3v4l.org

run code in 300+ PHP versions simultaneously
<?php class y { private $ppp = 123; public function __toString() { return 123; } } class x { public function __construct() { $x =& $this; $x = new y; echo $this; } } new x;

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)
8.3.60.0120.00316.75
8.3.50.0090.00722.95
8.3.40.0110.00418.84
8.3.30.0110.00419.03
8.3.20.0000.00720.16
8.3.10.0040.00421.72
8.3.00.0040.00417.63
8.2.180.0110.01116.63
8.2.170.0070.00722.96
8.2.160.0070.01022.16
8.2.150.0000.00924.18
8.2.140.0050.00324.66
8.2.130.0100.00726.16
8.2.120.0040.00421.10
8.2.110.0050.00520.78
8.2.100.0080.00317.84
8.2.90.0080.00018.03
8.2.80.0000.01117.97
8.2.70.0030.00617.63
8.2.60.0080.00018.04
8.2.50.0050.00518.07
8.2.40.0040.00418.22
8.2.30.0060.00318.11
8.2.20.0000.00717.73
8.2.10.0040.00417.99
8.2.00.0070.00017.78
8.1.280.0100.00325.92
8.1.270.0050.00323.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00022.61
8.1.230.0080.00421.04
8.1.220.0050.00317.74
8.1.210.0080.00018.90
8.1.200.0060.00617.35
8.1.190.0000.00817.23
8.1.180.0080.00018.10
8.1.170.0060.00318.70
8.1.160.0040.00422.02
8.1.150.0040.00418.86
8.1.140.0040.00417.24
8.1.130.0030.00317.83
8.1.120.0000.00717.52
8.1.110.0030.00517.40
8.1.100.0040.00317.43
8.1.90.0030.00317.40
8.1.80.0070.00017.43
8.1.70.0000.00717.30
8.1.60.0060.00317.43
8.1.50.0060.00317.50
8.1.40.0050.00517.39
8.1.30.0000.00817.58
8.1.20.0040.00417.52
8.1.10.0000.00717.52
8.1.00.0080.00017.41
8.0.300.0000.00719.87
8.0.290.0000.00716.88
8.0.280.0070.00018.50
8.0.270.0000.00817.16
8.0.260.0030.00317.18
8.0.250.0000.00716.93
8.0.240.0000.00717.05
8.0.230.0030.00616.95
8.0.220.0070.00016.78
8.0.210.0070.00016.85
8.0.200.0070.00317.02
8.0.190.0000.00816.90
8.0.180.0040.00416.98
8.0.170.0040.00417.00
8.0.160.0050.00317.00
8.0.150.0030.00316.93
8.0.140.0000.00716.77
8.0.130.0000.00613.35
8.0.120.0030.00516.94
8.0.110.0030.00516.84
8.0.100.0040.00416.80
8.0.90.0040.00416.82
8.0.80.0040.01216.96
8.0.70.0040.00416.73
8.0.60.0000.00716.95
8.0.50.0000.00816.84
8.0.30.0100.01017.05
8.0.20.0090.01017.40
8.0.10.0000.00716.99
8.0.00.0130.00616.90
7.4.330.0000.00515.02
7.4.320.0030.00316.50
7.4.300.0000.00716.48
7.4.290.0000.00816.46
7.4.280.0030.00416.50
7.4.270.0030.00316.59
7.4.260.0040.00416.45
7.4.250.0000.00816.47
7.4.240.0050.00216.55
7.4.230.0000.00816.30
7.4.220.0110.01116.49
7.4.210.0110.00316.59
7.4.200.0000.00716.67
7.4.160.0110.00416.42
7.4.150.0130.00317.40
7.4.140.0090.01117.86
7.4.130.0130.00416.47
7.4.120.0070.01316.38
7.4.110.0060.01016.65
