3v4l.org

run code in 300+ PHP versions simultaneously
<?php class C { public $a; public $b; public function __construct($a, $b) { $this->a = $a; $this->b = $b; } } // test only a $c = new C("foo", null); var_dump($c->a === "foo"); // test only b $c = new C(null, "foo"); var_dump($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)
8.3.40.0180.00318.79
8.3.30.0040.01119.12
8.3.20.0080.00020.34
8.3.10.0060.00323.61
8.3.00.0080.00022.43
8.2.170.0100.00322.96
8.2.160.0070.00722.13
8.2.150.0060.00324.18
8.2.140.0050.00224.66
8.2.130.0030.00526.16
8.2.120.0000.00819.24
8.2.110.0030.00622.25
8.2.100.0090.00317.78
8.2.90.0080.00019.02
8.2.80.0000.00817.97
8.2.70.0080.00017.50
8.2.60.0040.00417.92
8.2.50.0060.00318.07
8.2.40.0040.00418.09
8.2.30.0040.00418.00
8.2.20.0050.00317.65
8.2.10.0040.00419.34
8.2.00.0020.00517.61
8.1.270.0060.00322.19
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.94
8.1.230.0080.00419.10
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0030.00617.38
8.1.190.0000.00817.53
8.1.180.0000.00918.10
8.1.170.0040.00418.59
8.1.160.0000.00721.86
8.1.150.0000.00718.58
8.1.140.0040.00417.30
8.1.130.0000.00717.75
8.1.120.0050.00317.30
8.1.110.0030.00517.34
8.1.100.0000.00717.37
8.1.90.0040.00417.28
8.1.80.0050.00217.24
8.1.70.0070.00017.30
8.1.60.0040.00417.55
8.1.50.0000.00817.42
8.1.40.0040.00417.50
8.1.30.0000.00817.49
8.1.20.0040.00417.55
8.1.10.0000.00717.41
8.1.00.0000.00717.36
8.0.300.0040.00418.77
8.0.290.0000.00717.05
8.0.280.0000.00818.37
8.0.270.0030.00317.15
8.0.260.0040.00416.66
8.0.250.0000.00616.92
8.0.240.0030.00516.86
8.0.230.0030.00516.90
8.0.220.0000.00716.82
8.0.210.0030.00416.87
8.0.200.0000.00616.84
8.0.190.0040.00716.80
8.0.180.0040.00416.79
8.0.170.0050.00316.80
8.0.160.0040.00416.73
8.0.150.0000.00716.75
8.0.140.0000.00716.71
8.0.130.0000.00513.25
8.0.120.0000.00816.79
8.0.110.0040.00416.82
8.0.100.0000.00716.71
8.0.90.0070.00016.70
8.0.80.0030.01216.84
8.0.70.0050.00316.82
8.0.60.0050.00316.82
8.0.50.0040.00416.63
8.0.30.0110.00817.10
8.0.20.0090.00917.40
8.0.10.0040.00316.77
8.0.00.0120.00816.72
7.4.330.0000.00515.15
7.4.320.0000.00616.52
7.4.300.0050.00316.48
7.4.290.0050.00516.63
7.4.280.0070.00016.48
7.4.270.0000.00716.63
7.4.260.0000.00716.64
7.4.250.0040.00416.59
7.4.240.0060.00216.60
7.4.230.0000.00716.71
7.4.220.0190.00316.57
7.4.210.0070.00916.52
7.4.200.0040.00416.56
7.4.190.0030.00316.66
7.4.160.0130.01016.48
7.4.150.0130.00317.40
7.4.140.0060.01117.86
7.4.130.0090.00816.51
7.4.120.0080.00816.59
7.4.110.0130.00616.55
