3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { } class b { } var_dump(serialize(new b)); $as = 'O:1:"a":0:{}'; $bs = 'O:1:"b":0:{}'; var_dump(unserialize($as, array('allowed_asss' => 'a') )); var_dump(unserialize($bs, array('allowed_asss' => 'a') ));

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)
8.3.60.0180.00318.06
8.3.50.0050.01421.21
8.3.40.0120.00318.75
8.3.30.0060.00918.54
8.3.20.0080.00020.33
8.3.10.0080.00021.78
8.3.00.0100.00023.48
8.2.180.0150.00316.50
8.2.170.0070.00722.96
8.2.160.0100.00320.08
8.2.150.0070.00025.66
8.2.140.0100.00324.66
8.2.130.0040.00419.70
8.2.120.0000.00826.35
8.2.110.0030.00621.09
8.2.100.0060.00617.73
8.2.90.0050.00319.14
8.2.80.0000.00817.97
8.2.70.0030.00717.50
8.2.60.0040.00417.93
8.2.50.0090.00018.07
8.2.40.0040.00422.18
8.2.30.0000.00719.37
8.2.20.0040.00417.72
8.2.10.0020.00518.09
8.2.00.0070.00017.86
8.1.280.0100.01025.92
8.1.270.0060.00323.84
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0060.00324.02
8.1.230.0040.00718.83
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0050.00517.23
8.1.190.0030.00617.10
8.1.180.0070.00018.10
8.1.170.0080.00018.51
8.1.160.0090.00020.63
8.1.150.0000.00718.82
8.1.140.0030.00519.57
8.1.130.0040.00417.62
8.1.120.0070.00017.35
8.1.110.0000.00817.39
8.1.100.0040.00417.40
8.1.90.0040.00417.31
8.1.80.0000.00717.28
8.1.70.0040.00417.27
8.1.60.0060.00317.58
8.1.50.0060.00317.45
8.1.40.0080.00017.38
8.1.30.0060.00317.59
8.1.20.0030.00517.59
8.1.10.0030.00617.45
8.1.00.0060.00617.38
8.0.300.0000.00718.77
8.0.290.0080.00016.72
8.0.280.0050.00318.39
8.0.270.0030.00317.23
8.0.260.0000.00617.18
8.0.250.0000.00716.82
8.0.240.0000.00716.78
8.0.230.0030.00516.91
8.0.220.0050.00316.95
8.0.210.0040.00416.81
8.0.200.0070.00016.87
8.0.190.0080.00016.93
8.0.180.0040.00416.91
8.0.170.0060.00316.81
8.0.160.0040.00416.84
8.0.150.0070.00016.73
8.0.140.0030.00316.83
8.0.130.0050.00013.30
8.0.120.0000.00816.82
8.0.110.0000.00716.84
8.0.100.0080.00016.99
8.0.90.0000.00716.68
8.0.80.0120.00916.88
8.0.70.0000.00716.90
8.0.60.0000.00816.87
8.0.50.0080.00016.86
8.0.30.0070.01217.03
8.0.20.0130.00817.40
8.0.10.0000.00717.01
8.0.00.0060.01216.75
7.4.330.0000.00516.73
7.4.320.0030.00316.48
7.4.300.0090.00016.57
7.4.290.0000.00716.50
7.4.280.0060.00316.45
7.4.270.0070.00016.45
7.4.260.0060.00316.41
7.4.250.0000.00816.41
7.4.240.0000.00716.43
7.4.230.0070.00016.45
7.4.220.0030.01516.36
7.4.210.0080.01116.52
7.4.200.0030.00316.61
7.4.160.0100.00616.31
7.4.150.0180.00017.40
7.4.140.0120.00717.86
7.4.130.0100.00716.45
7.4.120.0090.00816.38
7.4.110.0030.01416.50
7.4.100.0070.01016.48
7.4.90.0120.00616.35
7.4.80.0160.00319.39
7.4.70.0050.01416.36
7.4.60.0060.00916.37
7.4.50.0050.00516.34
7.4.40.0110.00616.48
7.4.30.0080.01116.57
7.4.00.0040.00714.75
7.3.330.0000.00512.94
7.3.320.0060.00013.14
7.3.310.0060.00316.13
7.3.300.0030.00316.22
7.3.290.0030.00316.05
7.3.280.0090.00916.17
7.3.270.0030.01417.40
7.3.260.0130.00316.38
7.3.250.0120.00816.33
7.3.240.0050.01216.35
7.3.230.0160.00616.45
7.3.210.0080.01516.27
7.3.200.0070.01019.39
7.3.190.0130.01116.22
7.3.180.0130.00316.21
7.3.170.0110.00616.37
7.3.160.0080.00816.51
7.3.120.0110.00514.67
7.3.110.0050.01014.80
7.3.100.0090.00814.58
7.3.90.0020.01314.71
7.3.80.0030.00814.68
7.3.70.0070.00514.68
7.3.60.0050.00814.79
7.3.50.0070.00514.73
7.3.40.0040.00914.61
7.3.30.0030.01214.65
7.3.20.0040.01116.54
7.3.10.0120.00316.59
7.3.00.0070.00616.58
7.2.330.0110.00716.66
7.2.320.0120.00316.40
7.2.310.0100.00716.51
7.2.300.0030.01616.58
7.2.290.0130.01016.36
7.2.250.0030.01415.05
7.2.240.0020.01414.80
7.2.230.0070.00614.83
7.2.220.0070.00914.89
7.2.210.0080.00614.87
7.2.200.0100.00514.79
7.2.190.0030.01114.96
