3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:2:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";i:1;}i:1;R:3;}'; $x = unserialize($x); var_dump($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)
8.3.60.0040.01816.88
8.3.50.0080.00818.25
8.3.40.0100.00718.73
8.3.30.0070.00719.02
8.3.20.0070.00020.34
8.3.10.0080.00023.66
8.3.00.0050.00319.69
8.2.180.0060.00916.88
8.2.170.0060.00822.96
8.2.160.0100.00320.39
8.2.150.0040.00424.18
8.2.140.0120.00624.66
8.2.130.0000.00726.16
8.2.120.0060.00317.63
8.2.110.0040.01221.12
8.2.100.0070.00417.72
8.2.90.0040.00419.05
8.2.80.0080.00017.97
8.2.70.0050.00317.50
8.2.60.0000.00717.93
8.2.50.0040.00418.10
8.2.40.0000.00921.12
8.2.30.0040.00419.81
8.2.20.0040.00417.68
8.2.10.0040.00417.97
8.2.00.0050.00217.93
8.1.280.0070.01025.92
8.1.270.0110.00420.38
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0060.00322.75
8.1.230.0080.00417.83
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0030.00617.22
8.1.180.0060.00318.10
8.1.170.0060.00318.52
8.1.160.0040.00421.96
8.1.150.0040.00418.84
8.1.140.0030.00517.39
8.1.130.0000.00717.57
8.1.120.0000.00717.32
8.1.110.0040.00417.46
8.1.100.0000.00817.43
8.1.90.0000.00717.40
8.1.80.0000.00717.35
8.1.70.0030.00317.35
8.1.60.0030.00617.48
8.1.50.0080.00017.54
8.1.40.0080.00017.44
8.1.30.0040.00417.50
8.1.20.0000.00817.50
8.1.10.0080.00017.58
8.1.00.0040.00417.53
8.0.300.0040.00718.77
8.0.290.0000.00816.75
8.0.280.0070.00018.40
8.0.270.0000.00717.20
8.0.260.0080.00017.20
8.0.250.0000.00717.01
8.0.240.0030.00616.96
8.0.230.0070.00016.94
8.0.220.0080.00016.92
8.0.210.0050.00316.93
8.0.200.0060.00016.91
8.0.190.0040.00417.01
8.0.180.0040.00416.89
8.0.170.0030.00616.93
8.0.160.0000.00816.95
8.0.150.0030.00316.95
8.0.140.0000.00716.86
8.0.130.0000.00513.34
8.0.120.0050.00316.91
8.0.110.0040.00416.90
8.0.100.0040.00316.90
8.0.90.0040.00416.79
8.0.80.0120.00316.96
8.0.70.0000.00716.75
8.0.60.0040.00417.02
8.0.50.0080.00016.89
8.0.30.0110.00817.03
8.0.20.0070.01017.40
8.0.10.0040.00416.90
8.0.00.0100.00816.64
7.4.330.0000.00515.08
7.4.320.0060.00016.55
7.4.300.0070.00016.50
7.4.290.0000.00716.56
7.4.280.0080.00016.36
7.4.270.0030.00316.54
7.4.260.0070.00016.47
7.4.250.0040.00416.35
7.4.240.0030.00416.50
7.4.230.0040.00416.56
7.4.220.0090.01316.38
7.4.210.0000.02116.41
7.4.200.0040.00416.38
7.4.160.0100.00716.32
7.4.150.0110.00717.40
7.4.140.0120.01017.86
7.4.130.0140.00416.46
7.4.120.0120.01216.28
7.4.110.0180.01116.52
7.4.100.0160.00816.18
7.4.90.0050.01316.50
7.4.80.0000.02019.39
7.4.70.0060.01216.57
7.4.60.0080.00816.40
7.4.50.0000.00816.44
7.4.40.0120.00616.31
7.4.30.0120.00816.37
7.4.00.0060.00914.93
7.3.330.0030.00312.96
7.3.320.0020.00212.96
