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 $val; } function enclens($var) { return array(strlen($var), strlen(gdr_encode($var))+2); } 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', $val/8760).'y'; } function insert(&$vals, $n) { $min = intval('1'.str_repeat('0', $n-1)); $max = intval(str_repeat('9', $n)); $vals[] = $min; $vals[] = $max; $min_len = strlen(gdr_encode($min))+2; $max_len = strlen(gdr_encode($max))+2; if ($min_len == $max_len) { return; } echo "$min $max\n"; } $vals = array(0); for ($i=1; $i<8; $i++) { insert($vals, $i); } $vals = array_unique($vals); sort($vals); //print_r($vals); //echo "\n\n"; //$vals = array( // 0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, // 100000, 250000, 500000, 750000, 999999, 1000000, 9999999, //4294967295, 4294967296 //); echo sprintf("%7s %7s %7s %4s\n", 'num', 'str', 'time', 'cmp'); foreach ($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)
8.3.60.0120.00916.63
8.3.50.0090.00722.98
8.3.40.0150.00418.77
8.3.30.0070.01419.05
8.3.20.0000.00820.16
8.3.10.0030.00521.76
8.3.00.0080.00019.25
8.2.180.0120.00616.63
8.2.170.0120.00322.96
8.2.160.0070.00720.34
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0090.00019.56
8.2.110.0090.00021.14
8.2.100.0110.00017.72
8.2.90.0050.00318.28
8.2.80.0000.00817.97
8.2.70.0040.00418.16
8.2.60.0000.00818.22
8.2.50.0000.00818.10
8.2.40.0030.00619.30
8.2.30.0000.00718.22
8.2.20.0080.00017.66
8.2.10.0000.00718.07
8.2.00.0040.00417.66
8.1.280.0160.00625.92
8.1.270.0060.00323.87
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0000.01123.97
8.1.230.0080.00420.85
8.1.220.0080.00017.74
8.1.210.0050.00318.84
8.1.200.0030.00717.23
8.1.190.0000.00817.35
8.1.180.0000.00818.10
8.1.170.0060.00318.49
8.1.160.0040.00418.84
8.1.150.0000.00718.90
8.1.140.0070.00017.35
8.1.130.0030.00317.82
8.1.120.0000.00817.52
8.1.110.0040.00417.41
8.1.100.0040.00417.55
8.1.90.0030.00717.49
8.1.80.0030.00517.53
8.1.70.0050.00217.44
8.1.60.0090.00017.51
8.1.50.0040.00417.60
8.1.40.0030.00617.55
8.1.30.0040.00417.54
8.1.20.0040.00417.69
8.1.10.0070.00017.51
8.1.00.0070.00017.52
8.0.300.0000.00819.87
8.0.290.0000.00916.75
8.0.280.0070.00018.45
8.0.270.0060.00317.19
8.0.260.0000.00717.16
8.0.250.0030.00317.00
8.0.240.0030.00317.01
8.0.230.0030.00316.85
8.0.220.0080.00016.89
8.0.210.0040.00416.90
8.0.200.0000.00716.97
8.0.190.0000.00716.97
8.0.180.0050.00316.85
8.0.170.0000.00816.98
8.0.160.0000.00716.95
8.0.150.0000.00916.82
8.0.140.0000.00816.91
8.0.130.0050.00013.31
8.0.120.0050.00316.78
8.0.110.0080.00016.93
8.0.100.0030.00616.96
8.0.90.0000.00716.91
8.0.80.0030.01416.88
8.0.70.0000.00716.95
8.0.60.0080.00016.87
8.0.50.0000.00716.98
8.0.30.0080.01217.04
8.0.20.0080.01117.40
8.0.10.0000.00717.10
8.0.00.0100.00916.71
7.4.330.0030.00315.20
7.4.320.0060.00016.49
7.4.300.0000.00716.55
7.4.290.0030.00316.57
7.4.280.0000.00816.45
7.4.270.0030.00316.60
7.4.260.0040.00416.63
7.4.250.0050.00216.53
7.4.240.0050.00216.59
7.4.230.0050.00216.65
7.4.220.0150.00416.54
7.4.210.0040.01116.51
7.4.200.0070.00016.63
7.4.160.0200.00316.60
7.4.150.0110.00717.40
7.4.140.0150.00717.86
7.4.130.0150.00316.50
7.4.120.0090.01216.56
7.4.110.0130.00316.77
7.4.100.0130.01016.32
7.4.90.0110.00516.70
7.4.80.0090.00919.39
7.4.70.0060.01216.55
7.4.60.0070.01116.50
7.4.50.0000.00716.55
7.4.40.0070.01316.52
7.4.30.0060.01016.75
7.4.00.0040.01114.68
7.3.330.0050.00313.40
7.3.320.0000.00613.37
7.3.310.0030.00316.37
7.3.300.0040.00416.36
7.3.290.0070.00716.37
7.3.280.0080.01116.36
7.3.270.0090.00917.40
7.3.260.0110.00716.45
7.3.240.0070.01116.66
7.3.230.0090.00916.48
7.3.210.0060.01216.39
7.3.200.0000.01819.39
7.3.190.0090.00916.50
7.3.180.0040.01816.50
7.3.170.0110.00716.67
7.3.160.0150.00616.39
7.2.330.0100.00716.55
7.2.320.0080.00916.58
