3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $x; public function __construct() { $this->x = 1; } public function hi() { return __METHOD__ . ': x = ' . $x; } } class B extends A { public function __construct() { $this->x = 2; } } $b = new B(); echo $b->hi();

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)
8.3.70.0100.01016.75
8.3.60.0060.00918.55
8.3.50.0130.00722.88
8.3.40.0120.00318.75
8.3.30.0070.00718.81
8.3.20.0080.00020.29
8.3.10.0040.00421.89
8.3.00.0080.00019.38
8.2.180.0110.00716.75
8.2.170.0120.00322.96
8.2.160.0040.01120.53
8.2.150.0050.00224.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0080.00020.80
8.2.110.0060.00319.30
8.2.100.0120.00018.03
8.2.90.0000.00917.84
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0060.00317.80
8.2.50.0030.00518.07
8.2.40.0030.00519.95
8.2.30.0000.00717.96
8.2.20.0030.00617.73
8.2.10.0000.00818.01
8.2.00.0060.00317.79
8.1.280.0070.01425.92
8.1.270.0050.00323.97
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00921.96
8.1.230.0070.00722.66
8.1.220.0080.00017.74
8.1.210.0080.00018.88
8.1.200.0050.00517.35
8.1.190.0080.00017.25
8.1.180.0000.00818.10
8.1.170.0000.00818.66
8.1.160.0070.00021.94
8.1.150.0040.00418.75
8.1.140.0040.00417.38
8.1.130.0030.00317.82
8.1.120.0040.00417.45
8.1.110.0050.00317.40
8.1.100.0070.00017.30
8.1.90.0000.00717.34
8.1.80.0070.00017.46
8.1.70.0030.00317.41
8.1.60.0080.00017.61
8.1.50.0030.00517.40
8.1.40.0040.00417.41
8.1.30.0030.00517.57
8.1.20.0000.00817.69
8.1.10.0000.00717.61
8.1.00.0040.00417.49
8.0.300.0030.00720.02
8.0.290.0000.00716.75
8.0.280.0040.00418.40
8.0.270.0060.00317.18
8.0.260.0030.00317.25
8.0.250.0080.00016.89
8.0.240.0030.00316.97
8.0.230.0030.00317.05
8.0.220.0000.00716.84
8.0.210.0030.00316.91
8.0.200.0080.00016.90
8.0.190.0070.00016.97
8.0.180.0040.00416.93
8.0.170.0030.00616.96
8.0.160.0000.00816.96
8.0.150.0050.00216.82
8.0.140.0000.00716.79
8.0.130.0000.00813.37
8.0.120.0030.00616.93
8.0.110.0080.00016.85
8.0.100.0090.00016.74
8.0.90.0040.00416.94
8.0.80.0070.01616.83
8.0.70.0000.00816.95
8.0.60.0040.00416.75
8.0.50.0000.00716.78
8.0.30.0090.00917.04
8.0.20.0120.00617.40
8.0.10.0070.00016.86
8.0.00.0080.00916.71
7.4.330.0000.00715.00
7.4.320.0000.00616.52
7.4.300.0030.00316.51
7.4.290.0030.00316.49
7.4.280.0000.00816.57
7.4.270.0000.00716.50
7.4.260.0000.00816.59
7.4.250.0050.00216.55
7.4.240.0050.00216.60
7.4.230.0000.00716.61
7.4.220.0030.01616.46
7.4.210.0110.00316.67
7.4.200.0000.00816.70
7.4.160.0120.00316.46
7.4.150.0140.00317.40
7.4.140.0140.00517.86
7.4.130.0160.00616.48
7.4.120.0100.00816.57
7.4.110.0160.00016.44
7.4.100.0070.01016.48
7.4.90.0090.00916.54
7.4.80.0060.01219.39
7.4.70.0030.01316.39
7.4.60.0150.00416.32
7.4.50.0040.00416.38
7.4.40.0140.00316.56
7.4.30.0060.00916.50
7.4.00.0100.00314.68
7.3.330.0060.00013.38
7.3.320.0000.00613.34
7.3.310.0030.00316.39
7.3.300.0000.00716.23
7.3.290.0000.01716.36
7.3.280.0060.00916.39
7.3.270.0150.00317.40
7.3.260.0090.00916.48
7.3.250.0090.00716.32
7.3.240.0130.01016.44
7.3.230.0130.00316.53
7.3.210.0060.01016.30
7.3.200.0120.00919.39
7.3.190.0090.01216.34
7.3.180.0090.01216.32
7.3.170.0060.00916.36
7.3.160.0050.01016.44
7.2.330.0030.01716.77
7.2.320.0070.01416.49
7.2.310.0070.01316.80
7.2.300.0190.00316.54
7.2.290.0070.01116.67
7.2.00.0040.01219.33
7.1.70.0060.00917.09
7.1.60.0080.00317.28
7.1.50.0100.01416.85
7.1.00.0070.07322.51
7.0.200.0060.00616.52
7.0.140.0000.07722.18
7.0.60.0100.08319.93
7.0.50.0100.03317.89
