3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(pack('N', 32767)); /* function pack_encode($val) { $b64 = base64_encode(pack($format, $val)); return str_replace(array('/', '='), array('_', ''), $b64); // "/" json-encodes poorly and "=" is padding } function pack_decode($bin) { $b64 = str_replace('_', '/', $bin); // un-padded $data = unpack('C'.(length($bin)/2), base64_decode($b64, false)); $val = 0; foreach ($data as $v) { $val = ($val<<$width) | $v; } return $val; } $max = 32767; $n = 20; $step = intval($max/$n); for ($i=0; $i<=$n; $i++) { $val = $i*$step; $enc = pack_encode($val); $dec = pack_decode($val); echo "$enc $dec $val\n"; } */

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)
8.3.60.0070.00718.34
8.3.50.0120.00622.77
8.3.40.0070.01418.71
8.3.30.0030.01018.99
8.3.20.0040.00420.39
8.3.10.0000.00821.91
8.3.00.0030.00517.50
8.2.180.0120.00316.38
8.2.170.0060.00822.96
8.2.160.0070.00720.35
8.2.150.0000.00824.18
8.2.140.0050.00224.66
8.2.130.0050.00226.16
8.2.120.0040.00421.09
8.2.110.0080.00022.11
8.2.100.0040.00817.78
8.2.90.0070.00019.11
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0080.00017.91
8.2.50.0040.00418.07
8.2.40.0040.00417.91
8.2.30.0050.00318.06
8.2.20.0050.00317.55
8.2.10.0040.00417.94
8.2.00.0000.00817.47
8.1.280.0060.01225.92
8.1.270.0050.00323.71
8.1.260.0040.00426.35
8.1.250.0120.00328.09
8.1.240.0090.00023.72
8.1.230.0070.00419.15
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0040.00717.10
8.1.190.0020.00516.97
8.1.180.0070.00018.10
8.1.170.0030.00618.51
8.1.160.0040.00421.95
8.1.150.0030.00518.76
8.1.140.0000.00717.31
8.1.130.0070.00017.83
8.1.120.0000.00717.29
8.1.110.0080.00017.18
8.1.100.0040.00417.27
8.1.90.0030.00317.33
8.1.80.0040.00417.34
8.1.70.0070.00417.34
8.1.60.0050.00317.41
8.1.50.0000.00917.44
8.1.40.0040.00417.39
8.1.30.0000.00917.37
8.1.20.0000.00717.53
8.1.10.0050.00217.36
8.1.00.0030.00617.34
8.0.300.0000.00718.77
8.0.290.0020.00516.63
8.0.280.0030.00318.26
8.0.270.0030.00617.17
8.0.260.0000.00617.27
8.0.250.0030.00316.86
8.0.240.0030.00316.88
8.0.230.0030.00316.82
8.0.220.0030.00316.79
8.0.210.0000.00716.71
8.0.200.0000.00716.82
8.0.190.0000.00716.73
8.0.180.0040.00416.85
8.0.170.0000.00816.70
8.0.160.0000.00716.84
8.0.150.0040.00316.61
8.0.140.0070.00016.69
8.0.130.0030.00313.18
8.0.120.0000.00816.74
8.0.110.0030.00516.72
8.0.100.0000.00716.89
8.0.90.0040.00416.77
8.0.80.0110.01116.72
8.0.70.0050.00216.71
8.0.60.0070.00016.77
8.0.50.0000.00816.82
8.0.30.0120.01016.97
8.0.20.0050.01417.40
8.0.10.0000.00817.00
8.0.00.0130.00616.70
7.4.330.0030.00315.00
7.4.320.0060.00016.38
7.4.300.0000.00616.53
7.4.290.0040.00416.34
7.4.280.0030.00616.39
7.4.270.0030.00316.34
7.4.260.0040.00416.46
7.4.250.0000.00716.49
7.4.240.0020.00516.48
7.4.230.0000.00716.28
7.4.220.0030.01516.45
7.4.210.0000.01516.46
7.4.200.0000.00716.49
7.4.160.0100.00616.28
7.4.150.0040.01417.40
7.4.140.0110.00817.86
7.4.130.0100.00816.24
7.4.120.0130.00516.28
7.4.110.0040.01816.49
7.4.100.0100.01016.38
7.4.90.0070.01016.34
7.4.80.0090.01419.39
7.4.70.0080.00816.33
7.4.60.0160.00616.21
7.4.50.0000.00815.91
7.4.40.0030.01316.38
7.4.30.0080.00816.29
7.4.00.0040.00714.43
7.3.330.0050.00012.98
7.3.320.0020.00213.06
7.3.310.0030.00316.22
7.3.300.0070.00016.11
7.3.290.0080.00516.19
7.3.280.0080.00816.12
7.3.270.0090.00917.40
7.3.260.0070.01116.34
7.3.250.0100.00916.14
7.3.240.0110.00516.16
7.3.230.0140.00716.39
7.3.210.0100.00716.09
7.3.200.0070.01019.39
7.3.190.0100.00716.48
7.3.180.0060.00916.19
7.3.170.0060.01316.27
7.3.160.0110.00816.12
7.2.330.0070.01016.45
7.2.320.0040.01216.50
7.2.310.0090.01216.09
7.2.300.0060.01016.35
7.2.290.0060.00916.53
