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";O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";R:2;}}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)
8.3.60.0070.01116.50
8.3.50.0140.00321.23
8.3.40.0110.00318.79
8.3.30.0070.00718.67
8.3.20.0040.00420.04
8.3.10.0030.00623.71
8.3.00.0030.00619.68
8.2.180.0040.01418.54
8.2.170.0120.00322.96
8.2.160.0120.00320.44
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0030.00626.16
8.2.120.0060.00317.63
8.2.110.0070.01420.39
8.2.100.0120.00319.64
8.2.90.0040.00417.91
8.2.80.0040.00420.54
8.2.70.0030.00617.80
8.2.60.0080.00017.91
8.2.50.0040.00418.10
8.2.40.0050.00320.60
8.2.30.0030.00619.30
8.2.20.0040.00417.58
8.2.10.0000.00918.05
8.2.00.0000.00817.95
8.1.280.0040.01125.92
8.1.270.0030.00520.33
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.92
8.1.230.0040.00821.04
8.1.220.0000.00717.74
8.1.210.0050.00318.77
8.1.200.0000.00817.23
8.1.190.0040.00417.40
8.1.180.0040.00418.10
8.1.170.0050.00318.53
8.1.160.0000.00818.79
8.1.150.0000.00720.27
8.1.140.0040.00417.30
8.1.130.0080.00017.70
8.1.120.0000.00717.46
8.1.110.0050.00217.23
8.1.100.0070.00017.47
8.1.90.0000.00817.44
8.1.80.0000.00717.43
8.1.70.0070.00017.30
8.1.60.0090.00017.51
8.1.50.0030.00517.52
8.1.40.0040.00417.52
8.1.30.0040.00417.63
8.1.20.0040.00417.56
8.1.10.0000.00717.44
8.1.00.0050.00217.44
8.0.300.0050.00320.05
8.0.290.0030.00616.75
8.0.280.0070.00018.29
8.0.270.0000.00717.21
8.0.260.0030.00317.14
8.0.250.0040.00416.97
8.0.240.0030.00616.90
8.0.230.0000.00716.93
8.0.220.0040.00416.93
8.0.210.0040.00416.91
8.0.200.0000.00817.02
8.0.190.0040.00416.92
8.0.180.0040.00416.86
8.0.170.0080.00016.96
8.0.160.0080.00016.87
8.0.150.0030.00516.88
8.0.140.0070.00016.86
8.0.130.0000.00613.26
8.0.120.0000.00716.84
8.0.110.0040.00416.77
8.0.100.0050.00316.96
8.0.90.0040.00416.77
8.0.80.0120.00316.83
8.0.70.0040.00416.93
8.0.60.0000.00816.90
8.0.50.0080.00016.84
8.0.30.0120.00717.07
8.0.20.0040.01517.40
8.0.10.0040.00416.99
8.0.00.0100.00916.68
7.4.330.0030.00315.08
7.4.320.0030.00316.49
7.4.300.0030.00316.44
7.4.290.0080.00016.55
7.4.280.0040.00416.52
7.4.270.0030.00316.56
7.4.260.0000.00816.43
7.4.250.0040.00416.31
7.4.240.0070.00016.49
7.4.230.0000.00816.42
7.4.220.0120.00616.47
7.4.210.0030.01216.41
7.4.200.0040.00416.49
7.4.160.0030.01316.36
7.4.150.0070.01117.40
7.4.140.0110.00917.86
7.4.130.0120.00616.56
7.4.120.0070.01216.36
7.4.110.0120.00616.34
7.4.100.0030.01616.40
7.4.90.0090.00916.36
7.4.80.0150.00719.39
7.4.70.0030.01416.33
7.4.60.0190.00016.59
7.4.50.0040.00416.15
7.4.40.0060.00916.19
7.4.30.0070.01116.57
7.4.00.0030.01414.84
7.3.330.0000.00713.07
7.3.320.0030.00313.00
7.3.310.0050.00216.07
7.3.300.0070.00016.16
7.3.290.0090.00716.13
7.3.280.0070.01216.17
7.3.270.0090.00917.40
7.3.260.0100.01016.16
7.3.250.0090.01016.24
7.3.240.0110.00816.43
7.3.230.0030.01616.42
7.3.210.0080.01316.38
7.3.200.0110.00616.52
7.3.190.0120.00916.23
7.3.180.0100.01016.36
7.3.170.0110.01116.53
7.3.160.0110.00916.36
7.3.120.0080.01614.46
