3v4l.org

run code in 300+ PHP versions simultaneously
<?php class C { public $a, $b; public function __construct($a, $b) { $this->a = $a; $this->b = $b; } public function doSomethingWithA() { /**/ } public function doSomethingWithB() { /**/ } public function doSomethingWithAandB() { /**/ } } // test 1 $c = new C("foo", null); var_dump($c->a === "foo"); // test 2 $c = new C(null, "foo"); var_dump($c->b === "foo");

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)
8.3.60.0150.00418.43
8.3.50.0050.01222.01
8.3.40.0040.01118.97
8.3.30.0100.00319.05
8.3.20.0020.00520.16
8.3.10.0050.00322.04
8.3.00.0040.00422.40
8.2.180.0090.00918.16
8.2.170.0140.00022.96
8.2.160.0100.00320.89
8.2.150.0070.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0080.00017.63
8.2.110.0100.00022.24
8.2.100.0060.00619.32
8.2.90.0050.00319.07
8.2.80.0050.00317.97
8.2.70.0070.00317.50
8.2.60.0040.00417.79
8.2.50.0000.00818.07
8.2.40.0090.00018.16
8.2.30.0020.00517.92
8.2.20.0040.00417.58
8.2.10.0030.00619.46
8.2.00.0040.00417.63
8.1.280.0040.01425.92
8.1.270.0030.00522.19
8.1.260.0030.00626.35
8.1.250.0060.00328.09
8.1.240.0060.00323.82
8.1.230.0040.00819.14
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0000.00817.43
8.1.180.0000.00818.10
8.1.170.0040.00418.65
8.1.160.0000.00721.96
8.1.150.0040.00418.52
8.1.140.0040.00417.34
8.1.130.0000.00817.82
8.1.120.0000.00717.36
8.1.110.0040.00417.25
8.1.100.0070.00017.30
8.1.90.0000.00817.36
8.1.80.0040.00417.49
8.1.70.0080.00017.30
8.1.60.0040.00417.61
8.1.50.0040.00417.46
8.1.40.0040.00417.55
8.1.30.0000.00717.62
8.1.20.0040.00417.70
8.1.10.0040.00417.52
8.1.00.0030.00517.52
8.0.300.0000.00718.77
8.0.290.0040.00417.05
8.0.280.0000.00718.38
8.0.270.0000.00717.20
8.0.260.0000.00716.80
8.0.250.0030.00316.89
8.0.240.0040.00416.81
8.0.230.0050.00216.91
8.0.220.0040.00316.80
8.0.210.0070.00016.83
8.0.200.0030.00316.78
8.0.190.0080.00016.88
8.0.180.0030.00516.88
8.0.170.0040.00416.85
8.0.160.0050.00316.88
8.0.150.0040.00416.80
8.0.140.0000.00716.82
8.0.130.0000.00513.26
8.0.120.0080.00016.69
8.0.110.0040.00416.68
8.0.100.0030.00616.89
8.0.90.0000.00716.83
8.0.80.0000.01616.82
8.0.70.0070.00016.80
8.0.60.0050.00316.73
8.0.50.0040.00416.73
8.0.30.0130.01217.25
8.0.20.0110.00817.40
8.0.10.0000.00816.96
8.0.00.0070.01016.71
7.4.330.0060.00015.00
7.4.320.0060.00016.48
7.4.300.0000.00616.37
7.4.290.0030.00316.60
7.4.280.0000.00716.45
7.4.270.0000.00716.59
7.4.260.0030.00316.51
7.4.250.0050.00316.57
7.4.240.0030.00416.39
7.4.230.0040.00416.35
7.4.220.0090.01016.61
7.4.210.0090.00516.55
7.4.200.0070.00016.65
7.4.190.0050.00216.78
7.4.160.0150.00616.40
7.4.150.0110.00617.40
7.4.140.0120.00517.86
7.4.130.0050.01316.43
7.4.120.0070.01016.46
7.4.110.0100.00616.42
7.4.100.0060.01316.38
7.4.90.0060.01216.53
7.4.80.0180.00319.39
7.4.70.0090.00916.61
7.4.60.0060.00916.63
7.4.50.0040.00416.53
7.4.40.0110.00722.77
7.4.30.0120.00316.31
7.4.00.0100.00614.85
7.3.330.0000.00613.21
7.3.320.0060.00013.25
7.3.310.0000.00716.30
