3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = (object)array('123a' => '456'); print_r($obj); if (!property_exists($obj,'123a')) echo 'property 123a does not exist',"\n"; echo !isset($obj->{'123a'})? 'property 123a is null' : $obj->{'123a'}, "\n";

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)
8.3.60.0040.01118.43
8.3.50.0170.00016.55
8.3.40.0110.00418.84
8.3.30.0070.00719.09
8.3.20.0040.00420.37
8.3.10.0040.00423.65
8.3.00.0040.00419.26
8.2.180.0070.00716.63
8.2.170.0100.00322.96
8.2.160.0110.00420.32
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0070.00022.29
8.2.110.0030.00622.07
8.2.100.0050.00517.63
8.2.90.0000.00719.23
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0090.00017.91
8.2.50.0030.00518.07
8.2.40.0040.00418.22
8.2.30.0030.00518.05
8.2.20.0050.00317.67
8.2.10.0040.00418.05
8.2.00.0040.00417.73
8.1.280.0120.00625.92
8.1.270.0090.00022.05
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00324.01
8.1.230.0040.00819.14
8.1.220.0050.00317.74
8.1.210.0090.00018.77
8.1.200.0040.00417.23
8.1.190.0040.00417.13
8.1.180.0040.00418.10
8.1.170.0000.00918.70
8.1.160.0070.00022.02
8.1.150.0000.00718.89
8.1.140.0040.00417.49
8.1.130.0040.00417.70
8.1.120.0070.00017.36
8.1.110.0040.00417.38
8.1.100.0050.00217.33
8.1.90.0040.00417.41
8.1.80.0050.00217.49
8.1.70.0000.00817.41
8.1.60.0030.00617.47
8.1.50.0030.00617.41
8.1.40.0000.00717.47
8.1.30.0040.00417.63
8.1.20.0000.00717.72
8.1.10.0040.00417.37
8.1.00.0040.00417.48
8.0.300.0040.00418.77
8.0.290.0030.00516.88
8.0.280.0000.00718.52
8.0.270.0000.00717.16
8.0.260.0000.00617.16
8.0.250.0030.00316.99
8.0.240.0040.00417.01
8.0.230.0030.00317.05
8.0.220.0030.00617.02
8.0.210.0050.00316.97
8.0.200.0070.00016.90
8.0.190.0000.01017.06
8.0.180.0070.00017.01
8.0.170.0030.00616.86
8.0.160.0000.00916.98
8.0.150.0040.00316.82
8.0.140.0000.00716.95
8.0.130.0000.00613.44
8.0.120.0000.00816.84
8.0.110.0060.00316.91
8.0.100.0000.00717.02
8.0.90.0040.00416.77
8.0.80.0130.00316.93
8.0.70.0030.00516.95
8.0.60.0040.00416.89
8.0.50.0040.00416.76
8.0.30.0110.01117.09
8.0.20.0130.00617.40
8.0.10.0020.00516.95
8.0.00.0080.00916.79
7.4.330.0000.00615.06
7.4.320.0030.00316.44
7.4.300.0000.00616.58
7.4.290.0040.00416.59
7.4.280.0040.00316.50
7.4.270.0030.00316.50
7.4.260.0000.01016.48
7.4.250.0040.00416.50
7.4.240.0060.00216.43
7.4.230.0000.00716.33
7.4.220.0120.01016.64
7.4.210.0070.00716.41
7.4.200.0030.00316.62
7.4.160.0150.00016.51
7.4.150.0090.00817.40
7.4.140.0110.00717.86
7.4.130.0120.00516.46
7.4.120.0130.00416.51
7.4.110.0070.01616.36
7.4.100.0140.00716.37
7.4.90.0140.00316.36
7.4.80.0170.00819.39
7.4.70.0100.00716.41
7.4.60.0100.00716.48
7.4.50.0080.00016.34
7.4.40.0130.00316.22
7.4.30.0030.01316.42
7.4.00.0140.00414.80
7.3.330.0050.00012.96
7.3.320.0030.00312.94
7.3.310.0020.00516.28
7.3.300.0000.00716.25
7.3.290.0090.00616.21
7.3.280.0060.00916.17
7.3.270.0120.00617.40
7.3.260.0100.00716.36
7.3.250.0090.00916.22
7.3.240.0140.00416.31
7.3.230.0120.00616.39
7.3.210.0030.01416.31
7.3.200.0090.02119.39
7.3.190.0100.00616.14
7.3.180.0090.00616.48
7.3.170.0030.01416.40
7.3.160.0060.00916.31
7.3.10.0000.01215.92
7.3.00.0030.00716.19
7.2.330.0080.00816.45
7.2.320.0060.01016.61
7.2.310.0000.01616.57
7.2.300.0000.01716.52
7.2.290.0070.01716.58
7.2.130.0050.00516.63
7.2.120.0030.01016.77
7.2.110.0000.01116.91
7.2.100.0000.01316.52
7.2.90.0080.00816.98
7.2.80.0110.01016.63
7.2.70.0160.00816.63
7.2.60.0150.00916.70
7.2.50.0140.00616.48
7.2.40.0100.01316.45
7.2.30.0130.01016.56
7.2.20.0070.01116.52
7.2.10.0070.01016.50
7.2.00.0120.00416.94
7.1.250.0060.00615.30
7.1.100.0070.00417.98
