3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $b = 'foo'; } class B extends A { public function __sleep() { return array('b'); } } class C extends A implements Serializable { public function unserialize($serialized) { /*... */ } 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)
8.3.60.0110.00416.88
8.3.50.0170.00221.84
8.3.40.0150.00018.69
8.3.30.0060.00918.92
8.3.20.0080.00020.09
8.3.10.0080.00023.71
8.3.00.0000.00819.38
8.2.180.0110.00418.41
8.2.170.0110.00722.96
8.2.160.0070.01020.53
8.2.150.0050.00224.18
8.2.140.0000.00824.66
8.2.130.0060.00326.16
8.2.120.0020.00522.08
8.2.110.0060.00319.23
8.2.100.0070.00417.78
8.2.90.0050.00317.91
8.2.80.0040.00418.09
8.2.70.0000.00818.04
8.2.60.0080.00017.80
8.2.50.0090.00318.10
8.2.40.0000.00720.41
8.2.30.0040.00419.50
8.2.20.0030.00617.67
8.2.10.0000.00818.06
8.2.00.0040.00417.66
8.1.280.0070.01025.92
8.1.270.0060.00323.80
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00022.09
8.1.230.0080.00421.03
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0040.00417.23
8.1.190.0030.00617.13
8.1.180.0070.00318.10
8.1.170.0040.00418.26
8.1.160.0030.00522.05
8.1.150.0000.00718.57
8.1.140.0050.00217.40
8.1.130.0000.00717.77
8.1.120.0000.00717.31
8.1.110.0080.00017.40
8.1.100.0000.00717.31
8.1.90.0040.00417.36
8.1.80.0040.00317.32
8.1.70.0030.00317.25
8.1.60.0000.00817.51
8.1.50.0030.00517.48
8.1.40.0000.00717.41
8.1.30.0030.00617.55
8.1.20.0060.00317.66
8.1.10.0000.00717.39
8.1.00.0050.00317.39
8.0.300.0040.00420.07
8.0.290.0040.00416.75
8.0.280.0000.00718.46
8.0.270.0030.00317.28
8.0.260.0040.00418.47
8.0.250.0030.00317.08
8.0.240.0070.00016.96
8.0.230.0030.00316.88
8.0.220.0000.00716.86
8.0.210.0070.00016.98
8.0.200.0030.00316.89
8.0.190.0030.00517.05
8.0.180.0040.00416.99
8.0.170.0040.00416.92
8.0.160.0000.00817.04
8.0.150.0050.00216.97
8.0.140.0000.00716.97
8.0.130.0030.00313.35
8.0.120.0040.00416.95
8.0.110.0040.00416.88
8.0.100.0000.00717.00
8.0.90.0040.00416.95
8.0.80.0060.01017.01
8.0.70.0030.00516.85
8.0.60.0000.00816.87
8.0.50.0000.00817.01
8.0.30.0120.01017.13
8.0.20.0070.01117.40
8.0.10.0000.00716.99
8.0.00.0090.00916.73
7.4.330.0070.00015.00
7.4.320.0000.00716.46
7.4.300.0000.00816.36
7.4.290.0080.00016.43
7.4.280.0000.00816.52
7.4.270.0040.00416.45
7.4.260.0000.00716.55
7.4.250.0030.00516.42
7.4.240.0000.00716.43
7.4.230.0000.00716.66
7.4.220.0090.00916.41
7.4.210.0110.00616.54
7.4.200.0070.00016.29
7.4.190.0080.00016.50
7.4.160.0030.01316.53
7.4.150.0070.01017.40
7.4.140.0080.01017.86
7.4.130.0140.00416.36
7.4.120.0070.01116.46
