3v4l.org

run code in 300+ PHP versions simultaneously
<?php class db_driver {} $array = "a\"aa"; $encode = (serialize($array)); echo $encode, PHP_EOL; echo base64_encode(gzcompress($encode)), PHP_EOL, PHP_EOL, PHP_EOL; var_dump(unserialize(stripslashes($encode)));

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)
8.3.60.0120.00616.50
8.3.50.0080.00816.41
8.3.40.0040.01218.73
8.3.30.0040.01118.97
8.3.20.0000.00818.77
8.3.10.0080.00019.00
8.3.00.0000.00819.13
8.2.180.0070.00716.75
8.2.170.0080.00819.01
8.2.160.0150.00622.96
8.2.150.0030.00624.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0080.00019.88
8.2.110.0030.00621.18
8.2.100.0090.00317.84
8.2.90.0030.00519.20
8.2.80.0030.00517.97
8.2.70.0050.00317.75
8.2.60.0030.00618.16
8.2.50.0000.00818.07
8.2.40.0030.00519.23
8.2.30.0040.00717.89
8.2.20.0090.00017.71
8.2.10.0040.00417.90
8.2.00.0050.00317.95
8.1.280.0140.00725.92
8.1.270.0000.00822.12
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0040.00423.97
8.1.230.0080.00417.83
8.1.220.0040.00417.77
8.1.210.0080.00018.77
8.1.200.0060.00317.36
8.1.190.0000.00817.22
8.1.180.0080.00318.10
8.1.170.0000.00818.63
8.1.160.0070.00019.20
8.1.150.0000.00818.72
8.1.140.0090.00017.55
8.1.130.0000.00719.06
8.1.120.0000.00717.57
8.1.110.0040.00717.59
8.1.100.0040.00417.45
8.1.90.0000.00717.50
8.1.80.0060.00317.55
8.1.70.0030.00317.52
8.1.60.0030.00617.56
8.1.50.0050.00317.61
8.1.40.0000.00817.61
8.1.30.0040.00417.73
8.1.20.0000.00817.64
8.1.10.0070.00017.60
8.1.00.0000.00717.46
8.0.300.0000.00818.77
8.0.290.0040.00416.88
8.0.280.0000.00718.68
8.0.270.0000.00817.41
8.0.260.0050.00316.91
8.0.250.0000.00817.12
8.0.240.0030.00717.02
8.0.230.0050.00317.05
8.0.220.0070.00316.97
8.0.210.0070.00017.00
8.0.200.0000.00616.93
8.0.190.0030.00516.93
8.0.180.0070.00417.03
8.0.170.0000.00817.03
8.0.160.0030.00516.88
8.0.150.0000.00916.82
8.0.140.0020.00716.98
8.0.130.0030.00313.41
8.0.120.0060.00316.81
8.0.110.0040.00416.85
8.0.100.0030.00516.97
8.0.90.0040.00416.91
8.0.80.0130.00617.04
8.0.70.0040.00416.84
8.0.60.0000.00816.78
8.0.50.0060.00316.98
8.0.30.0080.01117.16
8.0.20.0100.01217.07
8.0.10.0040.00417.04
8.0.00.0060.01317.01
7.4.330.0000.00513.10
7.4.320.0000.00616.61
7.4.300.0030.00316.67
7.4.290.0030.00516.68
7.4.280.0030.00616.61
7.4.270.0030.00316.57
7.4.260.0000.00513.41
7.4.250.0000.01016.67
7.4.240.0000.00816.57
7.4.230.0060.00316.51
7.4.220.0100.01016.75
7.4.210.0160.00016.78
7.4.200.0040.00416.44
7.4.190.0050.00316.79
7.4.160.0120.00316.43
7.4.150.0120.00616.52
7.4.140.0100.00717.86
7.4.130.0110.01116.73
