3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $db; protected $host; protected $user = 'foo'; public function __construct($database = 'mymaindb', $host = 'localhost') { $this->host = $host; $this->connect(); } public function connect() { echo "connected to ".$this->db." and ".$this->host."\n"; } } class B extends A { function example() { echo "Called example()\n"; } } $a = new A(); $b = new B('myotherdatabase'); $b->example(); ?>

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)
8.3.40.0120.00618.84
8.3.30.0070.00719.22
8.3.20.0040.00420.35
8.3.10.0050.00321.86
8.3.00.0080.00019.25
8.2.170.0090.00622.96
8.2.160.0060.00920.53
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00220.89
8.2.110.0040.00420.33
8.2.100.0080.00418.09
8.2.90.0040.00419.22
8.2.80.0030.00517.97
8.2.70.0030.00517.50
8.2.60.0050.00317.93
8.2.50.0080.00018.07
8.2.40.0050.00318.09
8.2.30.0000.00718.00
8.2.20.0040.00417.81
8.2.10.0040.00418.11
8.2.00.0000.00817.72
8.1.270.0110.00723.88
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0090.00023.92
8.1.230.0080.00318.89
8.1.220.0080.00017.78
8.1.210.0080.00018.77
8.1.200.0050.00617.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0050.00318.34
8.1.160.0040.00422.07
8.1.150.0040.00418.89
8.1.140.0040.00417.45
8.1.130.0030.00317.79
8.1.120.0030.00617.38
8.1.110.0050.00317.53
8.1.100.0000.00717.50
8.1.90.0040.00417.46
8.1.80.0040.00417.36
8.1.70.0030.00317.33
8.1.60.0060.00317.48
8.1.50.0040.00417.51
8.1.40.0040.00417.50
8.1.30.0040.00417.57
8.1.20.0000.00817.66
8.1.10.0000.00717.48
8.1.00.0000.00717.38
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0040.00418.46
8.0.270.0030.00317.31
8.0.260.0030.00617.18
8.0.250.0070.00016.98
8.0.240.0030.00316.88
8.0.230.0070.00017.01
8.0.220.0070.00016.86
8.0.210.0070.00016.96
8.0.200.0030.00316.91
8.0.190.0040.00416.99
8.0.180.0030.00516.94
8.0.170.0040.00416.89
8.0.160.0050.00216.98
8.0.150.0030.00516.87
8.0.140.0000.00816.82
8.0.130.0040.00413.29
8.0.120.0040.00416.91
8.0.110.0050.00216.89
8.0.100.0000.00916.69
8.0.90.0050.00216.95
8.0.80.0070.01416.80
8.0.70.0050.00316.96
8.0.60.0040.00416.78
8.0.50.0070.00016.81
8.0.30.0100.00717.08
8.0.20.0110.00817.40
8.0.10.0090.00016.80
8.0.00.0080.01216.80
7.4.330.0030.00415.00
7.4.320.0060.00016.59
7.4.300.0060.00016.53
7.4.290.0030.00316.57
7.4.280.0080.00016.58
7.4.270.0040.00416.52
7.4.260.0000.00716.49
7.4.250.0050.00216.47
7.4.240.0020.00616.61
7.4.230.0070.00016.71
7.4.220.0070.01116.61
7.4.210.0070.00716.72
7.4.200.0000.00816.63
7.4.160.0130.00316.43
7.4.150.0120.00617.40
