3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('one', 'two', 'three', array('four', 'five')); var_dump(dechex(fb_serialize($arr)));

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)
8.3.60.0140.00016.50
8.3.50.0100.01222.00
8.3.40.0090.00918.84
8.3.30.0100.00719.10
8.3.20.0000.00720.20
8.3.10.0080.00023.41
8.3.00.0030.00519.38
8.2.180.0160.00318.54
8.2.170.0120.00622.96
8.2.160.0080.00620.26
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.08
8.2.110.0050.00522.11
8.2.100.0090.00317.91
8.2.90.0070.00019.23
8.2.80.0030.00517.97
8.2.70.0080.00017.63
8.2.60.0000.00717.92
8.2.50.0000.00818.07
8.2.40.0090.00018.16
8.2.30.0000.00718.07
8.2.20.0000.00817.67
8.2.10.0000.00718.00
8.2.00.0000.01117.73
8.1.280.0110.00425.92
8.1.270.0110.00423.97
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0100.00023.74
8.1.230.0120.00022.14
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.50
8.1.180.0030.00618.10
8.1.170.0030.00518.55
8.1.160.0000.00721.87
8.1.150.0020.00518.58
8.1.140.0040.00417.29
8.1.130.0070.00017.86
8.1.120.0000.00717.41
8.1.110.0030.00617.30
8.1.100.0050.00317.32
8.1.90.0040.00417.39
8.1.80.0030.00317.40
8.1.70.0030.00317.24
8.1.60.0070.00317.42
8.1.50.0030.00517.39
8.1.40.0000.00817.40
8.1.30.0000.00817.52
8.1.20.0040.00417.46
8.1.10.0030.00517.45
8.1.00.0070.00017.48
8.0.300.0040.00420.56
8.0.290.0050.00217.05
8.0.280.0070.00018.36
8.0.270.0070.00017.10
8.0.260.0030.00317.21
8.0.250.0030.00316.96
8.0.240.0000.00616.96
8.0.230.0000.00716.96
8.0.220.0000.00716.89
8.0.210.0030.00316.84
8.0.200.0000.00616.97
8.0.190.0030.00616.90
8.0.180.0040.00416.81
8.0.170.0050.00316.96
8.0.160.0070.00016.87
8.0.150.0030.00316.87
8.0.140.0000.00716.84
8.0.130.0040.00413.34
8.0.120.0070.00016.77
8.0.110.0070.00016.92
8.0.100.0000.00716.76
8.0.90.0070.00016.70
8.0.80.0100.00716.87
8.0.70.0050.00216.86
8.0.60.0000.00816.83
8.0.50.0040.00416.83
8.0.30.0170.00916.89
8.0.20.0120.00617.40
8.0.10.0000.00816.90
8.0.00.0090.01116.60
7.4.330.0030.00315.08
7.4.320.0030.00316.45
7.4.300.0000.00616.59
7.4.290.0000.00716.44
7.4.280.0000.00716.57
7.4.270.0040.00416.60
7.4.260.0020.00516.38
7.4.250.0000.00716.45
7.4.240.0070.00016.53
7.4.230.0030.00316.47
7.4.220.0070.01016.53
7.4.210.0060.01016.56
7.4.200.0030.00316.38
7.4.190.0030.00316.59
7.4.160.0080.00816.50
7.4.150.0140.00417.40
7.4.140.0120.00517.86
7.4.130.0090.00916.62
7.4.120.0140.00816.58
7.4.110.0090.00916.63
7.4.100.0120.01216.52
7.4.90.0060.00916.46
7.4.80.0130.01019.39
