3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj implements \Serializable { private $data; public function __construct() { $this->data = "My private data"; } public function serialize() { return serialize($this->data); } public function unserialize($data) { $this->data = unserialize($data); } public function getData() { return $this->data; } } $obj = new obj; $ser = serialize($obj); var_dump($ser); $newobj = unserialize($ser); var_dump($newobj->getData()); ?>

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)
8.3.60.0070.01118.68
8.3.50.0140.00522.88
8.3.40.0110.00418.80
8.3.30.0070.00718.71
8.3.20.0040.00420.14
8.3.10.0080.00021.64
8.3.00.0040.00419.79
8.2.180.0120.00618.13
8.2.170.0100.00722.96
8.2.160.0120.00320.38
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0110.00019.34
8.2.110.0090.00022.16
8.2.100.0120.00019.57
8.2.90.0060.00319.05
8.2.80.0050.00319.48
8.2.70.0040.00417.75
8.2.60.0040.00418.03
8.2.50.0030.00618.07
8.2.40.0050.00318.34
8.2.30.0060.00319.36
8.2.20.0000.00717.57
8.2.10.0020.00518.04
8.2.00.0070.00017.56
8.1.280.0090.00625.92
8.1.270.0080.00022.14
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0090.00023.73
8.1.230.0030.00919.02
8.1.220.0000.00717.79
8.1.210.0040.00418.77
8.1.200.0030.00617.25
8.1.190.0000.00817.66
8.1.180.0050.00318.10
8.1.170.0080.00018.57
8.1.160.0090.00018.84
8.1.150.0070.00018.87
8.1.140.0000.00817.46
8.1.130.0030.00317.70
8.1.120.0040.00417.35
8.1.110.0080.00017.36
8.1.100.0000.00717.46
8.1.90.0000.00717.48
8.1.80.0040.00417.38
8.1.70.0070.00017.40
8.1.60.0060.00317.61
8.1.50.0060.00317.56
8.1.40.0000.00717.53
8.1.30.0030.00517.66
8.1.20.0040.00417.61
8.1.10.0050.00217.43
8.1.00.0040.00417.48
8.0.300.0040.00418.77
8.0.290.0000.00716.92
8.0.280.0000.00718.38
8.0.270.0000.00717.23
8.0.260.0040.00417.18
8.0.250.0070.00016.99
8.0.240.0030.00317.00
8.0.230.0030.00316.98
8.0.220.0070.00016.90
8.0.210.0040.00416.87
8.0.200.0030.00316.90
8.0.190.0030.00517.03
8.0.180.0040.00416.91
8.0.170.0060.00316.96
8.0.160.0030.00516.99
8.0.150.0060.00316.89
8.0.140.0070.00016.95
8.0.130.0060.00013.42
8.0.120.0040.00416.90
8.0.110.0000.00817.00
8.0.100.0000.00717.01
8.0.90.0030.00416.84
8.0.80.0100.00716.90
8.0.70.0000.00816.86
8.0.60.0040.00416.94
8.0.50.0000.00716.80
8.0.30.0130.00816.96
8.0.20.0110.00717.40
8.0.10.0040.00416.91
8.0.00.0100.00716.94
7.4.330.0020.00215.15
7.4.320.0000.00616.52
7.4.300.0000.00616.50
7.4.290.0030.00316.49
7.4.280.0040.00416.59
7.4.270.0030.00316.41
7.4.260.0000.00816.62
7.4.250.0000.00716.52
7.4.240.0040.00416.58
7.4.230.0000.00716.58
7.4.220.0070.01116.67
7.4.210.0030.01016.55
7.4.200.0000.00716.41
7.4.160.0190.00416.57
7.4.150.0140.00717.40
7.4.140.0100.01017.86
7.4.130.0080.00916.79
7.4.120.0050.01316.64
7.4.110.0140.00416.66
7.4.100.0150.00616.68
7.4.90.0100.00716.42
7.4.80.0060.01219.39
7.4.70.0090.00916.60
7.4.60.0100.00616.54
7.4.50.0030.00316.56
7.4.40.0060.01116.46
7.4.30.0090.01416.51
7.4.00.0060.00915.13
7.3.330.0000.00713.38
7.3.320.0000.00513.27
7.3.310.0000.00716.21
7.3.300.0050.00216.36
7.3.290.0060.01016.29
7.3.280.0080.00916.32
7.3.270.0100.00717.40
7.3.260.0080.00916.52
7.3.250.0060.01116.44
7.3.240.0090.00916.25
7.3.230.0120.00316.43
7.3.210.0110.00616.43
7.3.200.0130.00919.39
7.3.190.0060.01016.40
7.3.180.0090.00616.49
7.3.170.0140.00316.29
7.3.160.0130.00316.35
7.2.330.0150.00916.51
7.2.320.0130.01016.56
7.2.310.0120.01816.57
7.2.300.0110.01116.49
7.2.290.0040.01416.45
7.2.00.0060.01019.24
7.1.100.0030.00918.00
7.1.70.0060.00917.16
7.1.60.0100.01319.34
7.1.50.0100.01016.92
7.1.00.0000.07722.30