7.4.110.0090.00916.41
7.4.100.0070.01116.59
7.4.90.0110.00616.51
7.4.80.0110.01219.39
7.4.70.0040.01816.57
7.4.60.0070.01016.46
7.4.50.0050.00316.38
7.4.40.0060.01116.60
7.4.30.0050.01116.54
7.4.10.0080.01215.18
7.4.00.0040.01314.99
7.3.330.0030.00313.32
7.3.320.0050.00013.36
7.3.310.0040.00416.44
7.3.300.0030.00316.40
7.3.290.0070.00716.33
7.3.280.0070.01116.39
7.3.270.0070.01717.40
7.3.260.0060.01216.38
7.3.250.0080.01216.43
7.3.240.0110.00516.61
7.3.230.0070.01116.43
7.3.210.0100.00716.38
7.3.200.0170.00719.39
7.3.190.0090.01216.32
7.3.180.0090.00616.64
7.3.170.0060.00916.72
7.3.160.0030.01416.54
7.3.130.0100.01014.62
7.3.120.0010.01514.85
7.3.110.0080.00914.75
7.3.100.0040.00914.85
7.3.90.0030.00614.97
7.3.80.0060.00714.78
7.3.70.0080.00314.79
7.3.60.0060.00614.69
7.3.50.0060.00614.70
7.3.40.0040.00814.97
7.3.30.0030.00914.87
7.3.20.0050.00716.71
7.3.10.0040.01116.72
7.3.00.0030.01216.55
7.2.330.0070.01716.58
7.2.320.0000.01816.66
7.2.310.0170.00816.48
7.2.300.0080.00816.57
7.2.290.0070.01716.51
7.2.260.0040.01414.73
7.2.250.0090.01015.03
7.2.240.0040.01414.84
7.2.230.0070.00914.81
7.2.220.0040.00714.97
7.2.210.0060.00914.95
7.2.200.0070.00814.95
7.2.190.0060.00814.94
7.2.180.0070.00714.84
7.2.170.0030.00814.81
7.2.160.0030.00614.98
7.2.150.0030.00616.56
7.2.140.0060.00916.85
7.2.130.0000.01516.61
7.2.120.0100.00316.53
7.2.110.0030.00916.70
7.2.100.0040.00816.57
7.2.90.0000.01516.92
7.2.80.0030.00616.66
7.2.70.0120.00016.66
7.2.60.0100.00516.83
7.2.50.0030.01016.96
7.2.40.0060.00617.04
7.2.30.0060.01016.58
7.2.20.0070.00716.98
7.2.10.0100.00716.87
7.2.00.0040.00918.03
7.1.330.0050.00915.66
7.1.320.0050.00815.51
7.1.310.0060.00815.85
7.1.300.0050.00715.66
7.1.290.0000.01215.71
7.1.280.0070.00715.70
7.1.270.0040.00815.74
7.1.260.0060.00915.75
7.1.250.0060.00315.80
7.1.240.0030.00915.73
7.1.230.0100.00315.48
7.1.220.0080.00415.41
7.1.210.0060.00915.57
7.1.200.0080.00515.82
7.1.190.0030.00615.92
7.1.180.0100.00315.62
7.1.170.0030.00715.79
7.1.160.0030.00915.56
7.1.150.0030.01015.83
7.1.140.0100.00315.72
7.1.130.0090.00315.82
7.1.120.0030.00915.53
7.1.110.0100.00715.77
7.1.100.0030.00717.07
7.1.90.0030.00615.46
7.1.80.0070.00715.88
7.1.70.0060.00616.49
7.1.60.0050.01417.65
7.1.50.0050.01116.17
7.1.40.0070.00415.54
7.1.30.0090.00615.82
7.1.20.0070.00315.78
7.1.10.0040.01115.77
7.1.00.0030.04218.94
7.0.330.0070.00715.26
7.0.320.0070.00315.34
7.0.310.0000.01415.22
7.0.300.0060.00915.29
7.0.290.0030.00615.54
7.0.280.0030.00915.43
7.0.270.0090.00615.36
7.0.260.0070.00715.51
7.0.250.0060.00615.25
