3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Role { } class Foo implements Serializable { private $var1; public function __construct() { $this->var1 = array(new Role()); } public function serialize() { return serialize(array($this->var1)); } public function unserialize($serialized) { list($this->var1) = unserialize($serialized); } } class Bar extends Foo { private $var2; public function __construct() { parent::__construct(); $this->var2 = new \stdClass(); } public function serialize() { return serialize(array($this->var2, parent::serialize())); } public function unserialize($serialized) { list($this->var2, $parentStr) = unserialize($serialized); parent::unserialize($parentStr); } } $foo = new Bar; var_dump(unserialize(serialize($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)
8.3.40.0070.00718.79
8.3.30.0180.00018.78
8.3.20.0040.00418.77
8.3.10.0040.00420.92
8.3.00.0040.00421.86
8.2.170.0100.00722.96
8.2.160.0100.01020.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0090.00621.00
8.2.110.0030.00620.52
8.2.100.0120.00017.91
8.2.90.0050.00319.29
8.2.80.0030.00817.97
8.2.70.0060.00317.50
8.2.60.0040.00418.05
8.2.50.0000.00918.07
8.2.40.0070.00018.34
8.2.30.0040.00421.16
8.2.20.0040.00417.77
8.2.10.0040.00417.77
8.2.00.0040.00417.80
8.1.270.0000.00823.99
8.1.260.0080.00026.35
8.1.250.0100.00328.09
8.1.240.0030.00622.65
8.1.230.0090.00320.95
8.1.220.0050.00318.77
8.1.210.0000.00818.97
8.1.200.0030.00617.23
8.1.190.0000.00717.53
8.1.180.0080.00018.10
8.1.170.0080.00018.62
8.1.160.0070.00018.89
8.1.150.0000.00818.61
8.1.140.0040.00417.39
8.1.130.0070.00017.86
8.1.120.0050.00217.52
8.1.110.0000.00717.50
8.1.100.0000.00817.39
8.1.90.0040.00417.41
8.1.80.0050.00317.49
8.1.70.0030.00317.48
8.1.60.0000.00817.60
8.1.50.0080.00017.50
8.1.40.0040.00417.55
8.1.30.0060.00317.67
8.1.20.0040.00417.69
8.1.10.0000.00817.64
8.1.00.0030.00617.40
8.0.300.0040.00419.98
8.0.290.0060.00316.93
8.0.280.0030.00318.47
8.0.270.0080.00017.29
8.0.260.0000.00716.82
8.0.250.0070.00017.09
8.0.240.0040.00417.10
8.0.230.0000.00717.02
8.0.220.0000.00717.03
8.0.210.0000.00717.00
8.0.200.0030.00617.05
8.0.190.0000.00717.09
8.0.180.0000.00817.04
8.0.170.0060.00317.07
8.0.160.0000.00717.03
8.0.150.0040.00416.99
8.0.140.0040.00416.84
8.0.130.0000.00613.43
8.0.120.0050.00317.06
8.0.110.0040.00417.10
8.0.100.0040.00417.02
8.0.90.0000.00816.94
8.0.80.0000.01517.00
8.0.70.0000.00816.89
8.0.60.0040.00417.05
8.0.50.0040.00416.88
8.0.30.0110.01017.32
8.0.20.0110.00717.40
8.0.10.0040.00417.07
8.0.00.0120.00816.94
7.4.330.0050.00014.84
7.4.320.0000.00616.59
7.4.300.0000.00716.54
7.4.290.0080.00016.54
7.4.280.0000.00716.64
