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)
8.3.60.0090.00616.50
8.3.50.0140.00722.91
8.3.40.0150.00019.00
8.3.30.0130.01019.07
8.3.20.0080.00020.46
8.3.10.0080.00021.88
8.3.00.0040.00417.63
8.2.180.0090.00618.41
8.2.170.0040.01122.96
8.2.160.0070.00719.11
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0100.01026.16
8.2.120.0040.00420.98
8.2.110.0060.00322.26
8.2.100.0060.00618.34
8.2.90.0090.00019.41
8.2.80.0060.00317.97
8.2.70.0060.00317.50
8.2.60.0000.00818.16
8.2.50.0090.00018.07
8.2.40.0070.00318.27
8.2.30.0040.00418.24
8.2.20.0040.00417.89
8.2.10.0040.00418.23
8.2.00.0040.00417.86
8.1.280.0100.01325.92
8.1.270.0090.00024.04
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00424.04
8.1.230.0080.00419.28
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0030.00717.48
8.1.190.0080.00017.35
8.1.180.0030.00618.10
8.1.170.0030.00618.70
8.1.160.0040.00422.14
8.1.150.0000.00918.99
8.1.140.0040.00417.52
8.1.130.0000.00717.88
8.1.120.0030.00517.49
8.1.110.0050.00317.56
8.1.100.0000.00817.47
8.1.90.0000.00917.64
8.1.80.0040.00417.56
8.1.70.0050.00217.57
8.1.60.0100.00017.70
8.1.50.0060.00317.65
8.1.40.0080.00017.67
8.1.30.0030.00617.60
8.1.20.0000.00817.62
8.1.10.0060.00317.59
8.1.00.0000.00817.64
8.0.300.0050.00318.77
8.0.290.0030.00616.88
8.0.280.0050.00318.51
8.0.270.0090.00017.43
8.0.260.0000.00817.32
8.0.250.0020.00517.05
8.0.240.0000.00717.11
8.0.230.0070.00016.95
8.0.220.0040.00416.96
8.0.210.0030.00317.04
8.0.200.0030.00317.10
8.0.190.0000.00717.02
8.0.180.0050.00316.92
8.0.170.0000.00816.93
8.0.160.0000.00716.98
8.0.150.0030.00617.00
8.0.140.0060.00316.98
8.0.130.0030.00313.40
8.0.120.0030.00517.00
8.0.110.0080.00017.05
8.0.100.0050.00316.84
8.0.90.0080.00016.84
8.0.80.0070.01017.00
8.0.70.0050.00317.04
8.0.60.0080.00017.12
8.0.50.0080.00017.07
8.0.30.0110.01117.19
8.0.20.0120.00917.40
8.0.10.0050.00316.95
8.0.00.0100.00916.78
7.4.330.0000.00615.03
7.4.320.0040.00416.52
7.4.300.0040.00416.71
7.4.290.0030.00316.70
7.4.280.0000.00716.61
7.4.270.0000.00716.70
7.4.260.0000.00716.62
7.4.250.0030.00516.70
7.4.240.0000.00716.77
7.4.230.0000.00716.81
7.4.220.0140.00616.48
7.4.210.0090.00616.66
7.4.200.0070.00016.45
7.4.160.0170.00016.70
7.4.150.0190.00017.40
7.4.140.0140.00517.86
7.4.130.0110.00816.68
7.4.120.0110.00816.81
7.4.110.0110.00816.41
7.4.100.0200.00316.60
7.4.90.0090.00916.75
7.4.80.0160.00219.39
7.4.70.0140.00716.77
7.4.60.0060.01316.46
7.4.50.0030.00316.54
7.4.40.0100.01016.50
