3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyClass { public $public = 'Pub'; protected $protected = 'Protec'; private $private = 'Pri'; function printHello() { echo $this->public; echo $this->protected; echo $this->private; } } class MyClass2 extends MyClass { // We can redeclare the public and protected method, but not private protected $protected = 'Protected2'; function printHello() { echo $this->public; echo $this->protected; echo $this->private; } } $obj2 = new MyClass2(); //echo $obj2->public; // Works echo $obj2->protected; // Fatal Error //echo $obj2->private; // Undefined //$obj2->printHello(); // Shows Public, Protected2, Undefined ?>

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)
8.3.70.0070.01016.58
8.3.60.0140.00716.75
8.3.50.0250.00721.99
8.3.40.0110.00418.81
8.3.30.0100.00319.09
8.3.20.0040.00420.18
8.3.10.0090.00023.39
8.3.00.0050.00318.94
8.2.180.0160.00618.29
8.2.170.0030.01722.96
8.2.160.0130.00020.39
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00320.91
8.2.110.0060.00321.06
8.2.100.0040.00817.78
8.2.90.0040.00418.22
8.2.80.0000.00818.03
8.2.70.0040.00417.50
8.2.60.0080.00017.93
8.2.50.0060.00318.07
8.2.40.0050.00318.04
8.2.30.0020.00518.06
8.2.20.0000.00817.69
8.2.10.0050.00317.98
8.2.00.0080.00017.67
8.1.280.0140.00325.92
8.1.270.0040.00423.83
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0060.00323.84
8.1.230.0060.00620.89
8.1.220.0040.00417.74
8.1.210.0040.00419.17
8.1.200.0000.00817.23
8.1.190.0060.00316.98
8.1.180.0030.00618.10
8.1.170.0060.00318.57
8.1.160.0040.00418.83
8.1.150.0070.00018.55
8.1.140.0050.00317.30
8.1.130.0000.00717.79
8.1.120.0000.00717.29
8.1.110.0000.00717.40
8.1.100.0070.00017.37
8.1.90.0030.00317.36
8.1.80.0080.00017.43
8.1.70.0040.00417.39
8.1.60.0030.00517.46
8.1.50.0000.00817.46
8.1.40.0000.00817.41
8.1.30.0000.00817.48
8.1.20.0000.00917.67
8.1.10.0040.00417.47
8.1.00.0030.00617.54
8.0.300.0000.00719.71
8.0.290.0070.00016.63
8.0.280.0030.00318.29
8.0.270.0070.00017.21
8.0.260.0070.00017.23
8.0.250.0070.00016.90
8.0.240.0030.00316.95
8.0.230.0000.00716.97
8.0.220.0000.00716.91
8.0.210.0070.00016.96
8.0.200.0030.00316.87
8.0.190.0050.00317.00
8.0.180.0000.00716.89
8.0.170.0030.00516.89
8.0.160.0070.00016.93
8.0.150.0030.00416.77
8.0.140.0000.00716.83
8.0.130.0030.00313.25
8.0.120.0090.00016.91
8.0.110.0040.00416.90
8.0.100.0050.00316.94
8.0.90.0040.00416.97
8.0.80.0030.01216.82
8.0.70.0070.00016.77
8.0.60.0040.00416.79
8.0.50.0040.00416.74
8.0.30.0120.00716.91
8.0.20.0080.01117.40
8.0.10.0040.00417.05
8.0.00.0060.01116.50
7.4.330.0060.00015.00
7.4.320.0000.00716.59
7.4.300.0060.00016.61
7.4.290.0080.00016.40
7.4.280.0080.00016.56
