3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { $bin = ''; while ($val > 0) { $bin .= chr($val & 0xFF); $val >>= 8; } return str_replace(array('/', '='), array('_', ''), base64_encode($bin)); } function gdr_decode($str) { $bin = base64_decode(str_replace('_', '/', $str)); $val = 0; for ($i=strlen($bin)-1; $i>=0; $i--) { $val |= ord($bin[$i]) << $i*8; } return $val; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if ($val === $dec) { echo "$enc $val\n"; } else { echo "$enc $valĀ ERROR: gdr_decode($enc) == $dec\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)
8.3.60.0060.01218.55
8.3.50.0130.00522.80
8.3.40.0060.00918.74
8.3.30.0040.01119.18
8.3.20.0040.00420.27
8.3.10.0050.00321.87
8.3.00.0080.00017.63
8.2.180.0150.00016.50
8.2.170.0110.00322.96
8.2.160.0070.00720.35
8.2.150.0000.00724.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00921.02
8.2.110.0030.00620.38
8.2.100.0080.00417.91
8.2.90.0060.00319.21
8.2.80.0000.00817.97
8.2.70.0030.00517.50
8.2.60.0040.00418.03
8.2.50.0080.00018.07
8.2.40.0000.00818.16
8.2.30.0040.00418.07
8.2.20.0040.00417.68
8.2.10.0050.00218.08
8.2.00.0030.00517.70
8.1.280.0070.00725.92
8.1.270.0030.00623.84
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00822.05
8.1.230.0080.00422.15
8.1.220.0030.00517.79
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0050.00318.68
8.1.160.0000.00722.08
8.1.150.0030.00518.80
8.1.140.0040.00417.40
8.1.130.0030.00517.83
8.1.120.0070.00017.52
8.1.110.0000.00817.45
8.1.100.0000.00717.46
8.1.90.0040.00417.34
8.1.80.0050.00217.48
8.1.70.0070.00417.45
8.1.60.0050.00217.61
8.1.50.0040.00417.46
8.1.40.0000.00917.51
8.1.30.0000.00817.70
8.1.20.0040.00417.57
8.1.10.0000.00717.46
8.1.00.0030.00617.60
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00918.39
8.0.270.0060.00317.24
8.0.260.0030.00517.19
8.0.250.0030.00316.84
8.0.240.0040.00417.00
8.0.230.0000.00716.86
8.0.220.0000.00716.91
8.0.210.0040.00416.91
8.0.200.0060.00016.94
8.0.190.0000.00816.99
8.0.180.0040.00416.92
8.0.170.0040.00416.82
8.0.160.0000.00716.83
8.0.150.0070.00016.86
8.0.140.0040.00416.91
8.0.130.0000.00513.33
8.0.120.0040.00416.86
8.0.110.0040.00416.89
8.0.100.0030.00516.97
8.0.90.0000.00716.86
8.0.80.0080.01316.93
8.0.70.0000.00716.86
8.0.60.0040.00416.95
8.0.50.0040.00416.81
8.0.30.0120.00917.00
8.0.20.0120.01417.41
8.0.10.0040.00416.86
8.0.00.0120.00716.66
7.4.330.0000.00515.00
7.4.320.0000.00716.59
7.4.300.0000.00616.68
7.4.290.0000.00716.43
7.4.280.0070.00016.52
7.4.270.0030.00316.66
7.4.260.0070.00016.46
7.4.250.0000.00716.48
7.4.240.0000.00816.59
7.4.230.0000.00716.50
7.4.220.0090.00916.51
7.4.210.0140.00716.57
7.4.200.0030.00316.36
7.4.160.0050.01116.43
7.4.150.0140.00417.40
7.4.140.0130.00417.86
7.4.130.0100.00716.50
7.4.120.0110.00916.56
7.4.110.0080.00816.48
7.4.100.0130.01016.75
7.4.90.0080.00816.45
7.4.80.0030.01819.39
7.4.70.0080.00816.57
7.4.60.0120.00616.55
7.4.50.0050.00016.38
7.4.40.0100.00716.26
7.4.30.0080.00816.39
7.4.00.0100.00715.22
7.3.330.0030.00313.38
7.3.320.0030.00313.18
7.3.310.0020.00516.36
7.3.300.0030.00316.23
7.3.290.0030.01416.36
7.3.280.0090.00716.34
7.3.270.0000.01817.40
7.3.260.0070.01016.44
7.3.250.0040.01316.37
7.3.240.0140.00316.63
7.3.230.0090.00816.60
7.3.210.0040.01316.42
7.3.200.0070.01219.39
7.3.190.0140.00816.43
7.3.180.0090.00616.66
7.3.170.0090.00616.35
7.3.160.0190.00316.60
7.2.330.0040.01316.67
7.2.320.0060.01016.67
7.2.310.0060.01116.89
7.2.300.0080.00916.74
7.2.290.0030.01316.59
7.2.00.0060.00919.61
7.1.100.0030.01018.13
7.1.70.0080.00017.24
7.1.60.0170.00719.40
7.1.50.0040.01817.05
