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; $cmp = cmp($min); $cmp_max = cmp($max); if ($cmp === $cmp_max) { return; } while ($min < $max) { $mid = round(($min+$max)/2, 0)-1; $k = cmp($mid); echo "$min=>$cmp $mid=>$k $max=>$cmp_max\n"; if ($k == $cmp && $k !== cmp($mid+1)) { $vals[] = $mid; $vals[] = $mid+1; return; } if ($k > $cmp) { $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)
8.3.60.0120.00316.62
8.3.50.0150.00523.04
8.3.40.0160.00619.02
8.3.30.0080.00819.21
8.3.20.0090.00920.51
8.3.10.0080.00021.89
8.3.00.0030.00517.75
8.2.180.0070.01016.63
8.2.170.0180.00322.96
8.2.160.0110.00420.46
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0120.00326.16
8.2.120.0050.00321.10
8.2.110.0050.00521.00
8.2.100.0000.01117.91
8.2.90.0040.00418.34
8.2.80.0040.00419.28
8.2.70.0030.00517.63
8.2.60.0030.00517.75
8.2.50.0080.00017.63
8.2.40.0000.01118.22
8.2.30.0000.00818.24
8.2.20.0060.00317.81
8.2.10.0030.00518.32
8.2.00.0040.00417.85
8.1.280.0120.00325.92
8.1.270.0030.00624.00
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00623.92
8.1.230.0070.00420.84
8.1.220.0080.00017.77
8.1.210.0040.00420.14
8.1.200.0030.00717.35
8.1.190.0040.00417.36
8.1.180.0100.00618.10
8.1.170.0060.00318.64
8.1.160.0030.00622.04
8.1.150.0000.00818.91
8.1.140.0040.00417.58
8.1.130.0020.00517.94
8.1.120.0000.00817.47
8.1.110.0040.00417.48
8.1.100.0000.00717.54
8.1.90.0060.00317.59
8.1.80.0000.00717.57
8.1.70.0030.00317.53
8.1.60.0030.00617.66
8.1.50.0090.00017.59
8.1.40.0060.00317.58
8.1.30.0030.00517.79
8.1.20.0040.00717.67
8.1.10.0040.00417.59
8.1.00.0040.00417.67
8.0.300.0030.00520.34
8.0.290.0040.00416.75
8.0.280.0000.00718.63
8.0.270.0060.00617.33
8.0.260.0000.00717.29
8.0.250.0040.00417.07
8.0.240.0030.00316.96
8.0.230.0020.00517.03
8.0.220.0040.00417.00
8.0.210.0000.00717.00
8.0.200.0050.00316.98
8.0.190.0030.00616.93
8.0.180.0020.00517.00
8.0.170.0060.00316.98
8.0.160.0040.00417.02
8.0.150.0030.00616.92
8.0.140.0000.00816.96
8.0.130.0000.00613.46
8.0.120.0060.00316.95
8.0.110.0040.00416.98
8.0.100.0080.00016.95
8.0.90.0000.00816.95
8.0.80.0080.00817.07
8.0.70.0050.00316.81
8.0.60.0040.00416.86
8.0.50.0080.00016.95
8.0.30.0090.01117.11
8.0.20.0180.00617.40
8.0.10.0000.00716.97
8.0.00.0070.01316.72
7.4.330.0030.00315.07
7.4.320.0030.00316.57
7.4.300.0000.00716.58
7.4.290.0040.00416.71
7.4.280.0030.00516.70
7.4.270.0000.00716.61
7.4.260.0000.00716.56
7.4.250.0050.00316.56
7.4.240.0060.00216.68
7.4.230.0040.00416.80
7.4.220.0060.01316.65
7.4.210.0070.01016.80
7.4.200.0040.00416.55
7.4.160.0110.00816.60
7.4.150.0130.00617.40
7.4.140.0100.01117.86
7.4.130.0090.00916.61
7.4.120.0080.01316.56
7.4.110.0110.01416.64
7.4.100.0060.01216.59
7.4.90.0060.01616.48
7.4.80.0030.01719.39
7.4.70.0070.01016.57
7.4.60.0070.01016.39
7.4.50.0080.00016.74
7.4.40.0120.00616.76
7.4.30.0090.00916.46
7.4.00.0070.01015.06
7.3.330.0070.00013.30
7.3.320.0000.00513.46
7.3.310.0050.00316.38
7.3.300.0080.00016.36
7.3.290.0080.00816.48
7.3.280.0070.01016.45
7.3.270.0050.01517.40
7.3.260.0060.01216.80
7.3.250.0080.00916.50
7.3.240.0170.01016.74
7.3.230.0090.00916.51
7.3.210.0060.01316.47
7.3.200.0130.01019.39
7.3.190.0060.01316.48
7.3.180.0100.00616.42
7.3.170.0050.01216.49
7.3.160.0060.01116.60
7.2.330.0100.00716.90
7.2.320.0100.01116.59
7.2.310.0030.01416.79
7.2.300.0050.01116.91
7.2.290.0120.00616.80
7.2.00.0030.00919.10
7.1.100.0000.01418.23
7.1.70.0030.00616.92
7.1.60.0130.01319.40
7.1.50.0140.01016.97
7.1.00.0100.07022.51
7.0.200.0030.00716.83
