3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(); $packed = pack('N', 32767); for ($i=0; $i<length($packed); $i++) { $arr[$i] = $packed[$i]; } print_r($arr); /* function pack_encode($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)
8.3.60.0070.00718.42
8.3.50.0120.00319.78
8.3.40.0110.00418.98
8.3.30.0110.00319.23
8.3.20.0040.00420.16
8.3.10.0040.00421.76
8.3.00.0000.00817.63
8.2.180.0100.01016.38
8.2.170.0070.00722.96
8.2.160.0100.00320.39
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0040.00420.86
8.2.110.0030.00621.96
8.2.100.0070.00417.72
8.2.90.0000.00719.23
8.2.80.0040.00417.97
8.2.70.0000.00917.38
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0050.00217.89
8.2.20.0050.00317.70
8.2.10.0030.00518.02
8.2.00.0050.00217.66
8.1.280.0040.01125.92
8.1.270.0040.00423.84
8.1.260.0000.00726.35
8.1.250.0070.00728.09
8.1.240.0040.00423.97
8.1.230.0000.01219.05
8.1.220.0000.00817.79
8.1.210.0000.01018.77
8.1.200.0060.00317.22
8.1.190.0040.00417.35
8.1.180.0000.00918.10
8.1.170.0000.00818.20
8.1.160.0040.00421.86
8.1.150.0050.00218.78
8.1.140.0000.00717.41
8.1.130.0000.00817.82
8.1.120.0000.00717.47
8.1.110.0040.00417.32
8.1.100.0000.00717.38
8.1.90.0000.00717.41
8.1.80.0040.00417.30
8.1.70.0040.00417.39
8.1.60.0040.00417.41
8.1.50.0040.00417.52
8.1.40.0050.00217.41
8.1.30.0030.00617.63
8.1.20.0040.00417.51
8.1.10.0050.00217.59
8.1.00.0030.00517.38
8.0.300.0040.00318.77
8.0.290.0040.00416.63
8.0.280.0070.00018.34
8.0.270.0090.00017.25
8.0.260.0000.00717.20
8.0.250.0000.00716.90
8.0.240.0040.00416.88
8.0.230.0030.00316.97
8.0.220.0000.00716.89
8.0.210.0070.00016.92
8.0.200.0040.00416.89
8.0.190.0000.00716.99
8.0.180.0000.00716.98
8.0.170.0000.00716.79
8.0.160.0030.00316.91
8.0.150.0030.00316.79
8.0.140.0000.00716.75
8.0.130.0000.00513.41
8.0.120.0050.00316.78
8.0.110.0040.00416.91
8.0.100.0070.00016.84
8.0.90.0030.00316.94
8.0.80.0100.01016.88
8.0.70.0070.00016.96
8.0.60.0040.00416.90
8.0.50.0040.00416.77
8.0.30.0100.01216.93
8.0.20.0090.00917.40
8.0.10.0000.00816.92
8.0.00.0130.00416.58
7.4.330.0060.00015.02
7.4.320.0000.00616.51
7.4.300.0000.00616.57
7.4.290.0070.00016.56
7.4.280.0030.00616.50
7.4.270.0030.00316.62
7.4.260.0040.00816.40
7.4.250.0000.00816.47
7.4.240.0040.00416.51
7.4.230.0030.00316.68
7.4.220.0120.00616.59
7.4.210.0070.00716.61
7.4.200.0030.00316.40
7.4.160.0040.01816.43
7.4.150.0060.01117.40
7.4.140.0220.01417.86
7.4.130.0060.01116.50
7.4.120.0100.00916.52
7.4.110.0160.00016.54
7.4.100.0140.01016.64
7.4.90.0070.01016.55
7.4.80.0070.01019.39
7.4.70.0080.00816.49
7.4.60.0110.00616.27
7.4.50.0000.00916.44
7.4.40.0130.00316.57
7.4.30.0100.01016.54
7.4.00.0130.00315.05
7.3.330.0060.00013.01
7.3.320.0020.00212.98
7.3.310.0000.00716.22
7.3.300.0040.00416.18
7.3.290.0060.00916.22
7.3.280.0060.01116.27
7.3.270.0110.00717.40
7.3.260.0130.00316.20
7.3.250.0070.01016.28
7.3.240.0070.01016.45
7.3.230.0000.01716.45
7.3.210.0060.01616.37
7.3.200.0130.00919.39
7.3.190.0070.01016.52
7.3.180.0070.01116.50
7.3.170.0170.00016.42
7.3.160.0180.00516.60
7.2.330.0140.00416.29
7.2.320.0080.00816.51
7.2.310.0080.00916.55
7.2.300.0100.00616.46
7.2.290.0160.00616.68
7.2.60.0100.00316.96
7.2.00.0060.00319.48
7.1.200.0030.00915.41
7.1.100.0080.00318.02
7.1.70.0040.00417.19
7.1.60.0140.01119.40
7.1.50.0110.00416.80
7.1.00.0000.08022.40
7.0.200.0000.00716.80
7.0.140.0000.07322.09
7.0.60.0070.08719.90
7.0.50.0100.07717.79
7.0.40.0070.04719.90
