3v4l.org

run code in 300+ PHP versions simultaneously
<?php function pack_encode($val) { $str = ''; while ($val > 0) { $str .= chr($val & 0xFF); $val = $val >> 8; } // "/" json-encodes poorly and "=" is padding return str_replace( array('/', '='), array('_', ''), base64_encode($str) ); } for ($i=0; $i<32; $i++) { echo pack_encode($i*1024*1024*64) . "\n"; } /* $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)
8.3.60.0110.00718.52
8.3.50.0210.00922.98
8.3.40.0070.00718.80
8.3.30.0110.00418.95
8.3.20.0050.00220.34
8.3.10.0080.00021.59
8.3.00.0080.00017.46
8.2.180.0090.00618.33
8.2.170.0090.00622.96
8.2.160.0040.00920.16
8.2.150.0050.00224.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0080.00020.98
8.2.110.0070.00421.95
8.2.100.0120.00018.03
8.2.90.0090.00019.34
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0040.00418.03
8.2.50.0050.00318.07
8.2.40.0000.00818.03
8.2.30.0000.00718.19
8.2.20.0040.00417.72
8.2.10.0040.00418.18
8.2.00.0040.00417.64
8.1.280.0060.00925.92
8.1.270.0040.00423.96
8.1.260.0070.00026.35
8.1.250.0060.00928.09
8.1.240.0060.00323.90
8.1.230.0130.00018.97
8.1.220.0000.00717.79
8.1.210.0060.00318.77
8.1.200.0060.00317.38
8.1.190.0000.00817.23
8.1.180.0080.00018.10
8.1.170.0040.00418.61
8.1.160.0000.00722.01
8.1.150.0040.00418.92
8.1.140.0040.00417.45
8.1.130.0000.00717.86
8.1.120.0000.00817.44
8.1.110.0030.00517.46
8.1.100.0030.00317.50
8.1.90.0000.00717.45
8.1.80.0000.00717.35
8.1.70.0060.00317.30
8.1.60.0000.00817.55
8.1.50.0040.00417.55
8.1.40.0040.00417.39
8.1.30.0040.00417.65
8.1.20.0060.00317.54
8.1.10.0000.00717.48
8.1.00.0000.00817.32
8.0.300.0030.00318.77
8.0.290.0040.00416.75
8.0.280.0070.00018.44
8.0.270.0000.00817.25
8.0.260.0000.00717.13
8.0.250.0030.00316.83
8.0.240.0000.00716.90
8.0.230.0050.00216.99
8.0.220.0000.00716.89
8.0.210.0070.00016.89
8.0.200.0030.00317.00
8.0.190.0000.00716.95
8.0.180.0030.00616.82
8.0.170.0040.00416.88
8.0.160.0000.00716.77
8.0.150.0000.00716.91
8.0.140.0040.00416.88
8.0.130.0030.00313.25
8.0.120.0030.00616.74
8.0.110.0040.00416.72
8.0.100.0040.00416.66
8.0.90.0050.00216.95
8.0.80.0090.00616.85
8.0.70.0030.00516.82
8.0.60.0040.00416.72
8.0.50.0060.00316.78
8.0.30.0070.01817.22
8.0.20.0070.01217.40
8.0.10.0040.00416.98
8.0.00.0080.01216.69
7.4.330.0000.00615.07
7.4.320.0060.00016.47
7.4.300.0000.00716.45
7.4.290.0000.00716.43
7.4.280.0040.00416.48
7.4.270.0000.00716.61
7.4.260.0030.00316.52
7.4.250.0070.00016.55
7.4.240.0070.00016.51
7.4.230.0030.00316.50
7.4.220.0060.01316.44
7.4.210.0070.00716.45
7.4.200.0000.00816.34
7.4.160.0060.01016.29
7.4.150.0090.00917.40
7.4.140.0160.00617.86
7.4.130.0160.01416.51
7.4.120.0130.00316.54
7.4.110.0080.00816.43
7.4.100.0100.01016.46
7.4.90.0090.00916.52
7.4.80.0060.01019.39
7.4.70.0150.00316.39
7.4.60.0080.00816.49
7.4.50.0000.00716.43
7.4.40.0100.00716.28
7.4.30.0160.00016.68
7.4.00.0090.00614.91
7.3.330.0060.00013.30
7.3.320.0050.00013.10
7.3.310.0000.00716.15
7.3.300.0030.00316.15
7.3.290.0090.00616.30
7.3.280.0060.01216.31
7.3.270.0090.00917.40
7.3.260.0110.00616.54
7.3.250.0120.00516.55
7.3.240.0030.01316.41
7.3.230.0100.01316.58
7.3.210.0080.00816.38
7.3.200.0030.01419.39
7.3.190.0080.00816.62
7.3.180.0130.00316.30
7.3.170.0040.01216.41
7.3.160.0110.00616.49
7.2.330.0150.00616.53
7.2.320.0030.01616.93
7.2.310.0120.01216.78
7.2.300.0100.00716.77
7.2.290.0110.00616.64
7.2.60.0090.00317.07
7.1.200.0090.00315.89
7.1.100.0070.00317.82
7.1.70.0070.00317.33
7.1.60.0100.01419.40
7.1.50.0070.01317.05
7.1.00.0030.07722.36
7.0.200.0030.00316.76
