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) { $mid = (int)(($min+$max)/2); $k = cmp($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)
8.3.60.0150.00016.63
8.3.50.0110.01122.92
8.3.40.0120.00918.84
8.3.30.0090.00619.04
8.3.20.0140.00420.14
8.3.10.0030.00521.90
8.3.00.0080.00017.49
8.2.180.0120.00316.37
8.2.170.0090.01222.96
8.2.160.0110.00420.47
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0060.00926.16
8.2.120.0040.00421.02
8.2.110.0090.00021.99
8.2.100.0030.00918.28
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0060.00318.05
8.2.50.0040.00418.07
8.2.40.0090.00318.28
8.2.30.0000.00818.14
8.2.20.0030.00617.88
8.2.10.0030.00518.34
8.2.00.0080.00017.73
8.1.280.0000.01525.92
8.1.270.0000.00923.69
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0000.01023.92
8.1.230.0070.00719.18
8.1.220.0050.00317.78
8.1.210.0030.00618.77
8.1.200.0070.00317.48
8.1.190.0030.00617.22
8.1.180.0030.00518.10
8.1.170.0080.00018.50
8.1.160.0000.00822.11
8.1.150.0000.00818.86
8.1.140.0000.00817.38
8.1.130.0070.00017.84
8.1.120.0070.00017.44
8.1.110.0080.00017.55
8.1.100.0000.00717.49
8.1.90.0110.00017.48
8.1.80.0000.00817.47
8.1.70.0030.00317.52
8.1.60.0030.00617.52
8.1.50.0000.00817.58
8.1.40.0050.00317.57
8.1.30.0050.00317.66
8.1.20.0040.00417.60
8.1.10.0030.00517.55
8.1.00.0050.00317.50
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0000.00718.48
8.0.270.0030.00717.32
8.0.260.0030.00317.19
8.0.250.0040.00416.91
8.0.240.0000.00717.01
8.0.230.0080.00016.95
8.0.220.0000.00716.84
8.0.210.0040.00416.97
8.0.200.0000.00816.96
8.0.190.0050.00317.07
8.0.180.0040.00416.99
8.0.170.0030.00516.88
8.0.160.0000.00716.82
8.0.150.0030.00616.93
8.0.140.0000.00716.90
8.0.130.0060.00013.33
8.0.120.0000.00816.96
8.0.110.0040.00416.86
8.0.100.0000.00816.84
8.0.90.0030.00517.07
8.0.80.0160.00716.95
8.0.70.0060.00317.01
8.0.60.0020.00516.99
8.0.50.0000.00716.76
8.0.30.0120.01317.01
8.0.20.0120.00817.40
8.0.10.0040.00417.11
8.0.00.0080.01116.75
7.4.330.0030.00315.20
7.4.320.0030.00316.68
7.4.300.0040.00416.66
7.4.290.0000.00716.54
7.4.280.0050.00216.66
7.4.270.0040.00416.53
7.4.260.0000.00816.44
7.4.250.0000.00716.52
7.4.240.0040.00416.57
7.4.230.0040.00416.36
7.4.220.0120.00616.59
7.4.210.0090.00616.66
7.4.200.0050.00216.76
7.4.160.0060.01216.51
7.4.150.0100.01017.40
7.4.140.0120.00717.86
7.4.130.0070.01316.57
7.4.120.0120.00516.52
7.4.110.0070.01716.57
7.4.100.0070.01116.54
7.4.90.0110.00816.51
7.4.80.0130.01019.39
