3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $c = 0; public function __construct($c) { $this->c = $c; print($this->c); print($c); } } class B extends A { public function __construct($c) { parent::__construct(++$this->c > 0 ? ++$c : -1); } } $b = new B(2);

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)
8.3.40.0080.00618.59
8.3.30.0110.00319.23
8.3.20.0080.00020.34
8.3.10.0040.00423.66
8.3.00.0080.00019.38
8.2.170.0110.00422.96
8.2.160.0070.01020.46
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0120.00626.16
8.2.120.0070.00021.00
8.2.110.0060.00319.33
8.2.100.0080.00417.78
8.2.90.0040.00419.25
8.2.80.0080.00017.97
8.2.70.0090.00017.63
8.2.60.0030.00918.04
8.2.50.0030.00618.07
8.2.40.0050.00218.34
8.2.30.0030.00618.16
8.2.20.0000.00817.66
8.2.10.0070.00018.18
8.2.00.0000.00817.76
8.1.270.0030.00622.14
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.46
8.1.230.0070.00420.97
8.1.220.0030.00618.77
8.1.210.0040.00418.87
8.1.200.0030.00617.35
8.1.190.0040.00417.10
8.1.180.0000.00918.10
8.1.170.0030.00518.62
8.1.160.0070.00021.85
8.1.150.0070.00018.80
8.1.140.0070.00017.33
8.1.130.0040.00417.39
8.1.120.0070.00017.42
8.1.110.0070.00017.41
8.1.100.0040.00417.41
8.1.90.0000.00917.41
8.1.80.0000.00817.29
8.1.70.0040.00417.27
8.1.60.0060.00317.57
8.1.50.0050.00317.43
8.1.40.0000.00817.59
8.1.30.0000.00817.57
8.1.20.0040.00417.65
8.1.10.0000.00717.57
8.1.00.0070.00017.50
8.0.300.0030.00619.79
8.0.290.0040.00416.63
8.0.280.0000.00718.40
8.0.270.0020.00517.11
8.0.260.0070.00016.92
8.0.250.0000.00716.99
8.0.240.0080.00017.03
8.0.230.0000.00716.91
8.0.220.0000.00816.80
8.0.210.0000.00616.87
8.0.200.0060.00016.92
8.0.190.0000.00916.89
8.0.180.0040.00416.90
8.0.170.0000.00816.81
8.0.160.0050.00316.71
8.0.150.0050.00216.73
8.0.140.0040.00416.82
8.0.130.0030.00513.23
8.0.120.0050.00316.78
8.0.110.0080.00016.73
8.0.100.0070.00016.83
8.0.90.0070.00016.73
8.0.80.0060.01016.80
8.0.70.0040.00416.79
8.0.60.0080.00016.89
8.0.50.0030.00516.78
8.0.30.0080.01317.03
8.0.20.0140.00817.40
8.0.10.0040.00416.90
8.0.00.0170.01616.81
7.4.330.0000.00515.00
7.4.320.0030.00316.38
7.4.300.0040.00416.66
7.4.290.0030.00716.49
7.4.280.0000.00816.54
7.4.270.0030.00316.62
7.4.260.0040.00416.64
7.4.250.0070.00016.61
7.4.240.0050.00216.52
7.4.230.0030.00316.71
7.4.220.0120.00916.65
7.4.210.0060.01216.55
7.4.200.0070.00016.39
7.4.160.0040.01216.68
7.4.150.0090.00917.40
7.4.140.0110.00917.86
7.4.130.0190.01916.56
7.4.120.0150.00316.49
7.4.110.0060.01116.55
7.4.100.0130.00816.58
7.4.90.0180.00316.43
