3v4l.org

run code in 300+ PHP versions simultaneously
<?php method_exists('SplFileObject', 'fread') or die("No SplFileObject::fread()"); $i=0; $file = new SplFileObject(__FILE__); while ($file->valid()) { $chunk = $file->fread(20); $hex = array_map(function ($char) { return sprintf('%02X', ord($char)); }, str_split($chunk)); printf("%s %s\n", implode(' ', $hex), preg_replace('/[[:print:]]/', '.', $chunk)); }

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)
8.3.70.0180.00416.84
8.3.60.0180.00316.75
8.3.50.0170.00622.93
8.3.40.0110.00418.79
8.3.30.0090.00619.14
8.3.20.0060.00320.14
8.3.10.0030.00523.39
8.3.00.0060.00319.38
8.2.180.0150.00716.59
8.2.170.0040.01422.96
8.2.160.0040.01120.52
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0080.00326.16
8.2.120.0040.00420.99
8.2.110.0070.00321.17
8.2.100.0110.00317.91
8.2.90.0000.00919.17
8.2.80.0040.00417.97
8.2.70.0050.00317.75
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0060.00618.09
8.2.30.0050.00319.91
8.2.20.0040.00417.81
8.2.10.0000.00918.34
8.2.00.0000.00717.80
8.1.280.0070.00725.92
8.1.270.0040.00422.23
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0000.00920.64
8.1.230.0090.00321.04
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.01017.48
8.1.190.0030.00617.48
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0000.00822.11
8.1.150.0000.00718.85
8.1.140.0060.00317.60
8.1.130.0050.00217.89
8.1.120.0040.00417.48
8.1.110.0000.00817.65
8.1.100.0000.00717.69
8.1.90.0050.00217.60
8.1.80.0040.00417.68
8.1.70.0030.00317.55
8.1.60.0040.00417.77
8.1.50.0040.00417.70
8.1.40.0060.00617.67
8.1.30.0050.00317.66
8.1.20.0000.00917.79
8.1.10.0030.00517.68
8.1.00.0030.00517.59
8.0.300.0000.00818.77
8.0.290.0000.00817.00
8.0.280.0040.00418.49
8.0.270.0000.00717.24
8.0.260.0040.00417.30
8.0.250.0030.00317.13
8.0.240.0070.00017.04
8.0.230.0000.00717.12
8.0.220.0030.00317.08
8.0.210.0030.00317.00
8.0.200.0020.00517.00
8.0.190.0040.00417.02
8.0.180.0060.00317.07
8.0.170.0080.00017.09
8.0.160.0040.00417.13
8.0.150.0040.00416.89
8.0.140.0050.00216.94
8.0.130.0030.00313.47
8.0.120.0030.00517.04
8.0.110.0040.00417.05
8.0.100.0000.00717.18
8.0.90.0000.00717.02
8.0.80.0070.01017.12
8.0.70.0000.00817.02
8.0.60.0000.00717.03
8.0.50.0000.00817.06
8.0.30.0110.01017.26
8.0.20.0120.00717.40
8.0.10.0030.00517.14
8.0.00.0110.00816.82
7.4.330.0030.00315.15
7.4.320.0000.00616.83
7.4.300.0060.00016.63
7.4.290.0080.00016.69
7.4.280.0000.00716.63
7.4.270.0030.00316.75
7.4.260.0030.00916.83
7.4.250.0050.00316.85
7.4.240.0030.00416.80
7.4.230.0000.00716.66
7.4.220.0100.01316.82
7.4.210.0070.00716.88
7.4.200.0000.00716.91
7.4.160.0030.01316.66
7.4.150.0120.00817.40
7.4.140.0110.01017.86
7.4.130.0110.00816.82
7.4.120.0060.01116.68
7.4.110.0040.01516.74
7.4.100.0180.00016.77
7.4.90.0120.00616.66
7.4.80.0110.00719.39
7.4.70.0030.01516.44
7.4.60.0130.00816.70
7.4.50.0050.00316.64
7.4.40.0070.01116.72
7.4.30.0120.00416.67
7.4.00.0070.01015.26
7.3.330.0000.00713.35
7.3.320.0000.00513.24
7.3.310.0040.00416.48
7.3.300.0070.00016.46
7.3.290.0150.00316.44
7.3.280.0120.00816.41
7.3.270.0110.00817.40
7.3.260.0130.00816.43
7.3.250.0100.00716.47
7.3.240.0120.00616.84
7.3.230.0110.00616.55
7.3.210.0120.00416.41
7.3.200.0130.00519.39
7.3.190.0130.01016.79
7.3.180.0100.01316.54
7.3.170.0100.00616.41
7.3.160.0060.01516.80
7.3.10.0100.01016.72
7.3.00.0110.00716.23
7.2.330.0130.00616.92
7.2.320.0100.01416.87
7.2.310.0100.00616.96
7.2.300.0070.01016.80
7.2.290.0120.00616.72
7.2.130.0210.00016.70
7.2.120.0180.00316.95
7.2.110.0090.01216.78
7.2.100.0140.00916.93
7.2.90.0060.01716.75
7.2.80.0080.01617.07
7.2.70.0130.00916.66
7.2.60.0130.01016.90
7.2.50.0100.01016.99
7.2.40.0140.01016.83
7.2.30.0080.01117.20
