3v4l.org

run code in 300+ PHP versions simultaneously
<?php class C implements Serializable { public function __serialize() { return []; } public function __unserialize(array $data) {} public function serialize() { return serialize( [] ); } public function unserialize( $serialized ) { $data = unserialize( $serialized ); } } var_dump(unserialize('C:1:"C":6:{a:0:{}}'));

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)
8.5.10.0110.00620.27
8.5.00.0100.01120.13
8.4.150.0010.00114.05
8.4.140.0100.01017.64
8.4.130.0120.01017.80
8.4.120.0120.00722.16
8.4.110.0100.01022.28
8.4.100.0070.00617.95
8.4.90.0070.01418.55
8.4.80.0050.00517.89
8.4.70.0060.00217.63
8.4.60.0140.00720.60
8.4.50.0140.00620.17
8.4.40.0190.00019.61
8.4.30.0110.00818.89
8.4.20.0120.00619.72
8.4.10.0100.01023.95
8.3.280.0090.01118.49
8.3.270.0130.00916.75
8.3.260.0030.00616.55
8.3.250.0060.00918.84
8.3.240.0120.00716.73
8.3.230.0140.00516.64
8.3.220.0030.00417.25
8.3.210.0090.00718.60
8.3.200.0040.00516.51
8.3.190.0130.00217.00
8.3.180.0130.00618.35
8.3.170.0200.00017.11
8.3.160.0190.00016.48
8.3.150.0000.00918.84
8.3.140.0080.00017.17
8.3.130.0070.00416.41
8.3.120.0000.01018.93
8.3.110.0030.00620.94
8.3.100.0080.00024.06
8.3.90.0040.00426.77
8.3.80.0090.00016.50
8.3.70.0140.00316.58
8.3.60.0110.00416.63
8.3.50.0170.00320.16
8.3.40.0060.01220.11
8.3.30.0040.01118.62
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.290.0110.00820.42
8.2.280.0090.00518.50
8.2.270.0110.00717.15
8.2.260.0040.00416.64
8.2.250.0040.00422.00
8.2.240.0060.00318.94
8.2.230.0030.00622.58
8.2.220.0070.00037.54
8.2.210.0150.00026.77
8.2.200.0090.00018.41
8.2.190.0150.00018.12
8.2.180.0090.00625.92
8.2.170.0110.00418.81
8.2.160.0140.00022.96
8.2.150.0070.00025.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00026.16
8.2.110.0060.00321.03
8.2.100.0090.00317.91
8.2.90.0000.00917.77
8.2.80.0050.00319.16
8.2.70.0080.00017.49
8.2.60.0060.00317.93
8.2.50.0050.00518.07
8.2.40.0000.00819.82
8.2.30.0050.00218.08
8.2.20.0000.00820.68
8.2.10.0060.00318.01
8.2.00.0000.00819.28
8.1.330.0150.00321.98
8.1.320.0110.00416.17
8.1.310.0110.00720.15
8.1.300.0160.00318.38
8.1.290.0110.00030.84
8.1.280.0040.01125.92
8.1.270.0060.00323.87
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.94
8.1.230.0080.00320.62
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.38
8.1.190.0080.00017.48
8.1.180.0030.00618.10
8.1.170.0000.00918.59
8.1.160.0040.00418.77
8.1.150.0070.00018.53
8.1.140.0040.00417.41
8.1.130.0070.00017.46
8.1.120.0050.00517.52
8.1.110.0000.01117.50
8.1.100.0070.00417.39
8.1.90.0070.00417.39
8.1.80.0040.00717.52
8.1.70.0070.00417.51
8.1.60.0080.00317.56
8.1.50.0140.00417.64
8.1.40.0100.00717.65
8.1.30.0040.01217.68
8.1.20.0120.00617.66
8.1.10.0080.00817.48
8.1.00.0140.00417.41
8.0.300.0000.00921.70
8.0.290.0000.00916.59
8.0.280.0080.00018.53
8.0.270.0040.00416.93
8.0.260.0000.00716.76
8.0.250.0150.00016.83
8.0.240.0110.00416.96
8.0.230.0090.00417.01
8.0.220.0110.00416.89
8.0.210.0040.01116.87
8.0.200.0140.00216.85
8.0.190.0110.00516.98
8.0.180.0090.00616.83
8.0.170.0120.00216.86
8.0.160.0070.00716.92
8.0.150.0110.00316.94
8.0.140.0150.00016.77
8.0.130.0140.00016.93
8.0.120.0120.00216.89
8.0.110.0070.00716.83
8.0.100.0150.00016.89
8.0.90.0120.00216.79
8.0.80.0070.00716.88
8.0.70.0090.00516.80
8.0.60.0070.00716.88
8.0.50.0110.00416.82
8.0.30.0110.00416.89
8.0.20.0140.00016.85
8.0.10.0070.00717.02
7.4.330.0050.00014.29
7.4.320.0120.00316.39
7.4.300.0060.01016.54
7.4.290.0090.00416.36
7.4.280.0100.00316.54
7.4.270.0150.00016.46
7.4.260.0150.00016.53
7.4.250.0130.00316.54
7.4.240.0100.00516.54
7.4.230.0120.00516.53
7.4.220.0080.00616.39
7.4.210.0140.00016.44
7.4.200.0100.00316.35
7.4.190.0100.00316.54
7.4.180.0110.00416.59
7.4.160.0100.00316.42
7.4.150.0050.00916.54
7.4.140.0120.00316.39
7.4.130.0090.00416.39
7.4.120.0110.00016.36
7.4.110.0050.00516.44
7.4.100.0040.00716.31
7.4.90.0080.00616.46
7.4.80.0080.00316.36
7.4.70.0050.01016.26
7.4.60.0060.00616.34
7.4.50.0070.00216.46
7.4.40.0060.00016.23
7.4.30.0000.00716.29
7.4.20.0000.00716.40
7.4.10.0100.00016.44
7.4.00.0050.00516.43

preferences:
96.83 ms | 403 KiB | 5 Q