3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj implements Serializable { private $data; protected $extradata; public function __construct() { $this->data = "My private data"; } public function getData() { return $this->data; } public function getExtraData(){ $this->extradata = array( 'data1','data2' ); } public function serialize() { return serialize(array( $this->data, $this->extradata, )); } public function unserialize($data) { $orgdata = unserialize($data); $this->data = $orgdata[0]; $this->extradata = $orgdata[1]; } } $obj = new obj(); $s = serialize($obj); echo 'first serialize: '; var_dump($s); $u = unserialize($s); echo 'first unserialize: '; var_dump($u); $u->getExtraData(); echo 'with extradata: '; var_dump($u); $s2 = serialize($u); echo 'second serialize: '; var_dump($s2); $u2 = unserialize($s2); echo 'second unserialize: '; var_dump($u2);

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)
8.3.60.0100.01018.52
8.3.50.0120.01021.15
8.3.40.0160.00318.84
8.3.30.0110.00419.21
8.3.20.0040.00420.34
8.3.10.0040.00420.66
8.3.00.0040.00419.50
8.2.180.0160.00616.61
8.2.170.0090.00622.96
8.2.160.0000.01420.30
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0100.00022.15
8.2.110.0060.00320.39
8.2.100.0080.00418.22
8.2.90.0000.00819.17
8.2.80.0060.00317.97
8.2.70.0000.00917.75
8.2.60.0030.00518.05
8.2.50.0060.00318.07
8.2.40.0030.00618.20
8.2.30.0030.00619.36
8.2.20.0040.00417.77
8.2.10.0000.00718.04
8.2.00.0020.00517.69
8.1.280.0120.00825.92
8.1.270.0050.00323.88
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0000.00923.98
8.1.230.0080.00419.16
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0070.00417.35
8.1.190.0050.00317.23
8.1.180.0060.00318.10
8.1.170.0080.00018.63
8.1.160.0040.00422.06
8.1.150.0000.00718.98
8.1.140.0030.00617.41
8.1.130.0000.00717.94
8.1.120.0050.00217.49
8.1.110.0040.00417.45
8.1.100.0070.00017.54
8.1.90.0070.00017.39
8.1.80.0040.00417.40
8.1.70.0000.00717.46
8.1.60.0000.00817.51
8.1.50.0040.00417.56
8.1.40.0060.00317.59
8.1.30.0000.00817.69
8.1.20.0040.00417.76
8.1.10.0070.00017.52
8.1.00.0000.00817.41
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0030.00318.38
8.0.270.0040.00417.29
8.0.260.0070.00018.40
8.0.250.0030.00317.12
8.0.240.0070.00016.95
8.0.230.0000.00716.92
8.0.220.0040.00417.02
8.0.210.0000.00717.00
8.0.200.0000.00716.98
8.0.190.0000.00716.95
8.0.180.0040.00417.02
8.0.170.0040.00417.00
8.0.160.0060.00316.94
8.0.150.0000.00816.95
8.0.140.0000.00817.01
8.0.130.0020.00513.41
8.0.120.0020.00517.01
8.0.110.0000.00717.02
8.0.100.0040.00416.77
8.0.90.0000.00716.81
8.0.80.0060.01316.88
8.0.70.0030.00616.87