7.2.20.0130.01316.78
7.2.10.0070.01116.65
7.2.00.0090.00818.21
7.1.250.0150.00615.35
7.1.100.0090.00618.40
7.1.70.0030.01017.30
7.1.60.0070.01819.40
7.1.50.0000.02617.07
7.1.00.0030.07722.38
7.0.200.0000.00716.72
7.0.140.0000.07722.09
7.0.60.0070.04019.92
7.0.50.0030.06317.91
7.0.40.0070.05320.29
7.0.30.0300.07720.18
7.0.20.0370.06020.35
7.0.10.0070.07020.09
7.0.00.0070.04320.16
5.6.280.0000.07721.07
5.6.210.0100.04720.73
5.6.200.0130.04318.29
5.6.190.0070.04020.77
5.6.180.0230.06020.57
5.6.170.0200.05020.51
5.6.160.0030.05020.50
5.6.150.0000.06718.29
5.6.140.0070.06318.14
5.6.130.0030.06018.17
5.6.120.0130.08321.02
5.6.110.0100.07321.12
5.6.100.0130.08021.11
5.6.90.0070.07020.97
5.6.80.0070.07020.38
5.5.350.4330.03720.39
5.5.340.0070.06718.00
5.5.330.0070.08320.31
5.5.320.0300.07020.24
5.5.310.0270.06720.19
5.5.300.0070.07318.03
5.5.290.0000.04318.03
5.5.280.0100.08020.89
5.5.270.0100.08020.87
5.5.260.0130.05320.79
5.5.250.0200.07020.62
5.5.240.0170.07320.29
5.4.450.0230.06719.50
5.4.440.0730.06019.65
5.4.430.1070.05019.31
5.4.420.0630.05019.49
5.4.410.0630.05719.21
5.4.400.0770.05719.38
5.4.390.0070.07719.25
5.4.380.0130.05318.79
5.4.370.0170.04718.55
5.4.360.0200.05018.70
5.4.350.0270.05018.42
5.4.340.0100.06018.50
5.4.320.0060.03812.50
5.4.310.0080.03712.50
5.4.300.0060.03612.50
5.4.290.0050.03912.50
5.4.280.0070.03712.39
5.4.270.0030.03812.39
5.4.260.0040.03912.39
5.4.250.0080.04412.39
5.4.240.0050.03512.39
5.4.230.0020.04012.39
5.4.220.0050.03612.39
5.4.210.0040.03612.39
5.4.200.0040.03912.39
5.4.190.0060.03512.39
5.4.180.0040.04112.38
5.4.170.0070.03512.39
5.4.160.0090.03212.39
5.4.150.0060.03512.38
5.4.140.0060.03612.07
5.4.130.0060.03412.06
5.4.120.0060.03512.02
5.4.110.0030.03812.02
5.4.100.0060.03512.01
5.4.90.0070.03512.01
5.4.80.0060.03512.01
5.4.70.0040.03512.01
5.4.60.0040.03512.01
5.4.50.0060.03412.01
5.4.40.0050.03611.99
5.4.30.0040.03612.00
5.4.20.0070.03311.99
5.4.10.0100.03111.99
5.4.00.0060.03411.48
5.3.290.0060.03812.80
5.3.280.0020.04912.71
5.3.270.0090.04012.72
5.3.260.0080.05112.72
5.3.250.0050.04412.72
5.3.240.0100.03912.72
5.3.230.0080.03412.71
5.3.220.0070.03412.68
5.3.210.0070.03712.68
5.3.200.0040.04312.68
5.3.190.0050.03812.68
5.3.180.0060.03412.67
5.3.170.0080.03412.67
5.3.160.0060.03612.68
5.3.150.0090.04212.68
5.3.140.0050.04112.66
5.3.130.0060.03812.66
5.3.120.0080.03512.66
5.3.110.0060.03712.66
5.3.100.0080.03412.12
5.3.90.0080.03412.10
5.3.80.0030.03812.09
5.3.70.0060.03512.09
5.3.60.0060.03512.07
5.3.50.0060.03512.03
5.3.40.0040.04012.03
5.3.30.0090.03411.98
5.3.20.0040.04411.77
5.3.10.0070.03311.73
5.3.00.0080.03911.72
5.2.170.0030.0369.19
5.2.160.0040.0309.18
5.2.150.0060.0349.18
5.2.140.0070.0279.18
5.2.130.0020.0379.14
5.2.120.0080.0349.14
5.2.110.0050.0289.15
5.2.100.0080.0309.15
5.2.90.0040.0329.14
5.2.80.0020.0339.14
5.2.70.0050.0299.14
5.2.60.0030.0359.10
5.2.50.0030.0309.07
5.2.40.0030.0299.04
5.2.30.0070.0269.02
5.2.20.0040.0289.00
5.2.10.0030.0308.92
5.2.00.0060.0278.79
5.1.60.0060.0318.07
5.1.50.0060.0238.07
5.1.40.0030.0258.05
5.1.30.0050.0248.40
5.1.20.0030.0268.42
5.1.10.0030.0268.15
5.1.00.0070.0268.14
5.0.50.0070.0246.63
5.0.40.0020.0226.48
5.0.30.0020.0326.30
5.0.20.0030.0196.27
5.0.10.0040.0186.25
5.0.00.0010.0326.24
4.4.90.0020.0154.78
4.4.80.0020.0154.76
4.4.70.0020.0164.76
4.4.60.0030.0154.75
4.4.50.0000.0174.77
4.4.40.0040.0244.71
4.4.30.0040.0144.76
4.4.20.0020.0164.85
4.4.10.0020.0164.85
4.4.00.0040.0254.76
4.3.110.0030.0164.67
4.3.100.0040.0134.66
4.3.90.0020.0154.64
4.3.80.0020.0244.58
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0020.0183.29
4.3.20.0030.0153.27
4.3.10.0020.0153.22
4.3.00.0100.0208.88

preferences:
44.64 ms | 401 KiB | 5 Q