7.3.110.0070.00714.79
7.3.100.0030.01014.68
7.3.90.0040.00714.77
7.3.80.0080.00614.62
7.3.70.0030.01314.42
7.3.60.0060.00914.56
7.3.50.0110.00414.82
7.3.40.0030.01414.87
7.3.30.0100.00314.52
7.3.20.0130.00016.53
7.3.10.0040.01416.34
7.3.00.0060.00916.53
7.2.330.0040.01516.67
7.2.320.0150.00616.32
7.2.310.0190.00016.55
7.2.300.0090.00816.52
7.2.290.0110.01416.41
7.2.240.0060.01115.04
7.2.230.0040.01114.68
7.2.220.0060.00914.93
7.2.210.0060.00914.71
7.2.200.0150.00315.05
7.2.190.0100.00315.12
7.2.180.0040.01114.71
7.2.170.0100.00614.93
7.2.160.0040.01114.72
7.2.150.0040.01216.83
7.2.140.0040.00716.82
7.2.130.0040.00816.72
7.2.120.0040.01216.47
7.2.110.0130.00016.80
7.2.100.0060.00916.88
7.2.90.0120.00416.71
7.2.80.0070.01016.83
7.2.70.0100.00716.99
7.2.60.0090.00916.86
7.2.50.0130.00016.70
7.2.40.0070.01016.58
7.2.30.0120.00616.75
7.2.20.0110.00316.91
7.2.10.0110.00716.54
7.2.00.0020.01018.00
7.1.330.0060.00915.80
7.1.320.0040.01115.79
7.1.310.0120.00615.73
7.1.300.0030.01015.81
7.1.290.0080.00415.55
7.1.280.0070.00715.73
7.1.270.0090.00615.31
7.1.260.0070.00715.64
7.1.250.0080.00415.39
7.1.200.0060.00615.76
7.1.100.0040.00718.15
7.1.70.0000.00817.07
7.1.60.0070.01720.03
7.1.50.0080.01516.80
7.1.00.0070.07322.33
7.0.200.0000.00716.72
7.0.60.0130.07319.86
7.0.50.0170.07017.87
7.0.40.0100.08319.90
7.0.30.0270.03320.09
7.0.20.0270.08320.21
7.0.10.0000.09320.12
7.0.00.0070.05319.99
5.6.280.0000.07320.90
5.6.210.0130.08320.52
5.6.200.0130.07318.21
5.6.190.0070.04020.45
5.6.180.0430.07720.64
5.6.170.0230.04020.51
5.6.160.0100.06020.38
5.6.150.0000.08318.12
5.6.140.0000.09018.17
5.6.130.0000.04318.14
5.6.120.0200.06720.98
5.6.110.0030.09320.98
5.6.100.0100.08321.10
5.6.90.0170.08721.09
5.6.80.0170.06320.50
5.5.350.4030.04720.37
5.5.340.0030.07317.96
5.5.330.0070.04020.38
5.5.320.0330.07720.34
5.5.310.0330.07020.30
5.5.300.0030.07318.01
5.5.290.0100.07717.94
5.5.280.0130.04720.76
5.5.270.0000.05020.93
5.5.260.0070.06720.85
5.5.250.0100.04020.46
5.5.240.0070.04720.25
5.4.450.0370.06019.30
5.4.440.0430.05019.25
5.4.430.0470.04719.29
5.4.420.0430.04719.07
5.4.410.0400.06319.16
5.4.400.0470.04719.13
5.4.390.0470.07718.99
5.4.380.0430.04719.07
5.4.370.0400.05018.89
5.4.360.0400.05019.21
5.4.350.0430.04719.13
5.4.340.0330.05718.97
5.4.320.0370.05718.88
5.4.310.0430.05319.13
5.4.300.0570.04719.09
5.4.290.0370.05718.92
5.4.280.0430.04718.77
5.4.270.0330.05719.18
5.4.260.0470.05319.06
5.4.250.0470.05319.15
5.4.240.0500.05019.13
5.4.230.0400.05719.21
5.4.220.0400.05719.06
5.4.210.0600.04019.07
5.4.200.0500.05019.12
5.4.190.0600.04019.20
5.4.180.0570.04319.09
5.4.170.0500.05019.07
5.4.160.0530.05019.14
5.4.150.0500.05019.18
5.4.140.0430.04716.49
5.4.130.0400.05316.50
5.4.120.0500.05316.45
5.4.110.0600.04316.07
5.4.100.0500.04716.47
5.4.90.0400.05316.50
5.4.80.0470.05016.50
5.4.70.0300.04716.44
5.4.60.0270.07316.32
5.4.50.0230.04016.01
5.4.40.0300.06016.47
5.4.30.0000.05716.17
5.4.20.0000.05016.47
5.4.10.0200.03716.37

preferences:
56.44 ms | 401 KiB | 5 Q