3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(); $packed = pack('N', 32767); for ($i=0; $i<strlen($packed); $i++) { $arr[$i] = ord($packed[$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)
8.3.40.0040.01118.42
8.3.30.0070.00718.97
8.3.20.0000.00820.04
8.3.10.0030.00523.66
8.3.00.0040.00417.63
8.2.170.0040.01122.96
8.2.160.0080.00620.21
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.99
8.2.110.0030.00620.75
8.2.100.0050.00517.84
8.2.90.0000.01019.08
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0000.00718.09
8.2.30.0000.00818.12
8.2.20.0000.00717.73
8.2.10.0000.00818.12
8.2.00.0060.00317.75
8.1.270.0080.00023.92
8.1.260.0050.00226.35
8.1.250.0080.00028.09
8.1.240.0030.00723.86
8.1.230.0000.01322.66
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0000.01017.23
8.1.190.0040.00417.13
8.1.180.0000.00818.10
8.1.170.0050.00318.52
8.1.160.0030.00621.88
8.1.150.0040.00418.87
8.1.140.0000.00717.29
8.1.130.0080.00017.89
8.1.120.0000.00717.48
8.1.110.0000.00817.44
8.1.100.0000.00717.43
8.1.90.0050.00317.30
8.1.80.0040.00417.47
8.1.70.0030.00617.34
8.1.60.0050.00317.52
8.1.50.0030.00517.38
8.1.40.0050.00317.45
8.1.30.0000.00817.57
8.1.20.0090.00017.56
8.1.10.0070.00017.63
8.1.00.0040.00417.50
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0000.00718.36
8.0.270.0030.00717.19
8.0.260.0000.00617.25
8.0.250.0040.00416.75
8.0.240.0030.00316.91
8.0.230.0000.00716.88
8.0.220.0030.00316.75
8.0.210.0040.00416.81
8.0.200.0030.00516.89
8.0.190.0070.00016.94
8.0.180.0040.00416.89
8.0.170.0060.00316.75
8.0.160.0050.00316.71
8.0.150.0030.00516.67
8.0.140.0040.00416.77
8.0.130.0030.00313.36
8.0.120.0060.00316.84
8.0.110.0000.00816.79
8.0.100.0080.00016.62
8.0.90.0030.00316.91
8.0.80.0090.01116.77
8.0.70.0000.00716.86
8.0.60.0040.00416.64
8.0.50.0040.00416.70
8.0.30.0080.01316.97
8.0.20.0140.00617.40
8.0.10.0080.00016.82
8.0.00.0070.01016.56
7.4.330.0000.00515.08
7.4.320.0030.00316.38
7.4.300.0000.00616.44
7.4.290.0070.00016.53
7.4.280.0030.00616.43
7.4.270.0040.00416.58
7.4.260.0000.00716.57
7.4.250.0040.00416.46
7.4.240.0030.00316.44
7.4.230.0070.00016.52
7.4.220.0090.00916.48
7.4.210.0120.00316.53
7.4.200.0070.00016.57
7.4.160.0110.00716.66
7.4.150.0110.00717.40
7.4.140.0130.01017.86
7.4.130.0120.00516.49
7.4.120.0130.00516.56
7.4.110.0060.01016.49
7.4.100.0110.00816.36
7.4.90.0100.00716.51
7.4.80.0140.00819.39
7.4.70.0130.00316.48
7.4.60.0100.00716.44
7.4.50.0060.00016.43
7.4.40.0100.00716.45
7.4.30.0100.00616.54
7.4.00.0060.00615.08
7.3.330.0000.00513.09
7.3.320.0050.00013.27
7.3.310.0000.00716.46
7.3.300.0000.00616.37
7.3.290.0120.00616.27
7.3.280.0110.00516.31
7.3.270.0130.00617.40
7.3.260.0100.00716.32
7.3.250.0110.00716.63
7.3.240.0130.00716.38
7.3.230.0100.01016.43
7.3.210.0030.02016.54
7.3.200.0120.01219.39
7.3.190.0140.00316.45
7.3.180.0090.00616.31
7.3.170.0100.00616.34
7.3.160.0130.01016.54
7.2.330.0070.01416.44
7.2.320.0130.00316.63
7.2.310.0070.01016.67
7.2.300.0090.01216.73
7.2.290.0080.00816.40
7.2.00.0000.01219.15
7.1.200.0030.00615.97
7.1.100.0000.00818.23
7.1.70.0030.00617.37
7.1.60.0070.01619.40
7.1.50.0030.01916.95
7.1.00.0030.07722.31
7.0.200.0000.00716.74
7.0.140.0070.06721.95
7.0.60.0000.04319.91
7.0.50.0070.07317.85
7.0.40.0100.06320.18
7.0.30.0330.07320.15
7.0.20.0300.04320.37
7.0.10.0200.07320.30
7.0.00.0070.06020.17
