3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ConstructorTest { public function __construct() { echo "ConstructorTest"; } } class ConstructorTest1 extends ConstructorTest { public function ConstructorTest1() { parent::__construct(); } } class ConstructorTest2 extends ConstructorTest1 { public function ConstructorTest2() { $this->ConstructorTest1(); } } class ConstructorTest3 extends ConstructorTest2 { public function ConstructorTest2() { parent::__construct(); } } $test1 = new ConstructorTest(); $test2 = new ConstructorTest1(); $test3 = new ConstructorTest2(); $test4 = new ConstructorTest3();

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)
8.3.60.0060.01216.63
8.3.50.0280.00416.43
8.3.40.0060.00918.54
8.3.30.0140.00418.41
8.3.20.0040.00418.61
8.3.10.0080.00018.60
8.3.00.0070.00319.38
8.2.180.0090.00916.75
8.2.170.0110.00422.96
8.2.160.0090.00618.96
8.2.150.0080.00024.18
8.2.140.0130.00324.66
8.2.130.0020.00526.16
8.2.120.0040.00420.76
8.2.110.0040.00421.18
8.2.100.0040.00717.78
8.2.90.0080.00017.63
8.2.80.0040.00418.95
8.2.70.0050.00517.63
8.2.60.0040.00417.50
8.2.50.0000.00817.93
8.2.40.0040.00419.35
8.2.30.0030.00717.53
8.2.20.0030.00617.55
8.2.10.0000.00817.49
8.2.00.0040.00417.51
8.1.280.0060.01225.92
8.1.270.0100.00723.99
8.1.260.0070.00026.35
8.1.250.0150.00328.09
8.1.240.0030.00619.26
8.1.230.0090.00322.70
8.1.220.0050.00318.52
8.1.210.0080.00018.77
8.1.200.0090.00017.23
8.1.190.0030.00517.13
8.1.180.0050.00318.10
8.1.170.0040.00417.62
8.1.160.0000.00718.95
8.1.150.0000.00718.58
8.1.140.0050.00217.36
8.1.130.0070.00019.16
8.1.120.0040.00417.40
8.1.110.0000.00817.39
8.1.100.0000.00717.45
8.1.90.0050.00217.41
8.1.80.0020.00517.38
8.1.70.0000.00717.39
8.1.60.0030.00617.54
8.1.50.0070.00017.35
8.1.40.0000.00817.47
8.1.30.0000.00817.54
8.1.20.0000.00717.66
8.1.10.0040.00417.61
8.1.00.0070.00017.39
8.0.300.0050.00318.77
8.0.290.0050.00316.63
8.0.280.0000.00618.57
8.0.270.0000.00717.23
8.0.260.0000.00716.78
8.0.250.0040.00416.88
8.0.240.0000.00716.87
8.0.230.0000.00716.78
8.0.220.0040.00416.83
8.0.210.0000.00716.84
8.0.200.0060.00016.83
8.0.190.0000.00716.95
8.0.180.0030.00616.85
8.0.170.0000.01016.73
8.0.160.0070.00016.83
8.0.150.0000.00716.86
8.0.140.0000.00916.88
8.0.130.0060.00013.27
8.0.120.0080.00016.70
8.0.110.0000.00816.80
8.0.100.0040.00416.70
8.0.90.0040.00416.69
8.0.80.0070.01116.86
8.0.70.0000.00716.89
8.0.60.0060.00316.76
8.0.50.0040.00416.84
8.0.30.0000.02017.18
8.0.20.0130.01117.05
8.0.10.0000.00816.84
8.0.00.0140.00316.58
7.4.330.0050.00012.89
7.4.320.0000.00616.40
7.4.300.0000.00716.50
7.4.290.0000.00716.58
7.4.280.0030.00516.46
7.4.270.0070.00016.51
7.4.260.0000.00513.19
7.4.250.0030.00516.45
7.4.240.0030.00316.60
7.4.230.0050.00516.35
7.4.220.0070.01416.68
7.4.210.0060.01016.50
7.4.200.0040.00416.64
7.4.190.0000.00716.78
7.4.160.0070.01016.42
7.4.150.0060.01216.32
7.4.140.0140.00716.38
7.4.130.0120.00416.48
7.4.120.0080.01516.70
7.4.110.0090.00916.41
7.4.100.0150.00816.47
7.4.90.0110.00716.55
7.4.80.0060.01219.39
7.4.70.0160.00616.43
7.4.60.0080.00716.54
7.4.50.0000.00716.36
7.4.40.0070.00716.45
7.4.30.0120.00616.31
7.4.00.0060.00914.82
7.3.330.0060.00013.24
7.3.320.0000.00613.31
7.3.310.0000.00716.34
7.3.300.0030.00316.27
