3v4l.org

run code in 300+ PHP versions simultaneously
<? Class D { public $data = 'data'; } Class T { public $firstChild; __construct(D $d) { $this->firstChild = $d; } } $d = new D; $item = new T($d); echo "$item->firstChild->data\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)
8.3.60.0070.00716.38
8.3.50.0090.00622.85
8.3.40.0120.00318.59
8.3.30.0070.00718.90
8.3.20.0040.00420.16
8.3.10.0070.00023.65
8.3.00.0050.00319.25
8.2.180.0150.00018.25
8.2.170.0070.00722.96
8.2.160.0070.00720.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0150.00426.16
8.2.120.0030.00520.89
8.2.110.0090.00022.07
8.2.100.0120.00017.66
8.2.90.0050.00317.60
8.2.80.0080.00018.63
8.2.70.0060.00317.50
8.2.60.0080.00017.50
8.2.50.0000.00818.05
8.2.40.0070.00017.95
8.2.30.0070.00019.34
8.2.20.0030.00617.46
8.2.10.0000.00717.87
8.2.00.0000.00717.54
8.1.280.0030.01025.92
8.1.270.0000.01023.99
8.1.260.0070.00026.35
8.1.250.0030.00628.09
8.1.240.0040.00418.89
8.1.230.0090.00317.77
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0040.00417.13
8.1.190.0080.00016.88
8.1.180.0040.00418.10
8.1.170.0040.00418.97
8.1.160.0030.00318.92
8.1.150.0000.00718.75
8.1.140.0040.00417.20
8.1.130.0040.00417.62
8.1.120.0000.00717.38
8.1.110.0000.00717.32
8.1.100.0000.00717.29
8.1.90.0000.00817.23
8.1.80.0070.00017.34
8.1.70.0000.00717.24
8.1.60.0040.00417.36
8.1.50.0000.00917.37
8.1.40.0000.00717.36
8.1.30.0000.00817.40
8.1.20.0040.00417.35
8.1.10.0030.00617.43
8.1.00.0040.00417.36
8.0.300.0070.00018.77
8.0.290.0030.00816.58
8.0.280.0070.00018.36
8.0.270.0000.00717.05
8.0.260.0050.00217.20
8.0.250.0030.00316.71
8.0.240.0060.00316.81
8.0.230.0000.00716.77
8.0.220.0000.00616.80
8.0.210.0070.00016.74
8.0.200.0030.00316.68
8.0.190.0050.00316.71
8.0.180.0030.00516.78
8.0.170.0040.00416.80
8.0.160.0000.00716.63
8.0.150.0040.00316.64
8.0.140.0000.00716.66
8.0.130.0030.00313.45
8.0.120.0000.00816.61
8.0.110.0030.00416.57
8.0.100.0070.00016.68
8.0.90.0040.00416.57
8.0.80.0030.01416.81
8.0.70.0000.00816.66
8.0.60.0000.00716.57
8.0.50.0000.00716.57
8.0.30.0090.00916.78
8.0.20.0220.01917.40
8.0.10.0030.00516.89
8.0.00.0060.01216.61
7.4.330.0000.00515.09
7.4.320.0000.00616.46
7.4.300.0030.00316.43
7.4.290.0040.00416.46
7.4.280.0110.00016.47
7.4.270.0000.00716.38
7.4.260.0030.00316.36
7.4.250.0000.00716.18
7.4.240.0040.00316.40
7.4.230.0030.00316.49
7.4.220.0110.00716.47
7.4.210.0000.01416.42
7.4.200.0000.00716.17
7.4.160.0060.00916.56
7.4.150.0140.00317.40
7.4.140.0150.00217.86
7.4.130.0100.01016.43
7.4.120.0080.00816.40
7.4.110.0060.01216.24
7.4.100.0070.01416.36
7.4.90.0090.01216.26
7.4.80.0000.01519.39
7.4.70.0090.01216.30
7.4.60.0070.01016.58
7.4.50.0000.00816.46
7.4.40.0100.00616.41
7.4.30.0090.00916.40
7.3.330.0000.00613.23
7.3.320.0030.00313.28
7.3.310.0030.00316.20
7.3.300.0030.00316.04
7.3.290.0030.01016.14
7.3.280.0140.00216.14
7.3.270.0070.01017.40
7.3.260.0150.00316.48
7.3.250.0110.00616.42
7.3.240.0070.01016.45
7.3.230.0100.00716.45
7.3.210.0040.01316.37
7.3.200.0160.00319.39
7.3.190.0100.01016.22
7.3.180.0150.00016.22
7.3.170.0170.00316.27
7.3.160.0090.01216.17
7.2.330.0060.01916.37
7.2.320.0090.01316.64
7.2.310.0060.01216.48
7.2.300.0130.00316.52
7.2.290.0080.00816.64
5.4.320.0050.04112.45
5.4.310.0020.04012.45
5.4.300.0050.04012.45
5.4.290.0050.05612.45
5.4.280.0060.03912.34
5.4.270.0090.05012.34
5.4.260.0070.04212.34
5.4.250.0060.03712.34
5.4.240.0090.03312.34
5.4.230.0120.03512.34
5.4.220.0070.03712.34
5.4.210.0050.03512.34
5.4.200.0070.03812.34
5.4.190.0070.03512.34
5.4.180.0050.03612.33
5.4.170.0050.03812.35
5.4.160.0050.04912.34
5.4.150.0050.04112.34
5.4.140.0110.03512.02
5.4.130.0100.04112.01
5.4.120.0090.04311.97
5.4.110.0110.03811.96
5.4.100.0080.04311.97
5.4.90.0030.04611.96
5.4.80.0060.04211.96
5.4.70.0070.03611.96
5.4.60.0050.03811.96
5.4.50.0080.03711.96
5.4.40.0060.03611.95
5.4.30.0070.03611.95
5.4.20.0110.03411.95
5.4.10.0060.03811.95
5.4.00.0020.03911.44

preferences:
41.44 ms | 401 KiB | 5 Q