3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { } class 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)
8.3.60.0130.01318.20
8.3.50.0150.00721.02
8.3.40.0100.01018.55
8.3.30.0120.00318.43
8.3.20.0040.00420.34
8.3.10.0050.00323.52
8.3.00.0040.00423.53
8.2.180.0060.01616.75
8.2.170.0100.01018.96
8.2.160.0070.01122.96
8.2.150.0000.00725.66
8.2.140.0090.00924.66
8.2.130.0040.00419.77
8.2.120.0050.00226.35
8.2.110.0070.00321.04
8.2.100.0120.00017.63
8.2.90.0040.00418.83
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0070.00318.07
8.2.40.0050.00322.33
8.2.30.0000.00819.28
8.2.20.0000.00917.50
8.2.10.0070.00018.05
8.2.00.0000.00717.99
8.1.280.0070.01125.92
8.1.270.0000.01123.97
8.1.260.0040.00428.09
8.1.250.0060.00328.09
8.1.240.0030.00623.84
8.1.230.0060.00618.95
8.1.220.0030.00617.74
8.1.210.0090.00018.77
8.1.200.0060.00317.23
8.1.190.0050.00516.99
8.1.180.0030.00518.10
8.1.170.0000.00818.51
8.1.160.0040.00420.69
8.1.150.0000.00718.86
8.1.140.0030.00519.51
8.1.130.0030.00317.56
8.1.120.0070.00017.41
8.1.110.0040.00417.29
8.1.100.0040.00417.41
8.1.90.0000.00717.43
8.1.80.0040.00417.36
8.1.70.0040.00417.37
8.1.60.0080.00017.55
8.1.50.0000.00817.51
8.1.40.0000.00817.51
8.1.30.0040.00417.61
8.1.20.0040.00417.54
8.1.10.0020.00517.39
8.1.00.0070.00417.30
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.24
8.0.270.0000.00717.10
8.0.260.0040.00417.11
8.0.250.0070.00016.94
8.0.240.0040.00416.89
8.0.230.0040.00416.95
8.0.220.0000.00716.77
8.0.210.0050.00316.80
8.0.200.0000.00816.84
8.0.190.0000.00816.99
8.0.180.0040.00416.92
8.0.170.0040.00416.95
8.0.160.0000.00816.96
8.0.150.0000.00716.83
8.0.140.0040.00416.79
8.0.130.0030.00313.27
8.0.120.0050.00316.86
8.0.110.0050.00216.80
8.0.100.0090.00016.95
8.0.90.0000.00716.88
8.0.80.0060.01516.92
8.0.70.0070.00016.95
8.0.60.0030.00416.77
8.0.50.0040.00416.75
8.0.30.0080.01117.05
8.0.20.0090.01217.40
8.0.10.0040.00416.99
8.0.00.0110.00816.73
7.4.330.0000.00516.71
7.4.320.0030.00316.30
7.4.300.0030.00316.39
7.4.290.0000.00716.51
7.4.280.0030.00616.54
7.4.270.0040.00416.52
7.4.260.0070.00016.57
7.4.250.0000.00716.45
7.4.240.0000.00816.41
7.4.230.0030.00316.58
7.4.220.0090.00916.51
7.4.210.0080.00816.38
7.4.200.0000.00716.62
7.4.160.0090.00916.70
7.4.150.0090.00917.40
7.4.140.0130.00617.86
7.4.130.0130.00716.42
7.4.120.0070.01016.48
7.4.110.0100.00616.32
7.4.100.0090.01316.40
7.4.90.0110.01116.46
7.4.80.0090.00919.39
7.4.70.0090.00616.44
7.4.60.0140.00316.42
7.4.50.0040.00816.20
7.4.40.0080.00816.40
7.4.30.0070.01016.43
7.4.00.0060.00814.99
7.3.330.0020.00213.16
7.3.320.0000.00613.16
7.3.310.0020.00516.18
7.3.300.0030.00316.12
7.3.290.0030.00316.22
7.3.280.0110.00816.18
7.3.270.0100.01017.40
7.3.260.0160.00316.58
7.3.250.0130.00916.31
7.3.240.0110.00816.38
7.3.230.0040.01316.39
7.3.210.0110.00516.25
7.3.200.0090.01319.39
7.3.190.0030.01616.38
7.3.180.0090.00616.56
7.3.170.0090.00616.42
7.3.160.0100.00716.38
7.3.120.0150.00014.81
7.3.110.0000.01714.71
7.3.100.0070.01114.72
7.3.90.0030.01014.90
7.3.80.0080.00814.39
7.3.70.0070.01114.87
7.3.60.0040.00814.76
7.3.50.0060.00314.84
7.3.40.0040.01114.45
7.3.30.0080.00414.72
7.3.20.0000.01216.58
7.3.10.0070.00416.31
7.3.00.0120.00616.27
7.2.330.0030.01516.53
7.2.320.0080.00816.55
7.2.310.0100.00616.45
7.2.300.0060.01216.27
7.2.290.0100.01016.66
7.2.250.0150.00314.73
7.2.240.0070.01115.01
7.2.230.0030.01015.02
7.2.220.0090.00614.78
7.2.210.0080.00814.96
7.2.200.0080.00814.94
7.2.190.0080.00814.70
7.2.180.0060.01014.91
7.2.170.0070.00714.65
7.2.160.0030.00614.79
7.2.150.0070.01416.63
7.2.140.0000.01116.80
