3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = (object)array('123' => '456'); $obj->a = null; print_r($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)
8.3.60.0110.00418.30
8.3.50.0080.01222.01
8.3.40.0210.00018.80
8.3.30.0070.00719.05
8.3.20.0070.00020.38
8.3.10.0040.00420.66
8.3.00.0000.00819.25
8.2.180.0030.01716.75
8.2.170.0070.00722.96
8.2.160.0170.00320.22
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.24
8.2.110.0090.00020.47
8.2.100.0070.00717.97
8.2.90.0000.00819.23
8.2.80.0000.00817.97
8.2.70.0070.00317.50
8.2.60.0040.00417.80
8.2.50.0060.00618.07
8.2.40.0080.00019.81
8.2.30.0000.00818.20
8.2.20.0040.00417.62
8.2.10.0000.00717.94
8.2.00.0050.00317.69
8.1.280.0040.01525.92
8.1.270.0040.00423.96
8.1.260.0000.00726.35
8.1.250.0020.00528.09
8.1.240.0070.00323.96
8.1.230.0070.00318.89
8.1.220.0030.00617.76
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0030.00617.22
8.1.180.0000.00818.10
8.1.170.0000.00818.49
8.1.160.0070.00021.95
8.1.150.0040.00418.74
8.1.140.0030.00517.33
8.1.130.0030.00317.73
8.1.120.0000.00817.34
8.1.110.0000.00717.30
8.1.100.0040.00417.38
8.1.90.0000.00817.40
8.1.80.0000.00717.33
8.1.70.0000.00717.37
8.1.60.0030.00617.48
8.1.50.0040.00417.45
8.1.40.0060.00317.46
8.1.30.0040.00417.57
8.1.20.0040.00417.58
8.1.10.0080.00017.41
8.1.00.0080.00017.39
8.0.300.0000.00818.77
8.0.290.0030.00616.88
8.0.280.0000.00718.46
8.0.270.0030.00317.26
8.0.260.0030.00317.25
8.0.250.0000.00716.92
8.0.240.0000.00617.02
8.0.230.0030.00316.86
8.0.220.0000.00616.81
8.0.210.0000.00716.80
8.0.200.0040.00416.82
8.0.190.0050.00316.88
8.0.180.0030.00316.92
8.0.170.0030.00616.81
8.0.160.0000.00716.89
8.0.150.0030.00316.73
8.0.140.0000.00716.85
8.0.130.0030.00313.41
8.0.120.0050.00316.77
8.0.110.0000.00716.91
8.0.100.0030.00516.77
8.0.90.0000.00716.93
8.0.80.0120.01016.84
8.0.70.0040.00416.99
8.0.60.0070.00016.91
8.0.50.0030.00516.83
8.0.30.0110.00917.14
8.0.20.0100.01117.40
8.0.10.0040.00416.95
8.0.00.0090.00916.77
7.4.330.0060.00015.00
7.4.320.0040.00416.54
7.4.300.0030.00316.58
7.4.290.0080.00016.56
7.4.280.0070.00416.48
7.4.270.0000.00716.50
7.4.260.0070.00016.53
7.4.250.0000.00716.39
7.4.240.0050.00216.55
7.4.230.0040.00416.63
7.4.220.0120.00616.48
7.4.210.0100.01416.61
7.4.200.0000.00716.64
7.4.160.0160.00816.55
7.4.150.0100.00717.40
7.4.140.0130.00417.86
7.4.130.0050.01316.51
7.4.120.0100.01016.34
7.4.110.0070.01016.50
7.4.100.0070.01716.32
7.4.90.0100.01416.54
7.4.80.0060.01019.39
7.4.70.0030.01316.63
7.4.60.0130.01016.52
7.4.50.0000.00916.55
7.4.40.0120.00616.37
7.4.30.0140.00316.70
7.4.00.0040.01114.80
7.3.330.0030.00313.09
7.3.320.0030.00313.18
7.3.310.0030.00316.22
7.3.300.0030.00316.35
7.3.290.0060.00716.35
7.3.280.0050.01016.29
7.3.270.0130.00617.40
7.3.260.0100.00716.56
7.3.250.0130.00816.54
7.3.240.0140.00616.37
7.3.230.0100.00616.55
7.3.210.0160.00616.38
7.3.200.0060.01019.39
7.3.190.0080.00816.61
7.3.180.0040.01416.72
7.3.170.0140.00316.44
7.3.160.0110.00516.67
7.2.330.0060.01316.52
7.2.320.0100.00616.49
7.2.310.0110.00516.52
7.2.300.0100.00716.48
7.2.290.0060.01116.80
7.2.60.0060.00616.97
7.1.200.0060.00615.72
7.1.70.0070.00717.12
7.1.60.0090.01519.32
7.1.50.0030.01016.61
7.1.00.0030.07722.33
7.0.200.0000.00816.86
7.0.140.0000.07722.22
7.0.60.0100.06719.84
7.0.50.0070.05017.97
7.0.40.0070.08020.09
7.0.30.0330.07320.16
7.0.20.0170.04320.09
7.0.10.0130.08320.16