7.4.140.0130.00617.86
7.4.130.0130.00916.50
7.4.120.0100.00916.46
7.4.110.0150.00616.55
7.4.100.0100.00716.52
7.4.90.0070.01016.43
7.4.80.0120.00619.39
7.4.70.0110.00516.60
7.4.60.0160.00016.18
7.4.50.0040.00416.59
7.4.40.0140.00316.45
7.4.30.0060.01016.65
7.4.10.0070.01114.99
7.4.00.0070.01014.84
7.3.330.0000.00513.13
7.3.320.0000.00513.16
7.3.310.0000.00716.16
7.3.300.0040.00416.27
7.3.290.0090.00616.30
7.3.280.0080.00816.30
7.3.270.0110.00617.40
7.3.260.0120.01216.55
7.3.250.0080.00916.46
7.3.240.0100.00716.31
7.3.230.0030.01316.39
7.3.210.0080.00816.35
7.3.200.0030.01219.39
7.3.190.0130.00916.30
7.3.180.0070.01016.22
7.3.170.0060.01116.39
7.3.160.0050.01216.29
7.3.130.0000.01814.75
7.3.120.0000.01614.73
7.3.110.0070.01015.02
7.3.100.0130.00314.58
7.3.90.0050.00514.64
7.3.80.0100.00315.03
7.3.70.0040.01114.82
7.3.60.0110.00014.84
7.3.50.0040.00814.77
7.3.40.0030.01314.73
7.3.30.0030.01014.70
7.3.20.0030.00916.66
7.3.10.0110.00316.28
7.3.00.0090.00616.61
7.2.330.0100.00616.50
7.2.320.0030.01316.60
7.2.310.0040.01516.54
7.2.300.0140.00316.79
7.2.290.0060.01116.35
7.2.260.0070.01015.05
7.2.250.0070.01014.84
7.2.240.0030.01014.78
7.2.230.0060.00614.89
7.2.220.0060.01014.74
7.2.210.0000.01414.91
7.2.200.0100.00715.01
7.2.190.0060.00914.96
7.2.180.0030.00714.90
7.2.170.0060.00914.88
7.2.160.0070.01015.06
7.2.150.0060.00916.96
7.2.140.0060.00616.80
7.2.130.0060.00916.84
7.2.120.0030.01616.80
7.2.110.0060.00616.86
7.2.100.0000.01417.02
7.2.90.0030.01316.91
7.2.80.0090.00917.16
7.2.70.0030.00716.90
7.2.60.0070.00717.10
7.2.50.0030.00916.61
7.2.40.0060.01217.03
7.2.30.0070.00416.80
7.2.20.0060.00917.02
7.2.10.0000.01617.07
7.2.00.0090.00818.03
7.1.330.0040.00715.46
7.1.320.0030.01015.79
7.1.310.0060.00615.71
7.1.300.0070.01015.85
7.1.290.0030.01015.73
7.1.280.0000.01715.56
7.1.270.0050.00515.64
7.1.260.0030.00615.73
7.1.250.0060.00915.68
7.1.240.0040.00815.87
7.1.230.0000.01315.37
7.1.220.0100.00715.73
7.1.210.0060.00615.61
7.1.200.0030.00915.70
7.1.190.0000.01315.77
7.1.180.0030.00615.37
7.1.170.0060.00615.66
7.1.160.0060.00915.70
7.1.150.0000.01315.62
7.1.140.0030.01015.73
7.1.130.0120.00615.87
7.1.120.0090.00615.85
7.1.110.0100.00015.78
7.1.100.0030.01016.94
7.1.90.0030.01415.85
7.1.80.0100.00715.77
7.1.70.0050.00516.29
7.1.60.0050.01517.67
7.1.50.0110.00525.04
7.1.40.0090.00615.61
7.1.30.0060.00315.54
7.1.20.0040.00415.71
7.1.10.0090.00615.66
7.1.00.0050.03819.03
7.0.330.0120.00615.36
7.0.320.0080.00415.21
7.0.310.0080.00315.55
7.0.300.0000.01415.25
7.0.290.0070.01115.28
7.0.280.0040.01115.17
