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(strlen($x[1]));

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
8.3.50.0130.00521.15
8.3.40.0070.00718.92
8.3.30.0110.00418.68
8.3.20.0060.00320.16
8.3.10.0000.00723.73
8.3.00.0050.00319.78
8.2.180.0110.01116.50
8.2.170.0110.00322.96
8.2.160.0070.00720.35
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0000.00817.48
8.2.110.0060.00322.05
8.2.100.0080.00417.50
8.2.90.0050.00319.05
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0080.00017.80
8.2.50.0060.00318.07
8.2.40.0040.00421.17
8.2.30.0030.00619.84
8.2.20.0080.00017.74
8.2.10.0080.00018.08
8.2.00.0040.00418.12
8.1.280.0100.00725.92
8.1.270.0000.00920.37
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.48
8.1.230.0060.00617.42
8.1.220.0040.00417.76
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0090.00017.10
8.1.180.0000.00818.10
8.1.170.0000.00818.52
8.1.160.0040.00422.03
8.1.150.0050.00218.82
8.1.140.0050.00317.34
8.1.130.0000.00717.52
8.1.120.0040.00417.45
8.1.110.0000.00817.36
8.1.100.0070.00017.36
8.1.90.0030.00317.41
8.1.80.0040.00417.40
8.1.70.0070.00017.30
8.1.60.0050.00317.53
8.1.50.0030.00617.42
8.1.40.0000.00817.50
8.1.30.0040.00417.54
8.1.20.0050.00217.69
8.1.10.0070.00017.60
8.1.00.0080.00017.56
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0040.00418.35
8.0.270.0030.00317.20
8.0.260.0060.00017.12
8.0.250.0040.00416.96
8.0.240.0040.00416.90
8.0.230.0000.00716.93
8.0.220.0080.00016.94
8.0.210.0000.00716.94
8.0.200.0060.00016.96
8.0.190.0030.00316.98
8.0.180.0040.00416.83
8.0.170.0040.00416.80
8.0.160.0070.00017.01
8.0.150.0070.00016.83
8.0.140.0040.00416.86
8.0.130.0030.00313.40
8.0.120.0050.00316.87
8.0.110.0060.00316.93
8.0.100.0080.00016.96
8.0.90.0040.00416.96
8.0.80.0100.01316.79
8.0.70.0080.00016.87
8.0.60.0070.00016.84
8.0.50.0030.00516.80
8.0.30.0120.00816.86
8.0.20.0110.00917.40
8.0.10.0000.00817.03
8.0.00.0080.01016.68
7.4.330.0030.00315.15
7.4.320.0060.00016.59
7.4.300.0000.00716.41
7.4.290.0030.00616.54
7.4.280.0000.00816.44
7.4.270.0030.00316.54
7.4.260.0030.00616.51
7.4.250.0030.00616.31
7.4.240.0030.00316.52
7.4.230.0030.00316.62
7.4.220.0070.01116.44
7.4.210.0080.00816.59
7.4.200.0070.00016.55
7.4.160.0130.00316.73
7.4.150.0100.00717.40
7.4.140.0130.00717.86
7.4.130.0130.00916.50
7.4.120.0110.00916.51
7.4.110.0070.01716.38
7.4.100.0160.00316.40
7.4.90.0120.00616.50
7.4.80.0050.01119.39
7.4.70.0120.00816.46
7.4.60.0130.00316.52
7.4.50.0020.00216.37
7.4.40.0090.00616.49
7.4.30.0090.01216.54
7.4.00.0060.00614.78
7.3.330.0020.00413.06
7.3.320.0000.00513.22
7.3.310.0000.00816.27
7.3.300.0060.00016.20
7.3.290.0110.00616.19
