3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(base64_encode(pack('C', 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)
8.3.60.0120.00318.43
8.3.50.0170.00222.99
8.3.40.0120.00318.73
8.3.30.0090.00518.94
8.3.20.0000.00720.29
8.3.10.0030.00621.69
8.3.00.0080.00017.38
8.2.180.0040.01116.32
8.2.170.0090.00622.96
8.2.160.0140.00020.31
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0000.00821.05
8.2.110.0080.00022.16
8.2.100.0060.00617.66
8.2.90.0040.00418.90
8.2.80.0070.00017.97
8.2.70.0000.00817.50
8.2.60.0080.00017.68
8.2.50.0040.00418.07
8.2.40.0040.00417.79
8.2.30.0000.00717.98
8.2.20.0000.00717.55
8.2.10.0000.00817.81
8.2.00.0070.00017.55
8.1.280.0060.00925.92
8.1.270.0040.00423.82
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0060.00323.84
8.1.230.0060.00319.04
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0060.00317.11
8.1.190.0030.00517.10
8.1.180.0080.00018.10
8.1.170.0040.00418.59
8.1.160.0000.00821.99
8.1.150.0000.00818.75
8.1.140.0030.00317.29
8.1.130.0070.00017.75
8.1.120.0000.00717.24
8.1.110.0050.00317.36
8.1.100.0030.00317.24
8.1.90.0040.00417.26
8.1.80.0000.00717.37
8.1.70.0100.00017.15
8.1.60.0040.00417.48
8.1.50.0050.00317.29
8.1.40.0040.00417.40
8.1.30.0040.00417.57
8.1.20.0050.00317.49
8.1.10.0000.00717.29
8.1.00.0040.00417.33
8.0.300.0040.00418.77
8.0.290.0050.00216.63
8.0.280.0050.00218.27
8.0.270.0030.00617.14
8.0.260.0070.00017.13
8.0.250.0040.00416.77
8.0.240.0070.00016.72
8.0.230.0030.00316.80
8.0.220.0030.00316.65
8.0.210.0000.00716.75
8.0.200.0000.00716.79
8.0.190.0030.00316.81
8.0.180.0040.00416.67
8.0.170.0000.00916.68
8.0.160.0000.00716.80
8.0.150.0040.00416.66
8.0.140.0000.00816.74
8.0.130.0050.00013.17
8.0.120.0030.00516.74
8.0.110.0070.00016.65
8.0.100.0000.00716.72
8.0.90.0000.00716.76
8.0.80.0190.00316.68
8.0.70.0000.00716.74
8.0.60.0000.00716.55
8.0.50.0050.00316.59
8.0.30.0070.01616.92
8.0.20.0130.00617.40
8.0.10.0000.00716.94
8.0.00.0060.01116.54
7.4.330.0000.00515.00
7.4.320.0070.00016.51
7.4.300.0060.00016.42
7.4.290.0000.00816.34
7.4.280.0060.00316.37
7.4.270.0080.00016.48
7.4.260.0000.00716.45
7.4.250.0070.00016.33
7.4.240.0020.00516.43
7.4.230.0030.00316.30
7.4.220.0070.01016.52
7.4.210.0090.01016.47
7.4.200.0070.00016.40
7.4.160.0100.00816.27
7.4.150.0120.00617.40
7.4.140.0130.01017.86
7.4.130.0100.00716.30
7.4.120.0130.00516.36
7.4.110.0190.01916.23
7.4.100.0120.00916.36
7.4.90.0100.00716.53
7.4.80.0030.01419.39
7.4.70.0140.00316.38
7.4.60.0110.00516.54
7.4.50.0060.00316.32
7.4.40.0040.01816.43
7.4.30.0100.00516.23
7.4.00.0070.00414.70
7.3.330.0000.00612.97
7.3.320.0020.00212.99
7.3.310.0060.00015.98
7.3.300.0040.00416.14
7.3.290.0050.01116.18
7.3.280.0110.00516.15
7.3.270.0030.01317.40
7.3.260.0080.00816.21
7.3.250.0100.01116.28
7.3.240.0030.01516.50
7.3.230.0060.01016.39
7.3.210.0100.00616.22
7.3.200.0090.00819.39
7.3.190.0100.01016.38
7.3.180.0060.00916.11
7.3.170.0060.00916.27
7.3.160.0140.00816.28
7.2.330.0000.01916.52
7.2.320.0130.00316.18
7.2.310.0100.00716.49
7.2.300.0120.00416.50
7.2.290.0070.01416.64
7.1.200.0110.01115.45
7.1.100.0060.00617.50
7.1.70.0000.01017.06
7.1.60.0070.01719.40
7.1.50.0140.00616.79
7.1.00.0100.07022.48
7.0.200.0000.00716.44
7.0.140.0100.06322.00
7.0.60.0100.06720.01
7.0.50.0070.08017.90
7.0.40.0100.07020.15
7.0.30.0300.08020.16
7.0.20.0200.03720.32
7.0.10.0070.05320.00
