3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $b = 'foo'; } class B extends A { public function __sleep() { return array('b'); } } class C extends A implements Serializable { public function unserialize() { /*... */ } public function serialize() { $b = new ReflectionProperty($this, 'b'); $b->setAccessible(true); return serialize(array('b' => $b->getValue($this))); } } var_dump(serialize(new A())); var_dump(serialize(new B())); var_dump(serialize(new C()));

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)
8.3.60.0070.00716.50
8.3.50.0100.01121.93
8.3.40.0070.00718.85
8.3.30.0100.00318.79
8.3.20.0040.00420.29
8.3.10.0080.00023.66
8.3.00.0060.00319.26
8.2.180.0150.00618.29
8.2.170.0070.01422.96
8.2.160.0000.01320.34
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0100.01026.16
8.2.120.0080.00022.25
8.2.110.0030.00722.25
8.2.100.0070.00417.78
8.2.90.0000.00819.05
8.2.80.0040.00417.97
8.2.70.0000.00917.50
8.2.60.0040.00417.92
8.2.50.0040.00418.07
8.2.40.0060.00318.22
8.2.30.0030.00617.90
8.2.20.0090.00317.55
8.2.10.0040.00417.93
8.2.00.0040.00417.60
8.1.280.0070.01125.92
8.1.270.0000.00922.08
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.96
8.1.230.0060.00619.14
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0060.00317.10
8.1.190.0080.00017.41
8.1.180.0030.00618.10
8.1.170.0040.00418.50
8.1.160.0040.00421.96
8.1.150.0000.00718.59
8.1.140.0050.00317.45
8.1.130.0030.00317.77
8.1.120.0040.00417.34
8.1.110.0040.00417.30
8.1.100.0070.00017.43
8.1.90.0000.00817.39
8.1.80.0030.00317.32
8.1.70.0050.00317.38
8.1.60.0030.00617.56
8.1.50.0050.00317.50
8.1.40.0000.00717.46
8.1.30.0050.00317.54
8.1.20.0040.00417.52
8.1.10.0040.00417.41
8.1.00.0030.00517.32
8.0.300.0000.00718.77
8.0.290.0000.00817.16
8.0.280.0040.00418.29
8.0.270.0040.00417.06
8.0.260.0000.00616.83
8.0.250.0030.00316.88
8.0.240.0050.00216.85
8.0.230.0000.00816.99
8.0.220.0070.00016.85
8.0.210.0000.00716.76
8.0.200.0040.00416.92
8.0.190.0030.00416.88
8.0.180.0000.00716.95
8.0.170.0070.00016.80
8.0.160.0040.00416.83
8.0.150.0080.00016.91
8.0.140.0070.00016.87
8.0.130.0000.00513.31
8.0.120.0040.00416.74
8.0.110.0040.00416.71
8.0.100.0060.00316.91
8.0.90.0070.00016.79
8.0.80.0150.00716.84
8.0.70.0040.00416.73
8.0.60.0040.00416.87
8.0.50.0070.00016.79
8.0.30.0080.01116.99
8.0.20.0140.00417.40
8.0.10.0000.00717.09
8.0.00.0120.00716.72
7.4.330.0050.00015.05
7.4.320.0030.00316.47
7.4.300.0000.00616.44
7.4.290.0040.00416.46
7.4.280.0020.00516.42
7.4.270.0030.00316.39
7.4.260.0000.00716.32
7.4.250.0040.00416.52
7.4.240.0000.00716.46
7.4.230.0030.00316.52
7.4.220.0040.01816.62