7.2.130.0100.01016.52
7.2.120.0080.00516.75
7.2.110.0040.01116.70
7.2.100.0000.01516.87
7.2.90.0040.00416.51
7.2.80.0030.00916.55
7.2.70.0000.01416.55
7.2.60.0050.01116.52
7.2.50.0080.00416.53
7.2.40.0030.01016.80
7.2.30.0090.00316.78
7.2.20.0090.00616.56
7.2.10.0100.00316.63
7.2.00.0080.00618.04
7.1.330.0070.01015.82
7.1.320.0030.00915.71
7.1.310.0000.01115.58
7.1.300.0090.00615.63
7.1.290.0040.01115.80
7.1.280.0060.00615.93
7.1.270.0080.00615.62
7.1.260.0070.01315.48
7.1.250.0030.01015.80
7.1.240.0000.01615.76
7.1.230.0030.01315.74
7.1.220.0090.00615.62
7.1.210.0070.00715.82
7.1.200.0060.00715.66
7.1.190.0090.00615.82
7.1.180.0040.00815.43
7.1.170.0040.01115.42
7.1.160.0100.00715.60
7.1.150.0060.00615.86
7.1.140.0070.00315.82
7.1.130.0070.00715.62
7.1.120.0040.00415.63
7.1.110.0090.00315.62
7.1.100.0100.00316.80
7.1.90.0070.00415.94
7.1.80.0060.00615.71
7.1.70.0070.00516.28
7.1.60.0070.01217.44
7.1.50.0070.00516.32
7.1.40.0060.00615.66
7.1.30.0000.01315.80
7.1.20.0070.00715.63
7.1.10.0120.00315.71
7.1.00.0030.04519.03
7.0.330.0120.00015.25
7.0.320.0110.00415.34
7.0.310.0030.01015.23
7.0.300.0000.01615.30
7.0.290.0100.00015.30
7.0.280.0070.00315.27
7.0.270.0080.00815.43
7.0.260.0040.00415.31
7.0.250.0060.00915.37
7.0.240.0040.00715.12
7.0.230.0030.00715.46
7.0.220.0000.01215.27
7.0.210.0030.00615.42
7.0.200.0020.01016.04
7.0.190.0060.00315.39
7.0.180.0000.01515.45
7.0.170.0000.01215.52
7.0.160.0030.00915.35
7.0.150.0120.00315.24
7.0.140.0080.00815.58
7.0.130.0030.01015.04
7.0.120.0100.00315.28
7.0.110.0040.01115.10
7.0.100.0060.02317.52
7.0.90.0040.02917.68
7.0.80.0070.02517.57
7.0.70.0100.01717.71
7.0.60.0020.02417.58
7.0.50.0060.02517.81
7.0.40.0030.02316.71
7.0.30.0030.02116.71
7.0.20.0020.02916.88
7.0.10.0020.02416.82
7.0.00.0030.02216.72
5.6.400.0130.00614.43
5.6.390.0080.00414.40
5.6.380.0060.01014.50
5.6.370.0000.01614.39
5.6.360.0040.00814.18
5.6.350.0120.00014.03
5.6.340.0070.00714.54
5.6.330.0040.01214.45
5.6.320.0000.00914.20
5.6.310.0030.00914.27
5.6.300.0000.00914.18
5.6.290.0040.01114.12
5.6.280.0070.02117.68
5.6.270.0070.00714.43
5.6.260.0030.00713.87
5.6.250.0040.02017.40
5.6.240.0060.02117.34
5.6.230.0030.02717.31
5.6.220.0020.02417.59
5.6.210.0030.02717.37
5.6.200.0050.02217.75
5.6.190.0070.02017.76
5.6.180.0050.02517.60
5.6.170.0100.01917.56
5.6.160.0050.02717.59
5.6.150.0030.02417.57
5.6.140.0060.01917.55
5.6.130.0030.02117.72
5.6.120.0050.02117.57
5.6.110.0020.02617.55
5.6.100.0020.04717.61
5.6.90.0020.04817.64
5.6.80.0090.03517.31
5.6.70.0070.04317.29
5.6.60.0050.04317.30
5.6.50.0100.03817.13
5.6.40.0110.02817.22
5.6.30.0070.04517.25
5.6.20.0020.04117.12
5.6.10.0020.04817.15
5.6.00.0020.02817.28
5.5.380.0020.02517.45
5.5.370.0110.01617.40
5.5.360.0030.02517.20
5.5.350.0030.02417.12
5.5.340.0020.02517.36
5.5.330.0130.01517.39
5.5.320.0030.02817.43
5.5.310.0050.01817.41
5.5.300.0020.02317.55
5.5.290.0030.02017.52
5.5.280.0030.02617.48
5.5.270.0120.02717.57
5.5.260.0030.04917.53
5.5.250.0030.03617.32
5.5.240.0080.04217.15
5.5.230.0030.04017.02
5.5.220.0070.02517.00
5.5.210.0050.03817.09
5.5.200.0060.04317.19
5.5.190.0050.04317.14
5.5.180.0100.03817.26
5.5.170.0030.00614.17
5.5.160.0090.04217.09
5.5.150.0020.04317.22
5.5.140.0110.02617.09
5.5.130.0050.02116.88
5.5.120.0090.04317.11
5.5.110.0050.03017.17
5.5.100.0100.03917.02
5.5.90.0030.03517.06
5.5.80.0030.03917.06
5.5.70.0020.04417.08
5.5.60.0090.04517.03
5.5.50.0070.04317.04
5.5.40.0100.04217.10
5.5.30.0080.04017.14
5.5.20.0100.02817.13
5.5.10.0100.03617.02
5.5.00.0030.05217.09

preferences:
49.13 ms | 401 KiB | 5 Q