7.0.140.0000.07722.09
7.0.60.0030.06719.96
7.0.50.0070.06317.89
7.0.40.0070.06020.16
7.0.30.0230.03720.30
7.0.20.0330.07720.16
7.0.10.0100.06720.02
7.0.00.0130.04320.07
5.6.280.0070.05721.13
5.6.210.0130.07320.77
5.6.200.0000.05318.23
5.6.190.0030.09320.52
5.6.180.0170.04720.49
5.6.170.0370.06720.51
5.6.160.0100.07720.46
5.6.150.0030.08018.22
5.6.140.0170.05318.21
5.6.130.0100.06018.20
5.6.120.0070.04021.02
5.6.110.0130.07721.12
5.6.100.0030.08321.00
5.6.90.0100.03721.13
5.6.80.0200.06720.26
5.5.350.0230.08320.41
5.5.340.0000.07317.99
5.5.330.0130.07320.37
5.5.320.0200.03320.35
5.5.310.0270.08020.20
5.5.300.0100.07017.92
5.5.290.0100.03717.98
5.5.280.0100.07020.65
5.5.270.0070.05720.68
5.5.260.0030.05320.65
5.5.250.0030.05320.69
5.5.240.0000.04020.27
5.4.450.0730.06019.57
5.4.440.0270.04719.29
5.4.430.0230.04719.66
5.4.420.0170.05319.50
5.4.410.0200.05019.32
5.4.400.0600.06318.87
5.4.390.0900.04718.79
5.4.380.0070.05718.75
5.4.370.0070.04018.77
5.4.360.0030.04018.56
5.4.350.0230.07712.02
5.4.340.0080.03812.02
5.4.320.0080.04212.50
5.4.310.0080.03612.50
5.4.300.0050.04312.50
5.4.290.0080.03612.50
5.4.280.0080.05012.40
5.4.270.0100.03812.40
5.4.260.0070.04112.39
5.4.250.0060.04512.40
5.4.240.0080.04412.40
5.4.230.0040.05312.39
5.4.220.0050.04212.39
5.4.210.0090.03412.39
5.4.200.0100.03512.39
5.4.190.0080.03512.39
5.4.180.0080.03512.39
5.4.170.0020.04112.39
5.4.160.0040.04512.39
5.4.150.0020.03912.39
5.4.140.0060.03912.07
5.4.130.0080.03512.05
5.4.120.0090.04612.02
5.4.110.0060.04012.01
5.4.100.0090.03312.02
5.4.90.0030.04012.01
5.4.80.0060.05412.01
5.4.70.0070.05012.01
5.4.60.0110.04612.01
5.4.50.0080.05112.01
5.4.40.0070.04312.00
5.4.30.0070.05011.99
5.4.20.0130.03912.00
5.4.10.0050.04011.99
5.4.00.0050.03611.48
5.3.290.0080.03812.80
5.3.280.0040.03912.70
5.3.270.0040.04112.72
5.3.260.0060.04612.72
5.3.250.0080.03612.72
5.3.240.0080.03912.72
5.3.230.0080.04412.71
5.3.220.0080.04212.68
5.3.210.0070.04012.68
5.3.200.0070.03512.68
5.3.190.0060.03812.68
5.3.180.0080.03412.67
5.3.170.0060.03712.66
5.3.160.0070.04312.67
5.3.150.0090.04212.68
5.3.140.0140.07612.66
5.3.130.0090.06312.66
5.3.120.0150.05212.66
5.3.110.0090.05412.66
5.3.100.0090.05112.12
5.3.90.0090.04312.10
5.3.80.0060.03812.09
5.3.70.0080.03412.09
5.3.60.0070.04912.07
5.3.50.0080.05512.02
5.3.40.0080.05112.02
5.3.30.0090.03411.98
5.3.20.0070.03811.77
5.3.10.0060.03611.73
5.3.00.0060.03611.71
5.2.170.0060.0349.21
5.2.160.0070.0429.22
5.2.150.0060.0449.22
5.2.140.0100.0429.21
5.2.130.0070.0409.17
5.2.120.0110.0369.18
5.2.110.0030.0569.18
5.2.100.0070.0389.18
5.2.90.0080.0329.18
5.2.80.0050.0439.17
5.2.70.0050.0419.17
5.2.60.0100.0299.13
5.2.50.0030.0529.10
5.2.40.0140.0469.07
5.2.30.0050.0449.05
5.2.20.0100.0299.04
5.2.10.0070.0378.94
5.2.00.0090.0358.80
5.1.60.0050.0368.09
5.1.50.0070.0348.09
5.1.40.0060.0348.06
5.1.30.0030.0318.41
5.1.20.0080.0318.44
5.1.10.0020.0338.16
5.1.00.0020.0298.17
5.0.50.0040.0216.64
5.0.40.0040.0206.50
5.0.30.0050.0316.31
5.0.20.0060.0186.28
5.0.10.0040.0206.26
5.0.00.0050.0306.25
4.4.90.0020.0164.78
4.4.80.0060.0134.75
4.4.70.0050.0144.75
4.4.60.0050.0194.75
4.4.50.0030.0164.77
4.4.40.0020.0284.71
4.4.30.0040.0154.76
4.4.20.0010.0194.84
4.4.10.0060.0134.85
4.4.00.0010.0274.76
4.3.110.0040.0214.67
4.3.100.0030.0214.67
4.3.90.0050.0134.64
4.3.80.0020.0254.58
4.3.70.0020.0224.63
4.3.60.0050.0144.63
4.3.50.0030.0154.63
4.3.40.0020.0304.54
4.3.30.0050.0143.30
4.3.20.0020.0173.28
4.3.10.0050.0203.24
4.3.00.0170.0207.15

preferences:
41.64 ms | 401 KiB | 5 Q