7.4.270.0000.00816.61
7.4.260.0070.00016.48
7.4.250.0050.00216.48
7.4.240.0020.00616.59
7.4.230.0070.00016.45
7.4.220.0080.01216.56
7.4.210.0070.00716.46
7.4.200.0030.00316.69
7.4.190.0040.00416.56
7.4.160.0090.01216.44
7.4.150.0150.00317.40
7.4.140.0110.01017.86
7.4.130.0080.00816.51
7.4.120.0090.00916.56
7.4.110.0060.01116.41
7.4.100.0100.00716.47
7.4.90.0080.00916.45
7.4.80.0090.01319.39
7.4.70.0040.01216.37
7.4.60.0030.01416.43
7.4.50.0040.00416.18
7.4.40.0130.00716.47
7.4.30.0080.00816.62
7.4.00.0050.01114.99
7.3.330.0040.00413.32
7.3.320.0000.00513.29
7.3.310.0030.00316.34
7.3.300.0050.00216.19
7.3.290.0060.00916.31
7.3.280.0080.01116.27
7.3.270.0080.01017.40
7.3.260.0100.00716.38
7.3.250.0110.01116.35
7.3.240.0100.00616.27
7.3.230.0130.00316.63
7.3.210.0170.00016.19
7.3.200.0100.01019.39
7.3.190.0150.00616.53
7.3.180.0040.01116.56
7.3.170.0180.00416.27
7.3.160.0030.01416.30
7.3.120.0050.01214.77
7.3.110.0090.00615.08
7.3.100.0090.00614.93
7.3.90.0090.00614.84
7.3.80.0100.00314.95
7.3.70.0040.00814.84
7.3.60.0030.00614.69
7.3.50.0090.00614.82
7.3.40.0120.00014.83
7.3.30.0030.00614.77
7.3.20.0000.00816.50
7.3.10.0070.00716.64
7.3.00.0060.00616.66
7.2.330.0100.00716.62
7.2.320.0190.00316.35
7.2.310.0090.01516.61
7.2.300.0130.00316.69
7.2.290.0110.00816.54
7.2.250.0040.01414.96
7.2.240.0070.01315.27
7.2.230.0030.01015.26
7.2.220.0060.00614.74
7.2.210.0060.00815.24
7.2.200.0030.01314.98
7.2.190.0090.00914.94
7.2.180.0100.00615.09
7.2.170.0090.00015.09
7.2.60.0070.00716.67
7.2.00.0060.00619.46
7.1.330.0000.01415.63
7.1.320.0030.01015.77
7.1.310.0000.01015.73
7.1.300.0100.00315.85
7.1.290.0030.00615.70
7.1.280.0080.00015.80
7.1.270.0030.00715.73
7.1.260.0150.00015.77
7.1.200.0000.01015.50
7.1.100.0100.00717.60
7.1.70.0000.00717.17
7.1.60.0130.01019.46
7.1.50.0070.01816.52
7.1.00.0030.07722.40
7.0.200.0000.00716.40
7.0.140.0070.07022.12
7.0.60.0130.07319.93
7.0.50.0130.04017.86
7.0.40.0100.07719.96
7.0.30.0270.07020.09
7.0.20.0170.04720.24
7.0.10.0100.05320.19
7.0.00.0030.05020.11
5.6.280.0070.07020.82
5.6.210.0000.06020.52
5.6.200.0070.04018.20
5.6.190.0100.03720.41
5.6.180.0030.03720.62
5.6.170.0300.07320.56
5.6.160.0000.04320.47
5.6.150.0030.04018.21
5.6.140.0070.05318.26
5.6.130.0200.07018.21
5.6.120.0100.04321.02
5.6.110.0000.08321.10
5.6.100.0000.05321.09
5.6.90.0000.08020.98
5.6.80.0100.05720.27
5.5.350.0070.08720.44
5.5.340.0000.04017.98
5.5.330.0070.06320.27
5.5.320.0330.07320.20
5.5.310.0370.07020.19
5.5.300.0100.07718.08
5.5.290.0130.03718.01
5.5.280.0130.07720.89
5.5.270.0070.05020.89
5.5.260.0130.07020.62
5.5.250.0170.03720.76
5.5.240.0030.07720.16
5.4.450.0700.06019.64
5.4.440.0600.05719.63
5.4.430.0130.06719.29