7.2.60.0060.00616.83
7.1.200.0100.00315.66
7.1.70.0000.00716.75
7.1.60.0060.01519.40
7.1.50.0070.01416.53
7.1.00.0070.07322.53
7.0.200.0000.00816.73
7.0.140.0000.07722.07
7.0.60.0030.03021.66
7.0.50.0070.08017.74
7.0.40.0030.06720.12
7.0.30.0300.07720.20
7.0.20.0330.07320.13
7.0.10.0130.07720.33
7.0.00.0170.06320.18
5.6.280.0030.07320.90
5.6.210.0100.06320.47
5.6.200.0030.09018.12
5.6.190.0030.09320.33
5.6.180.3970.04020.59
5.6.170.0270.03720.50
5.6.160.0030.04320.50
5.6.150.0100.08018.15
5.6.140.0070.06718.17
5.6.130.0000.04318.20
5.6.120.0070.03720.98
5.6.110.0070.04021.00
5.6.100.0100.07721.12
5.6.90.0130.08021.05
5.6.80.0100.06720.43
5.5.350.4200.03020.48
5.5.340.0030.08018.01
5.5.330.0100.06020.29
5.5.320.0170.04020.29
5.5.310.0300.07320.50
5.5.300.0000.06317.92
5.5.290.0100.08317.92
5.5.280.0200.03320.69
5.5.270.0030.08720.67
5.5.260.0170.07320.86
5.5.250.0070.04320.45
5.5.240.0300.07720.25
5.4.450.0770.05719.43
5.4.440.1000.04319.54
5.4.430.0930.06019.25
5.4.420.0370.06019.52
5.4.410.0830.04719.02
5.4.400.0330.07018.60
5.4.390.0370.05018.70
5.4.380.0200.05318.72
5.4.370.0270.04318.50
5.4.360.0270.06318.76
5.4.350.0110.07211.97
5.4.340.0070.03711.96
5.4.320.0070.03912.45
5.4.310.0120.08012.45
5.4.300.0080.04912.45
5.4.290.0150.04312.45
5.4.280.0040.05012.34
5.4.270.0070.04412.35
5.4.260.0110.05512.34
5.4.250.0180.08212.34
5.4.240.0180.06012.35
5.4.230.0090.05112.34
5.4.220.0170.08512.34
5.4.210.0100.04512.34
5.4.200.0040.05412.34
5.4.190.0090.04212.33
5.4.180.0060.03912.33
5.4.170.0070.03612.35
5.4.160.0070.04712.34
5.4.150.0100.05112.34
5.4.140.0060.05312.02
5.4.130.0090.04812.01
5.4.120.0150.07011.97
5.4.110.0050.05011.96
5.4.100.0060.04911.96
5.4.90.0110.06711.96
5.4.80.0140.06811.96
5.4.70.0040.05811.96
5.4.60.0050.05411.96
5.4.50.0100.05011.96
5.4.40.0070.05211.95
5.4.30.0150.06111.95
5.4.20.0090.04711.95
5.4.10.0070.04911.95
5.4.00.0090.05911.44
5.3.290.0080.04912.80
5.3.280.0050.06712.70
5.3.270.0080.03912.72
5.3.260.0100.05012.72
5.3.250.0130.05012.72
5.3.240.0090.05412.72
5.3.230.0100.06212.71
5.3.220.0130.06312.68
5.3.210.0160.07012.68
5.3.200.0120.08312.68
5.3.190.0140.07112.68
5.3.180.0120.07112.67
5.3.170.0150.06112.67
5.3.160.0090.05712.68
5.3.150.0050.05812.67
5.3.140.0160.05012.66
5.3.130.0100.06212.66
5.3.120.0090.05912.66
5.3.110.0090.06212.65
5.3.100.0130.05312.12
5.3.90.0160.06812.09
5.3.80.0110.05812.08
5.3.70.0040.04212.07
5.3.60.0080.03612.07
5.3.50.0050.03812.00
5.3.40.0050.03612.00
5.3.30.0060.03511.94
5.3.20.0050.03911.72
5.3.10.0060.03411.69
5.3.00.0110.04111.67
5.2.170.0070.0429.17
5.2.160.0050.0429.17
5.2.150.0060.0449.18
5.2.140.0060.0479.17
5.2.130.0080.0439.13
5.2.120.0140.0489.13
5.2.110.0060.0419.14
5.2.100.0100.0399.13
5.2.90.0140.0579.14
5.2.80.0080.0339.13
5.2.70.0050.0319.13
5.2.60.0050.0329.08
5.2.50.0090.0269.05
5.2.40.0050.0299.03
5.2.30.0040.0319.00
5.2.20.0040.0318.99
5.2.10.0060.0288.92
5.2.00.0060.0308.77
5.1.60.0060.0238.06
5.1.50.0030.0278.05
5.1.40.0020.0288.04
5.1.30.0070.0248.39
5.1.20.0070.0468.41
5.1.10.0050.0428.13
5.1.00.0110.0488.13
5.0.50.0020.0306.61
5.0.40.0050.0306.47
5.0.30.0090.0426.28
5.0.20.0030.0276.26
5.0.10.0050.0276.24
5.0.00.0070.0406.22
4.4.90.0030.0254.78
4.4.80.0040.0214.75
4.4.70.0050.0204.75
4.4.60.0060.0194.75
4.4.50.0040.0254.77
4.4.40.0040.0354.71
4.4.30.0060.0204.76
4.4.20.0040.0214.84
4.4.10.0070.0214.85
4.4.00.0050.0334.76
4.3.110.0070.0214.67
4.3.100.0060.0204.67
4.3.90.0060.0194.63
4.3.80.0060.0314.59
4.3.70.0020.0254.63
4.3.60.0040.0254.63
4.3.50.0050.0244.62
4.3.40.0060.0324.54
4.3.30.0030.0313.28
4.3.20.0010.0233.26
4.3.10.0020.0223.21
4.3.00.0130.0237.20

preferences:
51.65 ms | 401 KiB | 5 Q