7.0.40.0130.07320.02
7.0.30.0330.07020.16
7.0.20.0270.08020.25
7.0.10.0170.07720.23
7.0.00.0100.08020.32
5.6.280.0070.07021.14
5.6.210.0100.08020.52
5.6.200.0100.03718.29
5.6.190.0100.04320.63
5.6.180.0130.04720.64
5.6.170.0200.04020.71
5.6.160.0100.04020.57
5.6.150.0130.07318.14
5.6.140.0070.03718.21
5.6.130.0070.06318.11
5.6.120.0070.06721.00
5.6.110.0100.08020.98
5.6.100.0070.06020.95
5.6.90.0000.07320.97
5.6.80.0100.04320.49
5.6.70.3330.04320.39
5.5.350.0100.04020.53
5.5.340.0130.07317.95
5.5.330.0100.08020.43
5.5.320.0030.07320.33
5.5.310.0300.07320.28
5.5.300.0000.04017.92
5.5.290.0070.08317.98
5.5.280.0070.05320.78
5.5.270.0000.04720.79
5.5.260.0130.08020.98
5.5.250.0100.08020.59
5.5.240.0200.04320.27
5.4.450.0170.04019.55
5.4.440.0130.04319.16
5.4.430.0100.04019.39
5.4.420.0070.03319.47
5.4.410.0100.03019.29
5.4.400.0170.03719.14
5.4.390.0100.04019.17
5.4.380.1200.05318.50
5.4.370.1330.06318.72
5.4.360.1100.06018.83
5.4.350.1170.06718.70
5.4.340.0870.06318.70
5.4.320.0100.04012.50
5.4.310.0050.03812.50
5.4.300.0050.04112.51
5.4.290.0060.03612.50
5.4.280.0070.03312.40
5.4.270.0040.03712.40
5.4.260.0060.04612.40
5.4.250.0060.03612.40
5.4.240.0070.03512.39
5.4.230.0030.03812.39
5.4.220.0050.04112.39
5.4.210.0070.03612.39
5.4.200.0090.03912.39
5.4.190.0060.03712.39
5.4.180.0060.03512.39
5.4.170.0070.03412.40
5.4.160.0040.04412.39
5.4.150.0080.04112.39
5.4.140.0080.04012.08
5.4.130.0080.03712.06
5.4.120.0050.03512.02
5.4.110.0040.03512.02
5.4.100.0060.03512.01
5.4.90.0090.03612.01
5.4.80.0060.03512.02
5.4.70.0070.03912.01
5.4.60.0080.03612.01
5.4.50.0040.03512.01
5.4.40.0020.03712.00
5.4.30.0050.03512.00
5.4.20.0030.03712.00
5.4.10.0050.03412.00
5.4.00.0050.03811.48
5.3.290.0070.04112.80
5.3.280.0060.04512.71
5.3.270.0060.03712.72
5.3.260.0060.03912.72
5.3.250.0110.05212.72
5.3.240.0040.03712.72
5.3.230.0050.03712.71
5.3.220.0080.03412.68
5.3.210.0070.03712.68
5.3.200.0070.03812.68
5.3.190.0040.03812.68
5.3.180.0040.03712.67
5.3.170.0050.03612.67
5.3.160.0110.03112.68
5.3.150.0020.04112.67
5.3.140.0100.03812.66
5.3.130.0070.03612.66
5.3.120.0040.04012.66
5.3.110.0080.03712.66
5.3.100.0070.03512.13
5.3.90.0070.03412.10
5.3.80.0070.03412.10
5.3.70.0050.03612.11
5.3.60.0020.03912.08
5.3.50.0030.04112.04
5.3.40.0020.04312.03
5.3.30.0050.03911.98
5.3.20.0070.03911.76
5.3.10.0060.03311.73
5.3.00.0050.04111.72
5.2.170.0070.0289.23
5.2.160.0050.0289.23
5.2.150.0070.0299.23
5.2.140.0020.0339.22
5.2.130.0050.0319.18
5.2.120.0050.0279.18
5.2.110.0040.0369.18
5.2.100.0050.0279.18
5.2.90.0080.0259.18
5.2.80.0070.0309.18
5.2.70.0060.0309.18
5.2.60.0050.0309.13
5.2.50.0070.0289.10
5.2.40.0050.0289.07
5.2.30.0020.0329.05
5.2.20.0060.0279.04
5.2.10.0030.0288.95
5.2.00.0060.0278.80
5.1.60.0070.0218.09
5.1.50.0040.0248.09
5.1.40.0050.0248.07
5.1.30.0060.0258.41
5.1.20.0020.0308.44
5.1.10.0040.0268.17
5.1.00.0040.0258.16
5.0.50.0020.0216.64
5.0.40.0050.0186.50
5.0.30.0040.0316.32
5.0.20.0020.0206.28
5.0.10.0020.0216.26
5.0.00.0040.0316.25
4.4.90.0030.0154.78
4.4.80.0050.0134.75
4.4.70.0020.0164.76
4.4.60.0020.0174.75
4.4.50.0040.0144.77
4.4.40.0020.0264.71
4.4.30.0040.0154.76
4.4.20.0040.0174.84
4.4.10.0040.0154.84
4.4.00.0040.0264.76
4.3.110.0040.0154.67
4.3.100.0000.0184.67
4.3.90.0020.0154.63
4.3.80.0030.0234.58
4.3.70.0030.0144.63
4.3.60.0040.0134.62
4.3.50.0040.0144.63
4.3.40.0050.0224.54
4.3.30.0010.0173.30
4.3.20.0020.0163.28
4.3.10.0010.0173.24
4.3.00.0000.02014.87

preferences:
29.1 ms | 401 KiB | 5 Q