7.4.80.0070.01019.39
7.4.70.0060.01216.52
7.4.60.0100.00716.38
7.4.50.0000.00416.45
7.4.40.0090.00616.64
7.4.30.0030.01416.51
7.4.10.0070.01015.04
7.4.00.0100.00614.80
7.3.330.0030.00313.16
7.3.320.0000.00613.29
7.3.310.0000.00616.28
7.3.300.0000.00716.18
7.3.290.0060.01016.38
7.3.280.0080.00916.29
7.3.270.0030.01417.40
7.3.260.0150.00616.61
7.3.240.0040.01116.29
7.3.230.0100.00616.59
7.3.210.0100.00716.63
7.3.200.0120.00919.39
7.3.190.0120.00916.38
7.3.180.0100.01016.54
7.3.170.0090.00616.27
7.3.160.0000.01416.57
7.3.130.0090.00914.95
7.3.120.0120.00614.79
7.3.110.0150.00314.95
7.3.100.0070.00714.52
7.3.90.0110.00415.02
7.3.80.0070.00415.16
7.3.70.0030.00614.92
7.3.60.0030.01014.86
7.3.50.0100.00314.72
7.3.40.0070.00414.67
7.3.30.0000.00914.66
7.3.20.0040.00716.62
7.3.10.0050.00516.43
7.3.00.0080.00716.59
7.2.330.0120.00616.41
7.2.320.0120.01216.60
7.2.310.0070.01416.86
7.2.300.0150.00616.83
7.2.290.0190.00316.59
7.2.260.0100.00714.83
7.2.250.0080.00814.74
7.2.240.0120.00615.01
7.2.230.0070.00715.18
7.2.220.0040.01414.95
7.2.210.0070.00715.02
7.2.200.0080.00815.03
7.2.190.0060.01215.00
7.2.180.0000.01214.79
7.2.170.0060.00914.75
7.2.160.0040.00415.03
7.2.150.0130.00316.92
7.2.140.0040.01217.03
7.2.130.0070.00717.06
7.2.120.0040.01316.92
7.2.110.0060.00817.00
7.2.100.0090.00216.99
7.2.90.0050.01116.93
7.2.80.0070.01117.13
7.2.70.0060.00616.89
7.2.60.0040.00916.93
7.2.50.0080.00816.92
7.2.40.0070.00616.88
7.2.30.0080.00916.99
7.2.20.0020.01316.88
7.2.10.0060.00616.74
7.2.00.0100.00516.96
7.1.330.0070.00715.62
7.1.320.0030.00615.91
7.1.310.0070.00715.64
7.1.300.0030.00615.73
7.1.290.0040.00415.77
7.1.280.0000.01415.77
7.1.270.0090.00315.58
7.1.260.0060.00615.86
7.1.250.0080.00815.64
7.1.240.0050.00815.80
7.1.230.0080.00515.63
7.1.220.0000.01115.80
7.1.210.0100.00415.58
7.1.200.0040.01015.71
7.1.190.0100.00715.59
7.1.180.0070.00915.44
7.1.170.0030.00815.76
7.1.160.0080.00615.66
7.1.150.0050.00815.69
7.1.140.0060.00515.63
7.1.130.0040.00715.60
7.1.120.0040.00915.56
7.1.110.0070.00515.69
7.1.100.0060.00615.91
7.1.90.0080.00515.65
7.1.80.0110.00615.74
7.1.70.0070.00816.20
7.1.60.0090.00816.94
7.1.50.0050.01415.94
7.1.40.0020.00915.72
7.1.30.0050.01215.56
7.1.20.0080.00615.72
7.1.10.0060.00715.57
7.1.00.0020.03317.92
7.0.330.0050.00615.32
7.0.320.0030.00815.18
7.0.310.0070.00315.35
7.0.300.0060.00815.25
7.0.290.0040.01115.27
7.0.280.0050.00615.31
7.0.270.0060.00415.30
7.0.260.0050.00615.55
7.0.250.0020.01015.40
7.0.240.0050.00515.38
7.0.230.0090.00415.30
7.0.220.0070.00315.54