7.4.70.0090.00916.57
7.4.60.0110.00716.41
7.4.50.0000.00416.41
7.4.40.0070.01116.71
7.4.30.0070.01016.73
7.4.00.0080.01015.08
7.3.330.0070.00013.37
7.3.320.0030.00313.49
7.3.310.0030.00316.27
7.3.300.0040.00416.46
7.3.290.0110.00416.41
7.3.280.0050.01316.40
7.3.270.0110.00917.40
7.3.260.0140.00716.66
7.3.250.0110.00716.54
7.3.240.0050.01416.29
7.3.230.0070.01016.46
7.3.210.0060.01316.50
7.3.200.0130.01019.39
7.3.190.0000.01716.67
7.3.180.0110.00616.58
7.3.170.0000.01816.56
7.3.160.0120.00916.67
7.3.120.0070.01114.87
7.3.110.0050.01214.62
7.3.100.0110.00714.87
7.3.90.0090.00914.85
7.3.80.0060.01014.91
7.3.70.0130.00314.89
7.3.60.0110.00714.84
7.3.50.0080.01114.85
7.3.40.0060.00914.96
7.3.30.0040.00814.63
7.3.20.0060.00916.73
7.3.10.0060.00616.72
7.3.00.0060.00916.66
7.2.330.0120.00616.61
7.2.320.0140.00716.85
7.2.310.0150.00316.88
7.2.300.0090.00916.68
7.2.290.0090.00916.61
7.2.250.0060.01315.11
7.2.240.0130.00715.09
7.2.230.0060.00915.27
7.2.220.0000.01414.96
7.2.210.0070.01015.02
7.2.200.0000.01414.91
7.2.190.0070.01015.06
7.2.180.0030.01315.07
7.2.170.0000.01914.87
7.2.00.0000.01619.30
7.1.330.0060.00915.79
7.1.320.0090.00616.04
7.1.310.0150.00415.53
7.1.300.0060.00915.70
7.1.290.0040.01415.85
7.1.280.0000.01415.70
7.1.270.0070.00715.84
7.1.260.0060.00916.00
7.1.100.0000.01218.42
7.1.70.0030.00617.33
7.1.60.0130.01319.40
7.1.50.0030.02017.10
7.1.00.0030.08022.37
7.0.200.0080.00016.80
7.0.140.0070.07022.16
7.0.60.0100.07719.95
7.0.50.0100.07717.93
7.0.40.0070.07720.23
7.0.30.0330.07320.06
7.0.20.0170.05320.20
7.0.10.0070.04720.19
7.0.00.0030.09320.19
5.6.280.0070.07321.11
5.6.210.0130.06720.68
5.6.200.0100.08318.17
5.6.190.0070.08020.70
5.6.180.3170.03720.41
5.6.170.0200.08320.44
5.6.160.0130.07020.46
5.6.150.0070.05718.20
5.6.140.0070.08318.25
5.6.130.0100.05018.25
5.6.120.0130.07321.04
5.6.110.0170.04721.14
5.6.100.0070.06721.12
5.6.90.0070.05020.98
5.6.80.0130.06320.36
5.6.70.2900.03720.54
5.5.350.0000.04320.50
5.5.340.0000.04318.00
5.5.330.0030.07320.42
5.5.320.0070.05020.34
5.5.310.0200.06020.36
5.5.300.0070.08718.08
5.5.290.0070.06318.01
5.5.280.0070.06720.91
5.5.270.0030.08320.95
5.5.260.0070.03720.74
5.5.250.0130.08020.82
5.5.240.0030.03020.25
5.4.450.0170.06319.46
5.4.440.0770.05719.58
5.4.430.0770.05319.40
5.4.420.0230.05319.55
5.4.410.0700.06019.09
5.4.400.1230.05718.63
5.4.390.1100.07318.77
5.4.380.0200.05018.79
5.4.370.0070.04018.66
5.4.360.0100.03718.78
5.4.350.0140.04412.05
5.4.340.0080.04012.05
5.4.320.0060.03712.54
