3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo pack('C', 255); /* 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)
8.3.60.0090.00618.05
8.3.50.0070.01122.91
8.3.40.0100.01018.74
8.3.30.0070.00719.02
8.3.20.0050.00320.05
8.3.10.0040.00421.80
8.3.00.0040.00417.25
8.2.180.0100.01016.50
8.2.170.0140.00022.96
8.2.160.0130.00320.52
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00420.96
8.2.110.0030.00621.96
8.2.100.0080.00317.78
8.2.90.0030.00617.72
8.2.80.0060.00319.19
8.2.70.0030.00517.78
8.2.60.0040.00417.93
8.2.50.0080.00018.10
8.2.40.0060.00320.33
8.2.30.0050.00217.97
8.2.20.0000.00817.43
8.2.10.0050.00317.80
8.2.00.0030.00517.48
8.1.280.0060.01225.92
8.1.270.0080.00424.02
8.1.260.0080.00026.35
8.1.250.0140.00328.09
8.1.240.0080.00023.97
8.1.230.0040.00720.92
8.1.220.0000.00917.74
8.1.210.0060.00618.77
8.1.200.0050.00317.23
8.1.190.0060.00317.10
8.1.180.0080.00018.10
8.1.170.0030.00618.52
8.1.160.0000.00722.19
8.1.150.0040.00418.75
8.1.140.0000.00717.18
8.1.130.0000.00717.76
8.1.120.0000.00817.34
8.1.110.0000.00817.23
8.1.100.0000.00717.23
8.1.90.0040.00417.32
8.1.80.0070.00017.39
8.1.70.0000.00917.31
8.1.60.0000.00817.44
8.1.50.0000.00717.37
8.1.40.0050.00217.31
8.1.30.0030.00517.53
8.1.20.0050.00317.48
8.1.10.0030.00617.33
8.1.00.0050.00317.35
8.0.300.0070.00020.04
8.0.290.0030.00616.58
8.0.280.0000.00718.33
8.0.270.0000.00817.18
8.0.260.0000.00717.11
8.0.250.0070.00016.86
8.0.240.0030.00316.89
8.0.230.0040.00416.73
8.0.220.0030.00316.79
8.0.210.0040.00316.70
8.0.200.0060.00016.77
8.0.190.0070.00016.88
8.0.180.0070.00016.68
8.0.170.0040.00416.70
8.0.160.0070.00016.71
8.0.150.0070.00016.60
8.0.140.0020.00516.70
8.0.130.0030.00313.16
8.0.120.0060.00316.59
8.0.110.0000.00716.72
8.0.100.0000.00716.82
8.0.90.0000.00716.79
8.0.80.0070.01516.69
8.0.70.0000.00716.80
8.0.60.0040.00416.56
8.0.50.0050.00316.81
8.0.30.0110.00917.00
8.0.20.0120.00817.40
8.0.10.0080.00016.76
8.0.00.0120.00716.66
7.4.330.0000.00615.00
7.4.320.0000.00616.39
7.4.300.0030.00316.36
7.4.290.0070.00016.47
7.4.280.0000.00816.27
7.4.270.0070.00016.29
7.4.260.0070.00016.46
7.4.250.0000.00716.33
7.4.240.0070.00016.37
7.4.230.0000.00716.55
7.4.220.0100.00716.39
7.4.210.0110.00416.43
7.4.200.0090.00016.36
7.4.160.0140.00316.23
7.4.150.0070.02017.40
7.4.140.0140.00817.86
7.4.130.0080.00816.53
7.4.120.0080.00916.28
7.4.110.0120.00816.41
7.4.100.0100.01016.20
7.4.90.0070.01016.26
7.4.80.0120.00919.39
7.4.70.0100.01116.52
7.4.60.0120.00616.30
7.4.50.0000.00516.16
7.4.40.0130.00316.39
7.4.30.0130.00316.19
7.4.00.0040.00714.58