7.0.210.0040.00915.39
7.0.200.0040.00615.74
7.0.190.0030.01115.48
7.0.180.0060.00515.48
7.0.170.0060.00515.33
7.0.160.0020.01415.22
7.0.150.0070.00915.46
7.0.140.0040.02717.67
7.0.130.0050.01015.37
7.0.120.0040.00615.55
7.0.110.0080.02116.89
7.0.100.0080.01716.83
7.0.90.0030.02117.01
7.0.80.0080.02317.03
7.0.70.0120.01916.82
7.0.60.0130.01616.87
7.0.50.0060.02517.00
7.0.40.0040.01915.57
7.0.30.0060.01915.54
7.0.20.0070.02015.61
7.0.10.0050.01615.47
7.0.00.0080.01715.48
5.6.400.0000.00914.26
5.6.390.0120.00314.85
5.6.380.0060.00514.46
5.6.370.0040.00814.44
5.6.360.0010.01114.43
5.6.350.0070.00814.53
5.6.340.0120.00414.49
5.6.330.0080.00614.40
5.6.320.0060.00714.56
5.6.310.0080.00414.33
5.6.300.0030.00814.14
5.6.290.0050.00714.21
5.6.280.0100.02616.58
5.6.270.0050.00714.29
5.6.260.0110.01616.62
5.6.250.0070.01616.49
5.6.240.0010.02216.40
5.6.230.0060.02116.46
5.6.220.0080.01616.33
5.6.210.0030.02116.40
5.6.200.0010.01916.32
5.6.190.0020.02116.27
5.6.180.0050.01516.41
5.6.170.0020.02016.46
5.6.160.0020.02316.48
5.6.150.0070.02916.51
5.6.140.0040.02116.41
5.6.130.0040.01916.54
5.6.120.0080.02916.49
5.6.110.0060.02116.39
5.6.100.0030.01716.41
5.6.90.0070.01716.33
5.6.80.0030.02016.23
5.6.70.0080.02616.30
5.6.60.0070.02516.23
5.6.50.0030.01716.25
5.6.40.0020.03216.28
5.6.30.0060.01316.16
5.6.20.0070.02416.17
5.6.10.0030.02216.04
5.6.00.0070.03016.28
5.5.380.0040.01514.30
5.5.370.0080.01314.45
5.5.360.0030.02014.45
5.5.350.0030.02114.37
5.5.340.0040.01914.59
5.5.330.0080.01614.57
5.5.320.0010.02214.39
5.5.310.0050.01614.43
5.5.300.0070.01514.40
5.5.290.0040.01714.59
5.5.280.0040.01714.49
5.5.270.0070.01514.53
5.5.260.0060.01614.64
5.5.250.0040.01714.25
5.5.240.0020.01914.10
5.5.230.0070.01514.32
5.5.220.0070.01914.15
5.5.210.0050.02514.28
5.5.200.0060.01614.24
5.5.190.0080.02814.24
5.5.180.0040.01814.21
5.5.170.0060.00312.73
5.5.160.0070.02514.28
5.5.150.0110.02514.36
5.5.140.0080.02614.22
5.5.130.0030.02114.24
5.5.120.0040.01914.37
5.5.110.0020.03314.30
5.5.100.0040.03414.05
5.5.90.0090.02714.24
5.5.80.0070.02314.20
5.5.70.0050.02114.27
5.5.60.0040.03014.31
5.5.50.0060.03014.11
5.5.40.0060.03314.27
5.5.30.0050.02814.10
5.5.20.0080.01814.13
5.5.10.0120.01114.36
5.5.00.0040.02514.15
5.4.450.0030.01813.84
5.4.440.0100.01213.75
5.4.430.0050.01613.92
5.4.420.0050.01313.73
5.4.410.0040.01713.72
5.4.400.0030.02113.65
5.4.390.0040.01813.80
5.4.380.0080.01513.69
5.4.370.0010.01813.74
5.4.360.0070.02713.77
5.4.350.0020.01813.77
5.4.340.0010.02913.70
5.4.330.0000.00911.09
5.4.320.0070.02913.66