7.4.100.0110.01416.53
7.4.90.0120.01216.38
7.4.80.0100.01016.17
7.4.70.0060.00916.36
7.4.60.0100.00616.50
7.4.50.0000.00916.61
7.4.40.0060.00822.77
7.4.30.0060.00916.52
7.4.10.0120.00614.75
7.4.00.0120.00714.78
7.3.330.0030.00313.30
7.3.320.0000.00513.17
7.3.310.0030.00316.19
7.3.300.0030.00316.16
7.3.290.0070.00716.30
7.3.280.0060.01016.30
7.3.270.0040.01617.40
7.3.260.0140.00316.28
7.3.250.0140.00316.35
7.3.240.0100.00716.38
7.3.230.0100.01316.54
7.3.210.0090.00916.46
7.3.200.0160.00419.39
7.3.190.0080.01116.41
7.3.180.0070.01016.49
7.3.170.0060.00916.31
7.3.160.0090.00616.20
7.3.130.0120.00614.72
7.3.120.0020.01014.59
7.3.110.0040.01114.93
7.3.100.0000.01114.68
7.3.90.0070.01014.79
7.3.80.0070.00314.51
7.3.70.0040.00814.52
7.3.60.0060.01014.82
7.3.50.0060.00614.61
7.3.40.0050.00514.70
7.3.30.0030.01014.68
7.3.20.0040.00716.63
7.3.10.0100.00316.53
7.3.00.0040.01116.79
7.2.330.0040.01316.48
7.2.320.0130.01016.44
7.2.310.0070.01316.63
7.2.300.0100.01316.77
7.2.290.0120.00316.57
7.2.260.0060.01015.31
7.2.250.0090.00915.02
7.2.240.0030.01315.12
7.2.230.0030.01314.98
7.2.220.0000.01914.77
7.2.210.0030.01314.89
7.2.200.0030.01314.72
7.2.190.0070.00715.08
7.2.180.0080.00415.06
7.2.170.0060.00914.87
7.2.160.0060.00915.23
7.2.150.0110.00416.63
7.2.140.0070.00716.77
7.2.130.0110.00716.91
7.2.120.0040.00716.83
7.2.110.0150.00016.70
7.2.100.0040.00717.03
7.2.90.0060.00616.93
7.2.80.0000.01716.95
7.2.70.0070.00417.05
7.2.60.0070.00616.91
7.2.50.0120.00316.92
7.2.40.0000.01417.04
7.2.30.0000.01316.93
7.2.20.0040.01116.98
7.2.10.0030.00716.79
7.2.00.0070.00718.07
7.1.330.0120.00315.96
7.1.320.0090.00315.52
7.1.310.0030.00715.71
7.1.300.0040.00815.82
7.1.290.0000.01215.71
7.1.280.0070.00715.49
7.1.270.0070.00315.70
7.1.260.0080.00415.51
7.1.250.0150.00015.79
7.1.240.0000.01315.95
7.1.230.0030.01015.99
7.1.220.0100.00315.70
7.1.210.0070.00715.80
7.1.200.0020.00815.85
7.1.190.0070.00315.88
7.1.180.0000.01415.69
7.1.170.0030.01515.91
7.1.160.0100.00315.75
7.1.150.0060.00615.61
7.1.140.0000.01115.97
7.1.130.0050.00315.52
7.1.120.0120.00415.64
7.1.110.0100.00315.82
7.1.100.0010.01016.73
7.1.90.0100.00316.02
7.1.80.0070.00716.03
7.1.70.0050.01216.43
7.1.60.0030.01617.55
7.1.50.0110.00316.38
7.1.40.0000.01115.90
7.1.30.0000.00915.73
7.1.20.0100.00715.81
7.1.10.0060.00915.79
7.1.00.0030.05019.03
7.0.330.0140.00315.09
7.0.320.0030.00715.21
7.0.310.0100.00615.01
7.0.300.0040.01115.18
7.0.290.0080.00315.24
7.0.280.0070.00315.24
7.0.270.0030.00915.42
7.0.260.0100.00315.29
7.0.250.0080.00415.27
7.0.240.0040.00715.41
