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 $val; } function duration($val) { if ($val < 24) { return sprintf('%d', $val).'h'; } if ($val < 24*10) { return sprintf('%1.1f', $val/24).'d'; } if ($val < 168*10) { return sprintf('%1.1f', $val/168).'w'; } //if ($val < 730*10) { // return sprintf('%1.1f', $val/730).'m'; //} return sprintf('%1.1f', $val/8760).'y'; } function cmp($val) { return strlen(gdr_encode($val))+2-strlen($val); } function insert(&$vals, $n) { $min = intval('1'.str_repeat('0', $n-1)); $max = intval(str_repeat('9', $n)); $vals[] = $min; $vals[] = $max; $len = cmp($min); if ($len <= cmp($max)) { return; } while ($min < $max) { $mid = round(($min+$max)/2, 0)-1; $k = cmp($mid); echo "$min $mid $max $k\n"; if ($k == $len && $k < cmp($mid+1)) { $vals[] = $mid; $vals[] = $mid+1; return; } if ($k <= $len) { $max = $mid-1; } else { $min = $mid+1; } } } $vals = array(0); for ($i=1; $i<8; $i++) { insert($vals, $i); } $vals = array_unique($vals); sort($vals); //$vals = array( // 0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, // 100000, 250000, 500000, 750000, 999999, 1000000, 9999999, //4294967295, 4294967296 //); echo sprintf("%7s %7s %7s %4s\n", 'num', 'str', 'time', '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("%7d %7s %7s %4d\n", $dec, "\"$enc\"", duration($val), strlen($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)
8.3.60.0090.00616.50
8.3.50.0050.01122.86
8.3.40.0140.00718.97
8.3.30.0190.00319.04
8.3.20.0030.00520.16
8.3.10.0090.00021.74
8.3.00.0080.00017.63
8.2.180.0100.00716.88
8.2.170.0120.00322.96
8.2.160.0090.00920.52
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0080.01126.16
8.2.120.0030.00621.00
8.2.110.0070.01021.97
8.2.100.0060.00617.91
8.2.90.0030.00519.21
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0000.00918.07
8.2.40.0030.00718.22
8.2.30.0050.00318.25
8.2.20.0040.00417.75
8.2.10.0000.00718.32
8.2.00.0040.00417.79
8.1.280.0040.01825.92
8.1.270.0060.00323.77
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0050.00523.98
8.1.230.0070.00419.14
8.1.220.0050.00317.76
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0060.00317.35
8.1.180.0000.00918.10
8.1.170.0000.00818.64
8.1.160.0040.00422.13
8.1.150.0000.00718.89
8.1.140.0000.00717.51
8.1.130.0070.00017.94
8.1.120.0000.00717.52
8.1.110.0000.00817.57
8.1.100.0040.00417.57
8.1.90.0030.00617.51
8.1.80.0040.00417.50
8.1.70.0000.00717.40
8.1.60.0090.00017.57
8.1.50.0030.00517.52
8.1.40.0050.00317.63
8.1.30.0060.00317.57
8.1.20.0000.00817.70
8.1.10.0000.00917.57
8.1.00.0040.00417.61
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0040.00418.38
8.0.270.0030.00317.29