7.3.290.0110.00616.36
7.3.280.0080.00716.27
7.3.270.0140.00416.19
7.3.260.0110.00616.39
7.3.250.0130.00516.28
7.3.240.0130.00316.29
7.3.230.0050.01016.30
7.3.210.0080.00816.41
7.3.200.0090.00916.51
7.3.190.0030.01616.36
7.3.180.0130.00316.30
7.3.170.0130.00416.31
7.3.160.0090.00916.45
7.3.120.0120.00314.88
7.2.330.0070.01016.32
7.2.320.0060.01616.44
7.2.310.0070.01016.43
7.2.300.0100.01316.73
7.2.290.0060.00916.35
7.2.120.0030.01316.20
7.2.110.0070.01016.65
7.2.100.0000.01516.66
7.2.90.0000.01516.44
7.2.80.0030.01316.65
7.2.70.0040.00416.89
7.2.60.0090.00616.86
7.2.50.0070.01016.61
7.2.40.0030.01216.89
7.2.30.0030.00617.00
7.2.20.0070.00716.87
7.2.10.0040.00916.92
7.2.00.0050.00718.00
7.1.240.0040.01115.47
7.1.230.0100.00315.55
7.1.220.0060.00915.64
7.1.210.0030.01015.80
7.1.200.0050.01215.26
7.1.190.0050.00515.62
7.1.180.0030.01015.73
7.1.170.0070.00415.78
7.1.160.0040.01115.50
7.1.150.0040.01115.56
7.1.140.0070.00315.36
7.1.130.0000.01215.63
7.1.120.0090.00615.56
7.1.110.0090.00315.47
7.1.100.0030.01015.82
7.1.90.0070.00715.63
7.1.80.0030.01015.48
7.1.70.0110.00216.27
7.1.60.0060.00616.23
7.1.50.0080.00816.36
7.1.40.0030.00915.34
7.1.30.0040.00415.55
7.1.20.0030.00715.33
7.1.10.0000.01015.56
7.1.00.0080.02319.11
7.0.320.0080.00415.34
7.0.310.0000.01415.38
7.0.300.0040.01115.08
7.0.290.0050.00315.22
7.0.280.0040.00415.13
7.0.270.0030.00615.36
7.0.260.0030.00615.00
7.0.250.0000.01215.36
7.0.240.0080.00315.27
7.0.230.0060.00615.46
7.0.220.0060.00615.09
7.0.210.0030.01015.15
7.0.200.0080.00716.09
7.0.190.0030.01015.22
7.0.180.0000.00715.27
7.0.170.0100.00015.22
7.0.160.0000.01115.08
7.0.150.0070.00715.33
7.0.140.0070.03818.62
7.0.130.0060.00615.21
7.0.120.0030.03718.63
7.0.110.0040.00415.40
7.0.100.0060.00915.43
7.0.90.0060.00615.26
7.0.80.0100.00315.45
7.0.70.0060.00615.20
7.0.60.0050.03817.64
7.0.50.0140.03816.52
7.0.40.0130.04216.82
7.0.30.0170.02316.78
7.0.20.0210.03116.92
7.0.10.0140.03716.60
7.0.00.0060.03316.65
5.6.380.0060.00614.45
5.6.370.0090.00014.53
5.6.360.0000.01214.14
5.6.350.0030.00614.18
5.6.340.0080.00414.16
5.6.330.0080.00414.45
5.6.320.0030.00614.55
5.6.310.0000.01214.67
5.6.300.0070.00314.32
5.6.290.0030.00514.36
5.6.280.0040.04017.67
5.6.270.0070.00314.29
5.6.260.0100.00014.36
5.6.250.0070.00414.58
5.6.240.0050.00314.41
5.6.230.0040.00414.21
5.6.220.0120.00313.96
5.6.210.0040.02517.43
5.6.200.0090.03316.30
5.6.190.0020.03017.33
5.6.180.0210.03917.25
5.6.170.0170.04317.39
5.6.160.0190.04017.63
5.6.150.0090.02416.21
5.6.140.0130.02716.34
5.6.130.0090.02816.35
5.6.120.0120.03017.85
5.6.110.0120.04417.58
5.6.100.0090.02317.54
5.6.90.0140.04217.73
5.6.80.0150.04017.23
5.6.70.1620.01817.31
5.6.60.0110.01114.14
5.6.50.0120.00714.09
5.6.40.0120.01514.28
5.6.30.0210.00614.38
5.6.20.0170.00314.20
5.6.10.0090.00914.29
5.6.00.0190.00014.28
5.5.380.0060.00311.58
5.5.370.0000.00611.58
5.5.360.0030.00611.58
5.5.350.0130.02316.00
5.5.340.0070.02014.80
5.5.330.0080.03915.95
5.5.320.0170.02015.96
5.5.310.0160.02215.97
5.5.300.0050.03414.78
5.5.290.0090.04114.83
5.5.280.0060.03616.18
5.5.270.0140.03016.21
5.5.260.0090.04016.23
5.5.250.0090.03316.09
5.5.240.0150.01815.88
5.5.230.0090.00311.58
5.5.220.0110.00011.58
5.5.210.0130.00011.58
5.5.200.0070.00311.58
