3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ 'test' => 1 ]; $b = serialize($a); var_dump(unserialize($b)); echo"<br />"; echo"<br />"; var_dump("---------------"); echo"<br />"; echo"<br />"; var_dump(unserialize($b, ['allowed_classes'=>['stdClass']])); echo"<br />"; echo"<br />"; var_dump("---------------"); var_dump(count(unserialize($b, ['allowed_classes'=>false]))); echo"<br />"; echo"<br />"; var_dump("---------------"); var_dump(unserialize($b, false)); echo"<br />"; echo"<br />"; var_dump("---------------"); var_dump(unserialize($b, ['allowed_classes'=>true])); echo"<br />"; echo"<br />"; var_dump("---------------"); var_dump(unserialize($b, [false]));

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)
8.3.60.0070.01118.43
8.3.50.0090.01218.19
8.3.40.0110.00418.84
8.3.30.0100.00618.85
8.3.20.0080.00020.20
8.3.10.0050.00320.79
8.3.00.0000.00820.78
8.2.180.0110.01118.66
8.2.170.0060.00922.96
8.2.160.0030.01022.12
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0140.00419.69
8.2.120.0080.00026.35
8.2.110.0100.00022.04
8.2.100.0110.00017.97
8.2.90.0000.00819.13
8.2.80.0040.00417.97
8.2.70.0000.00917.75
8.2.60.0050.00318.03
8.2.50.0030.00518.10
8.2.40.0030.00522.20
8.2.30.0040.00419.26
8.2.20.0070.00017.89
8.2.10.0000.00818.24
8.2.00.0070.00018.20
8.1.280.0120.00925.92
8.1.270.0040.00422.11
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0040.00420.79
8.1.230.0070.00419.15
8.1.220.0030.00517.76
8.1.210.0000.00818.77
8.1.200.0060.00317.25
8.1.190.0030.00617.35
8.1.180.0050.00318.10
8.1.170.0040.00418.71
8.1.160.0030.00519.05
8.1.150.0040.00418.90
8.1.140.0000.00719.64
8.1.130.0000.00720.67
8.1.120.0070.00017.39
8.1.110.0040.00417.50
8.1.100.0030.00617.46
8.1.90.0060.00317.37
8.1.80.0000.00817.50
8.1.70.0030.00317.45
8.1.60.0050.00317.56
8.1.50.0000.00717.57
8.1.40.0040.00417.49
8.1.30.0040.00417.67
8.1.20.0030.00617.57
8.1.10.0040.00417.68
8.1.00.0000.00817.56
8.0.300.0070.00018.77
8.0.290.0050.00316.75
8.0.280.0050.00318.34
8.0.270.0070.00017.16
8.0.260.0040.00420.63
8.0.250.0000.00716.94
8.0.240.0040.00416.86
8.0.230.0060.00316.86
8.0.220.0050.00216.81
8.0.210.0050.00216.80
8.0.200.0030.00317.02
8.0.190.0040.00417.02
8.0.180.0050.00216.98
8.0.170.0000.00716.95
8.0.160.0070.00016.96
8.0.150.0000.00716.99
8.0.140.0070.00016.95
8.0.130.0000.00613.28
8.0.120.0040.00416.81
8.0.110.0080.00016.87
8.0.100.0050.00316.93
8.0.90.0040.00416.77
8.0.80.0090.00617.01
8.0.70.0040.00416.75
8.0.60.0000.00716.77
8.0.50.0040.00417.03
8.0.30.0110.00517.17
8.0.20.0090.01117.40
8.0.10.0070.00016.98
8.0.00.0090.00917.02
7.4.330.0030.00315.55
7.4.320.0000.00716.53
7.4.300.0000.00716.51
7.4.290.0030.00616.62
