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; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 500000, 999999, 1000000, 4294967295, 4294967296); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); $dlt = strlen($enc)+2 - strlen($val); echo sprintf("%2d %7s %10d\n", $dlt, "\"$enc\"", $dec); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else if (strlen($enc)+2 > strlen($val)) { echo "+$dlt \"$enc\" $val\n"; } else if (strlen($enc)+2 == strlen($val)) { echo "== \"$enc\" $val\n"; } else { echo "$dlt \"$enc\" $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)
8.3.60.0170.00316.63
8.3.50.0090.01022.90
8.3.40.0120.00318.92
8.3.30.0070.01019.09
8.3.20.0120.00320.33
8.3.10.0140.00421.77
8.3.00.0080.00019.25
8.2.180.0070.01016.50
8.2.170.0090.00922.96
8.2.160.0100.00720.39
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00821.02
8.2.110.0060.00322.34
8.2.100.0080.00419.28
8.2.90.0080.00019.10
8.2.80.0000.00817.97
8.2.70.0000.00817.75
8.2.60.0080.00017.91
8.2.50.0060.00318.07
8.2.40.0060.00318.22
8.2.30.0060.00318.16
8.2.20.0000.00817.65
8.2.10.0040.00718.16
8.2.00.0030.00517.84
8.1.280.0190.00025.92
8.1.270.0090.00623.97
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.71
8.1.230.0040.00719.04
8.1.220.0040.00417.77
8.1.210.0040.00418.77
8.1.200.0040.00417.13
8.1.190.0030.00517.35
8.1.180.0030.00518.10
8.1.170.0000.00918.59
8.1.160.0050.00222.05
8.1.150.0000.00718.86
8.1.140.0070.00017.32
8.1.130.0070.00017.86
8.1.120.0030.00517.39
8.1.110.0030.00617.38
8.1.100.0040.00417.46
8.1.90.0000.00717.45
8.1.80.0000.00717.44
8.1.70.0030.00317.47
8.1.60.0080.00017.64
8.1.50.0060.00317.45
8.1.40.0000.00817.56
8.1.30.0060.00317.59
8.1.20.0040.00417.59
8.1.10.0030.00617.56
8.1.00.0000.00817.53
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.48
8.0.270.0100.00017.30
8.0.260.0040.00417.19
8.0.250.0030.00316.93
8.0.240.0070.00016.91
8.0.230.0040.00416.85
8.0.220.0000.00716.89
8.0.210.0000.00816.80
8.0.200.0000.00617.03
8.0.190.0050.00216.99
8.0.180.0040.00416.88
8.0.170.0030.00616.84
8.0.160.0040.00416.99
8.0.150.0020.00516.75
8.0.140.0000.00816.88
8.0.130.0050.00013.31
8.0.120.0070.00016.90
8.0.110.0030.00516.80
8.0.100.0070.00016.84
8.0.90.0000.00816.91
8.0.80.0060.01016.86
8.0.70.0050.00316.93
8.0.60.0040.00416.81
8.0.50.0040.00416.87
8.0.30.0170.00617.09
8.0.20.0140.00817.40
8.0.10.0050.00317.02
8.0.00.0110.00716.84
7.4.330.0000.00615.13
7.4.320.0030.00316.46
7.4.300.0040.00416.50
7.4.290.0000.00716.55
7.4.280.0030.00316.64
7.4.270.0030.00616.69
7.4.260.0070.00316.57
7.4.250.0060.00316.52
7.4.240.0030.00416.59
7.4.230.0040.00416.64
7.4.220.0110.00716.63
7.4.210.0130.00716.68
7.4.200.0030.00316.62
7.4.160.0110.00716.38
7.4.150.0000.01817.40
7.4.140.0160.00317.86
7.4.130.0120.00916.61
7.4.120.0090.01016.53
7.4.110.0070.01016.59
7.4.100.0090.00916.56
7.4.90.0000.02216.52
7.4.80.0070.01419.39
7.4.70.0060.01316.31
7.4.60.0060.01416.69
7.4.50.0000.00416.42
7.4.40.0120.00416.29
7.4.30.0100.00716.62
7.4.00.0040.01115.09
7.3.330.0000.00513.40
7.3.320.0030.00313.40
7.3.310.0030.00316.39
7.3.300.0030.00316.45
7.3.290.0090.00616.41
7.3.280.0090.00616.40
7.3.270.0080.01017.40
7.3.260.0110.01416.67
7.3.250.0120.00616.38
7.3.240.0100.00716.48
7.3.230.0080.00916.45
7.3.210.0070.01116.45
7.3.200.0110.00619.39
7.3.190.0120.01216.41
7.3.180.0100.00616.54
7.3.170.0120.00416.32
7.3.160.0160.00316.52
7.3.10.0160.00316.70
7.3.00.0100.01016.41
7.2.330.0070.01116.64
7.2.320.0120.00916.80
7.2.310.0060.01216.41
7.2.300.0110.00716.55
7.2.290.0120.01116.59
7.2.130.0110.00516.73
7.2.120.0120.00916.65
7.2.110.0120.00616.66
7.2.100.0220.00316.68
7.2.90.0130.00916.56
7.2.80.0130.01316.81
7.2.70.0100.01416.43
7.2.60.0060.01116.80
7.2.50.0170.00916.47
7.2.40.0150.00316.71
7.2.30.0130.01016.53
