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 == $len && cmp($mid+1) == $len+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)
8.3.40.0120.00318.76
8.3.30.0040.01119.21
8.3.20.0090.00020.32
8.3.10.0070.00322.02
8.3.00.0060.00319.38
8.2.170.0040.01122.96
8.2.160.0110.01120.52
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0030.00620.95
8.2.110.0060.00322.39
8.2.100.0080.00417.84
8.2.90.0060.00319.39
8.2.80.0000.00817.97
8.2.70.0030.00617.75
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0050.00518.22
8.2.30.0040.00418.34
8.2.20.0000.00917.93
8.2.10.0080.00018.24
8.2.00.0040.00417.87
8.1.270.0070.00323.96
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00623.97
8.1.230.0070.00419.29
8.1.220.0000.00917.89
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0080.00017.35
8.1.180.0050.00318.10
8.1.170.0040.00418.63
8.1.160.0000.00722.07
8.1.150.0040.00418.96
8.1.140.0040.00417.43
8.1.130.0070.00017.93
8.1.120.0050.00317.52
8.1.110.0000.00817.61
8.1.100.0000.00717.46
8.1.90.0070.00317.43
8.1.80.0070.00017.58
8.1.70.0000.00717.50
8.1.60.0040.00417.66
8.1.50.0050.00317.55
8.1.40.0040.00417.54
8.1.30.0060.00317.82
8.1.20.0080.00017.77
8.1.10.0080.00017.67
8.1.00.0030.00517.58
8.0.300.0000.00918.77
8.0.290.0080.00017.00
8.0.280.0050.00218.43
8.0.270.0030.00517.31
8.0.260.0000.00717.41
8.0.250.0040.00417.10
8.0.240.0070.00017.03
8.0.230.0040.00417.02
8.0.220.0030.00316.91
8.0.210.0000.00716.99
8.0.200.0000.00716.99
8.0.190.0000.00717.09
8.0.180.0030.00617.04
8.0.170.0080.00017.07
8.0.160.0000.00716.94
8.0.150.0060.00317.03
8.0.140.0060.00316.95
8.0.130.0060.00013.46
8.0.120.0040.00416.88
8.0.110.0030.00516.91
8.0.100.0040.00416.82
8.0.90.0070.00016.96
8.0.80.0060.01616.93
8.0.70.0080.00017.11
8.0.60.0050.00316.90
8.0.50.0070.00016.89
8.0.30.0140.00617.19
8.0.20.0140.01417.40
8.0.10.0040.00417.12
8.0.00.0110.01116.96
7.4.330.0050.00015.16
7.4.320.0030.00316.56
7.4.300.0000.00716.70
7.4.290.0070.00016.72
7.4.280.0040.00416.61
7.4.270.0070.00016.71
7.4.260.0040.00416.70
7.4.250.0030.00516.50
7.4.240.0060.00216.70
7.4.230.0040.00416.79
7.4.220.0110.00716.66
7.4.210.0100.01016.58
7.4.200.0040.00416.52
7.4.160.0160.00016.75
7.4.150.0130.00717.40
7.4.140.0120.01117.86
7.4.130.0130.00416.60
7.4.120.0160.00816.63
7.4.110.0110.01116.73
7.4.100.0060.01216.76
7.4.90.0070.01116.65
7.4.80.0060.01219.39
7.4.70.0180.00016.79
7.4.60.0090.00916.73
7.4.50.0000.00416.71
7.4.40.0070.01016.52
7.4.30.0090.01016.78
7.4.00.0050.01315.10
7.3.330.0030.00313.25
7.3.320.0050.00013.41
7.3.310.0000.00716.52
7.3.300.0030.00316.49
7.3.290.0030.01216.52
7.3.280.0110.00716.47
7.3.270.0140.00717.40
7.3.260.0100.00816.52
7.3.250.0130.00516.58
7.3.240.0090.01516.48
7.3.230.0150.00316.58