7.3.300.0060.00016.18
7.3.290.0060.00916.29
7.3.280.0090.00616.28
7.3.270.0130.01017.40
7.3.260.0080.00916.59
7.3.250.0070.01116.28
7.3.240.0070.01116.48
7.3.230.0050.01116.39
7.3.210.0060.01116.22
7.3.200.0060.01216.35
7.3.190.0060.01216.48
7.3.180.0130.00316.59
7.3.170.0060.01116.48
7.3.160.0090.00716.26
7.3.120.0070.01114.75
7.3.110.0080.01014.84
7.3.100.0100.00514.66
7.3.90.0050.00814.66
7.3.80.0080.00614.70
7.3.70.0030.00714.75
7.3.60.0080.00314.79
7.3.50.0010.01214.71
7.3.40.0030.01014.59
7.3.30.0080.00514.49
7.3.20.0060.00716.43
7.3.10.0080.00516.50
7.3.00.0040.00916.35
7.2.330.0290.02316.72
7.2.320.0110.01416.72
7.2.310.0070.01916.70
7.2.300.0100.00716.68
7.2.290.0080.00816.52
7.2.250.0050.01415.03
7.2.240.0100.01015.06
7.2.230.0060.00815.01
7.2.220.0060.00614.97
7.2.210.0060.00514.98
7.2.200.0100.00214.82
7.2.190.0050.00815.11
7.2.180.0050.00715.05
7.2.170.0100.00415.09
7.2.130.0000.01116.91
7.2.120.0110.00716.41
7.2.110.0050.00516.54
7.2.100.0030.01516.29
7.2.90.0090.01316.74
7.2.80.0130.00616.50
7.2.70.0030.01016.47
7.2.60.0050.00916.80
7.2.50.0070.01116.68
7.2.40.0070.00716.73
7.2.30.0100.01416.93
7.2.20.0170.00316.57
7.2.10.0070.00416.60
7.2.00.0060.01217.91
7.1.330.0050.00815.88
7.1.320.0050.00815.54
7.1.310.0050.00515.71
7.1.300.0040.00715.71
7.1.290.0040.00615.74
7.1.280.0030.01215.80
7.1.270.0070.00915.72
7.1.260.0120.00315.76
7.1.250.0200.00015.48
7.1.200.0180.00715.59
7.1.100.0050.00518.18
7.1.70.0030.00617.36
7.1.60.0070.01719.82
7.1.50.0070.00316.84
7.1.00.0170.06022.33
7.0.200.0100.00616.76
7.0.140.0000.07721.99
7.0.100.0070.04020.06
7.0.90.0030.06019.99
7.0.80.0100.03020.01
7.0.70.0170.03719.93
7.0.60.0030.04319.84
7.0.50.0070.03720.32
7.0.40.0000.04320.08
7.0.30.0070.04020.11
7.0.20.0030.04019.93
7.0.10.0070.03719.95
7.0.00.0070.04020.00
5.6.280.0000.07021.09
5.6.250.0100.03720.58
5.6.240.0030.07020.68
5.6.230.0100.07320.51
5.6.220.0030.04320.70
5.6.210.0000.04720.76
5.6.200.0030.06021.18
5.6.190.0000.06321.09
5.6.180.0030.05320.95
5.6.170.0030.04720.94
5.6.160.0000.04321.07
5.6.150.0030.03721.09
5.6.140.0030.04321.14
5.6.130.0000.06021.11
5.6.120.0130.07721.09
5.6.110.0100.08021.02
5.6.100.0030.06321.03
5.6.90.0030.05021.10
5.6.80.0070.08320.41
5.6.70.0100.07720.36
5.6.60.0000.08720.31
5.6.50.0100.04320.47
5.6.40.0100.07320.54
5.6.30.0100.07720.38
5.6.20.0030.09020.32
5.6.10.0100.07320.30
5.6.00.0000.08320.40
5.5.380.0030.04020.58
5.5.370.0100.04020.37
5.5.360.0000.04320.54
5.5.350.0070.04020.43
5.5.340.0070.03720.79
5.5.330.0000.04320.78
5.5.320.0130.04320.89
5.5.310.0070.03720.89
5.5.300.0170.04320.93
5.5.290.0100.04020.89
5.5.280.0030.08720.89
5.5.270.0170.07020.88
5.5.260.0100.08020.88
5.5.250.0200.06720.72
5.5.240.0070.07020.19
5.5.230.0130.06720.27
5.5.220.0170.04720.29
5.5.210.0070.08020.14
5.5.200.0000.08720.24
5.5.190.0070.08320.25
5.5.180.0100.07320.09
5.5.160.0170.06320.24
5.5.150.0030.08320.21
5.5.140.0070.07320.27
5.5.130.0030.08019.99
5.5.120.0030.04720.16
5.5.110.0230.04019.99
5.5.100.0070.08019.98
