3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(base64_encode(pack('N', 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)
8.3.60.0100.00718.18
8.3.50.0140.00322.92
8.3.40.0050.01018.63
8.3.30.0070.00718.89
8.3.20.0050.00220.31
8.3.10.0040.00421.85
8.3.00.0030.00617.38
8.2.180.0040.01116.50
8.2.170.0070.00722.96
8.2.160.0100.00320.40
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.94
8.2.110.0090.00022.09
8.2.100.0040.00819.45
8.2.90.0040.00418.91
8.2.80.0000.00717.97
8.2.70.0000.00917.38
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0070.00018.22
8.2.30.0000.00817.94
8.2.20.0000.00717.46
8.2.10.0070.00017.87
8.2.00.0040.00417.62
8.1.280.0110.00725.92
8.1.270.0080.00023.83
8.1.260.0000.00726.35
8.1.250.0070.00728.09
8.1.240.0100.00024.05
8.1.230.0050.00519.03
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0080.00017.10
8.1.180.0050.00318.10
8.1.170.0000.00818.54
8.1.160.0070.00021.88
8.1.150.0000.00818.61
8.1.140.0040.00417.20
8.1.130.0000.00617.87
8.1.120.0030.00317.33
8.1.110.0050.00217.21
8.1.100.0040.00417.23
8.1.90.0000.00717.31
8.1.80.0040.00417.37
8.1.70.0000.01017.25
8.1.60.0000.00817.46
8.1.50.0030.00617.30
8.1.40.0000.00717.43
8.1.30.0000.00817.42
8.1.20.0000.00817.36
8.1.10.0030.00517.32
8.1.00.0040.00417.39
8.0.300.0080.00018.97
8.0.290.0000.00716.63
8.0.280.0030.00318.23
8.0.270.0060.00417.13
8.0.260.0060.00017.05
8.0.250.0030.00316.77
8.0.240.0030.00316.84
8.0.230.0000.00716.76
8.0.220.0030.00316.79
8.0.210.0040.00416.77
8.0.200.0030.00616.69
8.0.190.0000.00716.77
8.0.180.0080.00016.69
8.0.170.0000.00816.67
8.0.160.0000.00716.66
8.0.150.0040.00416.66
8.0.140.0050.00216.81
8.0.130.0000.00513.17
8.0.120.0030.00616.65
8.0.110.0000.00716.76
8.0.100.0000.00716.54
8.0.90.0070.00016.71
8.0.80.0080.01416.80
8.0.70.0030.00416.58
8.0.60.0000.00816.55
8.0.50.0000.00716.63
8.0.30.0150.01016.86
8.0.20.0100.00817.40
8.0.10.0000.00816.93
8.0.00.0090.01016.59
7.4.330.0020.00215.00
7.4.320.0030.00316.39
7.4.300.0000.00616.51
7.4.290.0000.00716.49
7.4.280.0000.00816.45
7.4.270.0020.00516.52
7.4.260.0030.00316.36
7.4.250.0070.00016.38
7.4.240.0070.00016.40
7.4.230.0040.00416.57
7.4.220.0030.01516.40
7.4.210.0060.01116.57
7.4.200.0040.00416.56
7.4.160.0060.01016.29
7.4.150.0140.00917.40
7.4.140.0120.00817.86
7.4.130.0070.01016.38
7.4.120.0120.00816.46
7.4.110.0140.00416.23
7.4.100.0120.00616.13
7.4.90.0060.00916.34
7.4.80.0120.00619.39
7.4.70.0130.00616.29
7.4.60.0100.01216.39
7.4.50.0040.00016.32
7.4.40.0130.00316.33
7.4.30.0060.00916.12
7.4.00.0070.00415.02
7.3.330.0000.00613.04
7.3.320.0030.00313.05
7.3.310.0000.00716.06
7.3.300.0030.00315.98
7.3.290.0000.01616.23
7.3.280.0090.00816.19
7.3.270.0070.01117.40
7.3.260.0080.00916.05
7.3.250.0060.01116.21
7.3.240.0080.01116.11
7.3.230.0070.01016.39
7.3.210.0160.00616.15
7.3.200.0100.00719.39
7.3.190.0120.00416.26
7.3.180.0030.01316.38
7.3.170.0100.01016.28
7.3.160.0070.01516.10
7.2.330.0090.00916.27
7.2.320.0070.01016.52
7.2.310.0060.01216.37
7.2.300.0000.01616.57
7.2.290.0000.01616.51
7.2.00.0060.00918.77
7.1.100.0000.01317.94
7.1.70.0000.01017.11
7.1.60.0140.01119.40
7.1.50.0000.01516.94
7.1.00.0030.07322.40
7.0.200.0060.00316.70
7.0.140.0030.07022.10
7.0.60.0100.04319.96
7.0.50.0130.07317.80
7.0.40.0100.07720.13
7.0.30.0300.07720.21
7.0.20.0370.07320.20
7.0.10.0100.07320.12
7.0.00.0000.05320.13
5.6.280.0000.07720.85
