3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = (object)array('123a' => '456'); var_dump($obj); if (!property_exists($obj,'123a')) { echo '123a does not exist',"\n"; } echo !isset($obj->{'123a'})? '123a is null' : $obj->{'123a'}; echo "\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)
8.3.60.0180.00318.43
8.3.50.0130.00821.11
8.3.40.0120.00318.73
8.3.30.0070.00719.08
8.3.20.0030.00520.16
8.3.10.0040.00423.66
8.3.00.0050.00319.38
8.2.180.0120.00316.50
8.2.170.0070.00722.96
8.2.160.0110.00320.32
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0070.00022.23
8.2.110.0050.00521.00
8.2.100.0090.00317.83
8.2.90.0040.00419.05
8.2.80.0050.00317.97
8.2.70.0080.00017.63
8.2.60.0030.00617.68
8.2.50.0030.00518.10
8.2.40.0000.00720.61
8.2.30.0000.00721.09
8.2.20.0080.00017.73
8.2.10.0030.00518.11
8.2.00.0030.00617.85
8.1.280.0070.01325.92
8.1.270.0060.00322.01
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00621.16
8.1.230.0090.00317.82
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0080.00017.23
8.1.180.0070.00018.10
8.1.170.0080.00018.66
8.1.160.0040.00418.88
8.1.150.0050.00318.77
8.1.140.0040.00417.48
8.1.130.0000.00717.88
8.1.120.0080.00017.43
8.1.110.0040.00417.47
8.1.100.0050.00217.42
8.1.90.0040.00417.39
8.1.80.0030.00317.38
8.1.70.0030.00317.44
8.1.60.0040.00417.46
8.1.50.0000.00717.49
8.1.40.0060.00317.41
8.1.30.0080.00017.54
8.1.20.0000.00817.56
8.1.10.0000.00817.47
8.1.00.0070.00017.46
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0040.00418.37
8.0.270.0050.00317.30
8.0.260.0070.00017.30
8.0.250.0030.00317.08
8.0.240.0070.00317.06
8.0.230.0030.00316.99
8.0.220.0000.00716.91
8.0.210.0000.00716.88
8.0.200.0030.00716.98
8.0.190.0000.00717.05
8.0.180.0040.00416.87
8.0.170.0090.00016.89
8.0.160.0000.00716.87
8.0.150.0070.00016.96
8.0.140.0050.00316.90
8.0.130.0030.00313.36
8.0.120.0040.00416.89
8.0.110.0050.00316.91
8.0.100.0070.00016.86
8.0.90.0000.00816.79
8.0.80.0120.00316.94
8.0.70.0000.00816.75
8.0.60.0070.00016.98
8.0.50.0040.00417.04
8.0.30.0120.01016.93
8.0.20.0060.01417.40
8.0.10.0040.00417.14
8.0.00.0100.00816.84
7.4.330.0000.00515.00
7.4.320.0070.00016.59
7.4.300.0000.00616.64
7.4.290.0070.00016.55
7.4.280.0000.00816.59
7.4.270.0070.00016.49
7.4.260.0100.00016.61
7.4.250.0040.00416.32
7.4.240.0020.00516.43
7.4.230.0000.00716.50
7.4.220.0070.01116.50
7.4.210.0100.00316.57
7.4.200.0030.00316.65
7.4.160.0130.00316.50
7.4.150.0130.00717.40
7.4.140.0110.00917.86
7.4.130.0090.00916.48
7.4.120.0100.00716.60
7.4.110.0030.01416.61
7.4.100.0070.01016.45
7.4.90.0180.00316.43
7.4.80.0120.00619.39
7.4.70.0160.00016.35
7.4.60.0070.01016.55
7.4.50.0040.00416.51
7.4.40.0120.00316.34
7.4.30.0130.00516.25
7.4.00.0050.01314.82
7.3.330.0000.00513.00
7.3.320.0030.00312.97
7.3.310.0040.00416.26
7.3.300.0030.00316.21
7.3.290.0070.00716.31
7.3.280.0100.00716.23
7.3.270.0090.01217.40
7.3.260.0110.00716.27
7.3.250.0080.00916.37
7.3.240.0120.00616.37
7.3.230.0040.01416.45
7.3.210.0060.00916.45
7.3.200.0030.01819.39
7.3.190.0130.00316.40
7.3.180.0060.00916.53
7.3.170.0090.00616.27
7.3.160.0150.00616.46
7.3.120.0040.01514.50
7.3.110.0070.01014.74
7.3.100.0000.01414.73
7.3.90.0090.00314.95
7.3.80.0060.00614.82
7.3.70.0090.00614.89
7.3.60.0000.01314.63
7.3.50.0030.01014.73
7.3.40.0040.01114.53
7.3.30.0060.00614.81
7.3.20.0030.00716.73
7.3.10.0100.00716.70
7.3.00.0100.00316.68
7.2.330.0160.00016.36
7.2.320.0130.00316.65
7.2.310.0110.00716.68
7.2.300.0090.00616.29
7.2.290.0070.01616.65
7.2.250.0060.01215.20
7.2.240.0200.00014.89
7.2.230.0100.00315.02
7.2.220.0060.00914.80
7.2.210.0110.00414.99
7.2.200.0060.00315.00
7.2.190.0040.01215.04
7.2.180.0030.01315.07
7.2.170.0040.00815.04
7.1.330.0000.01215.76
7.1.320.0070.00716.05
7.1.310.0030.01015.46
