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)); 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)
8.3.40.0040.01418.96
8.3.30.0170.00319.21
8.3.20.0000.00820.38
8.3.10.0060.00321.73
8.3.00.0060.00319.50
8.2.170.0040.01122.96
8.2.160.0070.00720.35
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00021.21
8.2.110.0060.00322.25
8.2.100.0070.00418.34
8.2.90.0040.00419.34
8.2.80.0050.00317.97
8.2.70.0050.00317.75
8.2.60.0030.00518.16
8.2.50.0000.00918.07
8.2.40.0060.00318.34
8.2.30.0000.00818.27
8.2.20.0040.00417.85
8.2.10.0040.00418.30
8.2.00.0040.00417.96
8.1.270.0040.00423.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00323.84
8.1.230.0110.00019.18
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0000.00917.38
8.1.190.0030.00617.35
8.1.180.0030.00518.10
8.1.170.0080.00018.77
8.1.160.0000.00722.02
8.1.150.0000.00818.95
8.1.140.0040.00417.58
8.1.130.0030.00317.89
8.1.120.0000.00817.62
8.1.110.0050.00317.50
8.1.100.0000.00717.53
8.1.90.0060.00317.57
8.1.80.0040.00417.48
8.1.70.0020.00517.54
8.1.60.0080.00017.57
8.1.50.0100.00017.68
8.1.40.0060.00317.66
8.1.30.0040.00417.77
8.1.20.0030.00517.63
8.1.10.0050.00317.68
8.1.00.0060.00317.50
8.0.300.0070.00018.77
8.0.290.0000.00716.88
8.0.280.0070.00018.48
8.0.270.0040.00417.36
8.0.260.0070.00017.32
8.0.250.0000.00716.95
8.0.240.0000.00717.09
8.0.230.0000.00917.05
8.0.220.0000.00817.01
8.0.210.0000.00716.98
8.0.200.0030.00317.05
8.0.190.0000.00717.04
8.0.180.0040.00416.95
8.0.170.0080.00016.90
8.0.160.0040.00417.05
8.0.150.0030.00716.92
8.0.140.0000.00716.84
8.0.130.0070.00013.48
8.0.120.0040.00417.03
8.0.110.0040.00416.97
8.0.100.0000.00716.85
8.0.90.0000.00717.07
8.0.80.0040.01816.96
8.0.70.0040.00417.08
8.0.60.0000.00816.89
8.0.50.0000.00817.04
8.0.30.0090.01317.35
8.0.20.0150.01217.40
8.0.10.0060.00317.13
8.0.00.0070.01116.77
7.4.330.0000.00615.14
7.4.320.0030.00316.69
7.4.300.0000.00716.62
7.4.290.0040.00416.71
7.4.280.0000.00716.58
7.4.270.0040.00416.65
7.4.260.0040.00416.60
7.4.250.0000.00816.56
7.4.240.0040.00316.70
7.4.230.0030.00316.73
7.4.220.0140.00416.62
7.4.210.0090.00616.69
7.4.200.0000.00716.64
7.4.160.0080.00816.68
7.4.150.0120.00617.40
7.4.140.0120.00617.86
7.4.130.0100.00616.54
7.4.120.0150.00416.73
7.4.110.0070.01016.50
7.4.100.0160.00316.58
7.4.90.0140.00316.60
7.4.80.0130.00519.39
7.4.70.0100.01016.75
7.4.60.0070.01016.48
7.4.50.0050.00016.69
7.4.40.0080.00816.57
7.4.30.0030.01316.57
7.4.10.0110.00714.78
7.4.00.0100.00715.02
