3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { // $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; // all characters that json_encode without escaping $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chars); $str = ''; while ($val > 0) { $str = $chars[$val % $base] . $str; $val = (int)($val / $base); } return $str; } function gdr_decode($str) { // $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; // all characters that json_encode without escaping $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chars); $map = array(); for ($i=0; $i<$base; $i++) { $map[$chars[$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); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else if (strlen($enc)+2 > strlen($val)) { echo "\"$enc\" $val WORSE\n"; } else if (strlen($enc)+2 == strlen($val)) { echo "\"$enc\" $val EQUAL\n"; } else { echo "\"$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)
8.3.60.0070.01116.49
8.3.50.0100.01019.71
8.3.40.0110.00718.82
8.3.30.0090.00619.26
8.3.20.0040.00420.16
8.3.10.0050.00221.73
8.3.00.0060.00317.63
8.2.180.0080.00816.63
8.2.170.0120.00922.96
8.2.160.0100.00320.16
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0180.00026.16
8.2.120.0040.00421.00
8.2.110.0090.00022.14
8.2.100.0110.00017.72
8.2.90.0040.00419.41
8.2.80.0030.00617.97
8.2.70.0040.00417.63
8.2.60.0060.00317.93
8.2.50.0060.00318.07
8.2.40.0030.00718.13
8.2.30.0040.00418.13
8.2.20.0090.00017.60
8.2.10.0070.00018.19
8.2.00.0000.00817.68
8.1.270.0040.00423.96
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.68
8.1.230.0090.00318.96
8.1.220.0030.00517.76
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0030.00518.59
8.1.160.0040.00421.99
8.1.150.0020.00518.94
8.1.140.0050.00217.48
8.1.130.0000.00817.84
8.1.120.0000.00717.34
8.1.110.0040.00417.51
8.1.100.0040.00417.48
8.1.90.0070.00017.50
8.1.80.0000.00817.47
8.1.70.0070.00017.46
8.1.60.0030.00617.49
8.1.50.0080.00017.56
8.1.40.0000.00817.55
8.1.30.0040.00417.57
8.1.20.0030.00617.50
8.1.10.0040.00417.61
8.1.00.0000.00817.52
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.39
8.0.270.0000.01017.15
8.0.260.0000.00817.18
8.0.250.0070.00016.85
8.0.240.0030.00316.86
8.0.230.0050.00316.99
8.0.220.0040.00416.81
8.0.210.0040.00416.92
8.0.200.0000.00717.02
8.0.190.0000.00816.84
8.0.180.0000.00716.92
8.0.170.0060.00317.00
8.0.160.0000.00716.81
8.0.150.0040.00416.84
8.0.140.0040.00416.72
8.0.130.0030.00313.43
8.0.120.0000.00816.89
8.0.110.0040.00416.94
8.0.100.0040.00416.79
8.0.90.0050.00216.81
8.0.80.0070.01416.98
8.0.70.0000.00716.80
8.0.60.0000.00716.91
8.0.50.0040.00416.90
8.0.30.0100.01016.91
8.0.20.0110.00817.40
8.0.10.0000.00717.06
8.0.00.0130.00716.68
7.4.330.0050.00015.00
7.4.320.0030.00316.43
7.4.300.0000.00716.54
7.4.290.0000.00716.54
7.4.280.0030.00516.62
7.4.270.0040.00416.43
7.4.260.0040.00416.59
7.4.250.0040.00416.62
7.4.240.0030.00316.53
7.4.230.0030.00316.63
7.4.220.0110.00716.74
7.4.210.0030.01416.59
7.4.200.0000.00716.66
7.4.160.0150.00316.52
7.4.150.0150.00317.40
7.4.140.0100.00717.86
7.4.130.0020.01616.57
7.4.120.0060.01116.47
7.4.110.0160.00916.42
7.4.100.0150.00416.45
7.4.90.0060.01216.68
7.4.80.0100.00719.39
7.4.70.0130.00316.60
7.4.60.0160.00616.59
7.4.50.0040.00416.45
7.4.40.0130.00416.34
7.4.30.0070.01616.49
7.4.00.0040.01214.71
7.3.330.0000.00613.35
7.3.320.0030.00313.39
7.3.310.0000.00716.48
7.3.300.0060.00016.34
7.3.290.0060.01316.41
7.3.280.0050.01216.37
7.3.270.0170.00017.40
7.3.260.0110.00616.48
7.3.250.0100.00716.58
7.3.240.0130.00616.30
7.3.230.0120.00616.39
7.3.210.0060.01016.42
7.3.200.0100.01319.39
7.3.190.0170.00016.41
7.3.180.0090.00916.65
7.3.170.0100.00616.38
7.3.160.0110.00616.29
7.2.330.0140.00316.64
7.2.320.0090.00916.77
7.2.310.0070.01016.83
