3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(base64_encode(pack('C8', 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)
8.3.60.0060.00918.25
8.3.50.0050.01122.82
8.3.40.0110.00418.88
8.3.30.0030.01019.08
8.3.20.0040.00420.21
8.3.10.0000.00721.93
8.3.00.0040.00417.49
8.2.180.0170.00316.50
8.2.170.0030.01022.96
8.2.160.0070.00720.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0090.00926.16
8.2.120.0050.00321.11
8.2.110.0000.00922.08
8.2.100.0070.00417.78
8.2.90.0050.00319.21
8.2.80.0000.00817.97
8.2.70.0060.00317.13
8.2.60.0000.00717.93
8.2.50.0080.00018.07
8.2.40.0040.00418.22
8.2.30.0050.00217.87
8.2.20.0030.00517.73
8.2.10.0000.00818.04
8.2.00.0050.00217.68
8.1.280.0110.00425.92
8.1.270.0040.00423.97
8.1.260.0070.00026.35
8.1.250.0110.00428.09
8.1.240.0000.00823.95
8.1.230.0060.00619.08
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0060.00317.00
8.1.180.0050.00318.10
8.1.170.0040.00418.47
8.1.160.0040.00422.00
8.1.150.0050.00318.73
8.1.140.0050.00217.20
8.1.130.0030.00317.76
8.1.120.0040.00417.33
8.1.110.0000.00817.21
8.1.100.0070.00017.27
8.1.90.0000.00717.30
8.1.80.0040.00417.39
8.1.70.0080.00317.24
8.1.60.0000.00917.45
8.1.50.0040.00417.44
8.1.40.0040.00417.48
8.1.30.0030.00617.48
8.1.20.0000.00717.50
8.1.10.0040.00417.43
8.1.00.0050.00217.38
8.0.300.0060.00319.15
8.0.290.0000.00716.75
8.0.280.0040.00418.39
8.0.270.0030.00617.19
8.0.260.0030.00317.10
8.0.250.0030.00316.98
8.0.240.0000.00616.86
8.0.230.0000.00716.91
8.0.220.0070.00016.73
8.0.210.0070.00016.89
8.0.200.0000.00716.91
8.0.190.0030.00316.83
8.0.180.0040.00416.89
8.0.170.0040.00416.83
8.0.160.0070.00016.86
8.0.150.0000.00716.73
8.0.140.0000.00716.80
8.0.130.0000.00513.31
8.0.120.0050.00316.79
8.0.110.0070.00016.90
8.0.100.0000.00716.90
8.0.90.0040.00416.96
8.0.80.0110.01116.89
8.0.70.0040.00416.69
8.0.60.0040.00417.01
8.0.50.0080.00016.74
8.0.30.0120.01117.07
8.0.20.0110.00717.40
8.0.10.0040.00416.85
8.0.00.0080.00816.57
7.4.330.0050.00015.00
7.4.320.0030.00316.46
7.4.300.0000.00616.36
7.4.290.0050.00216.48
7.4.280.0040.00416.45
7.4.270.0030.00316.36
7.4.260.0000.01016.45
7.4.250.0040.00416.34
7.4.240.0040.00316.44
7.4.230.0000.00616.18
7.4.220.0110.01516.50
7.4.210.0100.00416.48
7.4.200.0070.00016.57
7.4.160.0100.00616.16
7.4.150.0150.00317.40
7.4.140.0080.01017.86
7.4.130.0080.00816.45
7.4.120.0100.00916.36
7.4.110.0070.01116.28
7.4.100.0110.00916.27
7.4.90.0100.00616.48
7.4.80.0100.00719.39
7.4.70.0070.01016.33
7.4.60.0080.00816.32
7.4.50.0020.00216.26
7.4.40.0060.00916.43
7.4.30.0100.00516.31
7.4.00.0080.00314.96