7.3.280.0130.00516.21
7.3.270.0080.00917.40
7.3.260.0180.00316.45
7.3.250.0070.01016.32
7.3.240.0130.01016.21
7.3.230.0130.00316.39
7.3.210.0100.00716.15
7.3.200.0100.00616.42
7.3.190.0090.00616.32
7.3.180.0060.00916.48
7.3.170.0090.00616.27
7.3.160.0130.00916.54
7.3.10.0040.01116.74
7.3.00.0000.01116.43
7.2.330.0090.00916.56
7.2.320.0090.01016.68
7.2.310.0060.01016.28
7.2.300.0080.00816.50
7.2.290.0110.00716.43
7.2.130.0000.01116.89
7.2.120.0060.00916.93
7.2.110.0060.00616.67
7.2.100.0070.00716.75
7.2.90.0070.00716.64
7.2.80.0120.00316.82
7.2.70.0100.00016.82
7.2.60.0090.00616.89
7.2.50.0090.00616.42
7.2.40.0000.01316.68
7.2.30.0040.00716.79
7.2.20.0030.01317.04
7.2.10.0040.01116.89
7.2.00.0030.01017.99
7.1.250.0070.00715.70
7.1.200.0060.00915.73
7.1.100.0040.00718.00
7.1.70.0080.00017.13
7.1.60.0100.01420.03
7.1.50.0070.00717.05
7.1.00.0030.07722.30
7.0.200.0030.00716.88
7.0.60.0130.07720.03
7.0.50.0070.03717.83
7.0.40.0030.07020.27
7.0.30.0270.08020.13
7.0.20.0330.05020.00
7.0.10.0070.08020.09
7.0.00.0070.07020.16
5.6.280.0070.02721.04
5.6.210.0070.03720.66
5.6.200.0100.08018.09
5.6.190.0100.07320.64
5.6.180.0300.07720.41
5.6.170.0400.07020.62
5.6.160.0070.04720.32
5.6.150.0030.04018.16
5.6.140.0070.04718.10
5.6.130.0170.04318.11
5.6.120.0130.04320.99
5.6.110.0030.04021.01
5.6.100.0100.07021.13
5.6.90.0100.04320.94
5.6.80.0170.08320.44
5.5.350.3900.04320.32
5.5.340.0130.07717.92
5.5.330.0000.09020.25
5.5.320.0300.03720.18
5.5.310.0230.07320.16
5.5.300.0100.07717.96
5.5.290.0100.07717.96
5.5.280.0130.07720.98
5.5.270.0070.06320.86
5.5.260.0100.08020.71
5.5.250.0030.07020.58
5.5.240.0030.07320.18
5.4.450.0170.05719.32
5.4.440.0170.05319.30
5.4.430.0230.04718.93
5.4.420.0130.05719.34
5.4.410.0170.05319.29
5.4.400.0200.05019.20
5.4.390.0170.05318.77
5.4.380.0130.05318.70
5.4.370.0130.05319.21
5.4.360.0130.06319.16
5.4.350.0170.05018.80
5.4.340.0130.05719.22
5.4.320.0200.05719.09
5.4.310.0070.05719.07
5.4.300.0170.07318.97
5.4.290.0230.04319.19
5.4.280.0130.05319.09
5.4.270.0170.04719.19
5.4.260.0370.05319.12
5.4.250.0270.05319.04
5.4.240.0230.05019.06
5.4.230.0100.05719.23
5.4.220.0300.04319.10
5.4.210.0300.06019.07
5.4.200.0130.05318.75
5.4.190.0170.05019.07
5.4.180.0100.05719.22
5.4.170.0100.05718.74
5.4.160.0100.05719.11
5.4.150.0130.05319.17
5.4.140.0170.05016.43
5.4.130.0100.05016.34
5.4.120.0100.05016.42
5.4.110.0130.06316.51
5.4.100.0100.05316.50
5.4.90.0200.04016.50
5.4.80.0170.04716.07
5.4.70.0130.05716.41
5.4.60.0230.07016.40
5.4.50.0130.04016.40
5.4.40.0230.07716.40
5.4.30.0030.07316.48
5.4.20.0030.04716.04
5.4.10.0300.06716.36

preferences:
52.28 ms | 401 KiB | 5 Q