5.6.210.0130.08020.68
5.6.200.0000.06718.12
5.6.190.0170.05320.49
5.6.180.0300.07720.43
5.6.170.0230.05020.45
5.6.160.0100.05320.48
5.6.150.0170.07018.15
5.6.140.0100.05718.17
5.6.130.0000.04718.18
5.6.120.0100.08321.03
5.6.110.0070.04020.96
5.6.100.0070.07321.13
5.6.90.0070.07021.09
5.6.80.0130.05720.43
5.5.350.0200.05720.41
5.5.340.0030.08017.91
5.5.330.0070.04720.13
5.5.320.0200.06020.29
5.5.310.0300.04020.24
5.5.300.0070.07017.88
5.5.290.0100.05717.91
5.5.280.0070.04720.86
5.5.270.0030.04320.91
5.5.260.0070.04320.85
5.5.250.0100.03320.57
5.5.240.0000.08720.23
5.4.450.1400.04319.46
5.4.440.1500.04319.43
5.4.430.1670.05319.45
5.4.420.1700.04719.13
5.4.410.1500.04719.13
5.4.400.1800.03719.17
5.4.390.1000.04319.09
5.4.380.1700.04019.25
5.4.370.1570.04019.08
5.4.360.1630.04718.91
5.4.350.1600.03019.22
5.4.340.1630.03719.22
5.4.320.1500.04019.06
5.4.310.1900.03718.77
5.4.300.0000.06319.07
5.4.290.0030.05719.08
5.4.280.1500.04319.13
5.4.270.1670.04018.81
5.4.260.1670.03318.88
5.4.250.1570.03719.13
5.4.240.0070.04718.91
5.4.230.0000.06019.23
5.4.220.0030.03719.23
5.4.210.0800.04019.24
5.4.200.0030.04718.92
5.4.190.0730.04318.80
5.4.180.0030.04318.92
5.4.170.0030.03719.12
5.4.160.1200.04019.14
5.4.150.0030.05718.75
5.4.140.0170.06316.29
5.4.130.0070.03716.16
5.4.120.1030.03316.15
5.4.110.0330.04016.34
5.4.100.0070.04016.45
5.4.90.0070.03716.41
5.4.80.0430.05016.19
5.4.70.0030.03316.45
5.4.60.0230.04016.38
5.4.50.0170.04016.31
5.4.40.0070.05316.45
5.4.30.0000.04316.41
5.4.20.0130.03016.39
5.4.10.0200.03716.16
5.4.00.0130.04015.88
5.3.290.0130.04014.61
5.3.280.0270.04014.43
5.3.270.0170.03714.55
5.3.260.0170.03714.70
5.3.250.0170.03314.48
5.3.240.0170.04714.54
5.3.230.0100.04714.53
5.3.220.0170.03314.39
5.3.210.0270.03714.51
5.3.200.0200.04314.39
5.3.190.0000.04714.51
5.3.180.0030.03714.46
5.3.170.0830.03314.50
5.3.160.0000.04014.65
5.3.150.1000.03014.57
5.3.140.1270.03714.41
5.3.130.0030.03714.59
5.3.120.0300.03014.38
5.3.110.0170.03714.38
5.3.100.0270.03714.12
5.3.90.0170.03314.03
5.3.80.0000.04314.00
5.3.70.0070.04013.86
5.3.60.0070.04313.86
5.3.50.0270.03714.03
5.3.40.0230.07013.77
5.3.30.0200.03013.76
5.3.20.0170.03313.54
5.3.10.0130.02713.59
5.3.00.0170.04013.64
5.2.170.0030.02711.21
5.2.160.0070.02311.15
5.2.150.0670.03011.20
5.2.140.0830.03011.00
5.2.130.1200.02711.04
5.2.120.1230.03011.04
5.2.110.0970.03011.12
5.2.100.0000.03011.20
5.2.90.0070.02711.17
5.2.80.0000.03010.93
5.2.70.0230.03310.93
5.2.60.0130.03711.09
5.2.50.0100.03010.86
5.2.40.0100.04010.92
5.2.30.0030.03310.80
5.2.20.0170.02011.03
5.2.10.0000.03010.82
5.2.00.0100.03010.66
5.1.60.0070.0239.96
5.1.50.0170.02010.15
5.1.40.0100.0239.84
5.1.30.0100.02710.29
5.1.20.0000.03310.24
5.1.10.0000.03010.04
5.1.00.0030.03010.11
5.0.50.0030.0178.48
5.0.40.0000.0208.38
5.0.30.0030.0338.14
5.0.20.0000.0238.12
5.0.10.0030.0178.25
5.0.00.0000.0408.06
4.4.90.0000.0238.06
4.4.80.0000.0178.06
4.4.70.0030.0178.06
4.4.60.0000.0178.06
4.4.50.0000.0208.06
4.4.40.0030.0238.06
4.4.30.0030.0138.06
4.4.20.0000.0178.06
4.4.10.0070.0108.06
4.4.00.0000.0278.06
4.3.110.0070.0138.06
4.3.100.0400.0208.06
4.3.90.0500.0178.06
4.3.80.0430.0278.06
4.3.70.0070.0138.06
4.3.60.0000.0138.06
4.3.50.0000.0208.06
4.3.40.0100.0278.06
4.3.30.0000.0178.06
4.3.20.0030.0178.06
4.3.10.0030.0138.06
4.3.00.0000.0138.06

preferences:
45.34 ms | 400 KiB | 5 Q