7.2.310.0090.00916.90
7.2.300.0080.00916.97
7.2.290.0090.00916.76
7.2.60.0000.01417.05
7.2.50.0100.00316.63
7.2.00.0040.01119.41
7.1.200.0130.00015.98
7.1.100.0000.01618.27
7.1.70.0090.00017.18
7.1.60.0070.01719.40
7.1.50.0060.00916.71
7.1.00.0000.08022.54
7.0.200.0000.01016.89
7.0.140.0030.07021.98
7.0.60.0070.08720.09
7.0.50.0100.08717.91
7.0.40.0000.08720.40
7.0.30.0430.05320.06
7.0.20.0370.05720.06
7.0.10.0170.08020.12
7.0.00.0070.05020.25
5.6.210.0200.05020.67
5.6.200.0070.04018.15
5.6.190.0070.08320.61
5.6.180.0270.04320.33
5.6.170.0270.05020.46
5.6.160.0100.05320.39
5.6.150.0130.07718.23
5.6.140.0030.04018.27
5.6.130.0100.05018.19
5.6.120.0170.07720.92
5.6.110.0100.06021.16
5.6.100.0130.08020.97
5.6.90.0030.08020.99
5.6.80.0030.08720.56
5.5.350.0030.04320.45
5.5.340.0030.07017.96
5.5.330.0070.08320.47
5.5.320.0130.05720.35
5.5.310.0300.07020.34
5.5.300.0070.08317.96
5.5.290.0000.09018.04
5.5.280.0100.05020.91
5.5.270.0030.07720.90
5.5.260.0070.09320.86
5.5.250.0070.06720.48
5.5.240.0170.04320.18
5.4.450.0130.05319.33
5.4.440.0330.04019.41
5.4.430.0230.04019.57
5.4.420.0270.05319.47
5.4.410.0500.04319.04
5.4.400.0430.04019.32
5.4.390.0270.04319.11
5.4.380.0600.06718.55
5.4.370.0900.05718.63
5.4.360.0070.05718.73
5.4.350.0900.05318.74
5.4.340.0970.04718.69
5.4.320.0060.04212.53
5.4.310.0080.03912.52
5.4.300.0030.04112.53
5.4.290.0060.03812.53
5.4.280.0080.03412.43
5.4.270.0050.03812.43
5.4.260.0050.04212.43
5.4.250.0040.04812.43
5.4.240.0060.03612.43
5.4.230.0040.04112.42
5.4.220.0110.03312.42
5.4.210.0100.03212.42
5.4.200.0070.03712.41
5.4.190.0110.03112.41
5.4.180.0040.03912.41
5.4.170.0080.03412.43
5.4.160.0060.03612.41
5.4.150.0050.03612.41
5.4.140.0050.03912.10
5.4.130.0040.03712.09
5.4.120.0080.03312.04
5.4.110.0050.03612.04
5.4.100.0050.03812.04
5.4.90.0020.04112.04
5.4.80.0040.04012.04
5.4.70.0060.03512.04
5.4.60.0080.03312.04
5.4.50.0070.03512.04
5.4.40.0060.03412.02
5.4.30.0060.03612.02
5.4.20.0060.03712.02
5.4.10.0090.04512.02
5.4.00.0070.04611.51
5.3.290.0040.04112.80
5.3.280.0080.04012.72
5.3.270.0060.04112.73
5.3.260.0100.03712.73
5.3.250.0090.03512.73
5.3.240.0100.03412.73
5.3.230.0070.04112.72
5.3.220.0070.04512.69
5.3.210.0080.04012.69
5.3.200.0090.03612.69
5.3.190.0100.05212.69
5.3.180.0130.05512.68
5.3.170.0090.04512.69
5.3.160.0080.03612.68
5.3.150.0050.04612.69
5.3.140.0060.03812.68
5.3.130.0090.04212.68
5.3.120.0070.05612.67
5.3.110.0070.05712.68
5.3.100.0080.05312.16
5.3.90.0130.06112.14
5.3.80.0100.05112.13
5.3.70.0080.04412.13
5.3.60.0070.04512.11
5.3.50.0070.04612.07
5.3.40.0140.04512.07
5.3.30.0110.04812.03
5.3.20.0070.03811.81
5.3.10.0050.03711.77
5.3.00.0080.04211.75
5.2.170.0040.0399.27
5.2.160.0080.0519.27
5.2.150.0030.0459.27
5.2.140.0080.0439.27
5.2.130.0070.0439.23
5.2.120.0130.0409.23
5.2.110.0120.0399.23
5.2.100.0050.0469.22
5.2.90.0090.0439.22
5.2.80.0100.0439.22
5.2.70.0060.0529.22
5.2.60.0080.0579.17
5.2.50.0050.0569.14
5.2.40.0090.0469.12
5.2.30.0110.0379.09
5.2.20.0120.0659.08
5.2.10.0060.0338.99
5.2.00.0090.0348.86
5.1.60.0070.0258.13
5.1.50.0050.0268.13
5.1.40.0030.0288.11
5.1.30.0070.0318.47
5.1.20.0060.0368.48
5.1.10.0080.0308.21
5.1.00.0030.0288.21
5.0.50.0060.0206.70
5.0.40.0060.0196.56
5.0.30.0050.0356.38
5.0.20.0050.0206.34
5.0.10.0060.0206.31
5.0.00.0050.0326.30
4.4.90.0050.0154.78
4.4.80.0090.0224.75
4.4.70.0010.0194.75
4.4.60.0050.0154.76
4.4.50.0040.0164.77
4.4.40.0020.0284.71
4.4.30.0040.0164.76
4.4.20.0040.0174.84
4.4.10.0020.0174.85
4.4.00.0040.0294.76
4.3.110.0000.0194.67
4.3.100.0050.0164.66
4.3.90.0050.0214.64
4.3.80.0060.0244.60
4.3.70.0040.0154.63
4.3.60.0030.0164.63
4.3.50.0030.0204.63
4.3.40.0020.0264.55
4.3.30.0040.0153.36
4.3.20.0030.0163.34
4.3.10.0010.0183.29
4.3.00.0000.01715.90

preferences:
49.69 ms | 400 KiB | 5 Q