7.0.230.0000.01415.36
7.0.220.0140.00015.31
7.0.210.0070.01015.39
7.0.200.0060.00416.07
7.0.190.0000.01115.41
7.0.180.0060.00615.18
7.0.170.0040.00815.55
7.0.160.0100.00615.29
7.0.150.0040.00715.43
7.0.140.0060.03918.62
7.0.130.0100.00315.58
7.0.120.0030.01115.37
7.0.110.0110.00315.52
7.0.100.0230.03617.76
7.0.90.0240.03917.70
7.0.80.0280.03617.58
7.0.70.0150.04817.57
7.0.60.0190.04417.65
7.0.50.0230.04217.93
7.0.40.0030.04716.79
7.0.30.0000.05216.76
7.0.20.0110.04316.66
7.0.10.0050.04216.67
7.0.00.0050.04316.69
5.6.400.0110.00314.25
5.6.390.0080.00814.35
5.6.380.0110.00613.91
5.6.370.0030.00714.43
5.6.360.0060.01314.54
5.6.350.0090.00014.36
5.6.340.0100.00314.57
5.6.330.0110.00314.05
5.6.320.0040.00714.52
5.6.310.0060.01114.38
5.6.300.0000.01214.56
5.6.290.0070.00414.34
5.6.280.0020.04017.55
5.6.270.0000.01314.60
5.6.260.0080.00614.58
5.6.250.0090.01917.57
5.6.240.0020.04417.57
5.6.230.0070.04317.51
5.6.220.0030.04317.56
5.6.210.0070.04717.48
5.6.200.0070.03017.78
5.6.190.0070.04017.59
5.6.180.0060.04817.61
5.6.170.0090.04217.77
5.6.160.0030.04417.65
5.6.150.0100.03517.82
5.6.140.0030.04917.66
5.6.130.0070.04817.72
5.6.120.0070.03817.72
5.6.110.0120.04217.61
5.6.100.0060.03817.89
5.6.90.0080.03517.74
5.6.80.0050.04517.31
5.6.70.0080.04017.47
5.6.60.0150.03217.21
5.6.50.0080.02317.40
5.6.40.0020.04217.30
5.6.30.0090.02317.34
5.6.20.0130.03517.38
5.6.10.0120.03817.25
5.6.00.0130.03317.33
5.5.380.0020.04917.14
5.5.370.0070.04517.29
5.5.360.0120.04317.33
5.5.350.0100.04017.06
5.5.340.0080.04017.37
5.5.330.0070.04017.47
5.5.320.0040.04117.48
5.5.310.0070.04417.59
5.5.300.0090.04317.46
5.5.290.0090.02617.30
5.5.280.0090.04317.23
5.5.270.0070.04317.50
5.5.260.0080.04617.29
5.5.250.0100.04317.37
5.5.240.0040.04017.21
5.5.230.0080.03917.06
5.5.220.0060.04217.17
5.5.210.0070.03417.26
5.5.200.0070.03917.30
5.5.190.0060.03617.08
5.5.180.0140.03517.10
5.5.170.0030.01014.11
5.5.160.0030.03616.92
5.5.150.0080.04017.24
5.5.140.0020.03817.27
5.5.130.0050.04717.20
5.5.120.0090.04017.11
5.5.110.0050.04516.96
5.5.100.0080.04417.05
5.5.90.0050.03117.13
5.5.80.0090.04017.21
5.5.70.0150.03917.11
5.5.60.0090.04116.98
5.5.50.0070.04117.15
5.5.40.0110.03817.25
5.5.30.0040.04916.84
5.5.20.0110.04117.01
5.5.10.0080.04117.22
5.5.00.0090.04517.08
5.4.450.0050.04515.19
5.4.440.0050.04415.25
5.4.430.0090.04215.29
5.4.420.0030.03015.28
5.4.410.0030.04314.92
5.4.400.0060.03015.03
5.4.390.0070.03514.88
5.4.380.0140.02714.89
5.4.370.0070.03715.04
5.4.360.0080.02714.99
5.4.350.0050.04014.91
5.4.340.0030.04114.97