7.4.120.0030.01716.57
7.4.110.0030.01516.56
7.4.100.0030.01916.65
7.4.90.0160.00616.60
7.4.80.0070.01119.39
7.4.70.0100.00616.44
7.4.60.0170.00016.77
7.4.50.0000.00616.46
7.4.40.0040.01116.49
7.4.30.0050.01016.45
7.4.00.0070.01014.95
7.3.330.0030.00313.47
7.3.320.0000.00613.34
7.3.310.0000.00716.23
7.3.300.0000.00716.33
7.3.290.0050.01116.39
7.3.280.0150.00616.31
7.3.270.0120.00716.46
7.3.260.0070.01016.57
7.3.240.0100.00716.63
7.3.230.0160.00316.38
7.3.210.0120.00616.50
7.3.200.0080.00816.48
7.3.190.0000.01616.57
7.3.180.0110.00616.61
7.3.170.0060.01016.67
7.3.160.0120.00416.39
7.3.120.0100.00715.13
7.2.330.0130.00516.69
7.2.320.0070.01016.96
7.2.310.0130.01016.96
7.2.300.0070.01016.50
7.2.290.0030.01916.69
7.2.60.0090.00616.90
7.2.00.0170.01118.73
7.1.200.0030.00715.81
7.1.100.0030.00918.09
7.1.70.0000.01016.88
7.1.60.0070.01619.21
7.1.50.0110.01417.02
7.1.00.0000.03722.46
7.0.200.0040.00416.78
7.0.140.0000.07721.96
7.0.120.0030.06721.97
7.0.60.0130.07720.00
7.0.50.0070.06018.03
7.0.40.0100.08017.74
7.0.30.0200.07317.81
7.0.20.0100.04717.85
7.0.10.0130.07717.84
7.0.00.0130.07317.80
5.6.280.0170.06321.07
5.6.210.0100.08020.68
5.6.200.0070.05718.36
5.6.190.0130.07718.31
5.6.180.0130.05318.33
5.6.170.0200.06718.33
5.6.160.0200.07318.29
5.6.150.0070.08018.32
5.6.140.0100.07718.27
5.6.130.0070.05318.26
5.6.120.0070.07718.27
5.6.110.0100.06718.34
5.6.100.0030.07318.32
5.6.90.0100.07018.30
5.6.80.0100.07717.69
5.6.70.0000.06017.64
5.6.60.0070.06017.75
5.6.50.0070.06317.69
5.6.40.0170.06717.68
5.6.30.0070.08017.71
5.6.20.0000.08717.65
5.6.10.0030.08017.61
5.6.00.0130.07717.70
5.5.350.0070.08020.50
5.5.340.0130.07718.10
5.5.330.0100.07718.16
5.5.320.0030.08318.11
5.5.310.0070.04317.96
5.5.300.0030.04318.09
5.5.290.0100.08018.07
5.5.280.0100.05018.06
5.5.270.0100.06718.05
5.5.260.0030.05718.05
5.5.250.0070.08317.78
5.5.240.0070.08017.50
5.5.230.0030.04317.54
5.5.220.0030.08017.51
5.5.210.0070.05717.57
5.5.200.0030.08017.47
5.5.190.0000.09017.43
5.5.180.0030.05017.42
5.5.160.0100.07717.46
5.5.150.0030.08317.43
5.5.140.0070.08017.44
5.5.130.0100.07317.55
5.5.120.0130.03017.41
5.5.110.0070.06717.43
5.5.100.0100.07017.39
5.5.90.0030.04717.36
5.5.80.0100.07717.38
5.5.70.0130.07317.35
5.5.60.0070.06017.30
5.5.50.0100.07017.38
5.5.40.0030.06717.35
5.5.30.0070.08317.38
5.5.20.0070.08317.39
5.5.10.0070.06317.35
5.5.00.0130.06717.35
5.4.450.0170.07019.39
5.4.440.0070.05319.38
5.4.430.0100.05019.53
5.4.420.0030.08019.46
5.4.410.0030.04019.26
5.4.400.0030.04319.08
5.4.390.0070.03719.10
5.4.380.0030.03719.05
5.4.370.0070.04719.30