7.3.330.0020.00213.04
7.3.320.0030.00312.96
7.3.310.0030.00316.11
7.3.300.0040.00316.15
7.3.290.0100.00316.17
7.3.280.0060.00916.11
7.3.270.0030.01317.40
7.3.260.0130.01016.17
7.3.250.0070.01216.40
7.3.240.0110.01016.45
7.3.230.0160.00016.43
7.3.210.0100.00716.23
7.3.200.0150.00319.39
7.3.190.0030.01316.62
7.3.180.0080.00816.13
7.3.170.0110.00716.29
7.3.160.0060.01116.16
7.3.120.0060.00914.52
7.3.110.0100.00614.28
7.3.100.0070.01414.48
7.3.90.0080.00614.79
7.3.80.0000.01214.38
7.3.70.0100.00714.69
7.3.60.0030.00714.83
7.3.50.0040.00714.38
7.3.40.0000.01414.73
7.3.30.0060.00914.66
7.3.20.0040.01116.26
7.3.10.0100.01016.44
7.3.00.0100.00316.57
7.2.330.0090.01216.38
7.2.320.0090.00616.23
7.2.310.0000.01816.52
7.2.300.0110.00516.41
7.2.290.0130.00316.38
7.2.240.0030.01314.72
7.2.230.0120.00915.04
7.2.220.0090.00614.84
7.2.210.0030.01015.00
7.2.200.0000.01514.60
7.2.190.0000.01414.59
7.2.180.0000.01514.49
7.2.170.0110.00414.96
7.2.160.0140.00314.86
7.2.150.0040.01216.95
7.2.140.0070.01016.66
7.2.130.0060.00916.79
7.2.120.0030.00916.79
7.2.110.0080.00816.80
7.2.100.0000.01716.64
7.2.90.0060.00616.67
7.2.80.0060.01016.68
7.2.70.0060.00916.89
7.2.60.0030.00916.64
7.2.50.0110.00716.94
7.2.40.0060.00616.88
7.2.30.0110.00416.70
7.2.20.0130.00316.79
7.2.10.0060.00616.61
7.2.00.0070.00817.98
7.1.330.0040.01115.70
7.1.320.0060.00615.64
7.1.310.0060.00615.75
7.1.300.0060.01215.68
7.1.290.0100.00315.62
7.1.280.0060.00615.56
7.1.270.0030.01015.49
7.1.260.0070.00315.67
7.1.250.0100.00715.71
7.1.100.0060.01018.02
7.1.70.0030.00716.90
7.1.60.0070.01719.40
7.1.50.0060.01816.95
7.1.00.0000.08022.46
7.0.200.0040.00416.35
7.0.140.0070.06322.21
7.0.60.0070.06720.02
7.0.50.0070.06317.84
7.0.40.0030.09019.98
7.0.30.0300.06020.09
7.0.20.0070.05020.17
7.0.10.0130.07020.13
7.0.00.0000.08720.01
5.6.280.0030.07320.81
5.6.210.0030.04020.69
5.6.200.0100.04318.12
5.6.190.0070.06020.32
5.6.180.0300.06320.77
5.6.170.0270.04020.49
5.6.160.0070.08720.70
5.6.150.0030.04718.09
5.6.140.0070.08018.11
5.6.130.0170.04018.07
5.6.120.0100.07320.96
5.6.110.0170.07720.96
5.6.100.0170.05721.01
5.6.90.0130.08020.99
5.6.80.0130.07720.37
5.5.350.1430.03320.29
5.5.340.0200.05717.89
5.5.330.0100.08020.28
5.5.320.0230.04320.20
5.5.310.0270.04720.13
5.5.300.0000.06017.96
5.5.290.0030.05717.98
5.5.280.0100.08020.75
5.5.270.0100.06320.86
5.5.260.0100.07720.84
5.5.250.0200.06720.69
5.5.240.0170.08020.23
5.4.450.0770.06019.13
5.4.440.0700.06319.62
5.4.430.0870.07019.15
5.4.420.0100.05319.49
5.4.410.0870.05019.31
5.4.400.0900.05319.27
5.4.390.0770.05719.18
5.4.380.0070.06718.74