7.0.270.0040.01115.27
7.0.260.0040.01115.36
7.0.250.0100.00315.50
7.0.240.0040.00415.31
7.0.230.0000.01515.35
7.0.220.0060.01015.33
7.0.210.0000.00815.22
7.0.200.0020.00716.00
7.0.190.0060.00615.36
7.0.180.0000.01415.42
7.0.170.0070.00715.52
7.0.160.0090.00015.47
7.0.150.0090.00615.47
7.0.140.0060.04018.66
7.0.130.0070.01015.40
7.0.120.0040.01115.36
7.0.110.0030.01315.39
7.0.100.0000.01115.29
7.0.90.0000.01115.54
7.0.80.0060.00615.46
7.0.70.0030.00615.34
7.0.60.0070.04617.52
7.0.50.0050.03516.69
7.0.40.0120.03816.81
7.0.30.0140.04716.86
7.0.20.0190.03816.83
7.0.10.0120.04216.68
7.0.00.0070.04516.65
5.6.400.0060.01014.46
5.6.390.0040.01114.44
5.6.380.0100.00614.32
5.6.370.0030.00914.47
5.6.360.0070.00714.32
5.6.350.0090.00614.47
5.6.340.0070.00713.97
5.6.330.0030.01314.57
5.6.320.0060.00613.98
5.6.310.0060.00914.15
5.6.300.0100.01014.11
5.6.290.0030.00614.32
5.6.280.0050.04117.63
5.6.270.0000.00914.27
5.6.260.0000.01114.58
5.6.250.0070.00714.50
5.6.240.0000.00814.28
5.6.230.0130.00014.39
5.6.220.0070.00714.36
5.6.210.0080.04017.57
5.6.200.0070.03316.34
5.6.190.0120.03717.55
5.6.180.0080.03317.30
5.6.170.0150.04217.53
5.6.160.0090.03717.36
5.6.150.0050.04316.31
5.6.140.0020.04216.36
5.6.130.0000.02916.25
5.6.120.0080.03717.56
5.6.110.0130.03817.62
5.6.100.0130.03217.72
5.6.90.0060.03017.51
5.6.80.0120.04017.30
5.6.70.2150.02017.32
5.6.60.0090.00314.35
5.6.50.0090.00314.30
5.6.40.0090.00613.92
5.6.30.0070.00714.40
5.6.20.0040.00814.34
5.6.10.0000.01014.13
5.6.00.0100.00714.19
5.5.380.0000.00814.37
5.5.370.0030.01014.09
5.5.360.0130.00014.19
5.5.350.0160.03817.38
5.5.340.0110.02516.01
5.5.330.0050.04817.28
5.5.320.0030.03717.20
5.5.310.0150.02717.47
5.5.300.0040.03116.26
5.5.290.0060.02316.21
5.5.280.0080.02317.50
5.5.270.0080.02317.56
5.5.260.0090.04417.56
5.5.250.0070.04317.37
5.5.240.0150.04417.04
5.5.230.0030.01414.18
5.5.220.0030.00914.43
5.5.210.0090.00314.35
5.5.200.0030.01014.26
5.5.190.0030.00914.18
5.5.180.0050.00514.39
5.5.170.0040.01214.40
5.5.160.0060.00614.03
5.5.150.0060.01014.07
5.5.140.0100.00013.96
5.5.130.0060.00614.26
5.5.120.0090.00914.32
5.5.110.0070.01014.39
5.5.100.0070.00714.31
5.5.90.0060.00614.32
5.5.80.0100.00314.40
5.5.70.0000.00814.13
5.5.60.0060.00314.13
5.5.50.0120.00314.28
5.5.40.0030.00714.42
5.5.30.0060.00914.12
5.5.20.0070.00414.37
5.5.10.0060.00614.11
5.5.00.0090.00913.90
5.4.450.0110.02515.30
5.4.440.0090.02415.33
5.4.430.0050.02515.38
5.4.420.0050.02315.08
5.4.410.0050.01815.14
5.4.400.0050.02615.24
5.4.390.0120.02115.16
5.4.380.0270.03514.96
5.4.370.0550.03014.88
5.4.360.0780.02914.77