7.4.210.0080.00616.59
7.4.200.0040.00416.42
7.4.190.0050.00216.61
7.4.160.0150.00616.47
7.4.150.0150.00317.40
7.4.140.0100.01217.86
7.4.130.0070.01016.45
7.4.120.0050.01316.49
7.4.110.0130.00316.61
7.4.100.0030.01516.43
7.4.90.0090.00816.38
7.4.80.0070.01119.39
7.4.70.0030.01316.46
7.4.60.0100.01016.53
7.4.50.0090.00016.16
7.4.40.0130.00322.77
7.4.30.0030.01216.32
7.4.10.0040.01415.16
7.4.00.0060.01314.92
7.3.330.0060.00013.34
7.3.320.0050.00013.25
7.3.310.0050.00216.42
7.3.300.0040.00416.28
7.3.290.0000.01516.32
7.3.280.0100.01016.32
7.3.270.0140.00317.40
7.3.260.0180.00016.46
7.3.250.0140.00716.42
7.3.240.0060.01616.55
7.3.230.0120.00316.39
7.3.210.0110.00816.29
7.3.200.0120.00619.39
7.3.190.0080.01516.46
7.3.180.0030.01216.30
7.3.170.0060.01016.39
7.3.160.0130.00916.47
7.3.130.0030.01614.72
7.3.120.0050.01014.79
7.3.110.0080.01014.81
7.3.100.0050.00914.88
7.3.90.0040.00714.75
7.3.80.0060.01014.74
7.3.70.0090.00314.64
7.3.60.0030.01214.81
7.3.50.0030.00714.72
7.3.40.0070.01014.66
7.3.30.0060.00414.84
7.3.20.0020.01016.43
7.3.10.0080.00616.59
7.3.00.0070.00716.62
7.2.330.0100.00716.43
7.2.320.0130.00316.34
7.2.310.0070.01016.61
7.2.300.0100.01016.61
7.2.290.0030.01616.59
7.2.260.0040.01515.09
7.2.250.0020.01515.11
7.2.240.0050.01015.05
7.2.230.0120.00614.89
7.2.220.0070.01114.96
7.2.210.0050.01214.83
7.2.200.0030.01114.96
7.2.190.0090.00515.00
7.2.180.0070.00314.87
7.2.170.0060.00814.85
7.2.160.0000.01515.05
7.2.150.0060.00916.93
7.2.140.0040.00716.50
7.2.130.0000.01616.84
7.2.120.0060.00916.76
7.2.110.0100.01016.61
7.2.100.0070.00716.55
7.2.90.0090.00616.82
7.2.80.0070.00316.61
7.2.70.0030.01016.86
7.2.60.0050.00816.75
7.2.50.0090.00316.52
7.2.40.0140.00016.95
7.2.30.0030.01216.70
7.2.20.0040.00816.58
7.2.10.0130.00016.48
7.2.00.0030.01218.13
7.1.330.0040.01015.74
7.1.320.0110.00715.66
7.1.310.0060.00615.67
7.1.300.0030.01015.40
7.1.290.0070.00415.68
7.1.280.0070.00515.69
7.1.270.0060.00615.61
7.1.260.0070.00415.39
7.1.250.0050.00515.71
7.1.240.0040.01215.66
7.1.230.0060.00915.36
7.1.220.0050.00515.61
7.1.210.0040.01115.60
7.1.200.0070.00715.69
7.1.190.0070.00715.62
7.1.180.0030.01015.57
7.1.170.0090.00915.66
7.1.160.0050.00315.69
7.1.150.0040.01415.79
7.1.140.0090.00915.64
7.1.130.0120.00615.74
7.1.120.0070.00715.28
7.1.110.0040.00715.81
7.1.100.0000.00916.71
7.1.90.0050.00815.41
7.1.80.0060.00915.82
7.1.70.0020.01016.31
7.1.60.0080.01017.46
7.1.50.0060.01016.30
7.1.40.0030.01415.62
7.1.30.0060.00915.76
7.1.20.0040.00415.73
7.1.10.0100.00315.68
7.1.00.0050.04119.11
7.0.330.0070.00715.29
7.0.320.0040.01115.13
7.0.310.0030.01315.47