7.4.70.0040.01616.58
7.4.60.0060.01016.56
7.4.50.0030.00616.30
7.4.40.0030.01222.77
7.4.30.0030.01316.47
7.4.00.0100.00614.91
7.3.330.0040.00213.08
7.3.320.0000.00513.11
7.3.310.0040.00416.09
7.3.300.0000.00716.18
7.3.290.0130.00316.21
7.3.280.0130.00316.29
7.3.270.0100.00617.40
7.3.260.0140.00416.43
7.3.250.0120.00816.42
7.3.240.0150.00416.23
7.3.230.0150.00616.39
7.3.210.0100.00716.20
7.3.200.0070.01719.39
7.3.190.0030.01916.36
7.3.180.0110.00416.19
7.3.170.0110.03216.39
7.3.160.0160.00616.51
7.3.120.0030.01314.58
7.3.110.0030.01314.71
7.3.100.0040.00414.67
7.3.90.0030.01014.94
7.3.80.0000.00914.79
7.3.70.0100.00614.83
7.3.60.0030.01014.85
7.3.50.0000.01314.59
7.3.40.0040.01214.78
7.3.30.0080.01114.66
7.3.20.0080.01116.44
7.3.10.0100.00616.29
7.3.00.0080.00616.58
7.2.330.0120.00616.63
7.2.320.0100.00716.33
7.2.310.0110.00716.70
7.2.300.0120.00916.47
7.2.290.0110.00616.22
7.2.250.0060.01314.66
7.2.240.0030.01014.83
7.2.230.0110.00414.55
7.2.220.0100.00615.04
7.2.210.0000.01414.98
7.2.200.0000.01414.90
7.2.190.0040.00714.59
7.2.180.0000.01514.78
7.2.170.0030.00614.98
7.2.60.0080.00416.63
7.2.00.0040.01119.45
7.1.330.0040.00815.74
7.1.320.0030.01015.55
7.1.310.0000.01315.30
7.1.300.0090.00315.45
7.1.290.0090.00615.58
7.1.280.0040.00715.33
7.1.270.0040.01115.73
7.1.260.0100.00315.62
7.1.200.0030.01015.52
7.1.100.0000.01517.50
7.1.70.0070.00716.68
7.1.60.0090.01619.33
7.1.50.0060.01616.68
7.1.00.0030.07022.37
7.0.200.0100.00016.46
7.0.140.0030.07321.92
7.0.60.0100.08020.01
7.0.50.0100.04317.84
7.0.40.0030.04320.40
7.0.30.0170.04320.20
7.0.20.0270.07320.01
7.0.10.0030.04720.12
7.0.00.0030.08720.13
5.6.280.0070.06320.77
5.6.210.0070.05320.64
5.6.200.0100.07718.08
5.6.190.0070.08020.63
5.6.180.0230.04720.61
5.6.170.0370.06020.41
5.6.160.0070.04020.44
5.6.150.0030.04318.22
5.6.140.0070.07018.10
5.6.130.0130.07018.10
5.6.120.0000.04321.02
5.6.110.0130.07721.02
5.6.100.0100.08020.97
5.6.90.0070.07721.00
5.6.80.0100.04020.28
5.6.70.3370.03020.39
5.5.350.0130.08720.36
5.5.340.0070.08317.88
5.5.330.0070.04320.21
5.5.320.0030.04020.30
5.5.310.0400.07320.30
5.5.300.0130.07317.96
5.5.290.0070.07018.00
5.5.280.0000.04720.86
5.5.270.0100.08020.87
5.5.260.0030.06320.72
5.5.250.0070.05720.60
5.5.240.0200.08020.06
5.4.450.0700.05319.45
5.4.440.0770.06319.47
5.4.430.0330.07019.63
5.4.420.0530.04719.09
5.4.410.0770.05319.39
5.4.400.0670.04719.15
5.4.390.0870.05719.14
5.4.380.0430.05018.49
5.4.370.0300.05718.78
5.4.360.0230.05318.79
5.4.350.0230.05718.57
5.4.340.0230.06018.70