8.0.60.0040.00417.05
8.0.50.0040.00416.80
8.0.30.0140.00617.05
8.0.20.0080.01117.40
8.0.10.0040.00417.11
8.0.00.0050.01316.77
7.4.330.0000.00515.12
7.4.320.0060.00016.65
7.4.300.0000.00716.72
7.4.290.0080.00316.35
7.4.280.0040.00416.70
7.4.270.0030.00316.61
7.4.260.0050.00316.56
7.4.250.0070.00016.57
7.4.240.0000.00716.58
7.4.230.0050.00216.75
7.4.220.0130.01316.63
7.4.210.0040.01116.71
7.4.200.0070.00016.41
7.4.160.0030.01416.33
7.4.150.0120.00617.40
7.4.140.0070.01117.86
7.4.130.0080.01116.69
7.4.120.0140.00316.62
7.4.110.0120.00616.66
7.4.100.0000.01716.51
7.4.90.0150.00316.65
7.4.80.0130.00918.80
7.4.70.0130.00716.54
7.4.60.0070.01016.41
7.4.50.0030.00616.50
7.4.40.0130.00316.62
7.4.30.0070.01016.46
7.4.00.0060.00614.91
7.3.330.0000.00613.26
7.3.320.0000.00513.21
7.3.310.0000.00816.38
7.3.300.0000.00716.25
7.3.290.0000.01316.29
7.3.280.0040.01116.32
7.3.270.0070.01017.40
7.3.260.0090.00916.40
7.3.250.0110.00816.48
7.3.240.0060.01216.49
7.3.230.0090.00916.43
7.3.210.0090.00916.44
7.3.200.0120.01119.39
7.3.190.0100.00716.53
7.3.180.0100.00616.38
7.3.170.0170.00016.46
7.3.160.0080.00816.41
7.3.10.0070.00316.77
7.3.00.0000.01116.64
7.2.330.0080.01116.75
7.2.320.0090.00916.50
7.2.310.0100.00716.71
7.2.300.0120.00316.72
7.2.290.0030.01616.76
7.2.130.0030.00716.78
7.2.120.0030.01016.76
7.2.110.0030.01016.77
7.2.100.0040.00717.08
7.2.90.0070.00417.06
7.2.80.0080.00417.16
7.2.70.0040.00816.96
7.2.60.0090.00316.95
7.2.50.0070.00716.76
7.2.40.0060.00617.06
7.2.30.0080.00317.17
7.2.20.0000.00916.96
7.2.10.0040.01116.96
7.2.00.0050.00718.26
7.1.250.0110.00016.00
7.1.100.0070.00718.16
7.1.70.0040.00417.18
7.1.60.0100.01319.32
7.1.50.0060.01816.99
7.1.00.0070.07322.51
7.0.200.0030.00616.57
7.0.140.0000.07722.00
7.0.60.0030.07019.81
7.0.50.0130.07017.90
7.0.40.0030.06020.30
7.0.30.0230.08320.30
7.0.20.0230.08020.23
7.0.10.0100.04720.24
7.0.00.0030.08020.14
5.6.280.0000.07721.05
5.6.210.0070.05020.63
5.6.200.0200.07318.15
5.6.190.0030.08720.50
5.6.180.0200.07320.47
5.6.170.0230.07720.45
5.6.160.0070.08720.58
5.6.150.0000.05018.17
5.6.140.0130.05018.21
5.6.130.0170.04718.23
5.6.120.0030.08321.02
5.6.110.0100.05720.98
5.6.100.0000.08720.89
5.6.90.0100.07021.11
5.6.80.0170.07320.38
5.5.350.0200.09020.30
5.5.340.0070.05018.05
5.5.330.0070.08320.40
5.5.320.0270.05020.51
5.5.310.0230.08320.18
5.5.300.0030.04017.93
5.5.290.0000.08718.10
5.5.280.0070.07020.81
5.5.270.0070.04720.77
5.5.260.0130.08020.98
5.5.250.0030.08720.65
5.5.240.0230.08320.30
5.4.450.0470.05719.45
5.4.440.1030.05019.45
5.4.430.1100.04319.60
5.4.420.0670.00019.42
5.4.410.0630.00019.41
5.4.400.0630.00019.34