7.3.210.0090.00916.68
7.3.200.0100.01019.39
7.3.190.0080.01416.53
7.3.180.0100.00716.80
7.3.170.0170.00016.53
7.3.160.0110.00716.56
7.3.120.0100.01014.68
7.3.110.0040.00814.77
7.3.100.0070.00714.65
7.3.90.0000.01114.98
7.3.80.0120.00614.71
7.3.70.0100.00614.67
7.3.60.0060.00314.69
7.3.50.0040.01114.59
7.3.40.0060.00914.91
7.3.30.0130.00314.87
7.3.20.0030.01016.72
7.3.10.0030.01316.49
7.3.00.0080.00416.63
7.2.330.0090.00916.71
7.2.320.0110.00716.59
7.2.310.0070.01016.71
7.2.300.0060.01116.92
7.2.290.0110.00716.49
7.2.250.0060.01315.34
7.2.240.0140.00715.32
7.2.230.0040.01115.34
7.2.220.0000.00915.28
7.2.210.0040.00814.95
7.2.200.0040.01115.19
7.2.190.0000.01515.05
7.2.180.0040.00714.92
7.2.170.0090.00315.12
7.2.00.0070.01019.10
7.1.330.0060.00915.85
7.1.320.0000.01515.69
7.1.310.0030.00615.86
7.1.300.0090.00615.62
7.1.290.0030.00715.63
7.1.280.0030.01015.90
7.1.270.0090.00015.51
7.1.260.0110.00415.54
7.1.100.0040.00718.07
7.1.70.0000.01617.01
7.1.60.0060.01919.40
7.1.50.0100.01317.01
7.1.00.0000.08022.35
7.0.200.0000.00716.79
7.0.140.0070.06722.10
7.0.100.0130.07320.10
7.0.90.0300.07719.91
7.0.80.0200.06019.96
7.0.70.0100.07019.97
7.0.60.0100.07319.97
7.0.50.0130.07320.35
7.0.40.0100.08020.00
7.0.30.0030.04720.09
7.0.20.0100.06020.19
7.0.10.0070.05720.09
7.0.00.0170.07320.17
5.6.280.0100.07021.10
5.6.250.0130.07720.62
5.6.240.0100.08020.54
5.6.230.0130.04720.68
5.6.220.0130.05320.69
5.6.210.0170.07020.78
5.6.200.0030.08321.09
5.6.190.0100.08021.19
5.6.180.0070.08320.98
5.6.170.0100.08321.16
5.6.160.0030.05021.05
5.6.150.0030.08321.05
5.6.140.0030.05020.96
5.6.130.0070.08321.04
5.6.120.0070.08721.06
5.6.110.0030.07021.16
5.6.100.0070.08721.10
5.6.90.0100.08021.12
5.6.80.0070.03720.49
5.6.70.0100.06020.45
5.6.60.0070.07720.44
5.6.50.0070.08020.36
5.6.40.0070.06020.45
5.6.30.0030.08020.31
5.6.20.0070.05020.34
5.6.10.0070.05320.49
5.6.00.0100.05720.54
5.5.380.0100.04720.37
5.5.370.0030.05720.38
5.5.360.0070.04020.43
5.5.350.0070.04020.48
5.5.340.0070.06020.93
5.5.330.0130.08320.92
5.5.320.0130.07720.67
5.5.310.0070.08320.82
5.5.300.0030.08720.93
5.5.290.0070.07020.83
5.5.280.0130.07020.89
5.5.270.0170.07320.85
5.5.260.0130.03320.86
5.5.250.0030.07720.64
5.5.240.0070.07020.34
5.5.230.0100.08020.14
5.5.220.0100.07320.26
5.5.210.0170.05320.28
5.5.200.0030.04020.11
5.5.190.0200.08720.17
5.5.180.0070.07720.27
5.5.160.0100.08020.27
5.5.150.0070.07320.11
5.5.140.0070.05020.23
5.5.130.0130.05020.19
5.5.120.0070.08320.15
5.5.110.0030.04020.18
5.5.100.0100.08020.11
5.5.90.0130.03320.18
5.5.80.0030.07020.15
5.5.70.0130.06720.09
5.5.60.0130.06720.09
5.5.50.0100.08020.11
5.5.40.0070.08020.14
5.5.30.0070.07320.12
5.5.20.0170.04020.11
5.5.10.0030.07719.98
5.5.00.0070.08320.05
5.4.450.0100.04319.30
5.4.440.0170.06319.57
