3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj implements Serializable { public $data; public function serialize() { return serialize($this->data); } 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)
8.3.60.0100.00716.75
8.3.50.0100.01222.05
8.3.40.0110.01118.84
8.3.30.0120.00318.86
8.3.20.0080.00020.33
8.3.10.0000.00723.69
8.3.00.0030.00519.35
8.2.180.0120.00616.88
8.2.170.0110.00322.96
8.2.160.0030.01020.35
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00026.16
8.2.110.0040.00822.25
8.2.100.0040.00817.93
8.2.90.0020.00619.17
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0060.00317.92
8.2.50.0030.00518.07
8.2.40.0000.00719.52
8.2.30.0030.00320.61
8.2.20.0030.00617.69
8.2.10.0000.00818.19
8.2.00.0000.00818.14
8.1.280.0110.00425.92
8.1.270.0030.00623.97
8.1.260.0050.00226.35
8.1.250.0080.00028.09
8.1.240.0060.00322.52
8.1.230.0080.00317.76
8.1.220.0000.00817.76
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0080.00320.50
8.1.160.0040.00421.95
8.1.150.0040.00418.87
8.1.140.0030.00519.52
8.1.130.0070.00017.64
8.1.120.0040.00417.48
8.1.110.0040.00417.54
8.1.100.0040.00417.38
8.1.90.0040.00417.52
8.1.80.0050.00317.51
8.1.70.0040.00417.44
8.1.60.0040.00417.53
8.1.50.0000.00717.58
8.1.40.0000.00817.52
8.1.30.0030.00517.61
8.1.20.0040.00417.59
8.1.10.0040.00417.54
8.1.00.0040.00417.39
8.0.300.0040.00418.90
8.0.290.0030.00616.88
8.0.280.0000.00718.46
8.0.270.0000.00717.26
8.0.260.0040.00417.13
8.0.250.0040.00417.03
8.0.240.0040.00417.04
8.0.230.0030.00317.00
8.0.220.0030.00316.98
8.0.210.0040.00417.04
8.0.200.0030.00317.00
8.0.190.0050.00316.97
8.0.180.0070.00317.00
8.0.170.0000.00717.03
8.0.160.0040.00416.87
8.0.150.0000.00716.79
8.0.140.0040.00416.90
8.0.130.0060.00013.40
8.0.120.0000.00816.84
8.0.110.0080.00016.84
8.0.100.0070.00016.87
8.0.90.0040.00416.99
8.0.80.0060.01316.94
8.0.70.0040.00416.87
8.0.60.0000.00817.03
8.0.50.0040.00416.99
8.0.30.0070.01217.18
8.0.20.0080.01017.40
8.0.10.0030.00617.05
8.0.00.0080.00916.90
7.4.330.0030.00315.16
7.4.320.0060.00016.57
7.4.300.0030.00316.61
7.4.290.0000.00716.57
7.4.280.0040.00416.50
7.4.270.0030.00316.48
7.4.260.0050.00316.61
7.4.250.0050.00216.39
7.4.240.0020.00516.49
7.4.230.0080.00016.53
7.4.220.0070.01116.62
7.4.210.0110.00516.56
7.4.200.0030.00316.62
7.4.160.0120.00416.52
7.4.150.0040.01317.40
7.4.140.0180.00617.86
7.4.130.0110.00716.44
7.4.120.0080.01416.46
7.4.110.0060.01316.46
7.4.100.0040.02016.50
7.4.90.0100.00716.64
7.4.80.0090.01519.39
7.4.70.0030.01316.57
7.4.60.0040.01216.62
7.4.50.0030.00616.36
7.4.40.0120.00616.41
7.4.30.0090.01216.54
7.4.10.0100.01016.27
7.4.00.0080.00815.50
7.3.330.0000.00613.34
7.3.320.0030.00313.34
7.3.310.0070.00016.43
7.3.300.0040.00416.23
7.3.290.0000.00716.43
7.3.280.0140.00516.38
7.3.270.0070.01017.40
7.3.260.0110.01116.67
7.3.250.0130.00616.49
7.3.240.0040.01516.67
7.3.230.0060.01216.60
7.3.210.0070.01016.74
7.3.200.0060.01016.43
7.3.190.0160.00016.53
7.3.180.0110.00616.58
7.3.170.0100.00716.51
7.3.160.0070.01016.57
7.3.130.0060.01316.55
7.3.120.0120.00616.49
7.3.110.0040.01116.36
7.3.100.0130.00316.44
7.3.90.0040.01116.37
7.3.80.0030.00616.33
7.3.70.0000.01516.41
7.3.60.0100.00016.45
7.3.50.0030.01216.42
7.3.40.0070.01116.50
7.3.30.0000.01116.38
7.3.20.0030.01418.08
7.3.10.0070.00717.39
7.3.00.0070.00517.52
7.2.330.0000.01716.75
7.2.320.0130.00616.76
7.2.310.0130.00716.75
7.2.300.0090.00916.45
7.2.290.0110.00716.63
7.2.260.0090.00916.61
7.2.250.0030.01716.63
7.2.240.0040.01116.67
7.2.230.0070.01016.69
7.2.220.0030.01316.63
7.2.210.0090.01016.57
7.2.200.0100.00716.66
7.2.190.0040.01216.65
7.2.180.0030.01316.68
7.2.170.0080.00516.53