7.0.140.0000.08022.02
7.0.60.0030.04020.06
7.0.50.0070.08717.90
7.0.40.0070.07320.13
7.0.30.0200.04320.15
7.0.20.0270.08320.16
7.0.10.0030.07020.30
7.0.00.0100.06320.24
5.6.210.0070.06020.54
5.6.200.0030.04018.25
5.6.190.0030.09020.33
5.6.180.0370.07720.55
5.6.170.0400.07320.57
5.6.160.0000.05020.45
5.6.150.0130.04018.16
5.6.140.0070.03718.22
5.6.130.0100.08018.28
5.6.120.0130.07021.02
5.6.110.0230.05721.01
5.6.100.0200.07721.01
5.6.90.0070.09020.96
5.6.80.0100.03320.31
5.5.350.0030.03320.36
5.5.340.0070.08317.97
5.5.330.0170.07720.18
5.5.320.0230.04720.25
5.5.310.0170.04020.42
5.5.300.0070.07717.98
5.5.290.0070.07317.97
5.5.280.0100.07720.90
5.5.270.0130.07020.67
5.5.260.0170.07320.89
5.5.250.0100.07720.52
5.5.240.0200.05320.39
5.4.450.0270.04719.57
5.4.440.0670.04319.41
5.4.430.0530.04319.54
5.4.420.0370.04319.70
5.4.410.0270.05019.50
5.4.400.0400.04019.23
5.4.390.0200.04319.26
5.4.380.0570.06018.67
5.4.370.0670.05318.77
5.4.360.1070.06718.57
5.4.350.0530.08018.80
5.4.340.0870.05718.68
5.4.320.0120.04212.54
5.4.310.0070.05412.54
5.4.300.0100.04312.54
5.4.290.0080.04612.54
5.4.280.0050.03812.43
5.4.270.0030.04312.43
5.4.260.0020.04512.44
5.4.250.0060.03812.43
5.4.240.0070.03712.43
5.4.230.0090.05012.42
5.4.220.0120.05312.43
5.4.210.0110.05412.42
5.4.200.0060.05912.43
5.4.190.0080.05812.42
5.4.180.0090.05312.42
5.4.170.0160.08212.44
5.4.160.0180.04312.43
5.4.150.0060.05312.42
5.4.140.0050.04012.10
5.4.130.0050.04012.10
5.4.120.0070.03512.05
5.4.110.0040.03912.05
5.4.100.0050.03812.05
5.4.90.0110.06312.04
5.4.80.0100.05112.05
5.4.70.0100.05212.05
5.4.60.0070.04012.05
5.4.50.0070.04612.04
5.4.40.0080.03912.03
5.4.30.0070.04312.03
5.4.20.0050.04012.03
5.4.10.0060.03912.03
5.4.00.0050.05111.52
5.3.290.0060.05112.80
5.3.280.0090.05412.73
5.3.270.0160.05312.75
5.3.260.0130.05712.74
5.3.250.0150.05912.74
5.3.240.0120.05212.74
5.3.230.0090.05212.73
5.3.220.0110.04112.71
5.3.210.0090.05312.71
5.3.200.0120.05912.70
5.3.190.0110.05012.70
5.3.180.0080.05912.70
5.3.170.0090.05412.70
5.3.160.0090.05412.70
5.3.150.0070.05912.70
5.3.140.0070.05312.69
5.3.130.0100.04012.69
5.3.120.0120.05112.68
5.3.110.0070.05812.68
5.3.100.0150.06212.17
5.3.90.0150.10912.15
5.3.80.0100.04312.14
5.3.70.0090.04212.14
5.3.60.0100.05212.12
5.3.50.0080.05512.07
5.3.40.0070.04112.07
5.3.30.0110.04512.03
5.3.20.0120.04911.81
5.3.10.0070.07411.78
5.3.00.0150.06811.76
5.2.170.0110.0469.29
5.2.160.0120.0469.29
5.2.150.0110.0479.29
5.2.140.0080.0449.29
5.2.130.0100.0449.25
5.2.120.0100.0379.25
5.2.110.0070.0349.25
5.2.100.0070.0419.25
5.2.90.0070.0389.24
5.2.80.0080.0369.24
5.2.70.0070.0369.24
5.2.60.0100.0339.20
5.2.50.0060.0349.17
5.2.40.0030.0339.14
5.2.30.0060.0309.12
5.2.20.0080.0289.11
5.2.10.0090.0279.03
5.2.00.0060.0328.89
5.1.60.0090.0248.19
5.1.50.0080.0278.19
5.1.40.0070.0278.17
5.1.30.0050.0358.52
5.1.20.0050.0458.55
5.1.10.0090.0398.26
5.1.00.0060.0418.27
5.0.50.0050.0336.76
5.0.40.0070.0306.62
5.0.30.0040.0486.43
5.0.20.0090.0356.39
5.0.10.0050.0356.37
5.0.00.0060.0436.36
4.4.90.0050.0224.78
4.4.80.0040.0184.76
4.4.70.0040.0174.75
4.4.60.0050.0184.75
4.4.50.0020.0224.77
4.4.40.0030.0284.77
4.4.30.0040.0234.76
4.4.20.0110.0444.84
4.4.10.0100.0314.85
4.4.00.0020.0394.80
4.3.110.0040.0264.69
4.3.100.0070.0224.68
4.3.90.0060.0264.66
4.3.80.0110.0424.65
4.3.70.0130.0184.65
4.3.60.0160.0434.66
4.3.50.0070.0284.65
4.3.40.0040.0424.61
4.3.30.0040.0273.42
4.3.20.0050.0273.41
4.3.10.0030.0263.35
4.3.00.0100.01315.91

preferences:
42.03 ms | 401 KiB | 5 Q