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; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296); foreach ($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)
8.3.60.0060.01216.50
8.3.50.0090.00822.83
8.3.40.0070.01118.68
8.3.30.0150.00018.91
8.3.20.0040.00420.39
8.3.10.0040.00423.65
8.3.00.0080.00017.47
8.2.180.0070.01516.50
8.2.170.0110.00422.96
8.2.160.0050.00920.40
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0030.00520.87
8.2.110.0030.00619.31
8.2.100.0090.00317.67
8.2.90.0060.00319.39
8.2.80.0040.00417.97
8.2.70.0030.00617.75
8.2.60.0000.01018.16
8.2.50.0040.00418.07
8.2.40.0100.00218.22
8.2.30.0000.00818.07
8.2.20.0020.00517.76
8.2.10.0040.00418.13
8.2.00.0060.00317.66
8.1.280.0180.00325.92
8.1.270.0030.00623.97
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0090.00023.91
8.1.230.0090.00320.67
8.1.220.0000.00818.59
8.1.210.0040.00719.07
8.1.200.0000.00917.35
8.1.190.0040.00417.25
8.1.180.0040.00418.10
8.1.170.0050.00318.70
8.1.160.0040.00422.03
8.1.150.0050.00318.89
8.1.140.0040.00417.45
8.1.130.0070.00017.89
8.1.120.0040.00417.50
8.1.110.0030.00517.40
8.1.100.0040.00417.48
8.1.90.0000.00717.46
8.1.80.0000.00717.38
8.1.70.0030.00317.44
8.1.60.0060.00317.47
8.1.50.0000.00817.51
8.1.40.0000.00917.46
8.1.30.0000.00817.57
8.1.20.0040.00417.61
8.1.10.0040.00417.61
8.1.00.0000.00717.49
8.0.300.0000.00720.04
8.0.290.0040.00416.63
8.0.280.0000.00718.42
8.0.270.0050.00617.28
8.0.260.0030.00617.34
8.0.250.0070.00016.95
8.0.240.0000.00716.99
8.0.230.0030.00316.96
8.0.220.0000.00716.82
8.0.210.0030.00316.87
8.0.200.0000.00716.99
8.0.190.0070.00016.95
8.0.180.0040.00417.00
8.0.170.0000.00816.94
8.0.160.0000.00716.90
8.0.150.0040.00416.75
8.0.140.0030.00616.77
8.0.130.0030.00313.36
8.0.120.0000.00816.79
8.0.110.0040.00416.80
8.0.100.0040.00416.82
8.0.90.0040.00416.70
8.0.80.0040.01216.96
8.0.70.0000.00816.93
8.0.60.0070.00016.92
8.0.50.0040.00416.78
8.0.30.0080.01117.08
8.0.20.0090.01117.40
8.0.10.0070.00016.83
8.0.00.0080.01016.55
7.4.330.0030.00315.14
7.4.320.0000.00616.54
7.4.300.0000.00616.52
7.4.290.0030.00316.67
7.4.280.0040.00416.54
7.4.270.0030.00316.58
7.4.260.0070.00316.54
7.4.250.0060.00316.41
7.4.240.0020.00616.52
7.4.230.0000.00716.46
7.4.220.0200.00616.66
7.4.210.0070.00716.64
7.4.200.0040.00416.37
7.4.160.0110.00616.64
7.4.150.0140.00317.40
7.4.140.0090.01217.86
7.4.130.0080.01116.50
7.4.120.0030.01516.54
7.4.110.0150.00916.53
7.4.100.0130.01016.62
7.4.90.0130.00716.45
7.4.80.0060.01219.39
7.4.70.0100.00616.48
7.4.60.0060.01116.37
7.4.50.0020.00216.50
7.4.40.0130.00616.42
7.4.30.0070.01016.40
7.4.00.0090.00614.96
7.3.330.0030.00313.41
7.3.320.0000.00613.23
7.3.310.0000.00816.41
7.3.300.0000.00716.42