5.4.320.0040.03812.45
5.4.310.0050.04112.45
5.4.300.0070.03712.45
5.4.290.0110.04012.45
5.4.280.0110.06312.32
5.4.270.0110.06312.32
5.4.260.0080.06112.32
5.4.250.0140.05812.32
5.4.240.0090.06112.32
5.4.230.0100.06512.31
5.4.220.0120.06112.31
5.4.210.0160.05412.31
5.4.200.0120.07512.31
5.4.190.0080.05912.30
5.4.180.0130.06512.30
5.4.170.0110.05712.32
5.4.160.0090.06012.31
5.4.150.0110.05612.31
5.4.140.0080.06211.99
5.4.130.0070.05811.98
5.4.120.0050.06211.94
5.4.110.0080.05811.93
5.4.100.0100.05811.93
5.4.90.0100.06011.93
5.4.80.0160.04811.93
5.4.70.0110.04211.93
5.4.60.0080.03711.93
5.4.50.0090.03811.93
5.4.40.0100.04111.92
5.4.30.0120.04711.92
5.4.20.0100.05311.92
5.4.10.0110.04111.92
5.4.00.0120.05011.41
5.3.290.0050.04212.80
5.3.280.0090.05612.71
5.3.270.0150.06212.72
5.3.260.0120.06912.72
5.3.250.0110.05512.72
5.3.240.0170.05612.72
5.3.230.0150.05112.71
5.3.220.0090.05012.68
5.3.210.0120.03612.68
5.3.200.0100.03912.68
5.3.190.0090.04412.68
5.3.180.0050.04812.67
5.3.170.0220.04912.67
5.3.160.0110.05612.67
5.3.150.0050.05112.68
5.3.140.0060.06012.66
5.3.130.0140.05912.66
5.3.120.0120.04012.66
5.3.110.0100.05412.66
5.3.100.0120.05712.11
5.3.90.0090.05312.08
5.3.80.0130.05112.07
5.3.70.0110.04112.08
5.3.60.0090.06412.06
5.3.50.0170.09212.00
5.3.40.0130.06412.00
5.3.30.0110.05311.94
5.3.20.0080.06311.70
5.3.10.0180.06011.66
5.3.00.0230.08111.65
5.2.170.0090.0589.15
5.2.160.0190.0519.14
5.2.150.0080.0469.15
5.2.140.0130.0629.14
5.2.130.0140.0449.11
5.2.120.0050.0349.11
5.2.110.0080.0329.12
5.2.100.0070.0359.11
5.2.90.0090.0349.11
5.2.80.0090.0409.11
5.2.70.0080.0429.11
5.2.60.0070.0409.06
5.2.50.0100.0389.04
5.2.40.0070.0379.00
5.2.30.0100.0368.99
5.2.20.0120.0348.97
5.2.10.0070.0378.90
5.2.00.0100.0408.75
5.1.60.0100.0318.04
5.1.50.0080.0338.04
5.1.40.0090.0358.02
5.1.30.0080.0388.38
5.1.20.0080.0468.40
5.1.10.0080.0348.12
5.1.00.0070.0368.12
5.0.50.0070.0336.59
5.0.40.0090.0276.45
5.0.30.0050.0406.27
5.0.20.0060.0266.25
5.0.10.0070.0396.22
5.0.00.0090.0386.20
4.4.90.0060.0234.78
4.4.80.0040.0234.75
4.4.70.0060.0224.75
4.4.60.0070.0234.76
4.4.50.0040.0424.77
4.4.40.0040.0394.71
4.4.30.0030.0254.76
4.4.20.0080.0234.84
4.4.10.0050.0264.85
4.4.00.0040.0364.76
4.3.110.0070.0244.67
4.3.100.0090.0194.66
4.3.90.0060.0204.64
4.3.80.0050.0334.58
4.3.70.0070.0194.63
4.3.60.0050.0244.63
4.3.50.0070.0194.62
4.3.40.0070.0304.54
4.3.30.0030.0213.27
4.3.20.0040.0193.25
4.3.10.0040.0203.21
4.3.00.0270.01710.30

preferences:
53.7 ms | 400 KiB | 5 Q