5.4.420.0170.06019.42
5.4.410.0300.05719.11
5.4.400.0200.06719.32
5.4.390.0300.04719.21
5.4.380.0170.05318.76
5.4.370.0100.05718.74
5.4.360.0130.05318.47
5.4.350.0200.04718.70
5.4.340.0030.06018.76
5.4.320.0060.03512.50
5.4.310.0050.03812.50
5.4.300.0040.03812.51
5.4.290.0050.04712.50
5.4.280.0040.03812.40
5.4.270.0050.04012.40
5.4.260.0060.04612.40
5.4.250.0100.03512.40
5.4.240.0090.04412.39
5.4.230.0080.04012.39
5.4.220.0090.03612.39
5.4.210.0090.03312.39
5.4.200.0050.03912.39
5.4.190.0080.03412.38
5.4.180.0090.04012.38
5.4.170.0050.03912.40
5.4.160.0090.03312.39
5.4.150.0050.03712.39
5.4.140.0050.03812.07
5.4.130.0080.03512.06
5.4.120.0050.03612.02
5.4.110.0070.03412.02
5.4.100.0070.03512.02
5.4.90.0090.03512.01
5.4.80.0060.03612.01
5.4.70.0070.03612.02
5.4.60.0080.03212.01
5.4.50.0080.04112.01
5.4.40.0100.03812.00
5.4.30.0070.03512.00
5.4.20.0060.03612.00
5.4.10.0080.03212.00
5.4.00.0020.03911.49
5.3.290.0040.04212.80
5.3.280.0090.03512.71
5.3.270.0030.04712.72
5.3.260.0090.03912.72
5.3.250.0060.03712.72
5.3.240.0090.03812.71
5.3.230.0050.04512.71
5.3.220.0020.04212.68
5.3.210.0100.03712.68
5.3.200.0060.03812.68
5.3.190.0050.04012.68
5.3.180.0100.03912.68
5.3.170.0070.03712.67
5.3.160.0050.03712.67
5.3.150.0050.03912.68
5.3.140.0090.04412.66
5.3.130.0100.03912.66
5.3.120.0080.04112.66
5.3.110.0070.03912.66
5.3.100.0080.04712.13
5.3.90.0090.05112.11
5.3.80.0100.04812.10
5.3.70.0100.04712.10
5.3.60.0080.05012.09
5.3.50.0060.05112.04
5.3.40.0070.05112.04
5.3.30.0070.05111.99
5.3.20.0100.04611.77
5.3.10.0080.04911.73
5.3.00.0070.05211.73
5.2.170.0070.0369.23
5.2.160.0050.0289.23
5.2.150.0060.0299.23
5.2.140.0010.0349.22
5.2.130.0040.0309.19
5.2.120.0050.0299.18
5.2.110.0120.0229.19
5.2.100.0050.0289.19
5.2.90.0110.0529.18
5.2.80.0080.0339.18
5.2.70.0040.0369.18
5.2.60.0050.0339.14
5.2.50.0060.0309.10
5.2.40.0070.0329.08
5.2.30.0050.0299.05
5.2.20.0060.0289.04
5.2.10.0040.0298.95
5.2.00.0040.0298.82
5.1.60.0030.0258.10
5.1.50.0040.0268.09
5.1.40.0050.0258.07
5.1.30.0080.0318.43
5.1.20.0050.0288.44
5.1.10.0020.0398.17
5.1.00.0040.0408.17
5.0.50.0080.0266.64
5.0.40.0060.0276.51
5.0.30.0030.0456.32
5.0.20.0050.0196.29
5.0.10.0030.0266.27
5.0.00.0010.0356.26
4.4.90.0020.0174.78
4.4.80.0050.0154.76
4.4.70.0100.0514.75
4.4.60.0060.0274.76
4.4.50.0050.0224.77
4.4.40.0040.0324.71
4.4.30.0060.0194.75
4.4.20.0030.0174.85
4.4.10.0170.0304.84
4.4.00.0030.0264.75
4.3.110.0030.0174.67
4.3.100.0010.0184.67
4.3.90.0020.0164.64
4.3.80.0040.0244.58
4.3.70.0020.0164.63
4.3.60.0030.0154.63
4.3.50.0010.0184.63
4.3.40.0020.0264.54
4.3.30.0020.0253.30
4.3.20.0050.0143.28
4.3.10.0040.0163.23
4.3.00.0100.0277.27

preferences:
33.78 ms | 401 KiB | 5 Q