5.4.430.0030.04019.29
5.4.420.0030.08019.44
5.4.410.0030.04019.29
5.4.400.0000.05719.05
5.4.390.0070.08319.14
5.4.380.0070.06719.01
5.4.370.0100.05019.24
5.4.360.0170.06319.20
5.4.350.0070.03719.08
5.4.340.0130.07319.20
5.4.320.0070.08019.14
5.4.310.0030.06719.04
5.4.300.0100.06019.19
5.4.290.0200.05319.18
5.4.280.0130.07319.09
5.4.270.0200.06318.91
5.4.260.0000.05318.91
5.4.250.0030.08019.19
5.4.240.0100.07019.09
5.4.230.0100.04719.21
5.4.220.0030.07319.12
5.4.210.0130.07019.02
5.4.200.0030.08019.12
5.4.190.0070.06019.13
5.4.180.0130.07018.93
5.4.170.0130.06019.13
5.4.160.0000.04319.16
5.4.150.0100.03318.99
5.4.140.0070.03716.37
5.4.130.0070.04716.52
5.4.120.0070.05316.37
5.4.110.0030.04316.45
5.4.100.0030.07316.57
5.4.90.0130.06716.48
5.4.80.0100.07016.45
5.4.70.0100.07016.52
5.4.60.0130.06016.50
5.4.50.0000.08016.48
5.4.40.0100.03316.43
5.4.30.0200.06016.46
5.4.20.0100.06316.52
5.4.10.0170.07016.44
5.4.00.0000.07015.77
5.3.290.0030.07714.73
5.3.280.0030.08314.67
5.3.270.0030.06014.65
5.3.260.0170.06714.77
5.3.250.0070.04014.69
5.3.240.0100.06714.77
5.3.230.0030.08014.66
5.3.220.0070.04014.65
5.3.210.0030.04714.64
5.3.200.0030.07014.73
5.3.190.0030.07714.60
5.3.180.0170.05714.63
5.3.170.0100.05714.75
5.3.160.0030.07714.66
5.3.150.0070.04014.63
5.3.140.0070.05014.63
5.3.130.0100.08714.61
5.3.120.0070.08014.63
5.3.110.0000.08014.71
5.3.100.0200.03314.13
5.3.90.0070.06714.06
5.3.80.0000.08714.09
5.3.70.0130.06314.02
5.3.60.0070.07014.03
5.3.50.0070.07314.02
5.3.40.0000.08013.91
5.3.30.0000.04313.97
5.3.20.0130.05013.84
5.3.10.0100.04313.73
5.3.00.0030.07013.61
5.2.170.0070.04011.33
5.2.160.0070.05311.20
5.2.150.0070.05711.46
5.2.140.0030.06311.43
5.2.130.0030.06011.30
5.2.120.0170.04311.39
5.2.110.0030.05011.25
5.2.100.0000.05711.40
5.2.90.0070.05011.38
5.2.80.0000.05711.39
5.2.70.0000.03711.29
5.2.60.0030.03711.34
5.2.50.0000.06011.29
5.2.40.0030.03311.29
5.2.30.0000.06011.07
5.2.20.0030.03711.18
5.2.10.0030.06011.16
5.2.00.0070.06010.93
5.1.60.0070.03710.19
5.1.50.0070.04710.32
5.1.40.0070.04710.10
5.1.30.0100.04310.54
5.1.20.0070.05310.65
5.1.10.0100.02310.21
5.1.00.0070.02710.25
5.0.50.0030.0409.33
5.0.40.0070.0309.33
5.0.30.0030.0579.33
5.0.20.0000.0439.33
5.0.10.0000.0439.33
5.0.00.0000.0509.33
4.4.90.0000.0209.33
4.4.80.0000.0379.33
4.4.70.0000.0409.33
4.4.60.0030.0379.33
4.4.50.0000.0409.33
4.4.40.0030.0539.33
4.4.30.0000.0339.33
4.4.20.0030.0409.33
4.4.10.0030.0339.33
4.4.00.0100.0479.33
4.3.110.0070.0339.33
4.3.100.0000.0409.33
4.3.90.0030.0279.33
4.3.80.0030.0479.33
4.3.70.0030.0309.33
4.3.60.0000.0409.33
4.3.50.0030.0279.33
4.3.40.0030.0279.33
4.3.30.0070.0339.33
4.3.20.0030.0339.33
4.3.10.0000.0409.33
4.3.00.0000.0279.33

preferences:
36.28 ms | 400 KiB | 5 Q