7.4.100.0070.01116.72
7.4.90.0070.01116.36
7.4.80.0130.00319.39
7.4.70.0120.00916.51
7.4.60.0060.01016.52
7.4.50.0030.00616.62
7.4.40.0100.00716.41
7.4.30.0180.00316.50
7.4.00.0090.00614.92
7.3.330.0000.00513.27
7.3.320.0020.00213.29
7.3.310.0040.00416.31
7.3.300.0000.00716.30
7.3.290.0120.00616.30
7.3.280.0060.01316.33
7.3.270.0070.01117.40
7.3.260.0220.01316.41
7.3.250.0120.00816.32
7.3.240.0060.01216.27
7.3.230.0140.00916.39
7.3.210.0090.00616.30
7.3.200.0120.00819.39
7.3.190.0070.01416.29
7.3.180.0060.00916.43
7.3.170.0030.01316.31
7.3.160.0090.00616.46
7.3.120.0070.01114.80
7.3.110.0030.01214.77
7.3.100.0070.01014.61
7.3.90.0030.01514.80
7.3.80.0030.01414.74
7.3.70.0060.00814.61
7.3.60.0060.00614.60
7.3.50.0090.00614.69
7.3.40.0030.00914.61
7.3.30.0070.00714.64
7.3.20.0060.00616.49
7.3.10.0070.00716.44
7.3.00.0100.00316.70
7.2.330.0180.00016.77
7.2.320.0130.00316.33
7.2.310.0100.00716.42
7.2.300.0100.01316.55
7.2.290.0120.00416.78
7.2.250.0070.01314.79
7.2.240.0030.01615.00
7.2.230.0040.01115.14
7.2.220.0060.00615.11
7.2.210.0140.00015.01
7.2.200.0090.00614.74
7.2.190.0060.00914.96
7.2.180.0040.01115.04
7.2.170.0060.00614.96
7.2.60.0030.01016.66
7.2.50.0000.01216.48
7.2.00.0040.00719.21
7.1.330.0070.00715.48
7.1.320.0080.00415.36
7.1.310.0060.00915.45
7.1.300.0090.00615.82
7.1.290.0030.01315.80
7.1.280.0000.01115.76
7.1.270.0000.01415.47
7.1.260.0060.00315.74
7.1.200.0040.01115.40
7.1.100.0030.00917.61
7.1.70.0000.00717.11
7.1.60.0100.01019.40
7.1.50.0070.01716.83
7.1.00.0100.07022.41
7.0.200.0030.00616.61
7.0.140.0100.07022.12
7.0.60.0000.09019.93
7.0.50.0070.05017.82
7.0.40.0130.05320.09
7.0.30.0630.06320.24
7.0.20.0300.08020.15
7.0.10.0300.08320.15
7.0.00.0130.08020.21
5.6.280.0000.07721.13
5.6.210.0030.05020.61
5.6.200.0070.08318.25
5.6.190.0100.03720.63
5.6.180.0170.04720.61
5.6.170.0330.06020.55
5.6.160.0130.07720.54
5.6.150.0100.05718.18
5.6.140.0030.03718.21
5.6.130.0100.08018.24
5.6.120.0070.08321.11
5.6.110.0100.05320.96
5.6.100.0100.07321.00
5.6.90.0100.04320.96
5.6.80.0100.06020.48
5.6.70.3530.03320.43
5.5.350.0200.06720.45
5.5.340.0130.06717.92
5.5.330.0030.04020.40
5.5.320.0400.06020.31
5.5.310.0200.05720.19
5.5.300.0000.07718.00
5.5.290.0100.05317.98
5.5.280.0030.05020.77
5.5.270.0030.04320.86
5.5.260.0130.07020.75
5.5.250.0030.09320.70
5.5.240.0170.08020.07
5.4.450.0200.04719.55
5.4.440.0370.03719.20
5.4.430.0170.03719.49
5.4.420.0300.03719.50
5.4.410.0500.04019.46
5.4.400.0370.04019.10
5.4.390.0270.04318.84
5.4.380.0100.06018.74
5.4.370.0130.06018.72
5.4.360.0200.04318.51
