3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function __construct() { echo "a"; } } class B extends A { public function __construct() { parent::__construct(); parent::__construct(); echo "b"; } public function test() { parent::__construct(); } } $b = new B(); $b->test();

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)
8.3.60.0130.00316.50
8.3.50.0130.00621.20
8.3.40.0090.00618.85
8.3.30.0090.00618.58
8.3.20.0080.00018.57
8.3.10.0130.00719.82
8.3.00.0100.00719.68
8.2.180.0040.01118.16
8.2.170.0100.01022.96
8.2.160.0110.00319.12
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00021.07
8.2.110.0030.00620.96
8.2.100.0080.00418.04
8.2.90.0040.00419.23
8.2.80.0030.00517.97
8.2.70.0040.00417.46
8.2.60.0040.00417.93
8.2.50.0090.00018.10
8.2.40.0040.00820.61
8.2.30.0000.00720.64
8.2.20.0040.00417.50
8.2.10.0050.00317.91
8.2.00.0000.00718.05
8.1.280.0110.00425.92
8.1.270.0140.00423.86
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00722.20
8.1.230.0060.00619.10
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.10
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0000.00818.95
8.1.160.0080.00019.01
8.1.150.0000.00718.87
8.1.140.0070.00020.22
8.1.130.0070.00017.64
8.1.120.0050.00217.47
8.1.110.0030.00617.22
8.1.100.0080.00017.40
8.1.90.0050.00317.43
8.1.80.0070.00017.39
8.1.70.0000.00717.40
8.1.60.0040.00417.58
8.1.50.0030.00617.54
8.1.40.0000.00717.47
8.1.30.0040.00417.68
8.1.20.0000.00917.49
8.1.10.0040.00417.50
8.1.00.0040.00417.52
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0070.00018.36
8.0.270.0070.00017.29
8.0.260.0030.00317.31
8.0.250.0030.00316.88
8.0.240.0000.00716.79
8.0.230.0070.00016.88
8.0.220.0040.00416.88
8.0.210.0040.00416.70
8.0.200.0060.00016.78
8.0.190.0040.00416.89
8.0.180.0020.00516.87
8.0.170.0070.00016.75
8.0.160.0030.00316.87
8.0.150.0000.00716.79
8.0.140.0040.00516.84
8.0.130.0030.00313.21
8.0.120.0030.00516.81
8.0.110.0040.00416.69
8.0.100.0040.00416.82
8.0.90.0040.00416.82
8.0.80.0070.01416.87
8.0.70.0020.00516.76
8.0.60.0000.00816.79
8.0.50.0050.00216.88
8.0.30.0070.00916.99
8.0.20.0110.01017.42
8.0.10.0070.00016.94
8.0.00.0110.00716.60
7.4.330.0050.00015.14
7.4.320.0000.00616.50
7.4.300.0000.00616.60
7.4.290.0030.00316.50
7.4.280.0030.00316.61
7.4.270.0030.00316.45
7.4.260.0040.00416.45
7.4.250.0000.00716.57
7.4.240.0040.00416.62
7.4.230.0050.00216.43
7.4.220.0040.01416.59
7.4.210.0070.01116.62
7.4.200.0040.00416.43
7.4.160.0060.01016.54
7.4.150.0130.00617.40
7.4.140.0050.01317.86
7.4.130.0060.01116.55
7.4.120.0060.01116.50
7.4.110.0110.00716.55
7.4.100.0200.00316.60
7.4.90.0180.00016.59
7.4.80.0100.01019.39
7.4.70.0080.00816.40
7.4.60.0030.01716.44
7.4.50.0000.01216.29
7.4.40.0210.00316.44
7.4.30.0130.00316.34
7.4.00.0070.00714.71
7.3.330.0060.00013.11
7.3.320.0060.00013.24
7.3.310.0040.00416.09
7.3.300.0000.00716.24
7.3.290.0000.00716.12
7.3.280.0070.01016.19
7.3.270.0000.01717.40
7.3.260.0150.00916.44
7.3.250.0140.00316.27
7.3.240.0100.01016.29
7.3.230.0030.01316.58
7.3.210.0110.01116.26
7.3.200.0110.00719.39
7.3.190.0120.00316.30
7.3.180.0120.00916.30
7.3.170.0030.01716.50
7.3.160.0040.01116.17
7.3.00.0070.00716.39
7.2.330.0150.01016.57
7.2.320.0160.00316.74
7.2.310.0090.00616.49
7.2.300.0040.01316.52
7.2.290.0140.00316.77
7.2.130.0110.00416.56
7.2.120.0140.00316.81