5.4.370.0100.04318.45
5.4.360.0070.04718.56
5.4.350.0090.04011.97
5.4.340.0080.03811.97
5.4.320.0090.03912.45
5.4.310.0050.03912.45
5.4.300.0070.05012.45
5.4.290.0030.04212.45
5.4.280.0050.03812.34
5.4.270.0040.03912.35
5.4.260.0080.03512.34
5.4.250.0070.03512.35
5.4.240.0060.03512.34
5.4.230.0070.04512.34
5.4.220.0060.03712.34
5.4.210.0060.03512.33
5.4.200.0040.04512.34
5.4.190.0050.03612.33
5.4.180.0060.03612.34
5.4.170.0040.03812.35
5.4.160.0020.04112.34
5.4.150.0080.03412.34
5.4.140.0060.03712.02
5.4.130.0060.03612.01
5.4.120.0060.05311.97
5.4.110.0040.05011.96
5.4.100.0030.03711.96
5.4.90.0110.03511.96
5.4.80.0070.03711.96
5.4.70.0080.03411.96
5.4.60.0060.03411.96
5.4.50.0070.05011.96
5.4.40.0090.04611.95
5.4.30.0130.04311.95
5.4.20.0070.05611.95
5.4.10.0090.05211.95
5.4.00.0110.04911.43
5.3.290.0080.03812.80
5.3.280.0070.05512.71
5.3.270.0070.05312.73
5.3.260.0050.05512.71
5.3.250.0060.06112.72
5.3.240.0080.05912.72
5.3.230.0060.05412.71
5.3.220.0060.05312.68
5.3.210.0080.05412.68
5.3.200.0050.05312.68
5.3.190.0030.05412.68
5.3.180.0050.05312.67
5.3.170.0080.05212.67
5.3.160.0090.03912.67
5.3.150.0080.05212.67
5.3.140.0120.05912.66
5.3.130.0120.06612.65
5.3.120.0080.05812.66
5.3.110.0070.04512.65
5.3.100.0090.04212.12
5.3.90.0090.05012.08
5.3.80.0070.05012.08
5.3.70.0050.05112.07
5.3.60.0080.04912.06
5.3.50.0050.04612.00
5.3.40.0030.03812.00
5.3.30.0100.03011.94
5.3.20.0050.03511.72
5.3.10.0060.03311.69
5.3.00.0050.04111.68
5.2.170.0030.0349.18
5.2.160.0040.0309.17
5.2.150.0040.0449.18
5.2.140.0070.0419.17
5.2.130.0030.0439.13
5.2.120.0040.0409.13
5.2.110.0060.0399.14
5.2.100.0040.0419.13
5.2.90.0050.0409.14
5.2.80.0060.0309.13
5.2.70.0100.0389.13
5.2.60.0060.0429.09
5.2.50.0040.0309.05
5.2.40.0040.0299.03
5.2.30.0030.0309.01
5.2.20.0020.0308.99
5.2.10.0020.0328.92
5.2.00.0030.0318.78
5.1.60.0050.0238.05
5.1.50.0030.0268.05
5.1.40.0030.0318.04
5.1.30.0030.0288.39
5.1.20.0060.0258.41
5.1.10.0030.0378.13
5.1.00.0060.0358.13
5.0.50.0030.0286.61
5.0.40.0040.0196.47
5.0.30.0040.0326.29
5.0.20.0030.0206.26
5.0.10.0030.0216.23
5.0.00.0010.0346.23
4.4.90.0030.0154.78
4.4.80.0020.0204.75
4.4.70.0020.0184.75
4.4.60.0040.0174.75
4.4.50.0030.0154.77
4.4.40.0040.0344.71
4.4.30.0020.0194.76
4.4.20.0020.0174.85
4.4.10.0010.0184.85
4.4.00.0010.0274.76
4.3.110.0040.0214.67
4.3.100.0010.0184.67
4.3.90.0050.0144.63
4.3.80.0030.0264.59
4.3.70.0050.0134.63
4.3.60.0040.0214.63
4.3.50.0020.0224.63
4.3.40.0020.0244.53
4.3.30.0030.0153.28
4.3.20.0010.0173.25
4.3.10.0040.0153.22
4.3.00.0100.0237.16

preferences:
38.01 ms | 401 KiB | 5 Q