7.0.300.0000.00915.02
7.0.290.0090.00615.01
7.0.280.0080.00415.51
7.0.270.0100.00315.25
7.0.260.0000.01115.34
7.0.250.0000.01015.30
7.0.240.0070.00715.32
7.0.230.0030.00715.24
7.0.220.0080.00315.36
7.0.210.0060.00615.43
7.0.200.0060.00415.82
7.0.190.0060.00315.49
7.0.180.0040.01215.28
7.0.170.0060.00615.35
7.0.160.0080.00015.34
7.0.150.0000.01415.26
7.0.140.0020.04418.56
7.0.130.0030.00515.48
7.0.120.0040.00715.30
7.0.110.0030.01015.48
7.0.100.0260.04317.68
7.0.90.0230.03817.53
7.0.80.0180.03317.52
7.0.70.0130.04417.59
7.0.60.0160.04417.66
7.0.50.0170.02517.71
7.0.40.0030.04316.60
7.0.30.0080.04016.89
7.0.20.0070.04416.75
7.0.10.0150.04016.74
7.0.00.0050.04516.61
5.6.400.0040.00414.19
5.6.390.0030.01013.85
5.6.380.0120.00314.35
5.6.370.0040.00814.52
5.6.360.0030.01014.01
5.6.350.0080.00314.15
5.6.340.0110.00414.08
5.6.330.0030.01014.38
5.6.320.0060.00914.20
5.6.310.0100.00014.07
5.6.300.0100.00714.14
5.6.290.0030.00614.13
5.6.280.0040.04117.53
5.6.270.0070.00314.12
5.6.260.0060.00614.24
5.6.250.0050.05017.44
5.6.240.0130.03817.48
5.6.230.0060.04117.53
5.6.220.0070.04017.42
5.6.210.0090.04017.51
5.6.200.0050.04617.59
5.6.190.0140.03517.64
5.6.180.0050.04317.46
5.6.170.0100.04317.53
5.6.160.0070.04517.53
5.6.150.0050.02717.58
5.6.140.0100.01717.71
5.6.130.0090.03917.68
5.6.120.0100.04217.59
5.6.110.0030.04817.64
5.6.100.0050.04017.56
5.6.90.0060.03017.76
5.6.80.0110.03817.21
5.6.70.0090.03917.45
5.6.60.0020.02917.21
5.6.50.0050.04417.21
5.6.40.0090.02417.27
5.6.30.0060.04517.35
5.6.20.0060.03217.35
5.6.10.0100.02317.25
5.6.00.0080.03617.18
5.5.380.0030.03517.35
5.5.370.0050.04117.28
5.5.360.0020.04417.25
5.5.350.0070.04417.44
5.5.340.0070.04317.47
5.5.330.0080.03717.45
5.5.320.0080.04417.46
5.5.310.0080.04417.46
5.5.300.0110.03717.49
5.5.290.0040.04817.41
5.5.280.0090.04217.45
5.5.270.0080.04417.49
5.5.260.0050.04617.36
5.5.250.0110.04017.28
5.5.240.0050.04416.91
5.5.230.0070.03017.29
5.5.220.0130.03317.12
5.5.210.0140.03517.19
5.5.200.0080.04517.00
5.5.190.0060.03817.14
5.5.180.0080.04017.13
5.5.170.0060.00914.03
5.5.160.0110.03917.12
5.5.150.0040.04417.14
5.5.140.0080.04317.07
5.5.130.0030.04517.05
5.5.120.0070.03716.96
5.5.110.0090.04017.19
5.5.100.0050.04017.01
5.5.90.0100.03817.08
5.5.80.0050.04117.08
5.5.70.0050.04417.08
5.5.60.0090.02617.01
5.5.50.0060.04517.01
5.5.40.0100.03817.15
5.5.30.0070.04316.95
5.5.20.0080.04217.21
5.5.10.0030.03017.01
5.5.00.0100.03416.95
5.4.450.0010.04415.10
5.4.440.0080.04515.30
5.4.430.0060.02615.25
5.4.420.0090.03915.02
5.4.410.0100.04315.22
5.4.400.0040.04414.71
5.4.390.0110.03414.80
5.4.380.0070.03814.94
5.4.370.0060.03614.60