7.4.270.0080.00016.68
7.4.260.0030.00313.27
7.4.250.0000.00916.45
7.4.240.0030.00316.64
7.4.230.0070.00016.64
7.4.220.0070.01116.59
7.4.210.0060.01016.65
7.4.200.0000.00716.59
7.4.190.0090.00016.75
7.4.160.0070.01016.59
7.4.150.0040.01317.40
7.4.140.0080.01117.86
7.4.130.0090.00916.58
7.4.120.0130.00516.47
7.4.110.0100.00716.59
7.4.100.0110.01216.55
7.4.90.0100.01016.54
7.4.80.0100.00719.39
7.4.70.0070.01016.59
7.4.60.0070.01116.59
7.4.50.0040.00416.67
7.4.40.0060.00922.77
7.4.30.0110.00616.71
7.4.10.0060.01214.73
7.4.00.0100.00515.06
7.3.330.0030.00313.26
7.3.320.0050.00013.31
7.3.310.0070.00016.42
7.3.300.0040.00416.38
7.3.290.0040.01416.38
7.3.280.0080.00816.38
7.3.270.0100.00717.40
7.3.260.0090.01118.24
7.3.250.0110.00516.54
7.3.240.0170.00016.40
7.3.230.0090.00916.64
7.3.210.0130.00316.49
7.3.200.0130.00619.39
7.3.190.0070.01116.58
7.3.180.0030.01216.57
7.3.170.0040.01116.49
7.3.160.0040.01916.48
7.3.130.0040.01114.91
7.3.120.0050.01214.71
7.3.110.0100.01014.77
7.3.100.0030.01214.85
7.3.90.0090.00614.83
7.3.80.0000.01514.77
7.3.70.0030.00714.88
7.3.60.0060.00314.81
7.3.50.0060.00314.88
7.3.40.0080.00414.62
7.3.30.0040.00814.91
7.3.20.0030.01016.74
7.3.10.0040.01116.62
7.3.00.0090.00616.75
7.2.330.0040.01316.38
7.2.320.0090.00916.79
7.2.310.0150.00316.52
7.2.300.0140.00316.77
7.2.290.0040.01216.41
7.2.260.0060.01214.92
7.2.250.0090.00915.00
7.2.240.0040.01114.84
7.2.230.0090.00615.13
7.2.220.0130.00015.01
7.2.210.0090.00615.13
7.2.200.0060.00615.23
7.2.190.0070.00714.89
7.2.180.0070.00714.96
7.2.170.0040.01114.91
7.2.160.0060.00915.05
7.2.150.0040.01116.69
7.2.140.0110.00417.02
7.2.130.0060.00316.61
7.2.120.0040.00816.76
7.2.110.0070.00716.77
7.2.100.0030.01017.07
7.2.90.0060.00916.95
7.2.80.0030.01016.93
7.2.70.0000.01017.14
7.2.60.0040.00916.87
7.2.50.0130.00016.70
7.2.40.0080.01117.10
7.2.30.0040.01116.84
7.2.20.0040.01216.57
7.2.10.0060.00616.88
7.2.00.0030.01118.09
7.1.330.0120.00315.76
7.1.320.0030.01115.68
7.1.310.0030.00915.78
7.1.300.0090.00615.60
7.1.290.0090.00315.71
7.1.280.0060.00315.85
7.1.270.0040.01115.46
7.1.260.0090.00615.57
7.1.250.0060.00315.72
7.1.240.0060.00315.83
7.1.230.0040.00815.68
7.1.220.0060.00315.46
7.1.210.0100.00015.82
7.1.200.0070.00715.84
7.1.190.0130.00015.75
7.1.180.0080.00415.82
7.1.170.0050.00315.70
7.1.160.0060.01215.72
7.1.150.0040.01115.75
7.1.140.0070.00715.70
7.1.130.0070.00715.39
7.1.120.0030.00515.70
7.1.110.0030.01015.70
7.1.100.0060.00717.00
7.1.90.0060.00315.75
7.1.80.0000.01115.82
7.1.70.0130.00616.33
7.1.60.0040.00717.57
7.1.50.0100.00716.38
7.1.40.0100.00615.80
7.1.30.0060.00915.45
7.1.20.0080.00415.38
7.1.10.0060.00915.75