7.1.300.0080.00415.99
7.1.290.0060.00315.74
7.1.280.0070.01015.80
7.1.270.0040.00715.97
7.1.260.0030.00715.79
7.1.70.0000.00817.25
7.1.60.0090.01619.11
7.1.50.0160.00334.59
7.1.00.0100.07022.57
7.0.200.0030.00316.71
7.0.140.0130.06322.09
7.0.60.0000.07019.93
7.0.50.0030.08317.82
7.0.40.0070.09020.00
7.0.30.0230.05320.18
7.0.20.0200.05019.95
7.0.10.0070.08020.09
7.0.00.0070.08320.08
5.6.280.0100.06721.04
5.6.210.0070.06020.52
5.6.200.0070.04718.23
5.6.190.0030.08720.57
5.6.180.0200.07020.27
5.6.170.0230.03720.47
5.6.160.0200.06320.52
5.6.150.0070.08018.07
5.6.140.0030.04018.11
5.6.130.0030.05718.11
5.6.120.0030.04321.09
5.6.110.0100.08320.98
5.6.100.0170.05321.10
5.6.90.0100.06320.93
5.6.80.0030.07320.28
5.5.350.3000.04720.44
5.5.340.0130.07717.92
5.5.330.0070.06320.19
5.5.320.0370.07320.18
5.5.310.0270.04320.21
5.5.300.0030.08717.89
5.5.290.0070.06717.95
5.5.280.0070.07720.76
5.5.270.0100.05720.96
5.5.260.0070.05720.79
5.5.250.0100.07320.54
5.5.240.0130.03320.14
5.4.450.0070.06019.25
5.4.440.0330.05719.60
5.4.430.0070.05719.27
5.4.420.0670.00019.52
5.4.410.0670.00019.35
5.4.400.0600.00018.96
5.4.390.0600.00019.16
5.4.380.0670.00019.07
5.4.370.0630.00019.09
5.4.360.0730.00019.00
5.4.350.0670.00018.92
5.4.340.0050.03511.97
5.4.320.0080.03412.45
5.4.310.0050.03812.45
5.4.300.0080.03312.46
5.4.290.0040.03912.45
5.4.280.0050.03512.35
5.4.270.0100.03112.35
5.4.260.0050.03812.35
5.4.250.0100.03312.35
5.4.240.0090.03312.35
5.4.230.0030.04012.34
5.4.220.0070.03512.34
5.4.210.0060.03512.34
5.4.200.0060.03712.34
5.4.190.0070.04012.34
5.4.180.0100.04312.34
5.4.170.0070.04412.35
5.4.160.0090.03712.34
5.4.150.0060.03612.34
5.4.140.0100.03712.02
5.4.130.0070.03312.02
5.4.120.0080.03611.97
5.4.110.0040.03611.97
5.4.100.0040.03611.96
5.4.90.0080.03411.97
5.4.80.0040.03711.97
5.4.70.0040.03611.96
5.4.60.0060.03311.96
5.4.50.0060.03411.96
5.4.40.0020.03911.95
5.4.30.0010.03911.95
5.4.20.0070.03411.95
5.4.10.0130.02711.95
5.4.00.0050.03611.43
5.3.290.0080.03612.80
5.3.280.0060.03612.71
5.3.270.0090.03512.72
5.3.260.0130.03312.72
5.3.250.0090.04312.72
5.3.240.0080.03512.71
5.3.230.0070.03712.71
5.3.220.0090.03412.68
5.3.210.0100.03412.68
5.3.200.0080.03412.68
5.3.190.0080.03512.67
5.3.180.0070.03412.67
5.3.170.0060.03612.67
5.3.160.0070.03412.67
5.3.150.0080.03412.68
5.3.140.0060.03512.66
5.3.130.0070.03612.66
5.3.120.0110.04412.66
5.3.110.0110.05112.66
5.3.100.0090.04512.12
5.3.90.0060.04112.09
5.3.80.0080.03912.07
5.3.70.0040.03912.08
5.3.60.0030.03712.07
5.3.50.0100.03512.00
5.3.40.0090.04512.00
5.3.30.0100.03611.94
5.3.20.0100.04611.72
5.3.10.0110.04511.70
5.3.00.0060.03611.68
5.2.170.0040.0329.18
5.2.160.0080.0259.18
5.2.150.0030.0319.18
5.2.140.0030.0329.18
5.2.130.0040.0329.14
5.2.120.0040.0309.13
5.2.110.0050.0289.14
5.2.100.0080.0249.14
5.2.90.0030.0299.14
5.2.80.0060.0289.13
5.2.70.0060.0289.13
5.2.60.0030.0309.09
5.2.50.0040.0299.06
5.2.40.0060.0269.04
5.2.30.0040.0299.01
5.2.20.0050.0299.00
5.2.10.0070.0298.92
5.2.00.0060.0298.77
5.1.60.0030.0248.06
5.1.50.0020.0268.05
5.1.40.0050.0238.04
5.1.30.0030.0268.39
5.1.20.0010.0298.41
5.1.10.0030.0268.14
5.1.00.0040.0258.14
5.0.50.0070.0256.62
5.0.40.0080.0146.48
5.0.30.0040.0306.29
5.0.20.0030.0196.26
5.0.10.0050.0186.24
5.0.00.0060.0296.23
4.4.90.0000.0184.78
4.4.80.0030.0154.75
4.4.70.0010.0164.75
4.4.60.0050.0124.75
4.4.50.0030.0144.77
4.4.40.0050.0224.71
4.4.30.0020.0164.75
4.4.20.0000.0184.85
4.4.10.0040.0144.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0040.0134.66
4.3.90.0020.0154.64
4.3.80.0030.0244.58
4.3.70.0050.0134.63
4.3.60.0020.0164.63
4.3.50.0040.0184.63
4.3.40.0040.0254.54
4.3.30.0030.0153.28
4.3.20.0030.0153.26
4.3.10.0010.0173.22
4.3.00.0000.0237.50

preferences:
68.56 ms | 401 KiB | 5 Q