7.3.330.0000.00612.93
7.3.320.0020.00213.00
7.3.310.0040.00416.03
7.3.300.0070.00016.19
7.3.290.0080.00616.24
7.3.280.0090.00816.17
7.3.270.0150.00317.40
7.3.260.0090.00916.43
7.3.250.0110.00516.27
7.3.240.0100.00616.33
7.3.230.0060.01116.39
7.3.210.0120.00616.21
7.3.200.0060.01219.39
7.3.190.0110.00716.21
7.3.180.0110.00416.23
7.3.170.0110.00816.27
7.3.160.0070.01016.32
7.3.120.0130.00314.68
7.3.110.0060.00914.56
7.3.100.0070.00714.42
7.3.90.0040.00714.80
7.3.80.0030.01014.55
7.3.70.0000.01314.83
7.3.60.0040.00414.37
7.3.50.0040.00714.82
7.3.40.0170.00014.71
7.3.30.0000.01314.51
7.3.20.0040.01116.51
7.3.10.0050.00916.35
7.3.00.0040.00716.39
7.2.330.0110.00716.40
7.2.320.0060.00916.27
7.2.310.0060.01016.27
7.2.300.0090.00616.10
7.2.290.0100.01016.40
7.2.250.0070.01114.55
7.2.240.0070.01014.92
7.2.230.0040.01514.55
7.2.220.0090.00314.84
7.2.210.0080.00814.56
7.2.200.0090.00614.63
7.2.190.0000.01714.99
7.2.180.0070.00714.90
7.2.170.0070.00714.84
7.2.130.0090.00316.07
7.2.120.0130.00316.39
7.2.110.0170.00616.35
7.2.100.0090.01216.47
7.2.90.0230.00316.27
7.2.80.0110.01116.19
7.2.70.0070.01116.74
7.2.60.0200.00016.36
7.2.50.0040.01216.66
7.2.40.0100.00716.47
7.2.30.0060.00916.18
7.2.20.0060.00616.41
7.2.10.0050.01516.46
7.2.00.0080.01117.78
7.1.330.0080.00815.59
7.1.320.0090.00015.53
7.1.310.0030.01015.59
7.1.300.0000.01315.34
7.1.290.0090.00615.38
7.1.280.0070.00615.54
7.1.270.0090.00615.47
7.1.260.0030.00915.70
7.1.250.0060.00915.47
7.1.200.0060.00915.68
7.1.100.0090.00318.11
7.1.70.0070.00017.13
7.1.60.0070.01017.18
7.1.50.0080.01216.88
7.1.00.0100.07022.36
7.0.200.0030.01316.69
7.0.140.0030.07722.21
7.0.60.0030.04719.89
7.0.50.0030.05017.81
7.0.40.0030.05020.40
7.0.30.0370.07320.21
7.0.20.0370.04720.30
7.0.10.0030.09720.13
7.0.00.0030.04320.17
5.6.280.0130.06321.09
5.6.210.0100.08320.75
5.6.200.0070.06318.22
5.6.190.0070.04720.41
5.6.180.0330.07320.36
5.6.170.0200.03720.45
5.6.160.0130.07020.46
5.6.150.0130.05318.14
5.6.140.0130.07718.18
5.6.130.0100.08318.21
5.6.120.0030.04321.11
5.6.110.0130.08721.08
5.6.100.0070.04721.02
5.6.90.0070.04021.05
5.6.80.0130.07320.53
5.5.350.0330.06320.39
5.5.340.0070.07318.02
5.5.330.0030.05720.21
5.5.320.4900.05020.13
5.5.310.0270.08320.50
5.5.300.0100.06318.02
5.5.290.0100.04317.98
5.5.280.0100.08020.86
5.5.270.0100.07720.77
5.5.260.0130.07320.83
5.5.250.0030.05020.49
5.5.240.0070.02720.25
5.4.450.0100.06019.25
5.4.440.0200.05319.33
5.4.430.0070.06019.45
5.4.420.0000.06319.64
5.4.410.0170.04719.39
5.4.400.0170.06019.00
5.4.390.0130.06019.13
5.4.380.0230.04718.48
5.4.370.0270.06018.74