5.4.310.0110.02013.78
5.4.300.0060.02713.72
5.4.290.0060.02813.72
5.4.280.0090.02513.74
5.4.270.0060.01713.87
5.4.260.0020.02113.82
5.4.250.0070.02913.66
5.4.240.0070.03013.73
5.4.230.0020.02013.70
5.4.220.0030.03413.76
5.4.210.0070.02413.86
5.4.200.0060.02913.71
5.4.190.0090.01913.74
5.4.180.0060.02813.81
5.4.170.0060.02313.70
5.4.160.0040.02513.68
5.4.150.0040.01813.81
5.4.140.0060.03113.03
5.4.130.0090.01912.92
5.4.120.0070.02912.88
5.4.110.0020.03112.91
5.4.100.0040.02812.91
5.4.90.0040.01812.88
5.4.80.0040.02612.76
5.4.70.0070.02512.96
5.4.60.0030.02012.91
5.4.50.0070.02012.73
5.4.40.0010.03012.90
5.4.30.0050.02712.86
5.4.20.0060.02612.89
5.4.10.0040.03112.91
5.4.00.0070.02612.67
5.3.290.0020.03812.75
5.3.280.0090.04012.62
5.3.270.0030.04612.64
5.3.260.0060.04112.71
5.3.250.0050.02212.56
5.3.240.0100.02112.73
5.3.230.0030.04212.66
5.3.220.0040.03312.54
5.3.210.0050.04312.53
5.3.200.0040.02412.53
5.3.190.0050.04212.64
5.3.180.0090.03112.68
5.3.170.0020.02612.51
5.3.160.0090.02712.54
5.3.150.0020.03412.60
5.3.140.0030.03812.58
5.3.130.0030.04212.51
5.3.120.0080.03512.53
5.3.110.0070.01912.57
5.3.100.0100.03112.28
5.3.90.0030.01812.37
5.3.80.0050.04012.29
5.3.70.0030.04012.30
5.3.60.0050.03812.20
5.3.50.0080.03512.26
5.3.40.0050.02312.34
5.3.30.0080.03512.26
5.3.20.0020.03512.12
5.3.10.0020.03112.07
5.3.00.0050.03012.10
5.2.170.0020.03511.16
5.2.160.0030.03211.16
5.2.150.0000.03611.16
5.2.140.0050.02411.16
5.2.130.0060.01211.16
5.2.120.0060.01311.16
5.2.110.0020.02411.16
5.2.100.0020.03311.16
5.2.90.0080.02511.16
5.2.80.0030.01611.16
5.2.70.0070.02511.16
5.2.60.0070.03011.16
5.2.50.0070.02811.16
5.2.40.0060.02811.16
5.2.30.0020.03511.16
5.2.20.0090.02511.16
5.2.10.0030.02311.16
5.2.00.0030.02211.16
5.1.60.0030.02811.16
5.1.50.0010.03011.16
5.1.40.0050.02811.16
5.1.30.0020.03211.16
5.1.20.0070.01311.16
5.1.10.0030.02611.16
5.1.00.0050.03011.16
5.0.50.0050.02311.16
5.0.40.0030.02511.16
5.0.30.0030.02411.16
5.0.20.0060.01511.16
5.0.10.0000.01611.16
5.0.00.0000.02411.16
4.4.90.0010.02111.16
4.4.80.0050.01511.16
4.4.70.0020.01611.16
4.4.60.0020.01311.16
4.4.50.0030.01211.16
4.4.40.0000.02811.16
4.4.30.0030.01811.16
4.4.20.0000.02111.16
4.4.10.0050.01511.16
4.4.00.0010.02811.16
4.3.110.0050.01811.16
4.3.100.0020.01511.16
4.3.90.0020.01611.16
4.3.80.0030.02811.16
4.3.70.0020.01811.16
4.3.60.0020.01311.16
4.3.50.0020.01811.16
4.3.40.0020.02311.16
4.3.30.0040.01611.16
4.3.20.0050.00811.16
4.3.10.0020.02011.16
4.3.00.0000.02111.16

preferences:
83.79 ms | 400 KiB | 5 Q