8.0.260.0000.00717.21
8.0.250.0000.00716.95
8.0.240.0050.00216.91
8.0.230.0000.00716.97
8.0.220.0000.00816.95
8.0.210.0030.00316.96
8.0.200.0000.00716.93
8.0.190.0070.00016.96
8.0.180.0040.00416.94
8.0.170.0000.00917.00
8.0.160.0050.00216.95
8.0.150.0040.00416.80
8.0.140.0040.00416.88
8.0.130.0060.00013.46
8.0.120.0050.00316.77
8.0.110.0040.00416.85
8.0.100.0020.00516.72
8.0.90.0080.00016.98
8.0.80.0070.01416.91
8.0.70.0050.00317.06
8.0.60.0000.00716.80
8.0.50.0040.00416.98
8.0.30.0140.00517.12
8.0.20.0090.01117.40
8.0.10.0000.00916.94
8.0.00.0100.00916.62
7.4.330.0000.00515.14
7.4.320.0030.00316.58
7.4.300.0000.00716.66
7.4.290.0040.00416.60
7.4.280.0070.00016.54
7.4.270.0000.00716.63
7.4.260.0000.00716.55
7.4.250.0040.00416.59
7.4.240.0040.00316.58
7.4.230.0000.00716.70
7.4.220.0030.01616.74
7.4.210.0070.01316.61
7.4.200.0000.00716.75
7.4.160.0080.00816.46
7.4.150.0070.01117.40
7.4.140.0130.00717.86
7.4.130.0160.00816.34
7.4.120.0090.01216.47
7.4.110.0200.00316.60
7.4.100.0150.00616.69
7.4.90.0030.01416.43
7.4.80.0110.00819.39
7.4.70.0140.00316.44
7.4.60.0080.00816.42
7.4.50.0000.00716.56
7.4.40.0090.00916.76
7.4.30.0130.01016.60
7.4.00.0090.00614.94
7.3.330.0070.00013.37
7.3.320.0050.00013.41
7.3.310.0030.00316.31
7.3.300.0070.00016.35
7.3.290.0060.01316.33
7.3.280.0060.01016.40
7.3.270.0030.01617.40
7.3.260.0070.01016.58
7.3.240.0080.01116.49
7.3.230.0070.01016.50
7.3.210.0090.01216.57
7.3.200.0140.00619.39
7.3.190.0150.00716.68
7.3.180.0160.00016.36
7.3.170.0070.01016.48
7.3.160.0060.01116.62
7.2.330.0140.00616.73
7.2.320.0000.01716.83
7.2.310.0080.01116.80
7.2.300.0040.01316.70
7.2.290.0110.00616.83
7.2.60.0000.01516.86
7.1.200.0060.01015.71
7.1.100.0040.01118.34
7.1.70.0060.00317.21
7.1.60.0100.01019.40
7.1.50.0090.01516.96
7.1.00.0000.07722.48
7.0.200.0040.00416.70
7.0.140.0000.07722.06
7.0.60.0070.05019.90
7.0.50.0030.04017.90
7.0.40.0100.04320.09
7.0.30.0330.07320.13
7.0.20.0370.05720.12
7.0.10.0030.06320.19
7.0.00.0100.08020.35
5.6.280.0030.07321.13
5.6.210.0070.08320.57
5.6.200.0100.05318.25
5.6.190.0030.05320.33
5.6.180.0230.04720.77
5.6.170.0100.04720.45
5.6.160.0130.07020.45
5.6.150.0030.04318.25
5.6.140.0070.05318.29
5.6.130.0100.08318.16
5.6.120.0170.03321.04
5.6.110.0130.08321.00
5.6.100.0070.04021.06
5.6.90.0100.06721.10
5.6.80.0030.04320.47
5.5.350.0000.08720.38
5.5.340.0100.07317.97
5.5.330.0030.09020.25
5.5.320.0300.06020.19
5.5.310.0370.07320.34
5.5.300.0100.06018.08
5.5.290.0070.07718.02
5.5.280.0070.08720.89
5.5.270.0030.09020.78
5.5.260.0100.08020.79
5.5.250.0030.08320.52
5.5.240.0270.03320.26
5.4.450.0270.05319.22
5.4.440.0270.03319.52
5.4.430.0270.03319.57
5.4.420.0300.04719.48