5.4.360.0020.04014.90
5.4.350.0080.03514.93
5.4.340.0070.04014.92
5.4.330.0080.00310.65
5.4.320.0080.03815.01
5.4.310.0120.03714.92
5.4.300.0050.04414.80
5.4.290.0020.04015.05
5.4.280.0080.03914.86
5.4.270.0090.03614.87
5.4.260.0070.04014.86
5.4.250.0030.04614.95
5.4.240.0030.04314.93
5.4.230.0090.03814.73
5.4.220.0070.03614.98
5.4.210.0000.04715.02
5.4.200.0070.03215.02
5.4.190.0070.04015.05
5.4.180.0080.03814.93
5.4.170.0000.04315.09
5.4.160.0070.03814.78
5.4.150.0070.03914.96
5.4.140.0030.02813.59
5.4.130.0050.03713.71
5.4.120.0060.03813.69
5.4.110.0000.04613.65
5.4.100.0030.02813.69
5.4.90.0050.03713.79
5.4.80.0070.03213.68
5.4.70.0010.04013.49
5.4.60.0060.03913.60
5.4.50.0120.03013.61
5.4.40.0060.03613.60
5.4.30.0120.03213.58
5.4.20.0070.03713.54
5.4.10.0050.04013.61
5.4.00.0080.04013.37
5.3.290.0050.04512.43
5.3.280.0020.04412.33
5.3.270.0000.05112.41
5.3.260.0090.03712.52
5.3.250.0070.04212.49
5.3.240.0020.03912.45
5.3.230.0000.04612.50
5.3.220.0050.03612.45
5.3.210.0050.04312.43
5.3.200.0100.03312.35
5.3.190.0070.03512.43
5.3.180.0050.02412.53
5.3.170.0050.04212.54
5.3.160.0030.03712.56
5.3.150.0030.03112.33
5.3.140.0080.03012.54
5.3.130.0070.04012.34
5.3.120.0050.04312.57
5.3.110.0060.04012.50
5.3.100.0050.03912.24
5.3.90.0080.03812.27
5.3.80.0050.04012.20
5.3.70.0080.03012.20
5.3.60.0060.03312.24
5.3.50.0030.04012.14
5.3.40.0070.03712.13
5.3.30.0050.03012.06
5.3.20.0070.03312.01
5.3.10.0050.03811.82
5.3.00.0070.03611.95
5.2.170.0130.05711.07
5.2.160.0100.03311.01
5.2.150.0170.04711.07
5.2.140.0030.06311.04
5.2.130.0000.06311.10
5.2.120.0070.06311.11
5.2.110.0130.05311.18
5.2.100.0130.05311.11
5.2.90.0070.06311.12
5.2.80.0000.06311.01
5.2.70.0000.06311.20
5.2.60.0030.06010.97
5.2.50.0100.04711.14
5.2.40.0070.03711.04
5.2.30.0100.03011.05
5.2.20.0000.06310.88
5.2.10.0030.06010.98
5.2.00.0100.03310.83
5.1.60.0100.05010.08
5.1.50.0130.0439.86
5.1.40.0030.05310.06
5.1.30.0030.05710.36
5.1.20.0030.05710.46
5.1.10.0000.06010.09
5.1.00.0100.0509.96
5.0.50.0000.0478.66
5.0.40.0070.0408.50
5.0.30.0000.0638.12
5.0.20.0000.0508.06
5.0.10.0000.0278.23
5.0.00.0030.0638.16
4.4.90.0030.0337.48
4.4.80.0000.0377.48
4.4.70.0000.0377.48
4.4.60.0070.0337.48
4.4.50.0000.0337.48
4.4.40.0000.0477.48
4.4.30.0000.0337.48
4.4.20.0030.0377.48
4.4.10.0000.0337.48
4.4.00.0030.0477.48
4.3.110.0000.0377.48
4.3.100.0000.0307.48
4.3.90.0030.0307.48
4.3.80.0030.0537.48
4.3.70.0070.0307.48
4.3.60.0000.0377.48
4.3.50.0000.0307.48
4.3.40.0030.0507.48
4.3.30.0000.0307.48
4.3.20.0030.0307.48
4.3.10.0000.0377.48
4.3.00.0000.0377.48

preferences:
49.27 ms | 401 KiB | 5 Q