7.1.00.0000.08022.50
7.0.200.0000.00716.84
7.0.140.0070.06022.04
7.0.60.0030.05320.02
7.0.50.0070.07017.87
7.0.40.0030.06020.15
7.0.30.0270.07320.07
7.0.20.0170.06020.23
7.0.10.0030.06020.26
7.0.00.0100.08020.30
5.6.280.0070.07020.82
5.6.210.0130.08020.52
5.6.200.0130.03318.27
5.6.190.0070.04320.55
5.6.180.0070.08320.48
5.6.170.0270.07320.52
5.6.160.0070.06720.43
5.6.150.0100.07718.14
5.6.140.0070.04018.23
5.6.130.0070.08018.14
5.6.120.0000.05321.10
5.6.110.0170.07721.08
5.6.100.0200.07320.98
5.6.90.0030.05720.96
5.6.80.0100.07020.40
5.5.350.0330.06720.29
5.5.340.0070.04317.99
5.5.330.0270.06720.58
5.5.320.0200.04020.24
5.5.310.0300.07020.30
5.5.300.0000.06317.98
5.5.290.0170.04317.97
5.5.280.0030.08720.75
5.5.270.0030.09020.88
5.5.260.0070.08320.85
5.5.250.0070.06320.56
5.5.240.0100.02720.29
5.4.450.0700.05719.48
5.4.440.0870.06019.32
5.4.430.0600.06319.50
5.4.420.0830.05719.31
5.4.410.0070.05719.28
5.4.400.0330.05718.62
5.4.390.0470.04718.47
5.4.380.0130.06718.55
5.4.370.0000.05318.49
5.4.360.0030.04018.48
5.4.350.0270.11312.02
5.4.340.0080.04512.02
5.4.320.0070.04412.51
5.4.310.0050.03812.50
5.4.300.0060.03712.50
5.4.290.0050.03912.51
5.4.280.0060.03712.41
5.4.270.0050.03712.41
5.4.260.0070.03812.41
5.4.250.0060.03712.40
5.4.240.0050.03712.40
5.4.230.0060.03812.40
5.4.220.0070.04012.39
5.4.210.0090.03612.39
5.4.200.0060.04312.39
5.4.190.0060.04612.39
5.4.180.0130.03812.39
5.4.170.0100.03312.40
5.4.160.0040.03812.39
5.4.150.0040.03812.39
5.4.140.0050.03712.07
5.4.130.0080.03912.06
5.4.120.0020.03912.02
5.4.110.0060.03412.02
5.4.100.0060.03412.02
5.4.90.0090.03212.02
5.4.80.0020.04012.02
5.4.70.0060.03712.01
5.4.60.0070.03712.01
5.4.50.0040.03812.02
5.4.40.0070.03412.00
5.4.30.0030.03812.00
5.4.20.0060.04612.00
5.4.10.0040.03812.00
5.4.00.0070.04411.48
5.3.290.0110.04612.80
5.3.280.0060.03712.71
5.3.270.0040.04012.72
5.3.260.0050.04612.72
5.3.250.0050.03812.72
5.3.240.0070.03512.72
5.3.230.0050.03812.71
5.3.220.0010.04012.68
5.3.210.0050.03912.68
5.3.200.0030.03812.68
5.3.190.0040.04412.68
5.3.180.0090.03412.67
5.3.170.0060.03712.67
5.3.160.0040.03912.67
5.3.150.0120.03812.67
5.3.140.0040.03712.66
5.3.130.0080.03512.66
5.3.120.0040.04012.66
5.3.110.0070.03712.66
5.3.100.0070.03512.13
5.3.90.0080.03412.11
5.3.80.0030.03912.10
5.3.70.0040.03712.09
5.3.60.0050.03612.08
5.3.50.0070.03412.03
5.3.40.0040.03812.03
5.3.30.0080.03211.99
5.3.20.0080.03311.77
5.3.10.0050.03611.73
5.3.00.0070.03611.72
5.2.170.0060.0299.22
5.2.160.0040.0309.23
5.2.150.0030.0329.22
5.2.140.0040.0319.22
5.2.130.0050.0289.18
5.2.120.0050.0289.18
5.2.110.0040.0309.19
5.2.100.0050.0279.18
5.2.90.0090.0259.18
5.2.80.0040.0309.18
5.2.70.0060.0359.18
5.2.60.0020.0329.13
5.2.50.0060.0299.10
5.2.40.0050.0289.08
5.2.30.0040.0299.06
5.2.20.0040.0299.04
5.2.10.0050.0278.96
5.2.00.0030.0348.82
5.1.60.0030.0248.10
5.1.50.0040.0258.09
5.1.40.0050.0248.07
5.1.30.0030.0268.43
5.1.20.0060.0248.45
5.1.10.0050.0258.17
5.1.00.0050.0248.17
5.0.50.0050.0196.66
5.0.40.0030.0196.52
5.0.30.0060.0296.34
5.0.20.0040.0196.30
5.0.10.0020.0216.27
5.0.00.0020.0386.27
4.4.90.0030.0144.78
4.4.80.0020.0174.75
4.4.70.0030.0154.75
4.4.60.0030.0154.75
4.4.50.0030.0164.77
4.4.40.0020.0264.71
4.4.30.0020.0164.76
4.4.20.0010.0174.85
4.4.10.0030.0164.85
4.4.00.0040.0244.76
4.3.110.0050.0184.67
4.3.100.0050.0124.67
4.3.90.0020.0154.64
4.3.80.0020.0254.58
4.3.70.0030.0154.63
4.3.60.0030.0144.63
4.3.50.0040.0144.63
4.3.40.0030.0274.54
4.3.30.0010.0223.32
4.3.20.0010.0173.29
4.3.10.0000.0173.25
4.3.00.0130.0206.95

preferences:
39.23 ms | 401 KiB | 5 Q