5.6.280.0000.07721.06
5.6.210.0030.08320.72
5.6.200.0030.06018.18
5.6.190.0100.07020.65
5.6.180.0130.05720.62
5.6.170.0030.05020.56
5.6.160.0100.07020.49
5.6.150.0000.08318.15
5.6.140.0100.07718.18
5.6.130.0070.03718.22
5.6.120.0030.06020.99
5.6.110.0070.04020.98
5.6.100.0170.06321.12
5.6.90.0100.08020.97
5.6.80.0130.06720.35
5.5.350.0200.08320.32
5.5.340.0070.05018.05
5.5.330.0070.04320.21
5.5.320.0170.06320.31
5.5.310.0330.04320.37
5.5.300.0070.06717.98
5.5.290.0030.08318.04
5.5.280.0030.08720.88
5.5.270.0070.03720.64
5.5.260.0030.08320.77
5.5.250.0070.05320.70
5.5.240.0030.07320.25
5.4.450.0930.04319.43
5.4.440.0730.06019.55
5.4.430.0530.06319.21
5.4.420.1070.06719.63
5.4.410.0370.05319.38
5.4.400.0300.05318.84
5.4.390.0400.05718.61
5.4.380.0170.05318.74
5.4.370.0070.05018.60
5.4.360.0100.03718.79
5.4.350.0100.07012.00
5.4.340.0090.04512.00
5.4.320.0070.03612.48
5.4.310.0080.03612.48
5.4.300.0060.03812.48
5.4.290.0080.04912.48
5.4.280.0060.03812.38
5.4.270.0070.03612.38
5.4.260.0050.04212.38
5.4.250.0080.04212.38
5.4.240.0080.04712.38
5.4.230.0110.04912.37
5.4.220.0060.05512.37
5.4.210.0100.04812.37
5.4.200.0050.05412.37
5.4.190.0050.03812.36
5.4.180.0060.05512.37
5.4.170.0110.03912.38
5.4.160.0030.05412.37
5.4.150.0050.04312.37
5.4.140.0050.03812.05
5.4.130.0060.03512.04
5.4.120.0070.03512.00
5.4.110.0050.03712.00
5.4.100.0050.03711.99
5.4.90.0100.03311.99
5.4.80.0060.03711.99
5.4.70.0060.03411.99
5.4.60.0040.03611.99
5.4.50.0050.03611.98
5.4.40.0090.04011.98
5.4.30.0080.03311.97
5.4.20.0100.03111.97
5.4.10.0040.03811.98
5.4.00.0080.03511.47
5.3.290.0060.04212.80
5.3.280.0090.03612.71
5.3.270.0080.03812.72
5.3.260.0050.04212.72
5.3.250.0050.04112.71
5.3.240.0070.03812.72
5.3.230.0030.04212.71
5.3.220.0060.03812.68
5.3.210.0090.03712.68
5.3.200.0060.03712.68
5.3.190.0030.04112.67
5.3.180.0050.03812.67
5.3.170.0040.03912.67
5.3.160.0060.04312.67
5.3.150.0060.03912.67
5.3.140.0040.03912.66
5.3.130.0070.03812.66
5.3.120.0070.04412.66
5.3.110.0060.04212.66
5.3.100.0040.03812.12
5.3.90.0100.03712.09
5.3.80.0080.04212.08
5.3.70.0070.03612.08
5.3.60.0050.03812.06
5.3.50.0050.03812.01
5.3.40.0080.04912.01
5.3.30.0050.05311.97
5.3.20.0060.03711.75
5.3.10.0090.03211.72
5.3.00.0060.03711.70
5.2.170.0040.0349.20
5.2.160.0060.0379.21
5.2.150.0070.0419.21
5.2.140.0070.0409.20
5.2.130.0110.0529.16
5.2.120.0090.0279.16
5.2.110.0060.0289.17
5.2.100.0080.0319.17
5.2.90.0060.0319.17
5.2.80.0030.0319.16
5.2.70.0060.0439.16
5.2.60.0090.0419.12
5.2.50.0060.0329.08
5.2.40.0050.0359.06
5.2.30.0030.0329.04
5.2.20.0030.0319.02
5.2.10.0070.0278.93
5.2.00.0050.0298.79
5.1.60.0100.0248.08
5.1.50.0050.0338.08
5.1.40.0060.0318.06
5.1.30.0040.0288.41
5.1.20.0030.0278.43
5.1.10.0020.0288.15
5.1.00.0060.0238.15
5.0.50.0040.0206.63
5.0.40.0070.0166.50
5.0.30.0050.0306.30
5.0.20.0060.0236.27
5.0.10.0040.0236.25
5.0.00.0080.0266.24
4.4.90.0060.0184.78
4.4.80.0020.0194.76
4.4.70.0020.0214.76
4.4.60.0020.0224.76
4.4.50.0060.0204.77
4.4.40.0050.0364.71
4.4.30.0080.0314.75
4.4.20.0040.0224.84
4.4.10.0030.0164.85
4.4.00.0040.0244.76
4.3.110.0030.0154.67
4.3.100.0010.0184.66
4.3.90.0000.0244.63
4.3.80.0040.0244.59
4.3.70.0040.0214.63
4.3.60.0040.0164.63
4.3.50.0020.0234.63
4.3.40.0030.0254.54
4.3.30.0010.0173.30
4.3.20.0010.0233.27
4.3.10.0020.0163.23
4.3.00.0130.0237.20

preferences:
36.94 ms | 400 KiB | 5 Q