5.4.350.0070.06018.75
5.4.340.0030.06018.72
5.4.320.0080.03912.50
5.4.310.0060.03912.49
5.4.300.0070.04412.50
5.4.290.0110.04912.50
5.4.280.0070.05112.40
5.4.270.0120.03512.39
5.4.260.0070.03812.39
5.4.250.0070.03712.39
5.4.240.0070.04012.39
5.4.230.0030.04112.38
5.4.220.0090.03912.39
5.4.210.0080.03412.39
5.4.200.0060.03912.38
5.4.190.0070.03612.38
5.4.180.0060.03712.39
5.4.170.0090.03312.39
5.4.160.0100.03412.39
5.4.150.0050.03712.38
5.4.140.0040.03912.07
5.4.130.0090.03212.05
5.4.120.0070.03412.02
5.4.110.0050.03812.01
5.4.100.0060.03612.02
5.4.90.0090.04012.02
5.4.80.0040.04112.02
5.4.70.0060.03412.01
5.4.60.0050.03512.01
5.4.50.0060.03412.01
5.4.40.0070.03312.00
5.4.30.0050.03912.00
5.4.20.0060.03412.00
5.4.10.0050.03512.00
5.4.00.0030.03711.48
5.3.290.0070.04012.80
5.3.280.0060.03912.71
5.3.270.0070.05512.72
5.3.260.0050.04312.72
5.3.250.0080.03612.72
5.3.240.0040.03812.72
5.3.230.0050.04012.71
5.3.220.0070.03612.68
5.3.210.0040.04212.68
5.3.200.0040.03812.68
5.3.190.0050.03812.68
5.3.180.0040.03812.67
5.3.170.0070.03512.67
5.3.160.0060.03712.68
5.3.150.0070.03512.68
5.3.140.0040.03712.66
5.3.130.0120.04112.66
5.3.120.0050.03812.66
5.3.110.0050.04012.66
5.3.100.0060.03712.13
5.3.90.0060.03812.11
5.3.80.0080.03512.09
5.3.70.0040.03812.09
5.3.60.0050.03712.09
5.3.50.0060.03712.04
5.3.40.0050.03812.03
5.3.30.0060.03511.99
5.3.20.0040.03711.77
5.3.10.0040.03711.74
5.3.00.0060.03611.71
5.2.170.0030.0329.23
5.2.160.0070.0279.23
5.2.150.0040.0319.23
5.2.140.0040.0319.23
5.2.130.0050.0299.18
5.2.120.0030.0309.18
5.2.110.0060.0289.19
5.2.100.0060.0279.19
5.2.90.0010.0329.19
5.2.80.0040.0319.18
5.2.70.0030.0319.18
5.2.60.0070.0329.13
5.2.50.0050.0299.11
5.2.40.0020.0319.08
5.2.30.0030.0329.06
5.2.20.0030.0309.04
5.2.10.0040.0288.95
5.2.00.0060.0338.81
5.1.60.0050.0238.10
5.1.50.0040.0258.09
5.1.40.0020.0298.07
5.1.30.0010.0298.42
5.1.20.0030.0278.44
5.1.10.0030.0278.16
5.1.00.0010.0298.17
5.0.50.0030.0216.65
5.0.40.0040.0206.50
5.0.30.0040.0316.32
5.0.20.0020.0216.28
5.0.10.0030.0226.26
5.0.00.0040.0316.26
4.4.90.0050.0144.78
4.4.80.0020.0164.76
4.4.70.0030.0164.75
4.4.60.0030.0154.76
4.4.50.0060.0134.77
4.4.40.0050.0234.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0020.0164.85
4.4.00.0030.0264.76
4.3.110.0010.0184.67
4.3.100.0020.0154.66
4.3.90.0020.0154.63
4.3.80.0060.0294.58
4.3.70.0030.0214.63
4.3.60.0030.0214.63
4.3.50.0050.0164.63
4.3.40.0010.0264.54
4.3.30.0020.0163.30
4.3.20.0030.0153.28
4.3.10.0000.0223.23
4.3.00.0030.01715.90

preferences:
47.24 ms | 401 KiB | 5 Q