3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { // all characters that json encode without escaping $chrs = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chrs); $str = ''; while ($val > 0) { $str = $chrs[$val % $base] . $str; $val = (int)($val / $base); } return $str; } function gdr_decode($str) { // all characters that json encode without escaping $chrs = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chrs); $map = array(); for ($i=0; $i<$base; $i++) { $map[$chrs[$i]] = $i; } $val = 0; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $val += (int)$map[$str[$i]]; } return $val; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 500000, 999999, 1000000, 4294967295, 4294967296); echo sprintf("%10s %7s %3s\n", 'num', 'str', 'cmp'); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else { echo sprintf("%10d %7s %3d\n", $dec, "\"$enc\"", strlen($enc)+2-strlen($val)); } }

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)
8.3.60.0070.01416.75
8.3.50.0060.00922.85
8.3.40.0040.01418.83
8.3.30.0140.00419.22
8.3.20.0100.00320.34
8.3.10.0040.00421.77
8.3.00.0080.00017.63
8.2.180.0130.01016.50
8.2.170.0000.01422.96
8.2.160.0110.00420.52
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00420.94
8.2.110.0000.00922.26
8.2.100.0040.00819.33
8.2.90.0060.00619.21
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0040.00418.04
8.2.50.0030.00618.07
8.2.40.0050.00318.28
8.2.30.0000.00718.03
8.2.20.0040.00417.78
8.2.10.0040.00418.02
8.2.00.0000.00817.80
8.1.280.0100.01025.92
8.1.270.0060.00323.91
8.1.260.0040.00426.35
8.1.250.0000.01428.09
8.1.240.0050.00523.89
8.1.230.0040.00819.03
8.1.220.0060.00317.78
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0060.00317.34
8.1.180.0030.00618.10
8.1.170.0040.00418.71
8.1.160.0040.00422.05
8.1.150.0050.00318.91
8.1.140.0040.00417.40
8.1.130.0070.00017.90
8.1.120.0070.00017.43
8.1.110.0040.00417.39
8.1.100.0000.00817.41
8.1.90.0050.00217.46
8.1.80.0030.00517.48
8.1.70.0030.00317.40
8.1.60.0050.00317.63
8.1.50.0000.00917.53
8.1.40.0090.00017.58
8.1.30.0040.00417.58
8.1.20.0000.00817.68
8.1.10.0040.00417.60
8.1.00.0000.00817.55
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0000.00718.41
8.0.270.0000.00817.16
8.0.260.0000.01017.24
8.0.250.0030.00416.99
8.0.240.0040.00416.92
8.0.230.0000.00716.91
8.0.220.0030.00316.86
8.0.210.0050.00316.96
8.0.200.0030.00316.91
8.0.190.0070.00016.86
8.0.180.0000.00816.90
8.0.170.0050.00316.94
8.0.160.0020.00516.99
8.0.150.0070.00016.88
8.0.140.0040.00416.78
8.0.130.0030.00313.34
8.0.120.0000.00816.84
8.0.110.0040.00416.81
8.0.100.0080.00016.91
8.0.90.0000.00716.92
8.0.80.0060.00916.81
8.0.70.0040.00416.96
8.0.60.0040.00416.82
8.0.50.0000.00716.79
8.0.30.0100.01017.11
8.0.20.0130.00817.40
8.0.10.0000.00716.97
8.0.00.0090.00816.76
7.4.330.0000.00515.09
7.4.320.0030.00316.65
7.4.300.0000.00616.52
7.4.290.0040.00416.43
7.4.280.0030.00616.51
7.4.270.0000.00716.63
7.4.260.0060.00316.63
7.4.250.0000.00716.41
7.4.240.0000.00716.60
7.4.230.0060.00316.44
7.4.220.0130.01016.47
7.4.210.0070.01316.65
7.4.200.0000.00716.44
7.4.160.0170.00716.47
7.4.150.0000.01817.40
7.4.140.0140.00517.86
7.4.130.0150.00616.67
7.4.120.0090.00916.48
7.4.110.0030.01316.38
7.4.100.0150.00716.37
7.4.90.0070.01016.42
7.4.80.0070.01119.39
7.4.70.0100.00716.73
7.4.60.0100.00716.48
7.4.50.0040.00416.46
7.4.40.0040.01316.55
7.4.30.0100.00616.68
7.4.00.0040.01414.73
7.3.330.0070.00013.37
7.3.320.0050.00013.23
7.3.310.0070.00016.32
7.3.300.0000.00716.44
7.3.290.0060.00816.34
7.3.280.0070.01116.32
7.3.270.0100.00717.40
7.3.260.0110.01116.68
7.3.240.0030.01616.30
7.3.230.0100.00716.44
7.3.210.0120.00916.37
7.3.200.0090.00919.39
7.3.190.0070.01116.39
7.3.180.0000.01616.38
7.3.170.0090.00616.46
7.3.160.0080.00816.46
7.2.330.0120.00616.50