7.4.30.0030.01716.77
7.4.10.0040.01814.77
7.4.00.0120.00515.16
7.3.330.0040.00413.34
7.3.320.0050.00013.32
7.3.310.0030.00316.59
7.3.300.0070.00016.49
7.3.290.0110.00316.39
7.3.280.0120.00616.47
7.3.270.0090.00917.40
7.3.260.0080.01116.47
7.3.240.0160.01016.73
7.3.230.0000.01616.49
7.3.210.0100.01016.54
7.3.200.0120.00619.39
7.3.190.0160.00616.61
7.3.180.0030.01416.50
7.3.170.0100.00716.80
7.3.160.0070.01016.53
7.3.130.0070.01314.83
7.3.120.0050.01314.88
7.3.110.0100.00514.83
7.3.100.0040.00914.80
7.3.90.0060.00614.87
7.3.80.0050.00814.88
7.3.70.0030.00914.90
7.3.60.0040.01214.87
7.3.50.0080.01014.87
7.3.40.0100.00414.88
7.3.30.0020.01314.97
7.3.20.0070.00816.78
7.3.10.0100.00716.57
7.3.00.0060.00616.37
7.2.330.0070.01116.79
7.2.320.0030.01816.66
7.2.310.0120.00616.81
7.2.300.0090.00916.90
7.2.290.0060.01116.56
7.2.260.0120.00614.84
7.2.250.0070.01015.11
7.2.240.0050.01115.29
7.2.230.0050.01015.09
7.2.220.0080.00915.00
7.2.210.0050.00714.97
7.2.200.0050.00815.06
7.2.190.0060.00615.22
7.2.180.0050.01315.20
7.2.170.0030.01315.16
7.2.160.0030.01215.00
7.2.150.0050.01117.00
7.2.140.0080.00917.06
7.2.130.0050.00916.90
7.2.120.0050.01116.87
7.2.110.0050.01116.82
7.2.100.0080.00616.73
7.2.90.0070.00716.84
7.2.80.0030.01116.92
7.2.70.0070.00917.01
7.2.60.0070.00816.98
7.2.50.0060.00917.06
7.2.40.0040.01216.93
7.2.30.0020.01317.04
7.2.20.0080.00816.81
7.2.10.0060.00717.02
7.2.00.0060.00817.71
7.1.330.0040.01115.94
7.1.320.0070.01215.84
7.1.310.0040.00915.71
7.1.300.0090.00815.87
7.1.290.0010.01115.74
7.1.280.0050.00715.79
7.1.270.0080.00815.76
7.1.260.0060.00615.89
7.1.250.0070.00715.72
7.1.240.0030.00715.85
7.1.230.0040.00815.75
7.1.220.0040.00415.89
7.1.210.0060.00915.54
7.1.200.0020.01115.79
7.1.190.0090.00615.96
7.1.180.0030.01015.61
7.1.170.0040.00715.80
7.1.160.0090.00615.58
7.1.150.0080.00616.01
7.1.140.0030.01215.94
7.1.130.0040.01515.82
7.1.120.0040.00715.61
7.1.110.0000.01515.96
7.1.100.0110.00717.07
7.1.90.0030.01315.91
7.1.80.0070.01015.78
7.1.70.0060.00416.49
7.1.60.0130.00717.61
7.1.50.0140.00516.45
7.1.40.0070.01015.78
7.1.30.0090.00315.65
7.1.20.0030.01215.84
7.1.10.0060.00615.97
7.1.00.0030.04519.03
7.0.330.0080.00415.34
7.0.320.0030.01015.48
7.0.310.0090.00315.28
7.0.300.0040.00715.57
7.0.290.0070.00315.45
7.0.280.0060.01015.43
7.0.270.0070.00715.43
7.0.260.0040.01115.48
7.0.250.0030.00615.44
7.0.240.0000.01515.53
7.0.230.0040.01415.25
7.0.220.0070.01015.54
7.0.210.0070.00715.37
7.0.200.0050.00716.02
7.0.190.0100.01015.27