7.2.110.0060.00916.82
7.2.100.0000.01316.77
7.2.90.0050.01016.78
7.2.80.0100.00616.84
7.2.70.0180.00416.61
7.2.60.0050.00816.81
7.2.50.0100.01016.92
7.2.40.0070.00716.80
7.2.30.0110.00716.89
7.2.20.0090.00616.83
7.2.10.0090.00916.63
7.2.00.0030.01316.69
7.1.250.0060.00615.28
7.1.240.0060.00615.57
7.1.230.0040.01115.63
7.1.220.0090.00615.16
7.1.210.0070.00715.50
7.1.200.0110.00015.71
7.1.190.0090.00615.59
7.1.180.0100.00615.23
7.1.170.0150.00315.62
7.1.160.0130.00315.42
7.1.150.0100.00315.49
7.1.140.0100.00315.22
7.1.130.0070.01015.55
7.1.120.0040.01215.52
7.1.110.0090.00915.66
7.1.100.0070.00715.61
7.1.90.0100.00315.46
7.1.80.0080.00415.64
7.1.70.0060.00616.29
7.1.60.0120.00317.55
7.1.50.0100.00715.62
7.1.40.0070.01015.64
7.1.30.0030.01315.31
7.1.20.0100.00715.57
7.1.10.0130.00315.35
7.1.00.0050.04118.94
7.0.330.0110.00415.10
7.0.320.0060.00615.06
7.0.310.0030.01414.96
7.0.300.0140.00415.18
7.0.290.0100.00714.89
7.0.280.0060.01215.20
7.0.270.0080.00315.04
7.0.260.0090.00615.16
7.0.250.0090.00914.92
7.0.240.0090.00615.29
7.0.230.0110.00415.14
7.0.220.0060.00915.27
7.0.210.0070.00715.17
7.0.200.0280.00314.85
7.0.190.0070.00415.18
7.0.180.0000.01214.95
7.0.170.0040.01215.10
7.0.160.0100.01015.25
7.0.150.0120.00415.02
7.0.140.0040.01115.10
7.0.130.0130.00015.28
7.0.120.0080.00315.40
7.0.110.0100.00715.16
7.0.100.0100.02617.44
7.0.90.0090.04417.48
7.0.80.0050.04517.55
7.0.70.0070.03417.54
7.0.60.0050.04517.54
7.0.50.0100.04117.90
7.0.40.0070.02916.73
7.0.30.0130.03716.77
7.0.20.0100.04016.79
7.0.10.0080.02416.65
7.0.00.0050.03716.59
5.6.380.0080.00514.09
5.6.370.0130.00613.86
5.6.360.0070.01014.48
5.6.350.0110.00414.25
5.6.340.0090.00314.23
5.6.330.0120.00314.39
5.6.320.0050.00814.23
5.6.310.0070.00514.18
5.6.300.0110.00414.42
5.6.290.0090.00414.55
5.6.280.0050.04017.85
5.6.270.0080.00514.41
5.6.260.0040.01114.25
5.6.250.0070.02717.56
5.6.240.0100.04217.33
5.6.230.0120.04417.36
5.6.220.0050.04217.48
5.6.210.0100.04317.38
5.6.200.0130.04017.81
5.6.190.0080.02717.75
5.6.180.0060.05117.56
5.6.170.0130.02817.62
5.6.160.0080.04517.62
5.6.150.0090.04617.60
5.6.140.0110.02817.73
5.6.130.0030.05117.75
5.6.120.0060.04917.55
5.6.110.0090.04117.67
5.6.100.0100.04717.64
5.6.90.0030.03717.53
5.6.80.0070.02617.38
5.6.70.0050.02517.35
5.6.60.0100.03717.18
5.6.50.0070.04517.29
5.6.40.0020.05017.15
5.6.30.0060.04417.03
5.6.20.0000.04917.29
5.6.10.0050.03117.22
5.6.00.0130.03717.23
5.5.380.0020.02915.85
5.5.370.0030.05315.69
5.5.360.0040.04615.63
5.5.350.0070.04415.59
5.5.340.0090.02816.01
5.5.330.0080.02716.00
5.5.320.0100.04016.06
5.5.310.0090.03815.99
5.5.300.0120.03815.93
5.5.290.0080.03516.06
5.5.280.0110.02515.97
5.5.270.0090.05316.11
5.5.260.0130.03715.99
5.5.250.0120.03315.81
5.5.240.0070.02715.60
5.5.230.0070.03215.67
5.5.220.0060.02215.57
5.5.210.0070.03215.67
5.5.200.0070.03915.58
5.5.190.0080.04515.73
5.5.180.0070.04315.75
5.5.170.0040.00711.26
5.5.160.0050.04015.52
5.5.150.0070.02315.57
5.5.140.0080.04015.55
5.5.130.0030.04515.59
5.5.120.0040.03815.72
5.5.110.0060.04315.56
5.5.100.0070.03815.57
5.5.90.0090.03815.65
5.5.80.0050.03715.48
5.5.70.0030.04515.51
5.5.60.0100.03815.54
5.5.50.0100.03815.47
5.5.40.0050.04315.50
5.5.30.0070.04215.51
5.5.20.0080.03215.64
5.5.10.0050.04215.56
5.5.00.0050.04615.56

preferences:
44.21 ms | 401 KiB | 5 Q