7.3.310.0000.00616.00
7.3.300.0030.00316.00
7.3.290.0080.00816.11
7.3.280.0120.00616.20
7.3.270.0130.00517.40
7.3.260.0190.00016.26
7.3.250.0120.00716.30
7.3.240.0090.00916.29
7.3.230.0150.00316.39
7.3.210.0070.01116.24
7.3.200.0070.01016.27
7.3.190.0090.00916.61
7.3.180.0060.01016.33
7.3.170.0080.01116.39
7.3.160.0110.00716.37
7.3.10.0100.00616.29
7.3.00.0050.00516.45
7.2.330.0160.00316.33
7.2.320.0090.00916.67
7.2.310.0070.01016.25
7.2.300.0130.00316.40
7.2.290.0150.00416.32
7.2.130.0000.01116.80
7.2.120.0070.00716.80
7.2.110.0100.00316.65
7.2.100.0070.00716.72
7.2.90.0070.00717.02
7.2.80.0000.00916.86
7.2.70.0090.00016.78
7.2.60.0060.00816.78
7.2.50.0060.00616.68
7.2.40.0030.01016.86
7.2.30.0080.00416.38
7.2.20.0040.01116.85
7.2.10.0060.00317.00
7.2.00.0050.00818.05
7.1.250.0000.01415.70
7.1.200.0030.00915.72
7.1.100.0050.00517.98
7.1.70.0000.00817.09
7.1.60.0130.01020.03
7.1.50.0080.01216.66
7.1.00.0030.07722.44
7.0.200.0060.00316.57
7.0.60.0070.07019.95
7.0.50.0030.08317.82
7.0.40.0030.05019.90
7.0.30.0270.04319.95
7.0.20.0200.06720.18
7.0.10.0030.04320.00
7.0.00.0070.04320.09
5.6.280.0070.02721.14
5.6.210.0130.07720.55
5.6.200.0070.05018.23
5.6.190.0100.08320.65
5.6.180.0330.07720.39
5.6.170.0230.04320.50
5.6.160.0030.04320.49
5.6.150.0030.06318.19
5.6.140.0070.08318.19
5.6.130.0070.08018.07
5.6.120.0000.04320.97
5.6.110.0030.09021.11
5.6.100.0130.08721.03
5.6.90.0130.07721.11
5.6.80.0070.03720.37
5.5.350.4100.04720.37
5.5.340.0030.05017.88
5.5.330.0030.04320.13
5.5.320.0300.07720.23
5.5.310.0370.07320.41
5.5.300.0030.04017.96
5.5.290.0030.05017.86
5.5.280.0070.08320.89
5.5.270.0030.04720.77
5.5.260.0030.08720.96
5.5.250.0030.08320.68
5.5.240.0000.08020.11
5.4.450.0100.06319.50
5.4.440.0270.04719.11
5.4.430.0130.05719.50
5.4.420.0170.05319.25
5.4.410.0130.05719.24
5.4.400.0070.06019.24
5.4.390.0130.05719.08
5.4.380.0230.04319.07
5.4.370.0200.04719.18
5.4.360.0200.05018.89
5.4.350.0270.05019.09
5.4.340.0130.06718.97
5.4.320.0100.06018.92
5.4.310.0100.05719.18
5.4.300.0170.05019.07
5.4.290.0130.05718.77
5.4.280.0130.05718.90
5.4.270.0230.04718.99
5.4.260.0100.05719.09
5.4.250.0130.05318.88
5.4.240.0100.05719.23
5.4.230.0270.04019.16
5.4.220.0230.04719.06
5.4.210.0370.05018.75
5.4.200.0130.05319.08
5.4.190.0170.05318.88
5.4.180.0100.05719.06
5.4.170.0130.05319.16
5.4.160.0100.05719.05
5.4.150.0200.04718.76
5.4.140.0230.04316.17
5.4.130.0100.05316.42
5.4.120.0030.06016.20
5.4.110.0170.05316.46
5.4.100.0300.03716.36
5.4.90.0130.05016.06
5.4.80.0170.04716.47
5.4.70.0170.03716.20
5.4.60.0200.03016.37
5.4.50.0170.03716.46
5.4.40.0300.06316.39
5.4.30.0030.04716.38
5.4.20.0030.06316.04
5.4.10.0330.06316.04

preferences:
57.04 ms | 400 KiB | 5 Q