7.0.240.0090.00315.34
7.0.230.0070.01015.41
7.0.220.0030.01315.43
7.0.210.0070.00715.43
7.0.200.0040.00715.77
7.0.190.0000.01215.27
7.0.180.0100.00315.17
7.0.170.0140.00015.34
7.0.160.0030.01015.35
7.0.150.0030.00915.18
7.0.140.0030.04018.73
7.0.130.0050.00315.57
7.0.120.0070.00715.53
7.0.110.0070.00315.26
7.0.100.0040.00715.34
7.0.90.0040.00815.50
7.0.80.0080.00415.11
7.0.70.0130.04317.75
7.0.60.0090.04417.57
7.0.50.0150.03617.89
7.0.40.0120.03016.70
7.0.30.0070.04616.79
7.0.20.0070.04516.83
7.0.10.0070.02516.67
7.0.00.0030.02816.85
5.6.400.0030.00614.06
5.6.390.0040.01114.35
5.6.380.0060.00314.18
5.6.370.0060.00314.29
5.6.360.0080.00814.26
5.6.350.0030.00913.96
5.6.340.0050.00313.80
5.6.330.0080.00314.35
5.6.320.0030.00814.57
5.6.310.0090.00314.22
5.6.300.0090.00314.55
5.6.290.0040.00414.62
5.6.280.0050.04117.68
5.6.270.0000.01014.07
5.6.260.0100.00714.23
5.6.250.0100.00314.36
5.6.240.0090.00314.02
5.6.230.0000.01714.57
5.6.220.0070.04317.40
5.6.210.0070.04117.45
5.6.200.0080.04717.68
5.6.190.0120.04017.72
5.6.180.0060.04817.55
5.6.170.0030.03417.65
5.6.160.0030.03417.44
5.6.150.0080.04517.62
5.6.140.0080.04617.68
5.6.130.0100.04117.65
5.6.120.0110.04317.73
5.6.110.0080.04517.71
5.6.100.0070.02417.74
5.6.90.0070.02717.62
5.6.80.0070.04517.31
5.6.70.0070.04417.38
5.6.60.0060.02317.39
5.6.50.0080.03517.20
5.6.40.0030.03017.19
5.6.30.0100.03617.35
5.6.20.0060.03217.36
5.6.10.0080.03617.29
5.6.00.0050.04017.20
5.5.380.0070.01014.08
5.5.370.0090.00614.14
5.5.360.0100.03017.32
5.5.350.0050.04317.35
5.5.340.0070.04217.50
5.5.330.0110.04117.51
5.5.320.0090.03017.45
5.5.310.0070.04517.45
5.5.300.0020.04917.41
5.5.290.0070.04517.34
5.5.280.0070.04217.61
5.5.270.0080.04217.35
5.5.260.0040.02517.43
5.5.250.0040.02417.44
5.5.240.0150.03717.32
5.5.230.0080.01717.17
5.5.220.0050.04017.20
5.5.210.0060.03517.01
5.5.200.0100.02917.25
5.5.190.0080.03217.10
5.5.180.0050.04517.23
5.5.170.0050.00514.07
5.5.160.0090.04217.17
5.5.150.0050.04016.99
5.5.140.0080.02016.97
5.5.130.0050.02417.20
5.5.120.0080.02117.13
5.5.110.0030.02717.02
5.5.100.0070.02217.11
5.5.90.0040.02417.17
5.5.80.0080.02017.13
5.5.70.0030.02717.00
5.5.60.0050.04116.93
5.5.50.0070.02817.15
5.5.40.0020.03517.12
5.5.30.0030.02517.19
5.5.20.0070.03217.22
5.5.10.0050.02317.04
5.5.00.0070.02217.15
5.4.450.0050.04515.86
5.4.440.0090.03915.82
5.4.430.0090.03515.86
5.4.420.0080.04215.86
5.4.410.0090.02715.70
5.4.400.0000.05015.70
5.4.390.0070.03815.75
5.4.380.0020.02915.77
5.4.370.0050.03315.71
5.4.360.0030.03315.74
5.4.350.0070.03015.77
5.4.340.0050.04115.77