7.3.290.0000.01316.40
7.3.280.0080.01216.41
7.3.270.0090.00917.40
7.3.260.0140.01016.53
7.3.240.0130.00916.54
7.3.230.0130.00316.45
7.3.210.0090.00916.58
7.3.200.0130.00719.39
7.3.190.0150.00616.30
7.3.180.0120.00316.43
7.3.170.0090.00616.39
7.3.160.0030.01316.49
7.3.10.0090.00616.77
7.3.00.0000.01516.77
7.2.330.0060.01016.51
7.2.320.0070.01016.80
7.2.310.0140.00316.41
7.2.300.0120.00416.60
7.2.290.0100.00716.83
7.2.130.0030.01017.02
7.2.120.0000.00917.18
7.2.110.0030.00717.10
7.2.100.0070.00716.64
7.2.90.0070.00316.62
7.2.80.0030.00617.16
7.2.70.0100.00317.06
7.2.60.0090.00617.06
7.2.50.0070.00317.03
7.2.40.0040.01117.13
7.2.30.0080.00317.08
7.2.20.0060.00616.86
7.2.10.0100.00316.84
7.2.00.0090.00718.18
7.1.250.0080.00815.89
7.1.200.0050.00315.82
7.1.100.0000.01318.06
7.1.70.0000.00817.17
7.1.60.0140.00719.40
7.1.50.0070.01416.69
7.1.00.0030.07722.44
7.0.200.0000.01116.62
7.0.140.0100.06022.15
7.0.110.0500.07319.94
7.0.100.0570.07019.98
7.0.90.0500.06719.87
7.0.80.0470.08020.02
7.0.70.0370.04720.09
7.0.60.0500.03019.93
7.0.50.0530.07720.10
7.0.40.0030.04019.76
7.0.30.0030.07319.68
7.0.20.0070.07319.82
7.0.10.0100.07319.75
7.0.00.0030.08319.84
5.6.280.0070.06721.08
5.6.260.0070.06720.90
5.6.250.0070.08020.69
5.6.240.0130.07020.69
5.6.230.0100.07720.87
5.6.220.0100.07320.55
5.6.210.0070.08320.63
5.6.200.0070.06320.58
5.6.190.0100.08020.71
5.6.180.0070.03320.57
5.6.170.0200.02320.60
5.6.160.0030.05720.51
5.6.150.0030.08020.67
5.6.140.0030.07320.57
5.6.130.0130.06020.64
5.6.120.0100.04320.62
5.6.110.0070.07020.50
5.6.100.0100.08020.46
5.6.90.0130.07720.55
5.6.80.0070.06019.96
5.6.70.0100.07719.95
5.6.60.0030.05020.03
5.6.50.0070.08020.01
5.6.40.0170.06720.06
5.6.30.0100.08019.93
5.6.20.0100.06319.95
5.6.10.0130.05719.99
5.6.00.0100.07319.93
5.5.380.0070.03317.53
5.5.370.0030.04017.56
5.5.360.0100.06717.69
5.5.350.0130.07717.54
5.5.340.0030.03718.09
5.5.330.0030.04018.13
5.5.320.0070.06318.13
5.5.310.0100.07017.95
5.5.300.0100.07718.14
5.5.290.0130.03717.93
5.5.280.0000.08018.07
5.5.270.0100.08018.07
5.5.260.0030.08318.22
5.5.250.0070.08318.07
5.5.240.0100.06717.60
5.5.230.0100.07717.45
5.5.220.0070.08017.50
5.5.210.0100.03717.48
5.5.200.0070.04017.43
5.5.190.0030.05717.29
5.5.180.0100.08017.31
5.5.160.0100.08017.48
5.5.150.0130.07317.47
5.5.140.0170.06317.44
5.5.130.0000.06017.46
5.5.120.0130.06717.28
5.5.110.0000.04317.57
5.5.100.0000.08717.14
5.5.90.0070.07017.18
5.5.80.0070.04017.34
5.5.70.0130.07317.15
5.5.60.0100.08017.17
5.5.50.0200.07317.07
5.5.40.0030.07717.14
5.5.30.0170.06317.33
5.5.20.0070.07717.34
5.5.10.0070.07317.48
5.5.00.0100.03717.46
5.4.450.0330.02319.32
5.4.440.0100.07019.57
5.4.430.0100.07719.63
5.4.420.0070.07719.41
5.4.410.0070.07319.38