5.5.190.0050.00911.58
5.5.180.0090.00911.58
5.5.170.0080.01414.28
5.5.160.0150.00811.58
5.5.150.0100.00511.58
5.5.140.0100.00311.58
5.5.130.0120.00411.58
5.5.120.0080.00811.58
5.5.110.0110.00611.58
5.5.100.0070.00311.58
5.5.90.0060.00511.58
5.5.80.0120.00311.58
5.5.70.0060.00811.58
5.5.60.0030.00911.58
5.5.50.0110.00211.58
5.5.40.0110.00411.58
5.5.30.0050.01011.58
5.5.20.0150.00011.58
5.5.10.0120.00311.58
5.5.00.0070.00711.58
5.4.450.0070.02215.40
5.4.440.0100.03715.36
5.4.430.0100.04315.45
5.4.420.0050.03815.52
5.4.410.0040.02415.32
5.4.400.0070.02515.22
5.4.390.0060.04415.23
5.4.380.0090.01815.38
5.4.370.0030.04315.37
5.4.360.0070.03815.28
5.4.350.0070.02115.21
5.4.340.0070.04315.28
5.4.330.0140.00011.58
5.4.320.0050.03815.28
5.4.310.0090.03215.36
5.4.300.0090.04015.33
5.4.290.0050.02315.28
5.4.280.0090.03515.37
5.4.270.0080.04015.37
5.4.260.0050.02415.36
5.4.250.0020.02415.28
5.4.240.0060.02015.37
5.4.230.0120.01715.41
5.4.220.0120.01815.21
5.4.210.0040.02115.21
5.4.200.0100.01815.37
5.4.190.0070.02015.37
5.4.180.0100.01815.21
5.4.170.0060.02115.41
5.4.160.0100.01715.40
5.4.150.0060.02015.21
5.4.140.0090.02014.00
5.4.130.0080.01814.02
5.4.120.0020.02314.03
5.4.110.0090.01814.08
5.4.100.0070.02214.05
5.4.90.0090.01714.03
5.4.80.0060.01814.01
5.4.70.0050.01813.95
5.4.60.0100.01513.92
5.4.50.0080.02513.92
5.4.40.0060.01713.92
5.4.30.0070.01814.00
5.4.20.0070.01914.01
5.4.10.0080.02114.02
5.4.00.0040.02213.70
5.3.290.0080.04013.07
5.3.280.0050.02213.10
5.3.270.0020.02413.04
5.3.260.0090.02113.11
5.3.250.0060.02213.09
5.3.240.0020.02113.10
5.3.230.0030.02213.10
5.3.220.0060.01813.07
5.3.210.0040.02013.11
5.3.200.0080.02213.15
5.3.190.0040.02013.11
5.3.180.0030.02313.11
5.3.170.0120.01813.08
5.3.160.0070.01713.10
5.3.150.0110.01613.10
5.3.140.0060.02113.07
5.3.130.0070.01713.02
5.3.120.0030.02513.07
5.3.110.0060.02013.08
5.3.100.0080.01712.85
5.3.90.0080.01812.75
5.3.80.0060.01712.80
5.3.70.0040.01812.84
5.3.60.0050.02012.80
5.3.50.0050.02012.78
5.3.40.0080.02212.79
5.3.30.0060.02012.75
5.3.20.0120.02712.71
5.3.10.0090.02412.66
5.3.00.0060.04012.56
5.2.170.0100.01111.40
5.2.160.0030.01711.41
5.2.150.0050.01611.35
5.2.140.0060.01511.37
5.2.130.0090.01511.37
5.2.120.0070.02711.35
5.2.110.0050.03211.33
5.2.100.0070.03411.34
5.2.90.0020.02111.31
5.2.80.0080.01811.34
5.2.70.0050.01611.34
5.2.60.0080.02711.32
5.2.50.0030.01711.33
5.2.40.0090.01311.26
5.2.30.0080.02511.25
5.2.20.0070.01511.29
5.2.10.0090.03111.26
5.2.00.0040.02411.15
5.1.60.0060.01310.82
5.1.50.0070.01110.82
5.1.40.0060.01510.81
5.1.30.0020.01711.04
5.1.20.0030.01511.00
5.1.10.0080.01210.85
5.1.00.0070.01210.82
5.0.50.0030.01510.08
5.0.40.0090.02010.07
5.0.30.0030.0349.92
5.0.20.0070.0189.92
5.0.10.0060.0249.92
5.0.00.0100.0279.92
4.4.90.0030.0209.92
4.4.80.0070.0159.92
4.4.70.0040.0089.92
4.4.60.0030.0189.92
4.4.50.0000.0169.92
4.4.40.0030.0139.92
4.4.30.0080.0039.92
4.4.20.0020.0119.92
4.4.10.0060.0079.92
4.4.00.0000.0179.92
4.3.110.0050.0189.92
4.3.100.0010.0139.92
4.3.90.0070.0139.92
4.3.80.0050.0179.92
4.3.70.0020.0179.92
4.3.60.0080.0079.92
4.3.50.0030.0089.92
4.3.40.0060.0179.92
4.3.30.0020.0109.92
4.3.20.0000.0129.92
4.3.10.0040.0189.92
4.3.00.0000.0129.92

preferences:
54.64 ms | 401 KiB | 5 Q