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', $val/8760).'y'; } function search($min, $max, $k){ if ($max < $min) { return null; } $mid = round(($min+$max)/2, 0)-1; $len = strlen(gdr_encode($mid)); if ($len == $k && strlen(gdr_encode($mid+1)) == $k+1) { return $mid; } if ($len < $k) { return search($min, $mid-1, $k); } return search($mid+1, $max, $k); } function insert(&$vals, $n) { $min = intval('1'.str_repeat('0', $n-1)); $max = intval(str_repeat('9', $n)); $vals[] = $min; $vals[] = $max; $len = strlen(gdr_encode($min)); if ($len == strlen(gdr_encode($max))) { return; } while ($min <= $max) { $mid = round(($min+$max)/2, 0)-1; $k = strlen(gdr_encode($mid)); echo "$min $mid $max $k\n"; if ($k == $len && strlen(gdr_encode($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)
8.3.60.0070.00716.75
8.3.50.0130.00722.86
8.3.40.0060.01019.02
8.3.30.0200.00019.21
8.3.20.0080.00020.46
8.3.10.0090.00023.69
8.3.00.0040.00419.26
8.2.180.0090.00616.63
8.2.170.0090.00622.96
8.2.160.0110.00420.51
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00321.09
8.2.110.0100.00022.20
8.2.100.0030.00917.98
8.2.90.0060.00319.21
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0000.00817.93
8.2.50.0030.00618.10
8.2.40.0060.00618.34
8.2.30.0030.00518.23
8.2.20.0030.00517.87
8.2.10.0000.00818.31
8.2.00.0040.00417.99
8.1.280.0090.00925.92
8.1.270.0100.00023.95
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0100.00019.25
8.1.230.0130.00022.66
8.1.220.0080.00017.78
8.1.210.0000.00818.77
8.1.200.0040.00417.48
8.1.190.0040.00417.38
8.1.180.0060.00318.10
8.1.170.0060.00318.59
8.1.160.0040.00422.14
8.1.150.0070.00019.00
8.1.140.0040.00417.43
8.1.130.0030.00317.81
8.1.120.0040.00417.46
8.1.110.0050.00217.60
8.1.100.0040.00417.56
8.1.90.0040.00717.55
8.1.80.0040.00417.54
8.1.70.0000.00717.55
8.1.60.0030.00617.72
8.1.50.0060.00317.61
8.1.40.0040.00417.66
8.1.30.0050.00517.84
8.1.20.0000.00817.60
8.1.10.0040.00417.57
8.1.00.0030.00617.68
8.0.300.0070.00318.77
8.0.290.0080.00016.88
8.0.280.0040.00418.59
8.0.270.0050.00317.24
8.0.260.0030.00317.26
8.0.250.0030.00316.94
8.0.240.0000.00717.07
8.0.230.0030.00516.95
8.0.220.0000.00716.99
8.0.210.0000.00817.00
8.0.200.0000.00717.11
8.0.190.0000.00916.93
8.0.180.0020.00517.09
8.0.170.0080.00017.04
8.0.160.0000.00716.98
8.0.150.0030.00616.91
8.0.140.0000.00716.98
8.0.130.0030.00313.52
8.0.120.0000.00816.89
8.0.110.0000.00716.84
8.0.100.0040.00416.89
8.0.90.0040.00416.99
8.0.80.0060.01617.00
8.0.70.0080.00017.05
8.0.60.0040.00416.89
8.0.50.0000.00816.83
8.0.30.0060.01417.13
8.0.20.0200.01717.40