7.3.330.0000.00713.48
7.3.320.0050.00013.47
7.3.310.0040.00416.43
7.3.300.0070.00016.34
7.3.290.0070.01316.48
7.3.280.0050.01116.51
7.3.270.0090.00917.40
7.3.260.0110.00616.68
7.3.250.0080.00816.51
7.3.240.0140.01116.38
7.3.230.0070.01016.39
7.3.210.0070.01016.72
7.3.200.0130.00319.39
7.3.190.0090.01216.49
7.3.180.0060.01016.76
7.3.170.0060.00916.46
7.3.160.0080.00816.43
7.3.130.0100.00714.97
7.3.120.0070.00714.71
7.3.110.0100.01014.70
7.3.100.0040.01114.77
7.3.90.0060.00914.88
7.3.80.0000.01014.97
7.3.70.0060.00614.89
7.3.60.0110.00314.67
7.3.50.0040.00415.04
7.3.40.0070.00714.95
7.3.30.0090.00914.86
7.3.20.0120.00316.77
7.3.10.0040.00816.39
7.3.00.0000.01416.58
7.2.330.0100.00716.87
7.2.320.0090.00916.82
7.2.310.0120.00416.65
7.2.300.0090.00916.80
7.2.290.0030.01416.66
7.2.260.0120.00615.19
7.2.250.0090.00915.04
7.2.240.0150.00015.28
7.2.230.0030.01414.92
7.2.220.0090.00614.93
7.2.210.0030.01015.04
7.2.200.0070.00715.27
7.2.190.0100.00714.96
7.2.180.0100.00014.84
7.2.170.0070.01115.32
7.2.160.0120.00615.15
7.2.150.0080.00817.16
7.2.140.0080.00816.84
7.2.130.0040.00817.04
7.2.120.0070.00717.00
7.2.110.0040.00817.10
7.2.100.0090.00616.73
7.2.90.0070.00717.17
7.2.80.0030.01016.96
7.2.70.0030.01316.65
7.2.60.0100.00317.01
7.2.50.0150.00016.93
7.2.40.0070.00717.04
7.2.30.0100.00716.78
7.2.20.0120.00317.20
7.2.10.0070.00316.91
7.2.00.0040.01118.08
7.1.330.0060.00615.98
7.1.320.0030.00915.97
7.1.310.0060.00916.00
7.1.300.0070.00815.84
7.1.290.0080.00315.84
7.1.280.0090.00915.89
7.1.270.0000.01615.85
7.1.260.0000.01315.61
7.1.250.0090.00916.04
7.1.240.0060.00615.79
7.1.230.0100.00315.84
7.1.220.0030.01615.94
7.1.210.0030.01015.79
7.1.200.0000.01515.71
7.1.190.0090.00615.79
7.1.180.0030.00715.83
7.1.170.0070.00715.51
7.1.160.0000.01316.02
7.1.150.0080.00415.56
7.1.140.0000.01015.90
7.1.130.0030.00915.61
7.1.120.0030.01315.69
7.1.110.0100.00316.05
7.1.100.0080.00716.93
7.1.90.0040.00415.54
7.1.80.0000.01415.77
7.1.70.0030.00916.49
7.1.60.0080.00817.51
7.1.50.0050.01325.23
7.1.40.0030.00915.66
7.1.30.0080.00415.83
7.1.20.0030.00915.87
7.1.10.0040.01115.82
7.1.00.0040.04419.10
7.0.330.0100.01015.20
7.0.320.0060.00915.55
7.0.310.0030.01215.25
7.0.300.0030.01015.52
7.0.290.0060.00615.52
7.0.280.0080.00815.11
7.0.270.0040.00415.17
7.0.260.0070.00715.36
7.0.250.0040.01115.39
7.0.240.0060.00615.42
7.0.230.0070.00315.40
7.0.220.0030.01015.56
7.0.210.0030.01015.24
7.0.200.0020.00716.05
7.0.190.0030.01015.23