7.0.200.0000.00816.47
7.0.140.0030.06722.18
7.0.60.0070.06019.96
7.0.50.0070.04017.86
7.0.40.0000.08720.10
7.0.30.0630.07320.13
7.0.20.0230.05720.07
7.0.10.0300.06720.33
7.0.00.0170.08020.18
5.6.280.0070.06721.04
5.6.210.0070.06320.55
5.6.200.0070.09018.24
5.6.190.0070.04720.57
5.6.180.0400.07020.44
5.6.170.0230.07020.48
5.6.160.0100.06020.50
5.6.150.0070.04318.18
5.6.140.0030.07318.24
5.6.130.0070.07718.28
5.6.120.0070.04721.04
5.6.110.0070.05721.09
5.6.100.0030.05021.02
5.6.90.0100.08321.14
5.6.80.0100.04320.54
5.6.70.0200.06320.51
5.5.350.0130.07320.39
5.5.340.0000.04317.99
5.5.330.0070.08320.27
5.5.320.0170.04320.44
5.5.310.0370.03320.30
5.5.300.0070.04018.08
5.5.290.0070.05317.93
5.5.280.0130.06720.81
5.5.270.0070.08320.77
5.5.260.0100.06720.84
5.5.250.0130.07720.68
5.5.240.0030.04020.27
5.4.450.0200.05319.20
5.4.440.0230.03719.48
5.4.430.0270.04019.55
5.4.420.0170.05019.38
5.4.410.0070.06019.03
5.4.400.0170.04718.73
5.4.390.0070.06018.75
5.4.380.0230.06018.50
5.4.370.0030.06718.80
5.4.360.0030.05718.84
5.4.350.0070.05013.80
5.4.340.0070.04013.85
5.4.320.0170.03314.27
5.4.310.0100.04314.29
5.4.300.0100.04714.42
5.4.290.0100.05314.27
5.4.280.0070.03714.15
5.4.270.0070.03714.16
5.4.260.0070.04014.16
5.4.250.0070.04314.19
5.4.240.0030.04314.14
5.4.230.0070.04314.16
5.4.220.0170.04314.14
5.4.210.0070.04014.14
5.4.200.0130.04014.21
5.4.190.0030.04014.17
5.4.180.0100.04314.13
5.4.170.0070.04014.32
5.4.160.0100.03714.14
5.4.150.0100.03314.13
5.4.140.0130.05013.86
5.4.130.0000.05013.84
5.4.120.0100.04313.78
5.4.110.0070.04013.79
5.4.100.0170.03013.79
5.4.90.0070.04013.71
5.4.80.0100.04313.73
5.4.70.0130.04013.71
5.4.60.0100.04013.77
5.4.50.0100.03713.75
5.4.40.0130.04713.88
5.4.30.0130.04713.79
5.4.20.0200.04713.76
5.4.10.0100.05013.77
5.4.00.0070.05313.24
5.3.290.0130.04714.86
5.3.280.0170.04314.65
5.3.270.0100.04714.82
5.3.260.0100.04714.63
5.3.250.0100.04314.84
5.3.240.0100.05014.80
5.3.230.0000.05014.66
5.3.220.0100.04014.64
5.3.210.0100.03714.64
5.3.200.0070.04014.69
5.3.190.0100.03714.80
5.3.180.0100.05014.79
5.3.170.0100.05014.67
5.3.160.0070.04014.77
5.3.150.0100.04014.63
5.3.140.0100.04014.77
5.3.130.0070.04714.57
5.3.120.0100.03714.85
5.3.110.0070.04014.73
5.3.100.0100.04314.02
5.3.90.0230.03714.24
5.3.80.0170.03714.07
5.3.70.0170.03314.09
5.3.60.0070.04714.10
5.3.50.0070.04314.01
5.3.40.0100.03714.07
5.3.30.0130.03714.10
5.3.20.0030.04713.78
5.3.10.0130.04313.78
5.3.00.0100.04713.81
5.2.170.0130.03711.14
5.2.160.0030.03711.13
5.2.150.0100.03311.07
5.2.140.0100.03011.27
5.2.130.0030.03311.15
5.2.120.0030.03011.15
5.2.110.0100.03711.09
5.2.100.0030.03011.28
5.2.90.0030.04311.16
5.2.80.0070.04011.19
5.2.70.0130.03011.09
5.2.60.0070.03011.11
5.2.50.0170.02711.07
5.2.40.0030.03311.07
5.2.30.0100.03311.03
5.2.20.0030.04311.12
5.2.10.0030.03311.04
5.2.00.0000.03310.78
5.1.60.0000.02710.07
5.1.50.0070.0239.96
5.1.40.0100.02010.07
5.1.30.0030.02710.32
5.1.20.0030.03010.30
5.1.10.0030.03010.21
5.1.00.0100.02710.00
5.0.50.0000.0278.52
5.0.40.0030.0208.36
5.0.30.0030.0338.21
5.0.20.0030.0278.30
5.0.10.0030.0278.22
5.0.00.0030.0408.23
4.4.90.0000.0205.89
4.4.80.0030.0135.98
4.4.70.0000.0205.84
4.4.60.0000.0175.88
4.4.50.0030.0135.86
4.4.40.0030.0235.80
4.4.30.0030.0135.89
4.4.20.0070.0135.88
4.4.10.0100.0105.97
4.4.00.0000.0305.85
4.3.110.0070.0135.79
4.3.100.0000.0175.76
4.3.90.0000.0175.81
4.3.80.0030.0235.75
4.3.70.0000.0175.89
4.3.60.0000.0175.77
4.3.50.0030.0235.89
4.3.40.0000.0335.68
4.3.30.0070.0174.49
4.3.20.0000.0234.49
4.3.10.0000.0174.44
4.3.00.0000.01716.65

preferences:
42.95 ms | 401 KiB | 5 Q