5.4.390.0630.00019.04
5.4.380.0300.05718.80
5.4.370.0330.05018.63
5.4.360.0470.06318.80
5.4.350.0600.06018.59
5.4.340.0430.05718.61
5.4.320.0050.04112.50
5.4.310.0110.03612.50
5.4.300.0070.03612.50
5.4.290.0070.03712.50
5.4.280.0090.03612.39
5.4.270.0050.04512.39
5.4.260.0100.03512.40
5.4.250.0080.03712.39
5.4.240.0040.04212.40
5.4.230.0060.04312.39
5.4.220.0050.03612.39
5.4.210.0080.03212.39
5.4.200.0090.04012.39
5.4.190.0050.04012.38
5.4.180.0070.03712.39
5.4.170.0060.03912.40
5.4.160.0070.03412.39
5.4.150.0080.03712.39
5.4.140.0070.03612.07
5.4.130.0070.03412.06
5.4.120.0090.03512.02
5.4.110.0060.03512.02
5.4.100.0040.04212.02
5.4.90.0070.03712.02
5.4.80.0080.03812.02
5.4.70.0080.03712.01
5.4.60.0110.03512.01
5.4.50.0040.03712.01
5.4.40.0060.03512.00
5.4.30.0060.03612.00
5.4.20.0070.03811.99
5.4.10.0040.03712.00
5.4.00.0080.03411.49
5.3.290.0150.03912.80
5.3.280.0060.03812.71
5.3.270.0070.04612.72
5.3.260.0060.04912.71
5.3.250.0050.04312.72
5.3.240.0070.03712.72
5.3.230.0080.03712.71
5.3.220.0080.03712.68
5.3.210.0060.04012.68
5.3.200.0080.04012.68
5.3.190.0060.03712.68
5.3.180.0070.03512.67
5.3.170.0090.03512.67
5.3.160.0060.03712.67
5.3.150.0040.03912.67
5.3.140.0090.03312.66
5.3.130.0090.03512.65
5.3.120.0060.03912.66
5.3.110.0060.04012.66
5.3.100.0050.03812.14
5.3.90.0050.03712.11
5.3.80.0070.03712.11
5.3.70.0040.03712.11
5.3.60.0090.04812.09
5.3.50.0070.03512.03
5.3.40.0040.04212.04
5.3.30.0090.04312.00
5.3.20.0060.04411.78
5.3.10.0050.03511.74
5.3.00.0080.04711.73
5.2.170.0070.0369.24
5.2.160.0060.0279.23
5.2.150.0050.0359.24
5.2.140.0040.0309.23
5.2.130.0040.0289.19
5.2.120.0090.0339.19
5.2.110.0060.0319.20
5.2.100.0040.0309.19
5.2.90.0050.0329.20
5.2.80.0020.0369.19
5.2.70.0060.0299.19
5.2.60.0090.0339.15
5.2.50.0070.0309.11
5.2.40.0050.0299.09
5.2.30.0040.0309.07
5.2.20.0070.0279.05
5.2.10.0050.0288.96
5.2.00.0070.0298.82
5.1.60.0040.0248.10
5.1.50.0060.0268.10
5.1.40.0030.0308.09
5.1.30.0060.0328.43
5.1.20.0060.0268.46
5.1.10.0050.0268.18
5.1.00.0040.0298.18
5.0.50.0030.0236.65
5.0.40.0070.0236.51
5.0.30.0070.0366.33
5.0.20.0020.0206.29
5.0.10.0030.0206.27
5.0.00.0060.0306.27
4.4.90.0020.0174.78
4.4.80.0030.0144.75
4.4.70.0050.0134.76
4.4.60.0040.0134.75
4.4.50.0040.0134.77
4.4.40.0050.0224.71
4.4.30.0060.0194.76
4.4.20.0060.0204.84
4.4.10.0040.0184.85
4.4.00.0030.0254.76
4.3.110.0030.0184.67
4.3.100.0020.0164.67
4.3.90.0060.0194.63
4.3.80.0030.0284.59
4.3.70.0020.0254.63
4.3.60.0020.0224.63
4.3.50.0070.0164.63
4.3.40.0040.0264.54
4.3.30.0030.0203.30
4.3.20.0020.0203.28
4.3.10.0010.0213.24
4.3.00.0100.02016.39

preferences:
53.29 ms | 401 KiB | 5 Q