7.0.180.0000.01015.59
7.0.170.0070.00715.55
7.0.160.0100.00615.23
7.0.150.0000.01115.32
7.0.140.0030.04318.86
7.0.130.0040.01415.46
7.0.120.0060.00615.32
7.0.110.0060.00615.50
7.0.100.0060.00915.15
7.0.90.0070.00715.53
7.0.80.0030.01215.18
7.0.70.0030.01315.21
7.0.60.0070.03017.83
7.0.50.0030.03816.78
7.0.40.0080.04616.77
7.0.30.0170.04316.88
7.0.20.0180.03916.79
7.0.10.0190.03416.89
7.0.00.0050.02416.83
5.6.400.0040.00814.68
5.6.390.0030.01314.43
5.6.380.0030.01014.69
5.6.370.0000.01014.33
5.6.360.0070.00714.68
5.6.350.0000.01014.25
5.6.340.0030.00614.78
5.6.330.0030.00914.65
5.6.320.0060.01314.24
5.6.310.0030.00814.64
5.6.300.0030.00614.62
5.6.290.0090.00314.70
5.6.280.0060.03817.67
5.6.270.0100.00314.65
5.6.260.0080.00814.28
5.6.250.0030.00614.54
5.6.240.0030.01014.55
5.6.230.0110.00414.38
5.6.220.0040.00714.32
5.6.210.0120.04217.62
5.6.200.0040.02716.28
5.6.190.0080.04517.54
5.6.180.2050.02417.42
5.6.170.0130.02517.46
5.6.160.0080.04317.53
5.6.150.0050.02516.37
5.6.140.0040.03216.41
5.6.130.0060.03016.39
5.6.120.0020.03917.86
5.6.110.0090.04017.71
5.6.100.0020.04617.65
5.6.90.0080.04317.62
5.6.80.0040.04217.53
5.6.70.0160.03917.58
5.6.60.0030.01014.29
5.6.50.0070.00314.50
5.6.40.0030.01014.49
5.6.30.0060.00614.47
5.6.20.0070.00714.32
5.6.10.0070.00714.35
5.6.00.0090.00614.34
5.5.380.0120.00614.68
5.5.370.0090.00914.18
5.5.360.0100.00314.34
5.5.350.0150.03417.50
5.5.340.0020.02716.22
5.5.330.0030.03217.38
5.5.320.0210.03117.31
5.5.310.0100.05017.28
5.5.300.0080.03516.28
5.5.290.0020.03816.29
5.5.280.0080.03917.68
5.5.270.0050.02217.52
5.5.260.0060.02417.51
5.5.250.0070.02217.49
5.5.240.1910.02117.42
5.5.230.0030.00614.54
5.5.220.0000.01514.58
5.5.210.0000.01014.25
5.5.200.0090.00914.38
5.5.190.0000.01114.43
5.5.180.0040.00714.52
5.5.170.0000.00914.22
5.5.160.0060.00314.14
5.5.150.0090.00614.35
5.5.140.0130.00014.62
5.5.130.0070.00714.46
5.5.120.0000.01314.33
5.5.110.0040.01114.64
5.5.100.0030.00814.28
5.5.90.0060.00614.38
5.5.80.0030.01314.65
5.5.70.0070.00714.18
5.5.60.0090.00614.20
5.5.50.0000.01114.20
5.5.40.0040.01114.25
5.5.30.0030.00714.56
5.5.20.0040.01114.45
5.5.10.0090.00314.65
5.5.00.0050.00514.07
5.4.450.0370.03415.95
5.4.440.0410.02415.99
5.4.430.0060.03615.83
5.4.420.0150.02516.03
5.4.410.0050.03415.76
5.4.400.0100.03015.78
5.4.390.0120.02715.88
5.4.380.0150.03715.65
5.4.370.0080.02715.51
5.4.360.0180.02615.46
5.4.350.0040.02612.24
5.4.340.0060.02612.24
5.4.330.0030.00912.43
5.4.320.0050.02112.48