7.0.180.0100.00715.48
7.0.170.0030.01515.51
7.0.160.0060.00615.58
7.0.150.0040.01115.57
7.0.140.0050.04318.85
7.0.130.0070.00715.07
7.0.120.0070.00415.55
7.0.110.0090.00615.32
7.0.100.0030.01015.50
7.0.90.0070.00715.42
7.0.80.0030.00715.42
7.0.70.0030.01215.39
7.0.60.0100.03817.66
7.0.50.0030.04916.75
7.0.40.0030.05016.86
7.0.30.0310.03816.80
7.0.20.0130.02316.66
7.0.10.0060.02416.82
7.0.00.0080.04216.72
5.6.400.0030.01014.46
5.6.390.0090.00614.55
5.6.380.0090.00614.51
5.6.370.0070.00714.40
5.6.360.0060.00314.68
5.6.350.0000.01414.61
5.6.340.0080.00414.56
5.6.330.0140.00314.62
5.6.320.0060.01014.26
5.6.310.0090.00614.42
5.6.300.0100.00714.63
5.6.290.0070.01114.48
5.6.280.0000.04517.76
5.6.270.0100.00314.50
5.6.260.0100.00314.36
5.6.250.0100.00314.48
5.6.240.0030.00714.48
5.6.230.0060.00914.68
5.6.220.0050.00514.49
5.6.210.0100.04517.63
5.6.200.0050.02616.38
5.6.190.0040.02517.51
5.6.180.0100.03917.40
5.6.170.0220.03517.55
5.6.160.0030.04717.62
5.6.150.0060.04516.23
5.6.140.0030.03516.36
5.6.130.0080.02916.38
5.6.120.0140.03717.64
5.6.110.0070.04617.75
5.6.100.0110.03617.77
5.6.90.0090.04317.75
5.6.80.0070.03017.41
5.6.70.0040.01114.43
5.6.60.0030.01414.56
5.6.50.0000.01314.51
5.6.40.0070.00714.43
5.6.30.0060.00914.18
5.6.20.0030.01014.15
5.6.10.0060.00914.26
5.6.00.0100.01014.35
5.5.380.0060.00914.10
5.5.370.0030.01014.55
5.5.360.0060.00614.43
5.5.350.0160.04017.61
5.5.340.0090.04216.18
5.5.330.0080.02117.32
5.5.320.0220.03717.60
5.5.310.0170.03917.41
5.5.300.0110.02616.24
5.5.290.0050.04616.20
5.5.280.0080.03017.62
5.5.270.0080.04317.49
5.5.260.0090.04717.73
5.5.250.0030.02717.51
5.5.240.0250.03317.39
5.5.230.0000.01114.65
5.5.220.0040.01114.51
5.5.210.0000.01414.20
5.5.200.0070.00414.43
5.5.190.0090.00014.22
5.5.180.0070.00314.50
5.5.170.0080.00814.55
5.5.160.0030.00714.37
5.5.150.0040.00814.43
5.5.140.0000.01314.40
5.5.130.0040.00714.36
5.5.120.0060.00314.39
5.5.110.0000.01014.52
5.5.100.0100.00714.64
5.5.90.0030.00613.99
5.5.80.0040.00814.50
5.5.70.0110.00314.63
5.5.60.0060.00914.23
5.5.50.0030.01314.18
5.5.40.0070.00313.98
5.5.30.0030.00914.48
5.5.20.0030.01014.43
5.5.10.0100.00614.16
5.5.00.0000.01414.32
5.4.450.0270.02715.45
5.4.440.0130.02715.36
5.4.430.0270.02215.44
5.4.420.0120.02615.44
5.4.410.0170.02115.34
5.4.400.0230.02015.21
5.4.390.0140.02915.18
5.4.380.0180.03814.97
5.4.370.0150.03715.06
5.4.360.0180.03315.08
5.4.350.0180.03715.13
5.4.340.0230.03015.06
5.4.330.0040.00811.36
5.4.320.0080.02111.93