7.2.20.0170.00616.59
7.2.10.0180.00516.86
7.2.00.0080.00618.08
7.1.250.0210.00015.76
7.1.200.0100.00315.82
7.1.100.0040.01118.21
7.1.70.0000.00916.92
7.1.60.0120.00919.40
7.1.50.0280.01034.96
7.1.00.0030.09322.30
7.0.200.0030.00616.88
7.0.140.0000.08021.98
7.0.60.0130.08320.07
7.0.50.0070.08017.90
7.0.40.0270.06720.20
7.0.30.0370.07320.28
7.0.20.0230.04020.13
7.0.10.0100.05320.21
7.0.00.0100.08020.29
5.6.280.0070.07321.09
5.6.210.0100.05320.56
5.6.200.0030.04318.17
5.6.190.0000.05020.48
5.6.180.0500.05720.55
5.6.170.0130.06020.52
5.6.160.0030.08320.44
5.6.150.0030.06318.23
5.6.140.0030.08318.24
5.6.130.0100.06718.14
5.6.120.0030.04721.03
5.6.110.0100.07721.01
5.6.100.0200.06321.03
5.6.90.0070.05321.00
5.6.80.0130.06020.32
5.5.350.3130.03720.32
5.5.340.0100.06017.99
5.5.330.0070.05020.48
5.5.320.0230.05720.24
5.5.310.0330.06320.42
5.5.300.0000.04318.09
5.5.290.0100.08017.95
5.5.280.0030.04320.81
5.5.270.0170.07020.69
5.5.260.0070.04020.66
5.5.250.0000.07320.48
5.5.240.0000.08320.17
5.4.450.0870.05319.59
5.4.440.0130.05719.56
5.4.430.0100.06019.52
5.4.420.0170.05019.43
5.4.410.0100.05719.37
5.4.400.0170.05718.95
5.4.390.0100.05719.00
5.4.380.0200.05018.46
5.4.370.0030.05018.82
5.4.360.0170.04318.77
5.4.350.0290.10412.04
5.4.340.0090.04112.03
5.4.320.0050.03712.52
5.4.310.0050.05612.52
5.4.300.0040.05112.52
5.4.290.0070.05312.52
5.4.280.0140.06512.41
5.4.270.0100.04612.41
5.4.260.0090.06312.42
5.4.250.0100.05212.41
5.4.240.0090.03712.42
5.4.230.0100.05112.41
5.4.220.0120.04812.40
5.4.210.0070.05112.41
5.4.200.0050.04112.40
5.4.190.0090.04312.40
5.4.180.0120.04512.40
5.4.170.0080.05212.41
5.4.160.0040.05312.41
5.4.150.0030.04012.40
5.4.140.0030.04112.08
5.4.130.0040.03812.07
5.4.120.0080.04412.03
5.4.110.0060.03812.03
5.4.100.0090.04712.03
5.4.90.0110.04812.02
5.4.80.0060.05412.03
5.4.70.0050.03812.03
5.4.60.0050.03712.02
5.4.50.0080.03412.02
5.4.40.0090.04112.01
5.4.30.0090.04312.01
5.4.20.0030.05212.01
5.4.10.0060.04712.01
5.4.00.0110.04811.50
5.3.290.0070.03812.80
5.3.280.0080.03712.71
5.3.270.0030.04212.73
5.3.260.0070.03912.72
5.3.250.0060.04112.72
5.3.240.0060.03812.71
5.3.230.0050.03912.71
5.3.220.0080.03612.68
5.3.210.0070.03912.68
5.3.200.0060.03812.68
5.3.190.0050.03812.68
5.3.180.0070.03712.68
5.3.170.0070.03612.67
5.3.160.0080.03812.67
5.3.150.0080.04312.67
5.3.140.0050.03712.67
5.3.130.0060.04112.66
5.3.120.0070.03812.66
5.3.110.0090.04112.66
5.3.100.0100.03512.14
5.3.90.0040.04012.13
5.3.80.0080.03512.12
5.3.70.0040.03912.12
5.3.60.0060.03912.11
5.3.50.0100.03412.05
5.3.40.0050.03912.05
5.3.30.0060.04112.01
5.3.20.0070.03611.79
5.3.10.0090.03311.76
5.3.00.0090.03511.75
5.2.170.0020.0349.25
5.2.160.0020.0329.25
5.2.150.0030.0329.25
5.2.140.0020.0339.24
5.2.130.0070.0379.21
5.2.120.0010.0459.20
5.2.110.0060.0319.21
5.2.100.0070.0369.20
5.2.90.0060.0359.20
5.2.80.0080.0409.20
5.2.70.0060.0369.20
5.2.60.0030.0329.16
5.2.50.0050.0319.13
5.2.40.0040.0309.11
5.2.30.0030.0339.07
5.2.20.0060.0289.06
5.2.10.0050.0288.97
5.2.00.0040.0318.84
5.1.60.0080.0218.12
5.1.50.0060.0248.12
5.1.40.0070.0358.10
5.1.30.0050.0268.45
5.1.20.0050.0278.47
5.1.10.0100.0248.20
5.1.00.0060.0378.20
5.0.50.0020.0256.68
5.0.40.0050.0216.54
5.0.30.0040.0336.36
5.0.20.0030.0216.32
5.0.10.0020.0236.30
5.0.00.0040.0316.29
4.4.90.0030.0164.78
4.4.80.0030.0174.75
4.4.70.0040.0164.76
4.4.60.0030.0184.75
4.4.50.0030.0164.77
4.4.40.0010.0284.71
4.4.30.0010.0184.76
4.4.20.0050.0154.84
4.4.10.0040.0164.85
4.4.00.0050.0304.76
4.3.110.0020.0194.67
4.3.100.0040.0164.66
4.3.90.0090.0294.63
4.3.80.0030.0344.59
4.3.70.0030.0234.63
4.3.60.0010.0264.63
4.3.50.0010.0194.63
4.3.40.0030.0324.54
4.3.30.0000.0193.34
4.3.20.0020.0173.32
4.3.10.0020.0193.28
4.3.00.0130.0237.34

preferences:
39.39 ms | 401 KiB | 5 Q