5.4.350.0650.03314.78
5.4.340.0730.03814.88
5.4.330.0070.00710.76
5.4.320.0050.02211.87
5.4.310.0050.02111.92
5.4.300.0060.01911.68
5.4.290.0030.02611.91
5.4.280.0040.02611.67
5.4.270.0040.02411.71
5.4.260.0020.02911.90
5.4.250.0030.02811.67
5.4.240.0050.01911.79
5.4.230.0020.02411.60
5.4.220.0080.01811.78
5.4.210.0050.02111.87
5.4.200.0070.02011.53
5.4.190.0050.02111.74
5.4.180.0040.02311.79
5.4.170.0080.02211.73
5.4.160.0060.02411.68
5.4.150.0050.02311.70
5.4.140.0060.02611.59
5.4.130.0050.01911.64
5.4.120.0050.02011.46
5.4.110.0040.02211.55
5.4.100.0040.02711.57
5.4.90.0050.02311.53
5.4.80.0040.02311.65
5.4.70.0020.02911.42
5.4.60.0040.02611.62
5.4.50.0020.02111.63
5.4.40.0060.01611.56
5.4.30.0020.02111.56
5.4.20.0050.02211.61
5.4.10.0060.02411.57
5.4.00.0030.02211.41
5.3.290.0060.03812.80
5.3.280.0090.03312.71
5.3.270.0060.03712.73
5.3.260.0070.03712.71
5.3.250.0080.03412.71
5.3.240.0080.04212.72
5.3.230.0090.04012.71
5.3.220.0040.03912.68
5.3.210.0040.04012.68
5.3.200.0090.03912.68
5.3.190.0060.03712.68
5.3.180.0080.03412.67
5.3.170.0060.04012.66
5.3.160.0040.03912.67
5.3.150.0070.03512.68
5.3.140.0080.03712.66
5.3.130.0060.04812.65
5.3.120.0060.03812.66
5.3.110.0060.03812.66
5.3.100.0060.03612.12
5.3.90.0040.03712.11
5.3.80.0090.03612.09
5.3.70.0070.03612.09
5.3.60.0050.03612.09
5.3.50.0070.04012.03
5.3.40.0090.03712.03
5.3.30.0050.04412.01
5.3.20.0060.03511.77
5.3.10.0070.04311.74
5.3.00.0060.04011.72
5.2.170.0030.0329.23
5.2.160.0060.0279.22
5.2.150.0040.0309.22
5.2.140.0050.0299.22
5.2.130.0080.0289.18
5.2.120.0060.0279.19
5.2.110.0060.0279.19
5.2.100.0010.0319.18
5.2.90.0050.0279.18
5.2.80.0060.0289.18
5.2.70.0070.0279.18
5.2.60.0060.0329.13
5.2.50.0070.0339.10
5.2.40.0040.0309.08
5.2.30.0080.0269.05
5.2.20.0030.0339.05
5.2.10.0040.0318.95
5.2.00.0040.0308.81
5.1.60.0050.0228.10
5.1.50.0050.0248.09
5.1.40.0040.0248.07
5.1.30.0000.0298.42
5.1.20.0080.0268.44
5.1.10.0010.0288.17
5.1.00.0030.0258.17
5.0.50.0030.0196.64
5.0.40.0050.0196.50
5.0.30.0030.0376.32
5.0.20.0030.0206.29
5.0.10.0020.0216.27
5.0.00.0040.0366.26
4.4.90.0050.0154.78
4.4.80.0030.0174.75
4.4.70.0040.0174.75
4.4.60.0010.0184.75
4.4.50.0030.0144.77
4.4.40.0010.0254.71
4.4.30.0030.0194.76
4.4.20.0040.0174.84
4.4.10.0040.0134.85
4.4.00.0010.0274.75
4.3.110.0020.0164.67
4.3.100.0020.0164.67
4.3.90.0030.0144.63
4.3.80.0040.0244.59
4.3.70.0030.0184.63
4.3.60.0030.0184.63
4.3.50.0030.0144.63
4.3.40.0040.0234.54
4.3.30.0030.0183.30
4.3.20.0020.0193.28
4.3.10.0020.0183.23
4.3.00.0000.01314.87

preferences:
42.2 ms | 400 KiB | 5 Q