7.1.00.0050.04819.16
7.0.330.0040.00415.45
7.0.320.0030.00615.30
7.0.310.0040.01115.25
7.0.300.0000.01215.37
7.0.290.0030.00915.11
7.0.280.0000.00915.28
7.0.270.0110.00015.41
7.0.260.0060.00315.27
7.0.250.0030.00715.30
7.0.240.0000.01015.40
7.0.230.0000.01015.05
7.0.220.0040.00815.39
7.0.210.0070.00415.24
7.0.200.0050.00716.03
7.0.190.0030.00615.38
7.0.180.0060.00615.18
7.0.170.0040.01115.56
7.0.160.0030.00915.30
7.0.150.0000.00815.43
7.0.140.0030.04018.68
7.0.130.0000.01215.48
7.0.120.0050.00515.41
7.0.110.0040.00915.38
7.0.100.0070.00715.37
7.0.90.0030.00615.24
7.0.80.0060.00315.15
7.0.70.0070.00715.34
7.0.60.0130.03818.63
7.0.50.0030.04416.75
7.0.40.0110.04316.52
7.0.30.0080.04316.69
7.0.20.0130.04416.84
7.0.10.0160.03816.62
7.0.00.0080.04516.76
5.6.400.0030.00914.63
5.6.390.0090.00614.59
5.6.380.0120.00314.34
5.6.370.0090.00914.29
5.6.360.0130.00314.33
5.6.350.0090.00914.32
5.6.340.0080.00414.59
5.6.330.0040.00414.32
5.6.320.0030.00914.46
5.6.310.0100.00614.60
5.6.300.0030.00914.28
5.6.290.0110.00314.27
5.6.280.0060.03917.66
5.6.270.0080.00414.52
5.6.260.0030.01014.52
5.6.250.0110.00414.70
5.6.240.0070.00714.26
5.6.230.0060.00314.33
5.6.220.0060.00614.49
5.6.210.0070.02617.55
5.6.200.0000.04816.25
5.6.190.0090.02017.42
5.6.180.0150.02317.56
5.6.170.0120.02417.45
5.6.160.0130.02317.33
5.6.150.0020.04916.32
5.6.140.0030.04416.23
5.6.130.0090.02716.25
5.6.120.0050.02517.74
5.6.110.0050.05217.64
5.6.100.0080.04317.63
5.6.90.0060.04617.56
5.6.80.0070.04717.34
5.6.70.0030.01014.36
5.6.60.0040.00714.05
5.6.50.0040.00814.07
5.6.40.0030.00914.15
5.6.30.0090.00614.22
5.6.20.0100.01014.16
5.6.10.0140.00014.04
5.6.00.0030.01014.34
5.5.380.0040.00814.11
5.5.370.0000.01314.26
5.5.360.0070.00314.37
5.5.350.0170.04217.10
5.5.340.0090.03816.04
5.5.330.0090.02617.10
5.5.320.0130.02717.32
5.5.310.0260.03617.29
5.5.300.0030.02315.99
5.5.290.0070.04316.14
5.5.280.0030.04817.28
5.5.270.0050.02417.41
5.5.260.0070.02317.62
5.5.250.0070.04417.31
5.5.240.0060.02317.23
5.5.230.0030.00513.88
5.5.220.0080.00614.19
5.5.210.0000.01414.30
5.5.200.0030.01014.15
5.5.190.0040.00714.10
5.5.180.0090.00614.36
5.5.170.0070.00414.21
5.5.160.0080.00814.13
5.5.150.0060.00914.19
5.5.140.0000.01713.93
5.5.130.0070.00714.14
5.5.120.0060.00614.46
5.5.110.0080.00414.02
5.5.100.0040.01114.05
5.5.90.0030.00814.23
5.5.80.0060.00614.28
5.5.70.0000.01114.02
5.5.60.0040.00814.40
5.5.50.0000.01014.25
5.5.40.0060.00614.36
5.5.30.0040.00814.25
5.5.20.0000.01013.81
5.5.10.0040.00814.11
5.5.00.0070.00714.01
5.4.450.1790.02015.24
5.4.440.1770.02015.20
5.4.430.1980.02315.13
5.4.420.2030.02315.06
5.4.410.1800.02015.10
5.4.400.1810.02415.06
5.4.390.1700.02515.07