5.4.310.0040.04212.54
5.4.300.0080.03912.54
5.4.290.0070.03912.53
5.4.280.0100.03712.43
5.4.270.0070.03612.43
5.4.260.0100.03912.43
5.4.250.0090.03612.43
5.4.240.0100.03412.43
5.4.230.0080.03912.42
5.4.220.0060.04212.42
5.4.210.0080.04912.42
5.4.200.0110.05212.43
5.4.190.0050.06712.42
5.4.180.0090.05112.42
5.4.170.0060.05412.43
5.4.160.0060.05512.42
5.4.150.0060.05512.41
5.4.140.0120.03212.10
5.4.130.0070.03612.09
5.4.120.0090.03312.05
5.4.110.0060.04012.04
5.4.100.0070.03812.04
5.4.90.0070.03612.04
5.4.80.0060.03712.05
5.4.70.0080.03412.04
5.4.60.0060.03612.04
5.4.50.0090.03312.04
5.4.40.0080.05212.03
5.4.30.0040.06112.03
5.4.20.0110.04812.03
5.4.10.0070.05112.03
5.4.00.0040.05511.52
5.3.290.0060.04012.80
5.3.280.0070.05312.73
5.3.270.0070.04212.74
5.3.260.0040.05112.74
5.3.250.0100.06512.74
5.3.240.0070.04712.74
5.3.230.0080.04112.73
5.3.220.0080.05012.70
5.3.210.0080.06612.70
5.3.200.0060.04212.70
5.3.190.0060.03912.70
5.3.180.0070.03812.70
5.3.170.0130.04612.70
5.3.160.0070.04012.70
5.3.150.0080.05512.70
5.3.140.0080.04012.68
5.3.130.0080.03912.68
5.3.120.0060.04112.68
5.3.110.0070.04212.68
5.3.100.0100.03512.17
5.3.90.0060.03912.14
5.3.80.0070.03812.14
5.3.70.0050.04212.13
5.3.60.0060.04112.12
5.3.50.0110.04312.07
5.3.40.0060.05012.07
5.3.30.0050.03912.03
5.3.20.0120.04111.81
5.3.10.0060.04011.78
5.3.00.0080.03911.76
5.2.170.0050.0329.28
5.2.160.0050.0339.27
5.2.150.0090.0429.27
5.2.140.0060.0449.27
5.2.130.0100.0429.23
5.2.120.0030.0389.23
5.2.110.0090.0379.24
5.2.100.0100.0309.23
5.2.90.0050.0389.23
5.2.80.0120.0359.22
5.2.70.0070.0549.22
5.2.60.0060.0489.18
5.2.50.0230.0709.15
5.2.40.0120.0449.13
5.2.30.0030.0449.10
5.2.20.0050.0459.09
5.2.10.0030.0369.00
5.2.00.0110.0328.86
5.1.60.0080.0238.15
5.1.50.0100.0268.15
5.1.40.0030.0288.13
5.1.30.0040.0288.48
5.1.20.0050.0288.50
5.1.10.0050.0278.23
5.1.00.0040.0288.22
5.0.50.0040.0246.71
5.0.40.0040.0226.57
5.0.30.0070.0306.39
5.0.20.0030.0226.36
5.0.10.0040.0216.33
5.0.00.0050.0426.32
4.4.90.0040.0194.78
4.4.80.0010.0234.76
4.4.70.0030.0274.75
4.4.60.0020.0194.76
4.4.50.0080.0144.77
4.4.40.0020.0274.73
4.4.30.0030.0174.76
4.4.20.0050.0154.84
4.4.10.0030.0264.85
4.4.00.0010.0344.76
4.3.110.0000.0244.67
4.3.100.0020.0254.67
4.3.90.0070.0304.63
4.3.80.0030.0364.61
4.3.70.0020.0184.63
4.3.60.0040.0184.63
4.3.50.0070.0374.63
4.3.40.0050.0364.57
4.3.30.0040.0473.37
4.3.20.0030.0243.36
4.3.10.0010.0213.30
4.3.00.0070.0237.20

preferences:
43.98 ms | 401 KiB | 5 Q