5.4.310.0040.02511.93
5.4.300.0050.02711.98
5.4.290.0060.02411.93
5.4.280.0050.02011.88
5.4.270.0060.02311.88
5.4.260.0060.02311.88
5.4.250.0070.02111.88
5.4.240.0050.02311.88
5.4.230.0040.02611.88
5.4.220.0050.02311.88
5.4.210.0040.02211.90
5.4.200.0060.02711.88
5.4.190.0050.02311.88
5.4.180.0050.03211.88
5.4.170.0050.02611.88
5.4.160.0090.02811.88
5.4.150.0050.03611.87
5.4.140.0080.03011.72
5.4.130.0040.02211.71
5.4.120.0090.02711.71
5.4.110.0050.03011.69
5.4.100.0080.02411.69
5.4.90.0080.02211.72
5.4.80.0050.02511.69
5.4.70.0070.02211.68
5.4.60.0070.02911.68
5.4.50.0070.02611.70
5.4.40.0070.03511.68
5.4.30.0040.03111.68
5.4.20.0050.02511.68
5.4.10.0070.02011.68
5.4.00.0050.02211.42
5.3.290.0060.04012.80
5.3.280.0090.03812.73
5.3.270.0120.03912.74
5.3.260.0050.04412.74
5.3.250.0080.04512.74
5.3.240.0110.05612.74
5.3.230.0090.05212.73
5.3.220.0120.05012.70
5.3.210.0110.05212.71
5.3.200.0100.04312.70
5.3.190.0060.04212.70
5.3.180.0140.05712.70
5.3.170.0130.08612.70
5.3.160.0100.07612.70
5.3.150.0110.05812.70
5.3.140.0120.06012.69
5.3.130.0180.04812.68
5.3.120.0100.04912.68
5.3.110.0110.06012.69
5.3.100.0110.04612.17
5.3.90.0080.05912.15
5.3.80.0140.05012.14
5.3.70.0070.05212.14
5.3.60.0090.04712.13
5.3.50.0130.04812.07
5.3.40.0110.05012.07
5.3.30.0060.03812.03
5.3.20.0040.04911.81
5.3.10.0070.03711.78
5.3.00.0120.05111.76
5.2.170.0080.0469.29
5.2.160.0070.0359.29
5.2.150.0090.0469.29
5.2.140.0060.0349.29
5.2.130.0060.0349.25
5.2.120.0130.0359.25
5.2.110.0090.0289.26
5.2.100.0050.0319.25
5.2.90.0090.0299.24
5.2.80.0100.0399.24
5.2.70.0100.0469.24
5.2.60.0030.0529.20
5.2.50.0080.0379.17
5.2.40.0110.0559.14
5.2.30.0050.0379.12
5.2.20.0060.0339.11
5.2.10.0040.0389.03
5.2.00.0110.0508.89
5.1.60.0080.0368.19
5.1.50.0070.0378.18
5.1.40.0080.0338.17
5.1.30.0060.0408.52
5.1.20.0030.0418.54
5.1.10.0020.0328.27
5.1.00.0070.0408.27
5.0.50.0070.0236.75
5.0.40.0050.0206.62
5.0.30.0030.0386.43
5.0.20.0040.0246.39
5.0.10.0070.0276.37
5.0.00.0070.0396.36
4.4.90.0040.0224.78
4.4.80.0030.0254.76
4.4.70.0040.0234.76
4.4.60.0040.0194.76
4.4.50.0050.0164.77
4.4.40.0050.0264.77
4.4.30.0050.0224.77
4.4.20.0030.0174.85
4.4.10.0040.0184.85
4.4.00.0020.0274.80
4.3.110.0030.0174.69
4.3.100.0040.0244.68
4.3.90.0080.0174.66
4.3.80.0070.0464.66
4.3.70.0060.0324.65
4.3.60.0040.0304.65
4.3.50.0050.0224.65
4.3.40.0040.0384.61
4.3.30.0050.0253.42
4.3.20.0030.0283.41
4.3.10.0020.0253.35
4.3.00.0000.01315.90

preferences:
55.29 ms | 401 KiB | 5 Q