5.4.360.0130.06719.05
5.4.350.0100.07319.16
5.4.340.0030.06019.00
5.4.320.0100.08019.20
5.4.310.0100.07719.23
5.4.300.0030.07719.07
5.4.290.0100.07319.16
5.4.280.0070.05319.00
5.4.270.0030.08318.99
5.4.260.0030.08719.00
5.4.250.0030.06019.21
5.4.240.0030.06319.16
5.4.230.0100.07719.29
5.4.220.0070.04019.09
5.4.210.0030.05019.09
5.4.200.0070.07319.23
5.4.190.0100.05319.15
5.4.180.0070.07318.99
5.4.170.0100.06719.06
5.4.160.0070.07019.13
5.4.150.0100.06019.12
5.4.140.0100.07316.43
5.4.130.0070.07716.43
5.4.120.0070.07716.38
5.4.110.0030.03716.51
5.4.100.0170.06316.59
5.4.90.0070.06316.59
5.4.80.0070.07716.54
5.4.70.0030.05716.43
5.4.60.0030.07316.42
5.4.50.0000.04316.36
5.4.40.0000.04716.41
5.4.30.0070.03716.62
5.4.20.0030.03316.54
5.4.10.0000.04016.44
5.4.00.0030.03315.89
5.3.290.0100.06714.73
5.3.280.0130.07314.77
5.3.270.0130.04714.75
5.3.260.0130.06714.73
5.3.250.0070.07314.70
5.3.240.0100.07014.56
5.3.230.0100.05714.73
5.3.220.0000.08014.72
5.3.210.0070.05714.77
5.3.200.0070.06314.71
5.3.190.0100.07314.72
5.3.180.0000.05714.71
5.3.170.0030.05714.90
5.3.160.0100.03714.62
5.3.150.0030.07714.66
5.3.140.0130.04314.66
5.3.130.0000.04014.70
5.3.120.0000.04014.62
5.3.110.0000.04014.70
5.3.100.0000.04014.21
5.3.90.0070.03314.34
5.3.80.0000.04014.21
5.3.70.0030.03714.15
5.3.60.0000.03714.17
5.3.50.0000.04014.09
5.3.40.0030.03714.06
5.3.30.0000.04714.03
5.3.20.0030.03314.00
5.3.10.0070.03013.75
5.3.00.0000.03713.59
5.2.170.0100.02011.29
5.2.160.0030.02711.21
5.2.150.0030.02711.21
5.2.140.0000.03011.28
5.2.130.0030.03311.09
5.2.120.0000.03011.10
5.2.110.0030.02711.22
5.2.100.0030.02711.25
5.2.90.0100.02011.22
5.2.80.0000.03011.23
5.2.70.0000.03011.19
5.2.60.0000.03011.00
5.2.50.0030.02711.14
5.2.40.0000.03011.31
5.2.30.0030.02711.11
5.2.20.0030.02711.02
5.2.10.0030.02710.96
5.2.00.0030.02710.86
5.1.60.0030.0239.99
5.1.50.0000.02710.12
5.1.40.0030.03010.04
5.1.30.0000.02710.35
5.1.20.0000.03310.37
5.1.10.0030.02310.09
5.1.00.0030.02310.31
5.0.50.0000.0238.95
5.0.40.0030.0178.95
5.0.30.0000.0308.95
5.0.20.0000.0208.95
5.0.10.0000.0238.95
5.0.00.0000.0308.95
4.4.90.0000.0138.95
4.4.80.0030.0138.95
4.4.70.0000.0178.95
4.4.60.0000.0178.95
4.4.50.0000.0178.95
4.4.40.0000.0238.95
4.4.30.0000.0178.95
4.4.20.0030.0138.95
4.4.10.0030.0138.95
4.4.00.0030.0308.95
4.3.110.0000.0178.95
4.3.100.0000.0178.95
4.3.90.0030.0138.95
4.3.80.0030.0478.95
4.3.70.0030.0178.95
4.3.60.0000.0338.95
4.3.50.0000.0378.95
4.3.40.0000.0438.95
4.3.30.0030.0338.95
4.3.20.0000.0338.95
4.3.10.0030.0278.95
4.3.00.0000.0338.95

preferences:
42.27 ms | 401 KiB | 5 Q