7.2.180.0100.00514.81
7.2.170.0110.00214.90
7.2.160.0040.01114.72
7.2.150.0060.00816.74
7.2.140.0020.01016.69
7.2.130.0070.00916.80
7.2.120.0070.00716.78
7.2.110.0120.00316.65
7.2.100.0030.01016.66
7.2.90.0050.01016.51
7.2.80.0070.00716.70
7.2.70.0080.00516.80
7.2.60.0030.01016.72
7.2.50.0070.00416.79
7.2.40.0070.01016.60
7.2.30.0080.00816.82
7.2.20.0090.00716.79
7.2.10.0030.01016.57
7.2.00.0040.01117.48
7.1.330.0050.01015.78
7.1.320.0060.00515.80
7.1.310.0010.01015.48
7.1.300.0060.00715.61
7.1.290.0040.00615.45
7.1.280.0050.00815.67
7.1.270.0070.00515.63
7.1.260.0050.00515.75
7.1.250.0030.01015.80
7.1.240.0060.00615.48
7.1.230.0090.00315.71
7.1.220.0000.01215.71
7.1.210.0060.00315.80
7.1.200.0060.00615.63
7.1.190.0070.00715.72
7.1.180.0130.00315.54
7.1.170.0060.00315.41
7.1.160.0070.01315.80
7.1.150.0070.00415.34
7.1.140.0090.00615.89
7.1.130.0030.01015.66
7.1.120.0060.00315.79
7.1.110.0000.01515.92
7.1.100.0080.00517.07
7.1.90.0090.00615.68
7.1.80.0090.00315.58
7.1.70.0050.00516.46
7.1.60.0080.01117.54
7.1.50.0050.01216.33
7.1.40.0040.01115.50
7.1.30.0070.00715.82
7.1.20.0030.01315.52
7.1.10.0040.00715.85
7.1.00.0040.04419.04
7.0.330.0070.00715.22
7.0.320.0060.00315.40
7.0.310.0030.00715.13
7.0.300.0060.00315.28
7.0.290.0060.00315.45
7.0.280.0040.00715.46
7.0.270.0070.00715.54
7.0.260.0000.01415.34
7.0.250.0030.01015.62
7.0.240.0090.00615.23
7.0.230.0090.00615.58
7.0.220.0090.00615.43
7.0.210.0030.00615.36
7.0.200.0020.00815.94
7.0.190.0040.00715.25
7.0.180.0040.00715.27
7.0.170.0100.00315.11
7.0.160.0040.01115.25
7.0.150.0000.00915.27
7.0.140.0090.00315.38
7.0.130.0030.00515.48
7.0.120.0100.00015.29
7.0.110.0060.00915.31
7.0.100.0100.00715.18
7.0.90.0110.00415.27
7.0.80.0110.00415.29
7.0.70.0040.00915.23
7.0.60.0090.04418.45
7.0.50.0050.02516.63
7.0.40.0100.04416.92
7.0.30.0130.04316.81
7.0.20.0180.04116.90
7.0.10.0130.04016.73
7.0.00.0070.04716.73
5.6.400.0070.00314.23
5.6.390.0090.00614.21
5.6.380.0070.00714.10
5.6.370.0040.00714.62
5.6.360.0100.00614.60
5.6.350.0120.00313.85
5.6.340.0040.01114.39
5.6.330.0040.00914.39
5.6.320.0070.00714.46
5.6.310.0120.00314.00
5.6.300.0040.01114.28
5.6.290.0000.01414.43
5.6.280.0030.00914.21
5.6.270.0090.00614.05
5.6.260.0030.01014.19
5.6.250.0070.01014.28
5.6.240.0090.00614.52
5.6.230.0030.01214.36
5.6.220.0070.01014.29
5.6.210.0100.04217.57
5.6.200.0140.03616.37
5.6.190.0050.03117.43
5.6.180.0180.02317.49
5.6.170.0120.02517.29
5.6.160.0070.04017.28
5.6.150.0030.02716.29
5.6.140.0100.04216.27
5.6.130.0130.03516.15
5.6.120.0030.02517.63
5.6.110.0120.04417.69
5.6.100.0100.03517.61
5.6.90.0070.03017.56
5.6.80.0080.04317.27
5.6.70.0030.01214.39
5.6.60.0030.01013.94
5.6.50.0070.00314.31
5.6.40.0040.00714.49
5.6.30.0030.01214.32
5.6.20.0000.01114.17
5.6.10.0030.01014.14
5.6.00.0080.00514.37
5.5.380.0070.01014.11
5.5.370.0100.00714.30
5.5.360.0030.00914.21
5.5.350.1880.02717.41
5.5.340.0130.01816.21
5.5.330.0030.04917.37
5.5.320.0350.03817.20
5.5.310.0120.02517.18
5.5.300.0030.05016.26
5.5.290.0030.03016.14
5.5.280.0020.04417.44
5.5.270.0050.04517.54
5.5.260.0100.04117.52
5.5.250.0050.04317.46
5.5.240.0120.02817.16
5.5.230.0090.00614.23
5.5.220.0030.01013.91
5.5.210.0040.00814.27
5.5.200.0090.00613.92
5.5.190.0100.00313.95
5.5.180.0090.00314.30
5.5.170.0030.00614.18
5.5.160.0080.00414.14
5.5.150.0130.00314.16
5.5.140.0030.01014.07
5.5.130.0090.00613.96
5.5.120.0120.00314.17
5.5.110.0060.00314.10
5.5.100.0070.00314.30
5.5.90.0050.00514.32
5.5.80.0080.00513.99
5.5.70.0030.01014.21
5.5.60.0060.00614.05
5.5.50.0070.00714.11
5.5.40.0070.00313.71
5.5.30.0060.00913.88
5.5.20.0070.00714.06
5.5.10.0090.00314.13
5.5.00.0080.00814.29

preferences:
46.26 ms | 404 KiB | 6 Q