7.0.00.0100.07020.00
5.6.280.0100.06721.09
5.6.210.0100.03720.67
5.6.200.0000.04718.11
5.6.190.0070.09320.27
5.6.180.0300.05020.57
5.6.170.0270.07320.51
5.6.160.0070.08320.45
5.6.150.0030.05318.11
5.6.140.0070.08018.12
5.6.130.0100.04318.15
5.6.120.0000.06320.99
5.6.110.0130.06020.98
5.6.100.0170.05021.10
5.6.90.0100.07020.99
5.6.80.0070.07020.27
5.5.350.3200.04320.39
5.5.340.0130.03017.89
5.5.330.0100.05720.23
5.5.320.0230.04720.28
5.5.310.0330.05320.23
5.5.300.0030.04317.88
5.5.290.0030.04718.02
5.5.280.0030.05020.84
5.5.270.0070.03720.79
5.5.260.0030.07020.86
5.5.250.0000.07320.70
5.5.240.0100.08320.03
5.4.450.0870.08319.48
5.4.440.0170.05719.63
5.4.430.0230.04719.52
5.4.420.0300.03719.16
5.4.410.0270.04719.45
5.4.400.0300.04319.19
5.4.390.0200.05318.93
5.4.380.0100.06018.65
5.4.370.0170.03718.67
5.4.360.0200.04718.48
5.4.350.0120.04711.97
5.4.340.0100.04811.97
5.4.320.0030.04012.45
5.4.310.0120.04212.45
5.4.300.0080.04212.45
5.4.290.0040.04912.45
5.4.280.0090.04712.35
5.4.270.0070.03912.35
5.4.260.0090.05112.35
5.4.250.0050.04012.35
5.4.240.0040.03812.35
5.4.230.0060.03812.34
5.4.220.0060.03712.34
5.4.210.0080.03412.34
5.4.200.0040.03912.34
5.4.190.0060.04112.34
5.4.180.0040.03612.33
5.4.170.0070.03612.35
5.4.160.0060.03712.34
5.4.150.0090.05312.34
5.4.140.0080.03812.02
5.4.130.0060.03712.01
5.4.120.0090.03311.97
5.4.110.0040.03711.96
5.4.100.0030.03811.96
5.4.90.0070.03511.96
5.4.80.0070.03611.96
5.4.70.0030.03711.96
5.4.60.0040.03611.96
5.4.50.0050.03511.96
5.4.40.0030.03811.95
5.4.30.0070.03411.95
5.4.20.0070.03411.95
5.4.10.0060.03411.95
5.4.00.0050.03511.44
5.3.290.0070.04212.80
5.3.280.0080.03612.71
5.3.270.0070.03812.73
5.3.260.0080.04412.72
5.3.250.0050.03812.72
5.3.240.0060.03712.72
5.3.230.0070.03712.71
5.3.220.0040.03812.68
5.3.210.0040.04212.68
5.3.200.0060.03712.68
5.3.190.0070.03612.68
5.3.180.0060.04412.67
5.3.170.0070.03512.66
5.3.160.0060.03612.67
5.3.150.0020.04112.68
5.3.140.0060.03712.66
5.3.130.0080.03712.66
5.3.120.0050.03912.66
5.3.110.0070.03712.66
5.3.100.0080.03412.12
5.3.90.0080.03312.08
5.3.80.0050.03712.07
5.3.70.0060.03612.08
5.3.60.0110.03112.07
5.3.50.0080.03512.00
5.3.40.0060.04512.00
5.3.30.0110.04411.94
5.3.20.0090.03711.72
5.3.10.0070.03411.69
5.3.00.0060.04311.68
5.2.170.0050.0319.18
5.2.160.0040.0329.18
5.2.150.0050.0329.18
5.2.140.0040.0339.18
5.2.130.0060.0299.14
5.2.120.0080.0279.14
5.2.110.0080.0289.14
5.2.100.0070.0289.14
5.2.90.0070.0299.13
5.2.80.0050.0329.13
5.2.70.0060.0319.13
5.2.60.0030.0349.08
5.2.50.0040.0309.05
5.2.40.0080.0259.03
5.2.30.0040.0309.00
5.2.20.0040.0309.00
5.2.10.0060.0278.92
5.2.00.0120.0338.77
5.1.60.0080.0228.06
5.1.50.0060.0248.06
5.1.40.0060.0248.04
5.1.30.0040.0388.39
5.1.20.0020.0408.41
5.1.10.0070.0338.14
5.1.00.0070.0348.13
5.0.50.0040.0216.61
5.0.40.0030.0216.47
5.0.30.0060.0386.29
5.0.20.0020.0226.26
5.0.10.0030.0266.24
5.0.00.0070.0296.23
4.4.90.0050.0144.78
4.4.80.0030.0224.76
4.4.70.0030.0234.76
4.4.60.0030.0234.75
4.4.50.0050.0244.77
4.4.40.0030.0354.71
4.4.30.0070.0184.76
4.4.20.0050.0194.84
4.4.10.0060.0184.85
4.4.00.0030.0254.76
4.3.110.0010.0184.67
4.3.100.0070.0114.67
4.3.90.0030.0194.63
4.3.80.0020.0244.58
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0020.0254.54
4.3.30.0000.0193.28
4.3.20.0020.0163.25
4.3.10.0020.0163.22
4.3.00.0070.0277.17

preferences:
41.65 ms | 401 KiB | 5 Q