8.0.10.0040.00417.18
8.0.00.0050.01316.93
7.4.330.0030.00315.14
7.4.320.0000.00616.61
7.4.300.0000.00616.72
7.4.290.0000.00816.59
7.4.280.0040.00416.61
7.4.270.0000.00816.71
7.4.260.0050.00316.66
7.4.250.0040.00416.48
7.4.240.0050.00416.67
7.4.230.0000.00716.79
7.4.220.0150.00616.67
7.4.210.0030.01216.67
7.4.200.0030.00516.50
7.4.160.0130.00316.77
7.4.150.0130.00717.40
7.4.140.0110.01117.86
7.4.130.0120.00516.68
7.4.120.0100.01016.61
7.4.110.0060.01216.67
7.4.100.0110.00716.56
7.4.90.0090.00916.71
7.4.80.0150.00919.39
7.4.70.0090.00916.78
7.4.60.0070.01016.73
7.4.50.0030.00616.55
7.4.40.0130.00416.80
7.4.30.0030.01316.57
7.4.00.0070.00714.98
7.3.330.0030.00313.44
7.3.320.0050.00013.29
7.3.310.0030.00516.34
7.3.300.0050.00216.43
7.3.290.0040.01116.49
7.3.280.0090.01216.43
7.3.270.0040.01517.40
7.3.260.0150.00316.44
7.3.250.0120.00516.62
7.3.240.0070.01116.46
7.3.230.0110.00816.81
7.3.210.0060.01316.57
7.3.200.0090.00919.39
7.3.190.0090.01316.66
7.3.180.0070.01016.68
7.3.170.0060.01216.69
7.3.160.0120.00616.57
7.3.10.0110.00316.36
7.3.00.0070.00716.70
7.2.330.0110.00716.97
7.2.320.0070.01017.02
7.2.310.0190.00616.82
7.2.300.0060.01216.63
7.2.290.0100.00616.91
7.2.130.0060.00617.03
7.2.120.0030.00917.13
7.2.110.0100.00416.87
7.2.100.0070.01116.61
7.2.90.0030.00717.05
7.2.80.0030.01216.93
7.2.70.0060.00916.67
7.2.60.0090.00516.98
7.2.50.0060.00316.92
7.2.40.0040.01117.04
7.2.30.0070.00716.78
7.2.20.0090.00916.89
7.2.10.0060.00317.05
7.2.00.0050.00918.07
7.1.250.0110.00015.91
7.1.200.0060.00615.87
7.1.100.0030.00918.18
7.1.70.0000.00817.29
7.1.60.0120.00317.05
7.1.50.0140.01017.09
7.1.00.0030.07722.36
7.0.200.0060.01216.67
7.0.140.0100.06322.16
7.0.60.0030.04319.98
7.0.50.0000.04717.90
7.0.40.0070.06020.21
7.0.30.0200.05020.26
7.0.20.0230.04320.08
7.0.10.0100.07720.07
7.0.00.0030.04720.30
5.6.280.0130.06720.85
5.6.210.0130.08020.74
5.6.200.0070.06018.15
5.6.190.0130.07720.61
5.6.180.0270.05320.61
5.6.170.0370.07720.59
5.6.160.0070.08720.46
5.6.150.0100.05018.20
5.6.140.0070.08318.19
5.6.130.0070.08018.18
5.6.120.0130.08021.04
5.6.110.0100.06321.14
5.6.100.0070.06721.02
5.6.90.0030.04021.05
5.6.80.0070.08020.34
5.5.350.0100.06320.41
5.5.340.0030.04017.96
5.5.330.0070.05020.37
5.5.320.0500.06320.43
5.5.310.0500.06020.25
5.5.300.0030.04717.98
5.5.290.0030.06718.08
5.5.280.0070.05020.93
5.5.270.0000.04320.80
5.5.260.0070.07720.78
5.5.250.0070.03720.80
5.5.240.0300.06720.18
5.4.450.0300.04319.71
5.4.440.0300.03319.59
5.4.430.0630.04319.46
5.4.420.0200.06719.41
5.4.410.0330.02719.28
5.4.400.0830.03719.29
5.4.390.0530.05019.08
5.4.380.1000.05718.67