7.2.300.0120.00916.64
7.2.290.0130.00416.87
7.2.00.0040.00819.02
7.1.100.0030.01018.13
7.1.70.0050.00217.01
7.1.60.0100.01019.40
7.1.50.0130.01017.05
7.1.00.0070.07322.40
7.0.200.0000.01016.72
7.0.140.0000.07722.11
7.0.60.0100.03719.88
7.0.50.0100.06317.86
7.0.40.0070.08720.26
7.0.30.0230.05020.30
7.0.20.0170.04020.30
7.0.10.0100.08720.20
7.0.00.0100.08020.17
5.6.280.0000.07720.94
5.6.210.0070.07320.48
5.6.200.0070.06318.18
5.6.190.0100.08720.33
5.6.180.0330.07320.51
5.6.170.0400.06720.55
5.6.160.0030.08720.57
5.6.150.0130.06718.16
5.6.140.0130.07318.18
5.6.130.0000.04318.18
5.6.120.0130.07721.15
5.6.110.0100.06721.00
5.6.100.0100.07321.05
5.6.90.0070.04721.02
5.6.80.0030.04020.39
5.5.350.0000.08020.42
5.5.340.0030.04718.02
5.5.330.0030.04320.40
5.5.320.0230.06320.38
5.5.310.0200.04020.41
5.5.300.0100.08318.08
5.5.290.0070.04018.02
5.5.280.0130.08020.82
5.5.270.0070.08720.97
5.5.260.0070.09020.96
5.5.250.0130.08020.81
5.5.240.0230.07720.28
5.4.450.2030.03719.54
5.4.440.1670.04319.08
5.4.430.1500.03319.07
5.4.420.1470.03719.32
5.4.410.1470.04019.09
5.4.400.1400.04019.06
5.4.390.1430.03718.98
5.4.380.1730.03318.89
5.4.370.1400.04319.00
5.4.360.1570.05019.21
5.4.350.1530.04719.17
5.4.340.1600.05019.21
5.4.320.1870.03019.21
5.4.310.1630.04719.17
5.4.300.1470.04019.16
5.4.290.1470.03718.88
5.4.280.1470.03319.00
5.4.270.1430.03719.21
5.4.260.1570.05019.07
5.4.250.1430.03318.91
5.4.240.1430.03319.05
5.4.230.1430.03719.34
5.4.220.1370.04318.75
5.4.210.1370.04018.90
5.4.200.1600.04718.74
5.4.190.1430.04718.77
5.4.180.1670.04319.20
5.4.170.1430.03019.11
5.4.160.1630.03318.97
5.4.150.1670.05018.98
5.4.140.1570.04316.57
5.4.130.1630.04016.39
5.4.120.1300.04016.55
5.4.110.1630.03716.51
5.4.100.1370.03716.62
5.4.90.0230.04016.61
5.4.80.0200.03016.43
5.4.70.0200.03716.58
5.4.60.0200.03016.27
5.4.50.0170.04016.44
5.4.40.0170.03316.21
5.4.30.0170.03316.24
5.4.20.0270.04316.38
5.4.10.0200.03316.37
5.4.00.0170.03315.78
5.3.290.0130.04014.65
5.3.280.0170.03314.61
5.3.270.0030.04314.71
5.3.260.0200.04314.63
5.3.250.0230.04014.54
5.3.240.0130.04014.62
5.3.230.0230.04014.84
5.3.220.0130.03714.50
5.3.210.0100.05014.50
5.3.200.0170.04314.60
5.3.190.0230.03014.61
5.3.180.0100.05014.49
5.3.170.0170.04314.56
5.3.160.0230.03714.66
5.3.150.0200.06714.48
5.3.140.0270.03314.50
5.3.130.0170.04714.54
5.3.120.0200.05014.59
5.3.110.0170.03714.50
5.3.100.0130.04014.06
5.3.90.0200.04014.12
5.3.80.0270.03313.92
5.3.70.0170.03713.96
5.3.60.0200.04314.08
5.3.50.0230.03313.89
5.3.40.0170.03313.88
5.3.30.0170.04313.99
5.3.20.0230.03713.62
5.3.10.0170.03313.80
5.3.00.0100.05013.68
5.2.170.0130.06711.11
5.2.160.0170.04011.09
5.2.150.0100.03311.25
5.2.140.0170.02311.09
5.2.130.0100.03011.24
5.2.120.0130.03711.06
5.2.110.0100.04011.36
5.2.100.0200.02311.21
5.2.90.0170.03011.04
5.2.80.0200.03311.04
5.2.70.0100.03011.13
5.2.60.0100.03011.09
5.2.50.0070.03310.98
5.2.40.0100.03010.98
5.2.30.0030.03311.11
5.2.20.0170.03010.94
5.2.10.0170.03010.82
5.2.00.0070.03010.80
5.1.60.0030.03010.15
5.1.50.0030.0309.92
5.1.40.0100.0239.89
5.1.30.0130.03010.29
5.1.20.0130.02310.47
5.1.10.0130.02310.03
5.1.00.0030.02710.00
5.0.50.0000.0238.68
5.0.40.0030.0208.50
5.0.30.0070.0308.19
5.0.20.0100.0208.21
5.0.10.0000.0238.11
5.0.00.0130.0238.10
4.4.90.0030.0178.03
4.4.80.0070.0138.03
4.4.70.0030.0208.03
4.4.60.0000.0208.03
4.4.50.0070.0138.03
4.4.40.0070.0238.03
4.4.30.0030.0178.03
4.4.20.0070.0138.03
4.4.10.0030.0208.03
4.4.00.0170.0278.03
4.3.110.0030.0208.03
4.3.100.0100.0138.03
4.3.90.0130.0138.03
4.3.80.0070.0538.03
4.3.70.0070.0378.03
4.3.60.0070.0238.03
4.3.50.0100.0278.03
4.3.40.0070.0338.03
4.3.30.0030.0178.03
4.3.20.0030.0278.03
4.3.10.0030.0408.03
4.3.00.0030.0378.03

preferences:
70.9 ms | 400 KiB | 5 Q