7.4.280.0030.00516.62
7.4.270.0000.00716.67
7.4.260.0040.00416.57
7.4.250.0040.00416.57
7.4.240.0070.00016.55
7.4.230.0040.00416.45
7.4.220.0060.01416.52
7.4.210.0050.01016.52
7.4.200.0000.00716.63
7.4.160.0070.01116.55
7.4.150.0070.01017.40
7.4.140.0120.00717.86
7.4.130.0140.00316.59
7.4.120.0150.00816.62
7.4.110.0160.00616.51
7.4.100.0120.00616.58
7.4.90.0060.01116.42
7.4.80.0090.01219.39
7.4.70.0100.01316.66
7.4.60.0180.00616.53
7.4.50.0110.00616.38
7.4.40.0160.00316.66
7.4.30.0080.00816.67
7.4.00.0100.00415.07
7.3.330.0020.00213.19
7.3.320.0050.00313.04
7.3.310.0000.00716.17
7.3.300.0000.00716.07
7.3.290.0000.00816.29
7.3.280.0080.00816.29
7.3.270.0060.01217.40
7.3.260.0160.01716.45
7.3.250.0130.00416.52
7.3.240.0090.00916.51
7.3.230.0140.00416.69
7.3.210.0180.00716.43
7.3.200.0070.01016.31
7.3.190.0030.01416.58
7.3.180.0070.01016.39
7.3.170.0130.01016.18
7.3.160.0120.00316.46
7.3.120.0070.01014.77
7.3.110.0070.01014.68
7.3.100.0070.00714.97
7.3.90.0040.00914.85
7.3.80.0100.00614.80
7.3.70.0080.00514.84
7.3.60.0040.00614.83
7.3.50.0050.00814.92
7.3.40.0040.00914.73
7.3.30.0040.00914.82
7.3.20.0020.01216.57
7.3.10.0070.00716.59
7.3.00.0050.00816.47
7.2.330.0070.01016.66
7.2.320.0160.00316.66
7.2.310.0070.01316.77
7.2.300.0070.01016.68
7.2.290.0130.00416.74
7.2.250.0090.01115.08
7.2.240.0110.00915.06
7.2.230.0080.00815.00
7.2.220.0030.01114.98
7.2.210.0070.00914.85
7.2.200.0060.00915.04
7.2.190.0040.00915.04
7.2.180.0110.00414.87
7.2.170.0050.00814.96
7.2.130.0050.00316.82
7.2.120.0080.00416.38
7.2.110.0040.01116.59
7.2.100.0030.00916.34
7.2.90.0030.01016.84
7.2.80.0080.00816.58
7.2.70.0100.00716.85
7.2.60.0090.00516.86
7.2.50.0160.00416.66
7.2.40.0070.01116.77
7.2.30.0110.00416.52
7.2.20.0100.00316.41
7.2.10.0030.01016.72
7.2.00.0070.00716.56
7.1.330.0060.00915.84
7.1.320.0080.00415.62
7.1.310.0060.00915.78
7.1.300.0070.00815.57
7.1.290.0040.01015.75
7.1.280.0050.00715.64
7.1.270.0020.01215.73
7.1.260.0070.00715.78
7.1.250.0060.00615.39
7.1.200.0030.00715.71
7.1.70.0110.00616.96
7.1.60.0300.01034.73
7.1.50.0280.01634.66
7.1.40.0180.01534.32
7.1.30.0270.01234.54
7.1.20.0170.02034.55
7.1.10.0090.01216.50
7.1.00.0090.01216.87
7.0.200.0080.01216.77
7.0.190.0110.00916.61
7.0.180.0140.00916.06
7.0.170.0030.01616.04
7.0.160.0060.01216.22
7.0.150.0080.01216.31
7.0.140.0110.00616.45
7.0.130.0080.00816.49
7.0.120.0060.01316.47
7.0.110.0070.01416.28
7.0.100.0060.01516.22
7.0.90.0030.01616.42
7.0.80.0070.01316.36
7.0.70.0030.01716.20
7.0.60.0060.01216.09
7.0.50.0110.00816.41
7.0.40.0160.00416.37
7.0.30.0040.01116.48
7.0.20.0080.00816.17
7.0.10.0060.01116.45
7.0.00.0000.01616.17

preferences:
59.29 ms | 401 KiB | 5 Q