7.2.320.0150.00316.79
7.2.310.0060.01216.78
7.2.300.0090.00916.82
7.2.290.0150.00616.77
7.2.00.0000.01319.62
7.1.100.0030.00618.16
7.1.70.0000.00817.34
7.1.60.0130.01019.40
7.1.50.0260.01034.94
7.1.00.0000.08022.45
7.0.200.0000.01116.85
7.0.140.0070.07022.08
7.0.60.0030.08019.99
7.0.50.0130.05317.91
7.0.40.0070.09020.27
7.0.30.0400.07020.34
7.0.20.0370.07320.09
7.0.10.0130.03720.16
7.0.00.0100.05020.30
5.6.280.0030.07321.08
5.6.210.0100.03320.58
5.6.200.0130.04718.15
5.6.190.0030.07020.39
5.6.180.0370.04720.48
5.6.170.0370.07320.47
5.6.160.0030.06020.54
5.6.150.0100.07718.19
5.6.140.0070.04718.24
5.6.130.0070.07018.18
5.6.120.0000.08721.03
5.6.110.0030.09021.02
5.6.100.0070.05020.99
5.6.90.0100.06321.03
5.6.80.0070.04020.52
5.5.350.0300.07020.44
5.5.340.0100.08017.96
5.5.330.0000.05720.27
5.5.320.1400.07020.38
5.5.310.0270.07020.36
5.5.300.0100.07718.04
5.5.290.0070.08017.98
5.5.280.0130.08020.89
5.5.270.0070.08720.87
5.5.260.0000.04320.89
5.5.250.0130.07320.59
5.5.240.0130.06720.13
5.4.450.0570.05719.47
5.4.440.0470.06019.48
5.4.430.0100.08019.52
5.4.420.0130.05319.42
5.4.410.0130.05019.25
5.4.400.0100.07719.18
5.4.390.0130.05019.04
5.4.380.0200.05318.77
5.4.370.0030.04718.57
5.4.360.0130.04718.63
5.4.350.0080.05112.04
5.4.340.0060.03712.04
5.4.320.0080.04612.52
5.4.310.0080.03712.52
5.4.300.0060.03712.52
5.4.290.0050.04012.52
5.4.280.0070.03512.41
5.4.270.0080.03612.42
5.4.260.0100.03512.41
5.4.250.0060.04712.41
5.4.240.0050.03712.42
5.4.230.0050.03812.40
5.4.220.0040.03712.41
5.4.210.0050.03612.41
5.4.200.0080.03612.41
5.4.190.0040.03812.40
5.4.180.0060.03712.41
5.4.170.0060.04212.41
5.4.160.0070.03612.41
5.4.150.0050.03612.40
5.4.140.0070.03712.09
5.4.130.0040.03712.07
5.4.120.0070.03512.03
5.4.110.0080.03412.02
5.4.100.0070.03412.03
5.4.90.0100.03512.03
5.4.80.0070.03612.02
5.4.70.0060.03912.03
5.4.60.0090.04112.02
5.4.50.0070.03612.02
5.4.40.0030.03812.01
5.4.30.0060.03612.00
5.4.20.0060.03512.01
5.4.10.0040.03712.01
5.4.00.0020.04011.50
5.3.290.0100.03812.80
5.3.280.0090.03912.71
5.3.270.0070.03912.72
5.3.260.0070.04312.72
5.3.250.0050.04012.72
5.3.240.0050.04212.72
5.3.230.0080.03812.71
5.3.220.0070.03812.68
5.3.210.0070.03912.68
5.3.200.0060.03812.68
5.3.190.0070.03912.68
5.3.180.0060.03712.67
5.3.170.0060.03812.67
5.3.160.0140.03112.68
5.3.150.0070.04412.67
5.3.140.0050.04712.66
5.3.130.0060.04112.66
5.3.120.0100.03712.66
5.3.110.0120.03512.66
5.3.100.0090.04812.14
5.3.90.0080.04712.12
5.3.80.0090.03412.11
5.3.70.0050.03812.11
5.3.60.0070.03712.10
5.3.50.0050.03812.05
5.3.40.0060.04612.05
5.3.30.0070.03712.00
5.3.20.0040.03711.79
5.3.10.0070.03311.75
5.3.00.0070.03611.73
5.2.170.0040.0319.24
5.2.160.0060.0309.24
5.2.150.0050.0319.25
5.2.140.0040.0329.24
5.2.130.0050.0369.20
5.2.120.0040.0309.20
5.2.110.0040.0309.21
5.2.100.0050.0299.20
5.2.90.0040.0309.20
5.2.80.0050.0319.20
5.2.70.0060.0299.20
5.2.60.0060.0309.16
5.2.50.0070.0299.13
5.2.40.0050.0299.11
5.2.30.0060.0309.07
5.2.20.0060.0299.06
5.2.10.0040.0298.96
5.2.00.0060.0288.83
5.1.60.0040.0278.12
5.1.50.0060.0238.12
5.1.40.0050.0258.09
5.1.30.0070.0368.45
5.1.20.0090.0358.46
5.1.10.0040.0378.19
5.1.00.0050.0348.19
5.0.50.0070.0316.67
5.0.40.0060.0326.53
5.0.30.0040.0446.35
5.0.20.0030.0216.32
5.0.10.0030.0226.29
5.0.00.0020.0346.28
4.4.90.0050.0164.78
4.4.80.0050.0154.76
4.4.70.0030.0184.75
4.4.60.0080.0114.75
4.4.50.0050.0144.77
4.4.40.0030.0274.71
4.4.30.0020.0184.76
4.4.20.0040.0164.85
4.4.10.0040.0244.85
4.4.00.0070.0254.75
4.3.110.0030.0174.67
4.3.100.0020.0174.66
4.3.90.0030.0164.63
4.3.80.0050.0234.58
4.3.70.0060.0144.63
4.3.60.0030.0164.63
4.3.50.0000.0204.63
4.3.40.0020.0264.53
4.3.30.0040.0163.34
4.3.20.0010.0183.32
4.3.10.0010.0183.27
4.3.00.0100.0237.13

preferences:
43.21 ms | 401 KiB | 5 Q