5.4.400.0100.03719.20
5.4.390.0000.07019.34
5.4.380.0130.06019.09
5.4.370.0200.06319.01
5.4.360.0100.08019.11
5.4.350.0030.04718.95
5.4.340.0070.03719.04
5.4.320.0130.07319.01
5.4.310.0170.06319.31
5.4.300.0100.03319.01
5.4.290.0100.03318.95
5.4.280.0000.08019.18
5.4.270.0030.04318.98
5.4.260.0100.07019.35
5.4.250.0100.07019.17
5.4.240.0170.07018.98
5.4.230.0200.03019.32
5.4.220.0070.07719.18
5.4.210.0100.07719.18
5.4.200.0070.08019.32
5.4.190.0170.06319.27
5.4.180.0100.04019.13
5.4.170.0000.06318.97
5.4.160.0200.06719.16
5.4.150.0000.06719.32
5.4.140.0030.07316.52
5.4.130.0070.07316.60
5.4.120.0070.04316.34
5.4.110.0000.06316.37
5.4.100.0030.06316.52
5.4.90.0100.07016.46
5.4.80.0170.03316.54
5.4.70.0000.05316.65
5.4.60.0030.06316.43
5.4.50.0070.04016.52
5.4.40.0100.07016.45
5.4.30.0070.06716.59
5.4.20.0030.07316.46
5.4.10.0070.04716.38
5.4.00.0000.08015.73
5.3.290.0070.07714.84
5.3.280.0100.06314.58
5.3.270.0030.04314.59
5.3.260.0100.07314.63
5.3.250.0030.05014.76
5.3.240.0000.04714.62
5.3.230.0070.07014.63
5.3.220.0130.06314.72
5.3.210.0070.07014.72
5.3.200.0030.07014.55
5.3.190.0030.07714.82
5.3.180.0130.07314.73
5.3.170.0030.04014.67
5.3.160.0100.07014.59
5.3.150.0100.07714.58
5.3.140.0100.04014.61
5.3.130.0030.07714.61
5.3.120.0100.08314.59
5.3.110.0070.08014.57
5.3.100.0100.07014.09
5.3.90.0030.07714.18
5.3.80.0100.07014.07
5.3.70.0100.04314.27
5.3.60.0030.07014.05
5.3.50.0100.07314.11
5.3.40.0030.07314.06
5.3.30.0000.08713.93
5.3.20.0070.07713.88
5.3.10.0100.05013.82
5.3.00.0000.05713.66
5.2.170.0030.03311.88
5.2.160.0070.06011.88
5.2.150.0070.06711.88
5.2.140.0070.06011.88
5.2.130.0100.06011.88
5.2.120.0070.02711.88
5.2.110.0030.06311.88
5.2.100.0100.06011.88
5.2.90.0030.04711.88
5.2.80.0070.05311.88
5.2.70.0000.07011.88
5.2.60.0030.04311.88
5.2.50.0030.04011.88
5.2.40.0000.03311.88
5.2.30.0070.06011.88
5.2.20.0000.03711.88
5.2.10.0130.05311.88
5.2.00.0030.03311.88
5.1.60.0030.05311.88
5.1.50.0030.03011.88
5.1.40.0100.04711.88
5.1.30.0030.06011.88
5.1.20.0030.06311.88
5.1.10.0030.06011.88
5.1.00.0000.05711.88
5.0.50.0000.05311.88
5.0.40.0100.04011.88
5.0.30.0000.06711.88
5.0.20.0030.02311.88
5.0.10.0000.03011.88
5.0.00.0070.06011.88
4.4.90.0070.03311.88
4.4.80.0070.03011.88
4.4.70.0030.03711.88
4.4.60.0000.03711.88
4.4.50.0000.03711.88
4.4.40.0000.05311.88
4.4.30.0070.03711.88
4.4.20.0100.03711.88
4.4.10.0000.04011.88
4.4.00.0070.05711.88
4.3.110.0000.04011.88
4.3.100.0030.02311.88
4.3.90.0000.03711.88
4.3.80.0030.05011.88
4.3.70.0030.02711.88
4.3.60.0070.02011.88
4.3.50.0130.02011.88
4.3.40.0070.04311.88
4.3.30.0030.02711.88
4.3.20.0030.03311.88
4.3.10.0000.03711.88
4.3.00.0000.03711.88

preferences:
47.36 ms | 401 KiB | 5 Q