5.4.360.0100.05718.61
5.4.350.0150.08611.97
5.4.340.0050.03611.97
5.4.320.0060.04512.45
5.4.310.0050.03812.45
5.4.300.0040.03712.45
5.4.290.0050.03812.45
5.4.280.0070.03412.34
5.4.270.0040.03712.35
5.4.260.0060.03712.34
5.4.250.0030.04012.35
5.4.240.0070.03512.35
5.4.230.0060.03812.34
5.4.220.0070.03512.34
5.4.210.0070.03412.34
5.4.200.0060.03812.34
5.4.190.0080.03412.34
5.4.180.0080.03412.34
5.4.170.0050.03712.35
5.4.160.0060.03512.34
5.4.150.0080.03912.34
5.4.140.0060.03812.02
5.4.130.0060.03512.01
5.4.120.0020.04011.97
5.4.110.0090.03311.96
5.4.100.0080.03611.96
5.4.90.0090.03511.96
5.4.80.0050.03811.96
5.4.70.0060.03411.96
5.4.60.0070.03611.96
5.4.50.0040.03711.96
5.4.40.0060.03511.95
5.4.30.0060.05011.95
5.4.20.0070.03511.95
5.4.10.0060.03911.95
5.4.00.0060.03611.43
5.3.290.0060.03912.80
5.3.280.0070.03712.71
5.3.270.0080.03712.72
5.3.260.0050.04412.71
5.3.250.0080.04412.72
5.3.240.0060.03712.72
5.3.230.0100.04812.71
5.3.220.0070.05412.68
5.3.210.0060.04012.68
5.3.200.0040.03912.68
5.3.190.0090.03512.68
5.3.180.0130.04612.68
5.3.170.0060.03512.66
5.3.160.0070.03712.68
5.3.150.0030.04212.68
5.3.140.0070.03712.66
5.3.130.0060.03812.66
5.3.120.0060.03912.66
5.3.110.0090.03612.66
5.3.100.0050.03712.12
5.3.90.0040.05012.08
5.3.80.0070.03812.07
5.3.70.0060.04312.08
5.3.60.0070.03512.07
5.3.50.0050.03812.00
5.3.40.0070.03512.00
5.3.30.0030.04311.94
5.3.20.0090.04111.72
5.3.10.0080.04511.69
5.3.00.0040.03811.67
5.2.170.0040.0349.18
5.2.160.0050.0299.18
5.2.150.0050.0319.18
5.2.140.0050.0349.17
5.2.130.0040.0309.14
5.2.120.0070.0269.14
5.2.110.0040.0299.14
5.2.100.0050.0289.14
5.2.90.0050.0299.14
5.2.80.0040.0319.13
5.2.70.0030.0329.13
5.2.60.0040.0319.09
5.2.50.0040.0309.05
5.2.40.0030.0319.03
5.2.30.0060.0289.00
5.2.20.0050.0309.00
5.2.10.0040.0298.91
5.2.00.0050.0298.77
5.1.60.0030.0248.06
5.1.50.0050.0248.05
5.1.40.0020.0278.04
5.1.30.0030.0268.39
5.1.20.0030.0268.41
5.1.10.0020.0288.13
5.1.00.0050.0318.14
5.0.50.0040.0206.61
5.0.40.0060.0166.48
5.0.30.0020.0336.28
5.0.20.0010.0226.26
5.0.10.0010.0226.24
5.0.00.0030.0316.23
4.4.90.0030.0154.78
4.4.80.0040.0144.75
4.4.70.0030.0154.76
4.4.60.0060.0184.75
4.4.50.0030.0224.77
4.4.40.0040.0334.70
4.4.30.0040.0184.76
4.4.20.0020.0164.85
4.4.10.0030.0154.85
4.4.00.0010.0274.76
4.3.110.0020.0174.66
4.3.100.0030.0154.67
4.3.90.0000.0174.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0010.0164.63
4.3.50.0010.0174.62
4.3.40.0030.0254.53
4.3.30.0010.0173.27
4.3.20.0030.0173.26
4.3.10.0020.0153.21
4.3.00.0030.0207.13

preferences:
53.08 ms | 401 KiB | 5 Q