5.4.310.0080.03912.48
5.4.300.0090.03512.49
5.4.290.0050.02912.48
5.4.280.0060.02012.43
5.4.270.0060.02212.43
5.4.260.0070.02512.43
5.4.250.0070.02112.43
5.4.240.0040.02712.43
5.4.230.0050.03112.43
5.4.220.0040.03112.43
5.4.210.0070.03112.43
5.4.200.0110.03012.43
5.4.190.0080.02712.42
5.4.180.0040.02812.43
5.4.170.0070.02112.43
5.4.160.0050.02312.43
5.4.150.0060.01912.43
5.4.140.0050.02612.27
5.4.130.0030.02512.26
5.4.120.0060.02312.24
5.4.110.0040.02512.24
5.4.100.0060.02712.24
5.4.90.0050.02712.24
5.4.80.0040.03312.24
5.4.70.0040.03012.24
5.4.60.0100.02412.23
5.4.50.0050.02812.24
5.4.40.0040.03112.23
5.4.30.0050.02712.23
5.4.20.0080.02412.23
5.4.10.0040.02612.23
5.4.00.0070.02711.97
5.3.290.0050.04312.81
5.3.280.0060.04312.73
5.3.270.0090.04812.74
5.3.260.0070.06012.75
5.3.250.0150.04812.75
5.3.240.0070.05312.75
5.3.230.0200.08012.73
5.3.220.0130.06812.71
5.3.210.0150.06112.71
5.3.200.0130.08012.71
5.3.190.0190.08112.71
5.3.180.0120.06412.70
5.3.170.0090.05412.70
5.3.160.0100.04312.70
5.3.150.0150.06212.70
5.3.140.0230.09812.70
5.3.130.0130.11612.68
5.3.120.0220.08812.68
5.3.110.0130.09712.69
5.3.100.0280.15412.17
5.3.90.0080.05312.15
5.3.80.0130.04412.14
5.3.70.0080.04412.15
5.3.60.0070.04412.13
5.3.50.0050.04112.07
5.3.40.0060.04412.07
5.3.30.0060.03812.04
5.3.20.0090.03511.81
5.3.10.0070.04811.78
5.3.00.0050.05311.77
5.2.170.0090.0409.29
5.2.160.0060.0519.29
5.2.150.0060.0439.29
5.2.140.0120.0759.29
5.2.130.0050.0449.25
5.2.120.0040.0469.25
5.2.110.0070.0939.26
5.2.100.0080.0419.25
5.2.90.0100.0429.25
5.2.80.0080.0449.24
5.2.70.0060.0589.24
5.2.60.0050.0449.20
5.2.50.0100.0479.18
5.2.40.0110.0419.15
5.2.30.0070.0359.12
5.2.20.0090.0419.11
5.2.10.0080.0389.02
5.2.00.0110.0528.88
5.1.60.0040.0368.17
5.1.50.0050.0388.17
5.1.40.0090.0328.15
5.1.30.0040.0298.50
5.1.20.0060.0388.53
5.1.10.0040.0298.24
5.1.00.0050.0338.24
5.0.50.0050.0306.74
5.0.40.0070.0306.60
5.0.30.0060.0476.41
5.0.20.0100.0446.38
5.0.10.0040.0296.36
5.0.00.0030.0356.35
4.4.90.0050.0294.78
4.4.80.0060.0174.75
4.4.70.0020.0244.76
4.4.60.0060.0184.76
4.4.50.0060.0184.77
4.4.40.0030.0324.75
4.4.30.0070.0184.76
4.4.20.0030.0324.85
4.4.10.0050.0204.85
4.4.00.0060.0304.78
4.3.110.0030.0224.68
4.3.100.0060.0284.67
4.3.90.0090.0354.64
4.3.80.0000.0364.64
4.3.70.0110.0754.64
4.3.60.0040.0214.63
4.3.50.0070.0214.63
4.3.40.0040.0314.60
4.3.30.0060.0313.40
4.3.20.0080.0403.38
4.3.10.0060.0353.34
4.3.00.0100.0277.08

preferences:
42.19 ms | 400 KiB | 5 Q