5.4.330.0050.00512.36
5.4.320.0070.02215.73
5.4.310.0040.02415.80
5.4.300.0030.02215.69
5.4.290.0090.01715.69
5.4.280.0090.01715.70
5.4.270.0040.02215.74
5.4.260.0050.01915.75
5.4.250.0020.02415.69
5.4.240.0050.02915.70
5.4.230.0060.03115.77
5.4.220.0030.02315.70
5.4.210.0030.03715.79
5.4.200.0000.04715.59
5.4.190.0070.02015.79
5.4.180.0050.02415.77
5.4.170.0000.02515.69
5.4.160.0050.04015.61
5.4.150.0020.03915.71
5.4.140.0040.02214.42
5.4.130.0050.03314.38
5.4.120.0050.01914.39
5.4.110.0030.02314.43
5.4.100.0120.01714.46
5.4.90.0030.02014.44
5.4.80.0060.01914.40
5.4.70.0030.02014.42
5.4.60.0040.03014.41
5.4.50.0030.02114.38
5.4.40.0070.02014.43
5.4.30.0020.02214.33
5.4.20.0020.02714.37
5.4.10.0100.01714.38
5.4.00.0010.02314.00
5.3.290.0080.02513.59
5.3.280.0070.01713.45
5.3.270.0030.02013.48
5.3.260.0000.02913.52
5.3.250.0020.02213.55
5.3.240.0030.02413.54
5.3.230.0070.01813.47
5.3.220.0040.02013.44
5.3.210.0080.01813.45
5.3.200.0030.02013.44
5.3.190.0050.02513.46
5.3.180.0030.02013.43
5.3.170.0020.02313.44
5.3.160.0010.02113.44
5.3.150.0080.01713.50
5.3.140.0060.02013.43
5.3.130.0080.02013.46
5.3.120.0040.03013.42
5.3.110.0040.02513.49
5.3.100.0030.02313.19
5.3.90.0030.02213.21
5.3.80.0030.02113.24
5.3.70.0030.02213.16
5.3.60.0080.01313.24
5.3.50.0030.02213.16
5.3.40.0060.02013.17
5.3.30.0040.02013.11
5.3.20.0020.02112.98
5.3.10.0070.03313.06
5.3.00.0080.01813.06
5.2.170.0000.03311.21
5.2.160.0000.03011.24
5.2.150.0100.05711.09
5.2.140.0000.03711.01
5.2.130.0000.03011.01
5.2.120.0000.03011.00
5.2.110.0030.03310.97
5.2.100.0030.02711.03
5.2.90.0000.03711.02
5.2.80.0000.02711.11
5.2.70.0100.04311.26
5.2.60.0070.05311.07
5.2.50.0100.06011.02
5.2.40.0030.06310.86
5.2.30.0030.04310.90
5.2.20.0070.06010.96
5.2.10.0070.06010.93
5.2.00.0000.05710.83
5.1.60.0000.05010.65
5.1.50.0070.05710.65
5.1.40.0030.05710.65
5.1.30.0100.05310.65
5.1.20.0030.06310.65
5.1.10.0030.05710.65
5.1.00.0000.05010.65
5.0.50.0130.03710.65
5.0.40.0070.04310.65
5.0.30.0030.07010.65
5.0.20.0070.04310.65
5.0.10.0000.03710.65
5.0.00.0070.04710.65
4.4.90.0000.02310.65
4.4.80.0030.02010.65
4.4.70.0030.03010.65
4.4.60.0000.04310.65
4.4.50.0000.03310.65
4.4.40.0000.05710.65
4.4.30.0000.03010.65
4.4.20.0100.03310.65
4.4.10.0030.03310.65
4.4.00.0030.04010.65
4.3.110.0030.03710.65
4.3.100.0030.03310.65
4.3.90.0000.03010.65
4.3.80.0030.03310.65
4.3.70.0070.03010.65
4.3.60.0030.03310.65
4.3.50.0030.01310.65
4.3.40.0000.04010.65
4.3.30.0000.01710.65
4.3.20.0000.04010.65
4.3.10.0030.02310.65
4.3.00.0000.02710.65

preferences:
56.1 ms | 401 KiB | 5 Q