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";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)
8.3.60.0140.00716.88
8.3.50.0110.00721.25
8.3.40.0110.00418.49
8.3.30.0040.01118.79
8.3.20.0050.00220.39
8.3.10.0000.00923.74
8.3.00.0080.00019.53
8.2.180.0030.01717.00
8.2.170.0070.01422.96
8.2.160.0070.00720.47
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0070.00326.16
8.2.120.0030.00617.63
8.2.110.0030.00721.02
8.2.100.0080.00417.72
8.2.90.0000.00718.96
8.2.80.0050.00317.97
8.2.70.0030.00617.75
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0060.00619.25
8.2.30.0040.00419.71
8.2.20.0000.00817.68
8.2.10.0080.00017.92
8.2.00.0060.00318.05
8.1.280.0130.00725.92
8.1.270.0030.01020.23
8.1.260.0000.00726.35
8.1.250.0090.00028.09
8.1.240.0060.00322.19
8.1.230.0080.00420.92
8.1.220.0050.00317.78
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.35
8.1.180.0060.00318.10
8.1.170.0030.00618.49
8.1.160.0040.00421.83
8.1.150.0050.00318.83
8.1.140.0050.00317.27
8.1.130.0040.00417.64
8.1.120.0000.00817.41
8.1.110.0000.00717.36
8.1.100.0000.00817.40
8.1.90.0040.00417.36
8.1.80.0000.00717.42
8.1.70.0070.00017.41
8.1.60.0030.00617.54
8.1.50.0030.00517.50
8.1.40.0000.00817.44
8.1.30.0030.00517.59
8.1.20.0090.00017.64
8.1.10.0040.00417.52
8.1.00.0040.00417.48
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0070.00018.38
8.0.270.0000.00716.89
8.0.260.0030.00317.31
8.0.250.0070.00016.88
8.0.240.0040.00416.86
8.0.230.0070.00016.96
8.0.220.0070.00016.95
8.0.210.0040.00416.91
8.0.200.0030.00316.99
8.0.190.0080.00016.98
8.0.180.0000.00816.87
8.0.170.0080.00016.82
8.0.160.0000.00716.80
8.0.150.0070.00016.71
8.0.140.0040.00416.89
8.0.130.0000.00613.37
8.0.120.0000.00716.88
8.0.110.0080.00016.81
8.0.100.0000.00716.72
8.0.90.0050.00217.03
8.0.80.0100.01016.85
8.0.70.0000.00716.74
8.0.60.0000.00716.89
8.0.50.0040.00416.96
8.0.30.0080.01116.93
8.0.20.0170.00217.40
8.0.10.0000.00717.02
8.0.00.0100.00916.70
7.4.330.0020.00215.08
7.4.320.0000.00616.54
7.4.300.0060.00016.52
7.4.290.0060.00316.59
7.4.280.0080.00016.36
7.4.270.0050.00216.46
7.4.260.0000.00716.39
7.4.250.0080.00016.43
7.4.240.0040.00416.52
7.4.230.0000.00716.55
7.4.220.0100.01016.39
7.4.210.0110.00416.49
7.4.200.0040.00416.53
7.4.160.0110.00616.54
7.4.150.0150.00317.40
7.4.140.0140.00817.86
7.4.130.0060.01216.35
7.4.120.0090.00916.43
7.4.110.0070.01316.38
7.4.100.0060.01216.29
7.4.90.0090.00916.45
7.4.80.0080.00919.39
7.4.70.0090.00916.34
7.4.60.0150.00416.49
7.4.50.0080.00016.57
7.4.40.0100.00716.34
7.4.30.0110.00816.29
7.4.00.0040.01115.01
7.3.330.0000.00512.91
7.3.320.0000.00613.04
7.3.310.0000.00715.98
7.3.300.0000.00716.20