7.2.160.0100.00716.38
7.2.150.0040.00718.40
7.2.140.0140.00318.32
7.2.130.0050.00917.59
7.2.120.0090.00817.59
7.2.110.0030.00917.54
7.2.100.0060.01017.69
7.2.90.0070.00717.71
7.2.80.0070.00917.74
7.2.70.0050.00917.76
7.2.60.0070.00617.30
7.2.50.0050.01217.76
7.2.40.0060.00917.59
7.2.30.0080.00817.72
7.2.20.0080.00917.68
7.2.10.0090.00517.66
7.2.00.0050.00818.11
7.1.330.0090.00617.36
7.1.320.0090.00617.40
7.1.310.0060.00917.19
7.1.300.0040.01117.37
7.1.290.0070.00717.20
7.1.280.0090.00617.59
7.1.270.0030.00917.22
7.1.260.0040.01117.32
7.1.250.0080.00316.53
7.1.240.0080.00417.32
7.1.230.0030.00917.11
7.1.220.0110.00417.38
7.1.210.0000.01517.20
7.1.200.0050.00816.67
7.1.190.0070.01017.35
7.1.180.0060.01117.24
7.1.170.0060.00917.13
7.1.160.0030.01117.40
7.1.150.0040.00817.40
7.1.140.0100.00317.27
7.1.130.0060.00617.43
7.1.120.0030.01017.38
7.1.110.0060.00917.37
7.1.100.0030.00917.94
7.1.90.0110.00617.46
7.1.80.0130.00017.34
7.1.70.0080.00616.98
7.1.60.0080.00518.30
7.1.50.0100.00725.95
7.1.40.0090.00617.29
7.1.30.0000.01117.41
7.1.20.0060.00617.25
7.1.10.0070.00717.39
7.1.00.0050.04119.92
7.0.330.0110.00417.02
7.0.320.0090.00616.94
7.0.310.0040.00716.92
7.0.300.0100.00717.05
7.0.290.0060.00317.11
7.0.280.0070.00716.98
7.0.270.0030.00817.16
7.0.260.0070.00717.22
7.0.250.0030.01516.98
7.0.240.0070.00717.05
7.0.230.0000.01117.18
7.0.220.0040.00816.93
7.0.210.0120.00616.94
7.0.200.0170.01016.04
7.0.190.0040.01116.96
7.0.180.0110.00417.03
7.0.170.0040.01117.10
7.0.160.0110.00417.08
7.0.150.0000.01616.98
7.0.140.0030.00616.97
7.0.130.0090.00617.10
7.0.120.0000.01317.14
7.0.110.0100.00317.09
7.0.100.0030.00617.23
7.0.90.0070.00716.95
7.0.80.0050.00417.14
7.0.70.0070.00417.03
7.0.60.0140.04418.44
7.0.50.0090.04217.48
7.0.40.0050.04917.62
7.0.30.0080.02217.55
7.0.20.0150.04817.49
7.0.10.0050.02317.53
7.0.00.0050.05017.54
5.6.400.0030.00916.24
5.6.390.0030.01315.97
5.6.380.0000.01516.24
5.6.370.0100.00615.86
5.6.360.0000.01515.96
5.6.350.0090.00315.99
5.6.340.0070.00715.72
5.6.330.0070.00716.27
5.6.320.0060.01215.90
5.6.310.0090.00616.10
5.6.300.0070.00415.99
5.6.290.0060.00616.34
5.6.280.0030.00915.68
5.6.270.0070.00316.05
5.6.260.0070.00416.08
5.6.250.0030.01315.70
5.6.240.0100.00715.92
5.6.230.0030.00715.89
5.6.220.0090.00615.99
5.6.210.0110.03718.25
5.6.200.0080.04317.08
5.6.190.0050.02418.24
5.6.180.0130.02418.25
5.6.170.0140.02818.16
5.6.160.0030.04518.29
5.6.150.0040.03917.03
5.6.140.0060.04617.05
5.6.130.0050.04317.02
5.6.120.0080.04318.66
5.6.110.0070.04818.53
5.6.100.0100.04218.32
5.6.90.0070.04418.31
5.6.80.0050.02118.07
5.6.70.0070.00715.74
5.6.60.0040.01115.86
5.6.50.0030.01315.58
5.6.40.0040.01115.96
5.6.30.0040.00715.71
5.6.20.0070.00715.77
5.6.10.0030.00615.67
5.6.00.0070.00715.72
5.5.380.0000.00915.64
5.5.370.0100.00015.74
5.5.360.0000.01615.78
5.5.350.0200.03518.21
5.5.340.0080.03516.97
5.5.330.0050.04717.97
5.5.320.0070.03318.04
5.5.310.0250.03918.04
5.5.300.0070.02316.91
5.5.290.0050.04316.95
5.5.280.0070.04518.18
5.5.270.0090.05118.19
5.5.260.0070.02518.32
5.5.250.0090.04718.13
5.5.240.0110.04518.06
5.5.230.0060.00615.71
5.5.220.0130.00015.73
5.5.210.0030.01415.86
5.5.200.0030.01315.97
5.5.190.0060.00615.79
5.5.180.0040.01515.81
5.5.170.0080.00815.80
5.5.160.0040.00915.85
5.5.150.0070.00715.64
5.5.140.0110.00715.61
5.5.130.0000.01515.83
5.5.120.0040.01115.83
5.5.110.0070.00715.75
5.5.100.0070.01115.29
5.5.90.0070.00715.80
5.5.80.0000.01515.82
5.5.70.0040.00715.62
5.5.60.0030.01015.58
5.5.50.0070.01115.83
5.5.40.0100.00715.73
5.5.30.0070.01015.90
5.5.20.0130.00315.57
5.5.10.0070.00715.44
5.5.00.0100.00315.72

preferences:
56.17 ms | 401 KiB | 5 Q