7.1.70.0060.00317.22
7.1.60.0070.01619.11
7.1.50.0060.01616.84
7.1.00.0030.07722.34
7.0.200.0030.00516.88
7.0.140.0070.07021.95
7.0.60.0200.07319.93
7.0.50.0070.05017.66
7.0.40.0130.07720.09
7.0.30.0470.07720.09
7.0.20.0270.08020.04
7.0.10.0130.08020.09
7.0.00.0130.08020.20
5.6.280.0030.07321.10
5.6.210.0100.08320.76
5.6.200.0130.07718.13
5.6.190.0070.04720.68
5.6.180.0200.05020.41
5.6.170.0200.08020.71
5.6.160.0170.06020.48
5.6.150.0070.08018.08
5.6.140.0030.04018.12
5.6.130.0030.04018.18
5.6.120.0000.04320.92
5.6.110.0100.08021.11
5.6.100.0170.06320.88
5.6.90.0030.05721.07
5.6.80.0070.08020.50
5.5.350.0130.07020.36
5.5.340.0030.04317.88
5.5.330.0030.07020.15
5.5.320.0300.05320.18
5.5.310.0200.06720.30
5.5.300.0070.08318.02
5.5.290.0100.04718.00
5.5.280.0070.08020.93
5.5.270.0030.04020.60
5.5.260.0230.05720.72
5.5.250.0070.04020.61
5.5.240.0300.06720.06
5.4.450.0870.05019.51
5.4.440.0130.05319.27
5.4.430.0600.06019.47
5.4.420.0670.00019.25
5.4.410.0700.00019.17
5.4.400.0630.00018.86
5.4.390.0600.00018.96
5.4.380.0630.00019.05
5.4.370.0630.00019.06
5.4.360.0600.00019.06
5.4.350.0630.00019.07
5.4.340.0050.03511.97
5.4.320.0050.03712.46
5.4.310.0090.03412.45
5.4.300.0060.03612.45
5.4.290.0060.03712.45
5.4.280.0040.03612.35
5.4.270.0060.03612.35
5.4.260.0060.04312.35
5.4.250.0050.04112.35
5.4.240.0030.04112.35
5.4.230.0070.03512.34
5.4.220.0040.04312.34
5.4.210.0080.03712.34
5.4.200.0090.03712.34
5.4.190.0080.04212.34
5.4.180.0070.04012.34
5.4.170.0040.04112.35
5.4.160.0070.03812.35
5.4.150.0090.03512.34
5.4.140.0070.03512.03
5.4.130.0080.03312.01
5.4.120.0070.03511.97
5.4.110.0070.03411.97
5.4.100.0030.03711.96
5.4.90.0060.03911.97
5.4.80.0030.04311.97
5.4.70.0040.03611.96
5.4.60.0070.03311.96
5.4.50.0060.03311.96
5.4.40.0050.04711.95
5.4.30.0030.03711.95
5.4.20.0040.03511.95
5.4.10.0040.03611.95
5.4.00.0060.03511.43
5.3.290.0090.03512.80
5.3.280.0030.04012.71
5.3.270.0100.03412.72
5.3.260.0090.03412.71
5.3.250.0100.04312.72
5.3.240.0020.04712.72
5.3.230.0080.03512.71
5.3.220.0070.03812.68
5.3.210.0080.03612.68
5.3.200.0080.03412.68
5.3.190.0110.03212.68
5.3.180.0060.03612.68
5.3.170.0070.03412.67
5.3.160.0100.03112.68
5.3.150.0070.03712.68
5.3.140.0100.03412.66
5.3.130.0080.03512.66
5.3.120.0060.03712.66
5.3.110.0060.03712.66
5.3.100.0040.03812.11
5.3.90.0060.03412.09
5.3.80.0060.03512.08
5.3.70.0020.03912.07
5.3.60.0050.03612.07
5.3.50.0050.03612.00
5.3.40.0050.03612.00
5.3.30.0070.03311.94
5.3.20.0080.03911.72
5.3.10.0050.03411.69
5.3.00.0100.03911.68
5.2.170.0080.0339.18
5.2.160.0060.0279.18
5.2.150.0020.0339.17
5.2.140.0040.0319.17
5.2.130.0030.0299.14
5.2.120.0050.0329.13
5.2.110.0060.0309.14
5.2.100.0040.0299.14
5.2.90.0050.0299.14
5.2.80.0020.0329.13
5.2.70.0060.0299.14
5.2.60.0060.0299.09
5.2.50.0050.0309.05
5.2.40.0030.0309.03
5.2.30.0020.0329.01
5.2.20.0040.0299.00
5.2.10.0040.0328.92
5.2.00.0050.0278.78
5.1.60.0060.0328.06
5.1.50.0010.0288.05
5.1.40.0020.0258.04
5.1.30.0040.0318.39
5.1.20.0050.0258.41
5.1.10.0070.0288.13
5.1.00.0050.0308.14
5.0.50.0060.0176.62
5.0.40.0020.0206.48
5.0.30.0050.0296.29
5.0.20.0050.0176.26
5.0.10.0060.0206.24
5.0.00.0050.0306.23
4.4.90.0030.0144.78
4.4.80.0020.0154.76
4.4.70.0010.0164.76
4.4.60.0040.0194.75
4.4.50.0040.0184.77
4.4.40.0020.0284.70
4.4.30.0020.0214.76
4.4.20.0040.0134.84
4.4.10.0010.0174.85
4.4.00.0080.0214.76
4.3.110.0020.0204.67
4.3.100.0040.0174.67
4.3.90.0080.0124.63
4.3.80.0030.0234.58
4.3.70.0030.0134.63
4.3.60.0050.0164.63
4.3.50.0020.0154.63
4.3.40.0040.0224.54
4.3.30.0000.0173.28
4.3.20.0020.0163.25
4.3.10.0020.0153.22
4.3.00.0000.0237.20

preferences:
50.1 ms | 400 KiB | 5 Q