5.4.410.0230.04319.26
5.4.400.0670.04319.11
5.4.390.0330.04318.98
5.4.380.0870.05018.60
5.4.370.1870.07018.62
5.4.360.0770.05318.75
5.4.350.0870.05018.55
5.4.340.0930.05718.77
5.4.320.0100.04912.54
5.4.310.0090.05112.53
5.4.300.0020.05012.54
5.4.290.0060.03912.54
5.4.280.0070.04912.43
5.4.270.0110.03312.43
5.4.260.0100.03812.43
5.4.250.0070.03812.43
5.4.240.0060.04412.43
5.4.230.0080.05312.43
5.4.220.0070.04212.42
5.4.210.0090.04312.42
5.4.200.0090.04012.42
5.4.190.0060.03812.42
5.4.180.0110.04412.42
5.4.170.0070.04812.43
5.4.160.0110.04712.42
5.4.150.0090.04712.42
5.4.140.0080.04712.10
5.4.130.0060.04112.09
5.4.120.0100.04012.05
5.4.110.0070.05112.04
5.4.100.0050.05412.05
5.4.90.0110.09712.04
5.4.80.0030.05512.05
5.4.70.0050.04812.04
5.4.60.0060.03712.04
5.4.50.0040.03812.04
5.4.40.0070.03812.03
5.4.30.0070.04112.02
5.4.20.0040.04312.03
5.4.10.0050.03712.02
5.4.00.0090.03411.52
5.3.290.0070.05412.80
5.3.280.0120.04512.73
5.3.270.0060.04212.74
5.3.260.0060.04012.74
5.3.250.0040.04012.74
5.3.240.0060.03812.74
5.3.230.0050.04512.73
5.3.220.0040.04212.70
5.3.210.0060.04012.70
5.3.200.0080.03712.70
5.3.190.0060.03912.70
5.3.180.0090.03512.70
5.3.170.0080.04412.70
5.3.160.0110.05312.70
5.3.150.0070.04912.70
5.3.140.0070.05212.69
5.3.130.0090.04812.68
5.3.120.0090.05612.68
5.3.110.0080.06512.68
5.3.100.0100.05812.16
5.3.90.0080.04112.15
5.3.80.0060.05012.14
5.3.70.0110.05112.14
5.3.60.0120.04612.12
5.3.50.0100.04112.07
5.3.40.0030.04112.07
5.3.30.0070.05112.03
5.3.20.0040.03911.81
5.3.10.0060.03611.77
5.3.00.0060.03811.76
5.2.170.0050.0359.27
5.2.160.0090.0259.27
5.2.150.0040.0339.27
5.2.140.0090.0299.27
5.2.130.0080.0349.23
5.2.120.0060.0419.23
5.2.110.0060.0319.23
5.2.100.0070.0409.23
5.2.90.0030.0339.23
5.2.80.0030.0339.22
5.2.70.0070.0289.22
5.2.60.0030.0369.18
5.2.50.0080.0349.15
5.2.40.0100.0359.13
5.2.30.0070.0379.10
5.2.20.0080.0389.09
5.2.10.0080.0429.00
5.2.00.0110.0328.86
5.1.60.0070.0348.14
5.1.50.0080.0378.14
5.1.40.0100.0358.12
5.1.30.0050.0338.48
5.1.20.0020.0378.50
5.1.10.0040.0288.22
5.1.00.0030.0288.22
5.0.50.0030.0246.72
5.0.40.0030.0236.57
5.0.30.0040.0336.39
5.0.20.0020.0246.35
5.0.10.0070.0246.33
5.0.00.0040.0376.32
4.4.90.0030.0184.78
4.4.80.0050.0224.75
4.4.70.0020.0244.76
4.4.60.0050.0204.75
4.4.50.0040.0174.77
4.4.40.0060.0334.73
4.4.30.0040.0184.76
4.4.20.0000.0274.84
4.4.10.0040.0244.85
4.4.00.0070.0294.76
4.3.110.0050.0224.67
4.3.100.0060.0164.66
4.3.90.0040.0214.64
4.3.80.0010.0304.61
4.3.70.0030.0154.63
4.3.60.0040.0154.63
4.3.50.0030.0174.63
4.3.40.0020.0284.56
4.3.30.0030.0183.38
4.3.20.0010.0193.36
4.3.10.0020.0183.30
4.3.00.0070.01315.90

preferences:
62.9 ms | 401 KiB | 5 Q