5.4.380.1920.02115.10
5.4.370.1860.02315.04
5.4.360.1700.02414.97
5.4.350.1620.02515.01
5.4.340.1860.01815.11
5.4.330.0060.00610.57
5.4.320.2130.02015.08
5.4.310.2170.02414.90
5.4.300.2030.02115.10
5.4.290.2180.01914.98
5.4.280.2230.01915.04
5.4.270.2170.02015.11
5.4.260.2000.02315.16
5.4.250.1800.02115.07
5.4.240.1680.02015.04
5.4.230.1690.02114.92
5.4.220.1920.02515.06
5.4.210.2080.01715.12
5.4.200.2030.02015.02
5.4.190.1750.02114.97
5.4.180.1700.02015.04
5.4.170.1530.02314.90
5.4.160.1650.01815.01
5.4.150.1480.02714.84
5.4.140.1530.02113.90
5.4.130.1800.01913.80
5.4.120.1850.02213.69
5.4.110.1720.02413.71
5.4.100.1780.02313.66
5.4.90.1940.02113.53
5.4.80.1730.02013.72
5.4.70.2200.01713.63
5.4.60.2000.01913.56
5.4.50.1820.01813.67
5.4.40.1940.01713.57
5.4.30.2180.01913.68
5.4.20.2120.01913.70
5.4.10.1980.02213.60
5.4.00.1880.01613.23
5.3.290.2240.02112.74
5.3.280.2070.02212.70
5.3.270.1600.02512.68
5.3.260.1790.02612.71
5.3.250.1570.01812.60
5.3.240.2020.02512.64
5.3.230.1640.02212.49
5.3.220.1860.01912.43
5.3.210.1910.02112.53
5.3.200.1860.02412.47
5.3.190.1750.02412.55
5.3.180.2000.01312.69
5.3.170.2150.02112.61
5.3.160.1900.01712.62
5.3.150.2120.02312.71
5.3.140.2230.02212.56
5.3.130.1700.02312.47
5.3.120.2170.02212.63
5.3.110.1870.02212.60
5.3.100.1680.02712.30
5.3.90.1990.02412.43
5.3.80.1600.02112.37
5.3.70.1950.01812.37
5.3.60.1890.02312.33
5.3.50.1680.02112.18
5.3.40.2070.02212.32
5.3.30.1770.02212.24
5.3.20.1820.02312.23
5.3.10.1790.01812.04
5.3.00.1830.01812.06
5.2.170.3030.03711.13
5.2.160.3800.03011.20
5.2.150.3600.03011.06
5.2.140.3300.02711.22
5.2.130.3070.03311.20
5.2.120.3030.02711.18
5.2.110.3200.03311.09
5.2.100.3070.03011.09
5.2.90.3270.03011.19
5.2.80.3070.03711.12
5.2.70.3400.03011.26
5.2.60.3670.03011.12
5.2.50.3030.03011.19
5.2.40.2630.02710.98
5.2.30.2470.03310.88
5.2.20.2630.02710.99
5.2.10.2400.02710.80
5.2.00.2700.03010.63
5.1.60.2630.0209.93
5.1.50.2800.0309.99
5.1.40.2670.0239.90
5.1.30.2670.02710.40
5.1.20.2930.03010.26
5.1.10.3170.01710.00
5.1.00.2830.02710.11
5.0.50.1430.0208.47
5.0.40.1700.0138.40
5.0.30.1700.0378.39
5.0.20.1400.0238.26
5.0.10.1270.0178.09
5.0.00.1170.0278.14
4.4.90.1770.0136.99
4.4.80.1370.0176.99
4.4.70.1230.0206.99
4.4.60.1430.0176.99
4.4.50.1230.0176.99
4.4.40.1370.0236.99
4.4.30.1630.0176.99
4.4.20.1400.0106.99
4.4.10.1600.0176.99
4.4.00.1730.0276.99
4.3.110.1770.0106.99
4.3.100.1400.0176.99
4.3.90.1400.0206.99
4.3.80.1500.0306.99
4.3.70.1130.0136.99
4.3.60.1170.0106.99
4.3.50.1270.0176.99
4.3.40.1430.0206.99
4.3.30.0430.0276.99
4.3.20.0800.0206.99
4.3.10.0900.0206.99
4.3.00.0830.0206.99

preferences:
42.31 ms | 400 KiB | 5 Q