5.4.370.0970.04718.55
5.4.360.0870.04718.70
5.4.350.0900.05718.56
5.4.340.0730.05018.65
5.4.320.0080.04612.54
5.4.310.0080.03812.54
5.4.300.0050.05012.54
5.4.290.0070.05012.54
5.4.280.0060.05312.44
5.4.270.0090.05212.44
5.4.260.0080.05412.44
5.4.250.0120.05012.44
5.4.240.0070.04912.44
5.4.230.0050.04112.43
5.4.220.0060.03912.43
5.4.210.0090.03612.43
5.4.200.0080.03912.43
5.4.190.0050.03912.43
5.4.180.0080.03712.43
5.4.170.0080.04812.43
5.4.160.0130.05412.43
5.4.150.0120.05112.43
5.4.140.0150.05412.11
5.4.130.0090.04612.09
5.4.120.0070.04612.06
5.4.110.0100.04912.05
5.4.100.0070.05012.05
5.4.90.0060.05012.05
5.4.80.0080.03812.05
5.4.70.0060.03712.05
5.4.60.0070.03512.05
5.4.50.0030.03912.05
5.4.40.0050.04512.04
5.4.30.0100.06412.03
5.4.20.0160.05612.03
5.4.10.0130.04512.03
5.4.00.0090.05211.52
5.3.290.0080.03912.80
5.3.280.0120.04312.73
5.3.270.0070.04812.75
5.3.260.0120.06912.75
5.3.250.0120.07412.74
5.3.240.0090.05212.74
5.3.230.0130.06612.73
5.3.220.0070.06412.71
5.3.210.0100.05512.71
5.3.200.0090.05412.71
5.3.190.0090.04712.71
5.3.180.0160.10312.70
5.3.170.0200.06912.70
5.3.160.0070.04812.70
5.3.150.0100.04612.70
5.3.140.0110.04112.69
5.3.130.0070.05012.69
5.3.120.0120.04812.69
5.3.110.0080.05612.69
5.3.100.0090.06612.17
5.3.90.0120.05612.15
5.3.80.0120.06212.14
5.3.70.0140.04812.14
5.3.60.0120.06612.13
5.3.50.0190.05912.07
5.3.40.0110.04812.07
5.3.30.0080.05012.04
5.3.20.0120.06011.81
5.3.10.0150.07111.78
5.3.00.0180.07311.77
5.2.170.0120.0519.30
5.2.160.0140.0619.30
5.2.150.0080.0429.30
5.2.140.0190.0729.30
5.2.130.0080.0609.25
5.2.120.0170.0789.26
5.2.110.0080.0389.26
5.2.100.0050.0429.25
5.2.90.0130.0639.25
5.2.80.0150.0549.24
5.2.70.0080.0689.25
5.2.60.0130.0679.21
5.2.50.0040.0419.17
5.2.40.0080.0389.15
5.2.30.0060.0339.12
5.2.20.0060.0369.11
5.2.10.0040.0359.04
5.2.00.0090.0378.90
5.1.60.0110.0558.19
5.1.50.0060.0498.18
5.1.40.0080.0398.18
5.1.30.0050.0398.52
5.1.20.0070.0418.54
5.1.10.0090.0278.27
5.1.00.0020.0318.26
5.0.50.0060.0256.77
5.0.40.0040.0226.62
5.0.30.0060.0356.43
5.0.20.0150.0546.40
5.0.10.0080.0356.37
5.0.00.0030.0406.37
4.4.90.0050.0294.79
4.4.80.0080.0254.77
4.4.70.0040.0294.76
4.4.60.0050.0214.76
4.4.50.0090.0364.78
4.4.40.0030.0344.77
4.4.30.0060.0224.77
4.4.20.0030.0264.84
4.4.10.0050.0194.85
4.4.00.0060.0304.80
4.3.110.0080.0344.71
4.3.100.0030.0254.69
4.3.90.0040.0244.67
4.3.80.0070.0304.66
4.3.70.0020.0244.66
4.3.60.0060.0344.66
4.3.50.0030.0204.66
4.3.40.0020.0504.63
4.3.30.0020.0233.42
4.3.20.0080.0333.41
4.3.10.0070.0273.36
4.3.00.0000.02015.90

preferences:
47.66 ms | 401 KiB | 5 Q