7.0.00.0070.06020.23
5.6.280.0100.06720.93
5.6.210.0030.05720.45
5.6.200.0200.07318.16
5.6.190.0000.05320.52
5.6.180.0130.07320.61
5.6.170.0270.08020.54
5.6.160.0030.04020.52
5.6.150.0100.05018.25
5.6.140.0070.07018.27
5.6.130.0030.06318.17
5.6.120.0030.04320.96
5.6.110.0070.09021.11
5.6.100.0170.07721.11
5.6.90.0070.05721.01
5.6.80.0070.08320.35
5.5.350.0070.08320.33
5.5.340.0000.05717.92
5.5.330.0100.09020.31
5.5.320.0370.07320.23
5.5.310.0200.04020.26
5.5.300.0030.04718.08
5.5.290.0070.08018.01
5.5.280.0100.05320.89
5.5.270.0130.04720.64
5.5.260.0130.06320.86
5.5.250.0070.08720.55
5.5.240.0130.04720.31
5.4.450.0630.03019.31
5.4.440.0400.03719.67
5.4.430.0570.04319.54
5.4.420.0630.00019.52
5.4.410.0630.00019.41
5.4.400.0600.00018.93
5.4.390.0600.00019.21
5.4.380.0830.00019.16
5.4.370.0600.00019.15
5.4.360.0600.00019.11
5.4.350.0630.00019.13
5.4.340.0630.00019.06
5.4.320.0050.03612.48
5.4.310.0080.04112.48
5.4.300.0080.03712.48
5.4.290.0060.04012.48
5.4.280.0060.03712.38
5.4.270.0060.03612.38
5.4.260.0070.03712.38
5.4.250.0100.04012.38
5.4.240.0050.03712.38
5.4.230.0030.04012.37
5.4.220.0050.04512.37
5.4.210.0060.03512.37
5.4.200.0040.03912.37
5.4.190.0070.03712.36
5.4.180.0100.03212.37
5.4.170.0090.03412.38
5.4.160.0060.03612.37
5.4.150.0080.03912.37
5.4.140.0070.04212.05
5.4.130.0050.04512.04
5.4.120.0060.03512.00
5.4.110.0080.03511.99
5.4.100.0100.04012.00
5.4.90.0100.04812.00
5.4.80.0060.03812.00
5.4.70.0070.03911.99
5.4.60.0040.03711.99
5.4.50.0060.03611.99
5.4.40.0110.04511.98
5.4.30.0110.03811.97
5.4.20.0040.03711.98
5.4.10.0110.02911.98
5.4.00.0070.03411.47
5.3.290.0080.03612.80
5.3.280.0100.03412.70
5.3.270.0040.04112.73
5.3.260.0050.03912.72
5.3.250.0090.04812.72
5.3.240.0110.03812.72
5.3.230.0080.03812.71
5.3.220.0080.03612.68
5.3.210.0080.04112.68
5.3.200.0040.03812.68
5.3.190.0100.03312.68
5.3.180.0030.04112.68
5.3.170.0080.03612.67
5.3.160.0060.05312.68
5.3.150.0070.03712.67
5.3.140.0050.03812.66
5.3.130.0060.03912.66
5.3.120.0080.03712.66
5.3.110.0050.04712.66
5.3.100.0090.03612.12
5.3.90.0070.03512.09
5.3.80.0070.03912.08
5.3.70.0070.03812.08
5.3.60.0090.03512.06
5.3.50.0060.03712.01
5.3.40.0070.03512.01
5.3.30.0040.03611.97
5.3.20.0050.03611.75
5.3.10.0060.03411.71
5.3.00.0020.03911.70
5.2.170.0030.0359.21
5.2.160.0050.0309.20
5.2.150.0040.0329.21
5.2.140.0060.0339.20
5.2.130.0060.0319.17
5.2.120.0040.0299.16
5.2.110.0030.0309.17
5.2.100.0070.0279.16
5.2.90.0070.0269.16
5.2.80.0060.0289.16
5.2.70.0040.0319.16
5.2.60.0060.0299.11
5.2.50.0030.0369.09
5.2.40.0080.0279.06
5.2.30.0020.0339.04
5.2.20.0050.0309.03
5.2.10.0060.0278.93
5.2.00.0060.0278.79
5.1.60.0040.0258.08
5.1.50.0040.0258.07
5.1.40.0020.0278.06
5.1.30.0060.0308.41
5.1.20.0040.0268.43
5.1.10.0030.0318.15
5.1.00.0040.0268.15
5.0.50.0070.0176.64
5.0.40.0030.0196.49
5.0.30.0030.0326.30
5.0.20.0030.0216.28
5.0.10.0040.0196.25
5.0.00.0040.0306.24
4.4.90.0020.0174.78
4.4.80.0050.0234.75
4.4.70.0010.0174.75
4.4.60.0010.0174.76
4.4.50.0040.0144.77
4.4.40.0030.0264.71
4.4.30.0050.0174.76
4.4.20.0060.0124.84
4.4.10.0020.0164.85
4.4.00.0020.0254.75
4.3.110.0030.0164.67
4.3.100.0030.0144.66
4.3.90.0010.0164.63
4.3.80.0040.0314.58
4.3.70.0040.0134.63
4.3.60.0020.0184.63
4.3.50.0020.0164.63
4.3.40.0010.0254.54
4.3.30.0020.0193.28
4.3.20.0030.0153.23
4.3.10.0020.0273.19
4.3.00.0070.01713.39

preferences:
39.02 ms | 401 KiB | 5 Q