180.0090.03712.67
5.3.170.0130.03512.67
5.3.160.0060.04212.67
5.3.150.0070.04012.68
5.3.140.0080.04912.66
5.3.130.0080.03812.66
5.3.120.0090.03912.66
5.3.110.0070.03812.66
5.3.100.0080.05012.12
5.3.90.0100.05012.09
5.3.80.0060.05212.08
5.3.70.0060.03812.08
5.3.60.0090.03312.06
5.3.50.0090.03412.01
5.3.40.0040.03912.01
5.3.30.0090.04011.97
5.3.20.0100.03311.75
5.3.10.0050.03611.72
5.3.00.0040.03911.70
5.2.170.0060.0309.20
5.2.160.0060.0299.21
5.2.150.0060.0299.21
5.2.140.0040.0319.20
5.2.130.0030.0309.16
5.2.120.0030.0309.16
5.2.110.0040.0309.17
5.2.100.0050.0289.17
5.2.90.0030.0329.17
5.2.80.0070.0289.16
5.2.70.0040.0329.16
5.2.60.0060.0309.11
5.2.50.0060.0299.09
5.2.40.0060.0289.06
5.2.30.0060.0309.04
5.2.20.0070.0349.03
5.2.10.0040.0308.94
5.2.00.0060.0298.79
5.1.60.0040.0248.07
5.1.50.0080.0218.07
5.1.40.0040.0248.05
5.1.30.0070.0238.41
5.1.20.0040.0278.43
5.1.10.0040.0268.15
5.1.00.0050.0258.16
5.0.50.0050.0186.64
5.0.40.0060.0176.49
5.0.30.0040.0316.31
5.0.20.0030.0206.27
5.0.10.0020.0216.25
5.0.00.0050.0296.24
4.4.90.0030.0154.78
4.4.80.0020.0164.75
4.4.70.0020.0164.76
4.4.60.0000.0184.75
4.4.50.0030.0154.77
4.4.40.0040.0294.71
4.4.30.0020.0164.76
4.4.20.0010.0174.84
4.4.10.0040.0144.85
4.4.00.0050.0234.75
4.3.110.0030.0154.67
4.3.100.0030.0154.67
4.3.90.0040.0144.63
4.3.80.0040.0264.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0010.0254.54
4.3.30.0000.0183.28
4.3.20.0040.0203.24
4.3.10.0040.0153.21
4.3.00.0000.04313.51

preferences:
42.44 ms | 401 KiB | 5 Q