7.3.290.0070.00916.17
7.3.280.0080.01116.16
7.3.270.0060.01317.40
7.3.260.0130.00716.40
7.3.250.0170.00316.18
7.3.240.0070.01016.26
7.3.230.0160.00316.39
7.3.210.0090.01016.24
7.3.200.0120.00916.26
7.3.190.0060.00916.19
7.3.180.0130.00316.16
7.3.170.0100.00716.28
7.3.160.0110.00816.22
7.3.10.0090.00616.23
7.3.00.0090.00616.36
7.2.330.0110.00716.57
7.2.320.0150.01116.26
7.2.310.0170.00316.42
7.2.300.0030.01316.55
7.2.290.0070.01416.39
7.2.130.0040.01216.75
7.2.120.0040.01116.83
7.2.110.0060.00916.88
7.2.100.0060.00916.89
7.2.90.0060.00916.77
7.2.80.0000.01216.84
7.2.70.0000.01716.92
7.2.60.0070.00716.86
7.2.50.0040.01216.45
7.2.40.0030.00716.81
7.2.30.0060.00916.55
7.2.20.0030.00716.56
7.2.10.0060.01016.67
7.2.00.0070.00718.00
7.1.250.0090.00315.42
7.1.200.0030.00615.46
7.1.100.0000.01118.31
7.1.70.0070.00316.89
7.1.60.0130.01020.03
7.1.50.0130.00316.85
7.1.00.0070.07022.54
7.0.200.0070.00016.73
7.0.60.0030.08319.90
7.0.50.0070.05017.90
7.0.40.0070.05020.30
7.0.30.0370.07320.30
7.0.20.0230.04020.00
7.0.10.0030.06020.16
7.0.00.0100.06320.08
5.6.280.0030.03020.92
5.6.210.0130.08020.64
5.6.200.0130.04018.18
5.6.190.0070.06320.32
5.6.180.0030.04320.77
5.6.170.0300.07720.51
5.6.160.0070.08020.38
5.6.150.0100.04718.18
5.6.140.0030.08018.18
5.6.130.0070.07318.08
5.6.120.0000.07720.98
5.6.110.0100.08020.98
5.6.100.0070.06721.01
5.6.90.0200.08021.07
5.6.80.0130.07720.37
5.5.350.0770.04020.42
5.5.340.0100.04317.98
5.5.330.0170.07320.40
5.5.320.0300.06320.24
5.5.310.0200.07320.29
5.5.300.0030.06017.92
5.5.290.0000.04317.91
5.5.280.0100.08020.75
5.5.270.0070.07320.79
5.5.260.0100.08320.63
5.5.250.0000.04720.57
5.5.240.0070.05020.27
5.4.450.0130.06019.26
5.4.440.0130.06019.51
5.4.430.0170.05719.50
5.4.420.0170.05319.20
5.4.410.0170.05019.30
5.4.400.0230.04318.78
5.4.390.0170.05019.18
5.4.380.0200.04719.05
5.4.370.0230.04719.13
5.4.360.0100.06019.11
5.4.350.0170.05018.75
5.4.340.0230.04719.18
5.4.320.0130.05718.77
5.4.310.0100.05318.93
5.4.300.0200.04319.09
5.4.290.0170.05319.20
5.4.280.0200.04719.05
5.4.270.0170.05319.06
5.4.260.0200.04719.10
5.4.250.0200.04719.20
5.4.240.0100.05719.20
5.4.230.0230.04319.21
5.4.220.0130.05719.06
5.4.210.0130.05318.92
5.4.200.0070.06018.89
5.4.190.0130.05319.17
5.4.180.0070.05719.05
5.4.170.0130.05318.96
5.4.160.0170.05019.14
5.4.150.0070.06019.09
5.4.140.0170.05016.51
5.4.130.0170.04716.34
5.4.120.0130.05016.30
5.4.110.0130.05316.27
5.4.100.0130.05016.49
5.4.90.0200.05016.48
5.4.80.0100.05316.43
5.4.70.0200.05716.29
5.4.60.0200.07316.45
5.4.50.0270.03716.40
5.4.40.0270.07016.28
5.4.30.0030.06716.45
5.4.20.0000.05016.46
5.4.10.0100.04316.19

preferences:
52.15 ms | 401 KiB | 5 Q