3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:2:{i:0;O:9:"exception":1:{s:16:"'."\0".'Exception'."\0".'trace";s:4:"test";}i:1;R:3;}'; $x = unserialize($x); print_r($x);

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)
8.3.60.0110.00416.75
8.3.50.0070.01221.04
8.3.40.0040.01118.63
8.3.30.0140.00018.70
8.3.20.0040.00420.13
8.3.10.0050.00323.65
8.3.00.0050.00319.69
8.2.180.0070.00718.43
8.2.170.0100.00322.96
8.2.160.0070.00720.38
8.2.150.0080.00024.18
8.2.140.0130.00324.66
8.2.130.0040.00426.16
8.2.120.0090.00017.38
8.2.110.0040.00422.26
8.2.100.0000.01117.63
8.2.90.0060.00319.23
8.2.80.0000.00817.97
8.2.70.0080.00017.50
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0000.00819.27
8.2.30.0000.00919.84
8.2.20.0070.00017.75
8.2.10.0000.00817.95
8.2.00.0000.00718.05
8.1.280.0100.00325.92
8.1.270.0030.00620.43
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00722.27
8.1.230.0040.00717.42
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0040.00717.25
8.1.190.0080.00017.13
8.1.180.0050.00318.10
8.1.170.0000.00818.53
8.1.160.0000.00721.98
8.1.150.0040.00418.75
8.1.140.0040.00417.38
8.1.130.0000.00717.65
8.1.120.0000.00717.43
8.1.110.0050.00317.42
8.1.100.0030.00617.39
8.1.90.0000.00717.28
8.1.80.0040.00417.38
8.1.70.0030.00317.42
8.1.60.0000.00817.54
8.1.50.0000.00817.53
8.1.40.0060.00317.54
8.1.30.0040.00417.55
8.1.20.0030.00517.59
8.1.10.0050.00317.61
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00818.41
8.0.270.0030.00317.29
8.0.260.0000.00817.16
8.0.250.0000.00716.98
8.0.240.0000.00816.93
8.0.230.0020.00516.85
8.0.220.0000.00716.90
8.0.210.0040.00416.78
8.0.200.0060.00016.95
8.0.190.0050.00317.01
8.0.180.0060.00316.94
8.0.170.0080.00016.91
8.0.160.0050.00316.80
8.0.150.0040.00316.82
8.0.140.0000.00716.87
8.0.130.0060.00013.36
8.0.120.0050.00316.78
8.0.110.0040.00416.95
8.0.100.0040.00416.76
8.0.90.0050.00316.81
8.0.80.0040.01116.96
8.0.70.0070.00016.74
8.0.60.0070.00016.78
8.0.50.0070.00016.75
8.0.30.0080.01017.07
8.0.20.0060.01217.40
8.0.10.0000.00716.81
8.0.00.0090.00916.69
7.4.330.0060.00015.08
7.4.320.0030.00316.55
7.4.300.0030.00316.52
7.4.290.0030.00516.46
7.4.280.0080.00016.41
7.4.270.0050.00316.38
7.4.260.0060.00316.54
7.4.250.0040.00416.36
7.4.240.0020.00516.48
7.4.230.0070.00016.48
7.4.220.0130.00616.39
7.4.210.0080.00816.49
7.4.200.0050.00216.43
7.4.160.0090.00616.39
7.4.150.0110.00717.40
7.4.140.0080.01117.86
7.4.130.0100.01016.67
7.4.120.0110.00916.52
7.4.110.0100.00716.31
7.4.100.0140.00616.42
7.4.90.0080.00816.53
7.4.80.0070.01119.39
7.4.70.0100.00716.41
7.4.60.0060.01016.45
7.4.50.0030.00516.51
7.4.40.0070.01016.53
7.4.30.0090.00916.44
7.4.00.0090.00314.97
7.3.330.0060.00012.91
7.3.320.0000.00612.89
7.3.310.0040.00416.30
7.3.300.0040.00416.05
7.3.290.0030.00316.02
7.3.280.0090.01016.13
7.3.270.0070.01117.40
7.3.260.0120.00616.15
7.3.250.0080.01116.28
7.3.240.0000.01816.43
7.3.230.0060.01516.39
7.3.210.0040.01116.23
7.3.200.0030.01216.48
7.3.190.0030.01416.15
7.3.180.0130.00316.17
7.3.170.0070.01016.33
7.3.160.0150.00616.15
7.2.330.0150.00316.56
7.2.320.0130.01416.67
7.2.310.0100.01016.23
7.2.300.0090.00616.38
7.2.290.0090.00916.52
7.2.60.0030.01316.61
7.2.00.0030.01019.08
7.1.200.0000.01315.79
7.1.100.0060.00618.16
7.1.70.0040.00716.80
7.1.60.0100.01620.03
7.1.50.0280.00934.78
7.1.00.0030.07022.41
7.0.200.0140.00714.93
7.0.60.0000.04319.93
7.0.50.0100.07717.96
7.0.40.0130.07020.04
7.0.30.0300.07020.31
7.0.20.0270.05320.19
7.0.10.0070.08320.23
7.0.00.0130.04320.05
5.6.280.0070.07020.98
5.6.210.0070.05720.46
5.6.200.0000.05318.19
5.6.190.0100.05020.60
5.6.180.0400.05020.48
5.6.170.0330.03720.39
5.6.160.0030.04320.60
5.6.150.0170.06718.28
5.6.140.0100.03318.14
5.6.130.0000.04318.28
5.6.120.0070.05721.14
5.6.110.0030.08321.05
5.6.100.0070.07021.00
5.6.90.0030.08721.12
5.6.80.0030.07720.47
5.5.350.3900.04020.42
5.5.340.0200.07018.01
5.5.330.0130.05720.40
5.5.320.0200.04020.30
5.5.310.0370.08020.30
5.5.300.0200.06717.97
5.5.290.0070.08017.98
5.5.280.0030.06020.80
5.5.270.0100.03320.75
5.5.260.0070.08020.86
5.5.250.0030.07720.68
5.5.240.0100.07020.11
5.4.450.0270.04319.31
5.4.440.0070.06319.33
5.4.430.0170.05319.47
5.4.420.0200.05019.54
5.4.410.0100.06019.25
5.4.400.0130.05719.16
5.4.390.0170.06019.03
5.4.380.0270.04319.03
5.4.370.0170.05319.38
5.4.360.0170.05319.03
5.4.350.0070.06319.32
5.4.340.0230.04719.12
5.4.320.0230.04719.06
5.4.310.0070.06019.01
5.4.300.0130.05319.28
5.4.290.0070.06019.28
5.4.280.0230.04719.30
5.4.270.0100.05719.23
5.4.260.0200.04719.14
5.4.250.0070.06319.14
5.4.240.0230.04319.14
5.4.230.0130.05319.00
5.4.220.0230.05719.28
5.4.210.0100.07019.15
5.4.200.0130.05318.86
5.4.190.0200.05318.88
5.4.180.0130.05319.24
5.4.170.0200.04718.86
5.4.160.0070.06019.23
5.4.150.0200.05019.27
5.4.140.0230.04316.33
5.4.130.0130.05716.49
5.4.120.0100.05316.41
5.4.110.0200.04716.64
5.4.100.0100.05316.28
5.4.90.0100.05316.24
5.4.80.0170.04716.26
5.4.70.0200.04716.46
5.4.60.0170.04716.38
5.4.50.0270.04316.16
5.4.40.0300.05716.42
5.4.30.0030.06016.48
5.4.20.0200.03316.39
5.4.10.0230.05016.42

preferences:
64.36 ms | 401 KiB | 5 Q