5.5.90.0130.07020.02
5.5.80.0130.07020.05
5.5.70.0000.05720.07
5.5.60.0170.07020.16
5.5.50.0000.08020.16
5.5.40.0030.05020.01
5.5.30.0170.06320.16
5.5.20.0100.05020.15
5.5.10.0070.03720.03
5.5.00.0100.07320.06
5.4.450.0100.08019.27
5.4.440.0100.05719.23
5.4.430.0100.07019.35
5.4.420.0100.07319.50
5.4.410.0070.07719.38
5.4.400.0030.05319.17
5.4.390.0130.06719.18
5.4.380.0100.07019.12
5.4.370.0000.08719.23
5.4.360.0070.07718.88
5.4.350.0100.06719.09
5.4.340.0070.06319.21
5.4.320.0100.06719.10
5.4.310.0030.07319.13
5.4.300.0070.06319.09
5.4.290.0000.07719.16
5.4.280.0100.07719.18
5.4.270.0070.07719.12
5.4.260.0000.08718.82
5.4.250.0100.06019.04
5.4.240.0100.07718.90
5.4.230.0070.06019.23
5.4.220.0070.07019.03
5.4.210.0130.07018.89
5.4.200.0000.04719.04
5.4.190.0030.06319.20
5.4.180.0070.06719.00
5.4.170.0100.07019.17
5.4.160.0000.07019.16
5.4.150.0170.06719.07
5.4.140.0100.07016.44
5.4.130.0100.07316.41
5.4.120.0100.06716.42
5.4.110.0070.07016.43
5.4.100.0130.06316.36
5.4.90.0070.06316.39
5.4.80.0030.07316.38
5.4.70.0070.07316.41
5.4.60.0070.07316.37
5.4.50.0030.07316.49
5.4.40.0130.07016.54
5.4.30.0070.07016.32
5.4.20.0100.07016.47
5.4.10.0030.08016.29
5.4.00.0100.06315.88
5.3.290.0070.07314.81
5.3.280.0030.07014.63
5.3.270.0070.08014.57
5.3.260.0030.04714.60
5.3.250.0070.07714.70
5.3.240.0170.06314.73
5.3.230.0100.07014.54
5.3.220.0100.07014.50
5.3.210.0100.07314.55
5.3.200.0070.07314.57
5.3.190.0030.08014.54
5.3.180.0100.06714.69
5.3.170.0070.07714.66
5.3.160.0100.07014.66
5.3.150.0030.08014.60
5.3.140.0070.07314.62
5.3.130.0100.04014.69
5.3.120.0000.07714.47
5.3.110.0070.07014.49
5.3.100.0100.05014.00
5.3.90.0100.07314.08
5.3.80.0130.06314.01
5.3.70.0030.07714.15
5.3.60.0070.07314.12
5.3.50.0100.07013.99
5.3.40.0030.08313.96
5.3.30.0070.07314.01
5.3.20.0070.07013.71
5.3.10.0070.06713.73
5.3.00.0100.04013.76
5.2.170.0070.04311.08
5.2.160.0000.04311.21
5.2.150.0030.06011.06
5.2.140.0000.06711.06
5.2.130.0100.05311.09
5.2.120.0070.06311.13
5.2.110.0030.06011.02
5.2.100.0130.05311.02
5.2.90.0030.03011.12
5.2.80.0070.03011.23
5.2.70.0070.05311.16
5.2.60.0130.05310.98
5.2.50.0070.04310.89
5.2.40.0100.05311.14
5.2.30.0000.03311.05
5.2.20.0100.05710.92
5.2.10.0070.05710.96
5.2.00.0100.05710.68
5.1.60.0000.03710.04
5.1.50.0030.05310.09
5.1.40.0030.05310.07
5.1.30.0170.04710.40
5.1.20.0070.05710.35
5.1.10.0000.03310.07
5.1.00.0030.04710.14
5.0.50.0070.0378.44
5.0.40.0070.0378.45
5.0.30.0000.0678.24
5.0.20.0000.0478.27
5.0.10.0100.0178.21
5.0.00.0030.0638.20
4.4.90.0070.0208.09
4.4.80.0000.0378.09
4.4.70.0030.0338.09
4.4.60.0000.0378.09
4.4.50.0000.0378.09
4.4.40.0070.0538.09
4.4.30.0000.0278.09
4.4.20.0070.0178.09
4.4.10.0070.0308.09
4.4.00.0000.0578.09
4.3.110.0030.0338.09
4.3.100.0030.0338.09
4.3.90.0070.0338.09
4.3.80.0000.0508.09
4.3.70.0000.0208.09
4.3.60.0000.0378.09
4.3.50.0070.0278.09
4.3.40.0100.0338.09
4.3.30.0030.0338.09
4.3.20.0000.0378.09
4.3.10.0000.0378.09
4.3.00.0000.0178.09

preferences:
48.82 ms | 401 KiB | 5 Q