7.0.30.0400.06320.20
7.0.20.0170.08720.18
7.0.10.0100.05320.02
7.0.00.0070.06719.96
5.6.280.0070.07020.77
5.6.210.0130.06720.50
5.6.200.0030.07718.10
5.6.190.0030.09020.43
5.6.180.0270.05020.63
5.6.170.0130.07320.50
5.6.160.0070.08320.40
5.6.150.0100.08018.16
5.6.140.0070.03318.21
5.6.130.0100.07718.11
5.6.120.0130.08020.99
5.6.110.0100.08321.11
5.6.100.0130.08020.95
5.6.90.0030.09321.03
5.6.80.0100.04320.50
5.5.350.0200.04020.41
5.5.340.0130.07017.89
5.5.330.0100.04020.48
5.5.320.0370.07020.30
5.5.310.0170.06720.20
5.5.300.0130.07317.96
5.5.290.0170.04718.01
5.5.280.0100.06320.96
5.5.270.0030.09020.63
5.5.260.0070.08320.67
5.5.250.0270.06320.45
5.5.240.0000.08020.26
5.4.450.0900.05319.54
5.4.440.0570.06719.52
5.4.430.0830.06019.48
5.4.420.0670.05719.16
5.4.410.0870.06019.31
5.4.400.0400.05318.75
5.4.390.0300.07018.50
5.4.380.0100.05718.77
5.4.370.0230.03318.59
5.4.360.0100.04018.70
5.4.350.0060.04911.98
5.4.340.0070.04311.98
5.4.320.0050.04112.46
5.4.310.0070.03812.45
5.4.300.0060.03712.45
5.4.290.0070.03712.45
5.4.280.0060.03512.35
5.4.270.0050.04512.35
5.4.260.0140.04812.35
5.4.250.0080.05012.35
5.4.240.0090.05012.35
5.4.230.0070.06012.34
5.4.220.0070.06812.34
5.4.210.0090.06012.34
5.4.200.0080.06812.34
5.4.190.0120.06012.34
5.4.180.0080.05012.34
5.4.170.0080.05112.35
5.4.160.0120.04512.35
5.4.150.0050.03912.34
5.4.140.0050.04012.02
5.4.130.0110.03812.01
5.4.120.0110.04411.97
5.4.110.0110.03811.96
5.4.100.0090.04111.97
5.4.90.0100.04711.96
5.4.80.0130.05311.96
5.4.70.0100.04511.96
5.4.60.0080.04011.96
5.4.50.0070.03811.96
5.4.40.0050.03611.95
5.4.30.0010.04211.95
5.4.20.0050.04211.95
5.4.10.0050.03711.95
5.4.00.0050.03811.44
5.3.290.0050.04012.80
5.3.280.0100.03512.71
5.3.270.0060.04012.72
5.3.260.0050.04012.72
5.3.250.0060.03912.72
5.3.240.0110.05712.72
5.3.230.0090.05512.71
5.3.220.0090.05512.68
5.3.210.0080.05512.68
5.3.200.0080.05312.68
5.3.190.0090.06012.68
5.3.180.0100.05012.67
5.3.170.0100.04212.67
5.3.160.0040.04112.68
5.3.150.0080.05312.67
5.3.140.0090.05012.66
5.3.130.0060.05312.66
5.3.120.0090.03612.66
5.3.110.0050.04112.66
5.3.100.0070.03612.11
5.3.90.0070.03612.08
5.3.80.0070.03712.07
5.3.70.0070.03512.07
5.3.60.0100.03312.06
5.3.50.0060.03612.00
5.3.40.0040.04512.00
5.3.30.0100.03411.95
5.3.20.0080.03311.72
5.3.10.0050.03611.69
5.3.00.0070.03811.68
5.2.170.0050.0319.18
5.2.160.0030.0319.18
5.2.150.0040.0339.18
5.2.140.0030.0399.18
5.2.130.0060.0289.14
5.2.120.0040.0309.14
5.2.110.0030.0319.15
5.2.100.0070.0279.14
5.2.90.0050.0309.14
5.2.80.0080.0299.14
5.2.70.0020.0349.14
5.2.60.0060.0419.09
5.2.50.0050.0299.06
5.2.40.0070.0269.04
5.2.30.0030.0329.01
5.2.20.0050.0289.00
5.2.10.0070.0378.92
5.2.00.0040.0388.79
5.1.60.0010.0298.07
5.1.50.0020.0378.07
5.1.40.0050.0358.04
5.1.30.0080.0358.39
5.1.20.0050.0268.42
5.1.10.0050.0318.14
5.1.00.0050.0278.14
5.0.50.0020.0256.62
5.0.40.0040.0206.48
5.0.30.0050.0306.29
5.0.20.0020.0296.26
5.0.10.0050.0296.24
5.0.00.0070.0396.24
4.4.90.0040.0234.78
4.4.80.0030.0234.75
4.4.70.0020.0234.75
4.4.60.0010.0224.76
4.4.50.0010.0174.77
4.4.40.0050.0304.71
4.4.30.0020.0164.76
4.4.20.0000.0184.84
4.4.10.0040.0154.85
4.4.00.0030.0254.76
4.3.110.0050.0204.66
4.3.100.0020.0154.67
4.3.90.0030.0144.63
4.3.80.0040.0254.59
4.3.70.0010.0154.63
4.3.60.0030.0174.63
4.3.50.0020.0234.63
4.3.40.0030.0244.54
4.3.30.0030.0153.28
4.3.20.0020.0163.26
4.3.10.0020.0163.22
4.3.00.0000.0237.20

preferences:
60.28 ms | 400 KiB | 5 Q