5.4.330.0040.00410.98
5.4.320.0050.04514.78
5.4.310.0100.03715.11
5.4.300.0060.04214.91
5.4.290.0050.04215.13
5.4.280.0070.02514.92
5.4.270.0080.03815.02
5.4.260.0030.02814.94
5.4.250.0080.03814.93
5.4.240.0030.04115.18
5.4.230.0050.03014.97
5.4.220.0100.03714.80
5.4.210.0060.03815.09
5.4.200.0110.03115.03
5.4.190.0070.04014.86
5.4.180.0020.03214.95
5.4.170.0100.03314.95
5.4.160.0100.03814.96
5.4.150.0070.04514.91
5.4.140.0090.03613.65
5.4.130.0100.03813.68
5.4.120.0080.03313.73
5.4.110.0090.03813.75
5.4.100.0080.03513.65
5.4.90.0100.02413.79
5.4.80.0090.03513.55
5.4.70.0000.03213.73
5.4.60.0030.04013.61
5.4.50.0070.03313.45
5.4.40.0080.03813.64
5.4.30.0100.03213.67
5.4.20.0100.03313.61
5.4.10.0010.04013.67
5.4.00.0030.03513.46
5.3.290.0050.04212.79
5.3.280.0070.04012.44
5.3.270.0020.03312.59
5.3.260.0070.04412.42
5.3.250.0070.04212.52
5.3.240.0050.04012.59
5.3.230.0070.03812.58
5.3.220.0030.04112.44
5.3.210.0070.04112.38
5.3.200.0080.03912.54
5.3.190.0090.04112.57
5.3.180.0100.03512.63
5.3.170.0000.03512.43
5.3.160.0100.03512.47
5.3.150.0050.02712.60
5.3.140.0100.02512.41
5.3.130.0080.03612.49
5.3.120.0110.03712.50
5.3.110.0070.03712.57
5.3.100.0050.04212.30
5.3.90.0040.04012.34
5.3.80.0080.03612.16
5.3.70.0100.03812.23
5.3.60.0050.04312.30
5.3.50.0090.03312.11
5.3.40.0080.03812.32
5.3.30.0050.04112.23
5.3.20.0050.03912.13
5.3.10.0070.03212.07
5.3.00.0030.03512.06
5.2.170.0070.06011.24
5.2.160.0000.05711.06
5.2.150.0070.04311.08
5.2.140.0030.06711.05
5.2.130.0070.05711.20
5.2.120.0000.04711.20
5.2.110.0070.06011.23
5.2.100.0030.03711.22
5.2.90.0100.05711.02
5.2.80.0070.06311.23
5.2.70.0030.06010.98
5.2.60.0070.06011.18
5.2.50.0070.06011.11
5.2.40.0100.04010.92
5.2.30.0100.05310.89
5.2.20.0030.06010.98
5.2.10.0070.06010.89
5.2.00.0000.05310.75
5.1.60.0030.05710.07
5.1.50.0000.06010.03
5.1.40.0070.05010.09
5.1.30.0000.05310.43
5.1.20.0030.03710.22
5.1.10.0070.03010.07
5.1.00.0070.05010.14
5.0.50.0100.0408.63
5.0.40.0030.0378.26
5.0.30.0030.0638.22
5.0.20.0100.0378.25
5.0.10.0000.0408.30
5.0.00.0000.0638.21
4.4.90.0000.0377.98
4.4.80.0000.0307.98
4.4.70.0000.0307.98
4.4.60.0030.0377.98
4.4.50.0130.0237.98
4.4.40.0070.0507.98
4.4.30.0100.0177.98
4.4.20.0000.0207.98
4.4.10.0030.0337.98
4.4.00.0030.0537.98
4.3.110.0070.0307.98
4.3.100.0000.0277.98
4.3.90.0030.0337.98
4.3.80.0000.0477.98
4.3.70.0000.0207.98
4.3.60.0000.0207.98
4.3.50.0030.0237.98
4.3.40.0030.0307.98
4.3.30.0000.0337.98
4.3.20.0070.0307.98
4.3.10.0070.0237.98
4.3.00.0000.0307.98

preferences:
40.69 ms | 400 KiB | 5 Q