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); if ($cmp !== cmp($max)) { return; } while ($min < $max) { $mid = round(($min+$max)/2, 0)-1; $k = cmp($mid); echo "$min $mid $max $k\n"; if ($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)
8.3.60.0120.00316.50
8.3.50.0110.00822.90
8.3.40.0060.00918.83
8.3.30.0110.01119.32
8.3.20.0060.00320.29
8.3.10.0060.00321.98
8.3.00.0030.00617.63
8.2.180.0130.00316.50
8.2.170.0130.00322.96
8.2.160.0100.00320.43
8.2.150.0050.00324.18
8.2.140.0030.00624.66
8.2.130.0160.00026.16
8.2.120.0040.00421.02
8.2.110.0030.00622.38
8.2.100.0040.00819.33
8.2.90.0050.00319.34
8.2.80.0000.00817.97
8.2.70.0030.00517.88
8.2.60.0040.00418.16
8.2.50.0060.00318.07
8.2.40.0000.00918.47
8.2.30.0040.00418.30
8.2.20.0030.00617.88
8.2.10.0030.00618.25
8.2.00.0080.00017.78
8.1.280.0110.00325.92
8.1.270.0040.00423.92
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00324.04
8.1.230.0090.00319.37
8.1.220.0080.00017.91
8.1.210.0030.00618.77
8.1.200.0070.00317.48
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0030.00618.63
8.1.160.0040.00422.13
8.1.150.0000.00718.91
8.1.140.0030.00517.52
8.1.130.0040.00417.94
8.1.120.0040.00417.48
8.1.110.0040.00417.46
8.1.100.0000.00717.63
8.1.90.0050.00517.47
8.1.80.0000.00717.54
8.1.70.0040.00417.57
8.1.60.0040.00417.68
8.1.50.0000.00817.65
8.1.40.0050.00517.52
8.1.30.0000.00817.71
8.1.20.0000.00817.77
8.1.10.0090.00017.69
8.1.00.0080.00017.64
8.0.300.0040.00418.77
8.0.290.0000.00816.88
8.0.280.0000.00718.64
8.0.270.0000.00917.41
8.0.260.0000.00717.37
8.0.250.0070.00017.09
8.0.240.0030.00317.09
8.0.230.0080.00016.99
8.0.220.0040.00417.03
8.0.210.0070.00016.94
8.0.200.0000.00716.93
8.0.190.0070.00017.07
8.0.180.0030.00616.93
8.0.170.0040.00417.06
8.0.160.0040.00417.02
8.0.150.0040.00416.82
8.0.140.0060.00316.98
8.0.130.0000.00713.44
8.0.120.0030.00517.04
8.0.110.0040.00416.87
8.0.100.0040.00417.07
8.0.90.0040.00416.91
8.0.80.0070.01017.00
8.0.70.0060.00316.79
8.0.60.0040.00417.07
8.0.50.0030.00517.04
8.0.30.0120.01017.24
8.0.20.0140.01217.40
8.0.10.0030.00516.92
8.0.00.0070.01116.87
7.4.330.0050.00015.22
7.4.320.0000.00616.48
7.4.300.0040.00416.65
7.4.290.0000.00716.63
7.4.280.0000.00716.68
7.4.270.0070.00016.73
7.4.260.0070.00016.50
7.4.250.0040.00416.66
7.4.240.0020.00516.69
7.4.230.0070.00016.51
7.4.220.0060.01216.75
7.4.210.0110.00416.67
7.4.200.0000.00816.70
7.4.160.0080.00816.73
7.4.150.0160.00317.40
7.4.140.0120.00717.86
7.4.130.0100.00916.65
7.4.120.0110.00916.63
7.4.110.0090.00916.79
7.4.100.0040.01316.52
7.4.90.0100.01016.72
7.4.80.0000.02219.39
7.4.70.0070.01116.63
7.4.60.0150.00316.66
7.4.50.0030.00316.68
7.4.40.0100.00716.68
7.4.30.0080.00816.77
7.4.10.0030.01614.71
7.4.00.0100.00815.06
7.3.330.0040.00413.30
7.3.320.0000.00613.49
7.3.310.0040.00416.48
7.3.300.0000.00716.35
7.3.290.0050.01016.49
7.3.280.0100.00716.48
7.3.270.0130.00617.40
7.3.260.0110.00816.55
7.3.250.0090.01116.67
7.3.240.0160.00316.70
7.3.230.0030.02016.79
7.3.210.0180.00016.76
7.3.200.0100.00719.39
7.3.190.0130.00616.73
7.3.180.0120.01216.60
7.3.170.0060.01216.45
7.3.160.0160.00816.71
7.3.130.0040.01415.18
7.3.120.0090.00914.89
7.3.110.0110.00714.96
7.3.100.0090.00514.74
7.3.90.0050.01014.97
7.3.80.0090.00715.06
7.3.70.0060.00814.88
7.3.60.0070.00614.88
7.3.50.0050.00714.86
7.3.40.0080.00714.91
7.3.30.0070.00614.86
7.3.20.0040.00916.61
7.3.10.0060.00716.71
7.3.00.0040.01216.63
7.2.330.0170.00316.65
7.2.320.0070.01517.01
7.2.310.0120.00616.59
7.2.300.0140.00316.57
7.2.290.0060.01216.79
7.2.260.0090.00915.07
7.2.250.0080.01115.10
7.2.240.0100.00915.09
7.2.230.0090.00815.12
7.2.220.0080.00715.20
7.2.210.0070.01115.25
7.2.200.0010.01115.05
7.2.190.0040.01215.02
7.2.180.0090.00615.11
7.2.170.0070.00915.09
7.2.160.0000.00914.88
7.2.150.0110.00716.75
7.2.140.0090.00616.77
7.2.130.0000.01716.96
7.2.120.0060.01017.03
7.2.110.0090.00616.73
7.2.100.0070.01016.75
7.2.90.0040.01216.90
7.2.80.0060.01016.79
7.2.70.0080.00417.02
7.2.60.0030.01416.64
7.2.50.0000.01816.98
7.2.40.0070.00717.13
7.2.30.0060.00616.97
7.2.20.0080.00417.00
7.2.10.0030.01416.91
7.2.00.0060.01017.07
7.1.330.0060.00915.93
7.1.320.0070.00615.83
7.1.310.0040.01015.77
7.1.300.0070.00815.85
7.1.290.0060.00815.79
7.1.280.0050.01015.70
7.1.270.0040.00915.80
7.1.260.0030.01015.75
7.1.250.0030.01315.53
7.1.240.0120.00315.83
7.1.230.0030.01015.86
7.1.220.0070.00315.59
7.1.210.0000.01715.91
7.1.200.0120.00315.98
7.1.190.0060.00315.84
7.1.180.0030.00915.87
7.1.170.0000.01315.79
7.1.160.0150.00015.69
7.1.150.0000.01415.77
7.1.140.0040.00815.84
7.1.130.0040.01415.67
7.1.120.0030.00615.77
7.1.110.0120.00315.94
7.1.100.0060.00315.95
7.1.90.0000.01215.68
7.1.80.0060.00915.94
7.1.70.0050.01116.40
7.1.60.0070.01017.63
7.1.50.0090.00916.35
7.1.40.0070.00315.78
7.1.30.0070.00716.00
7.1.20.0080.00815.89
7.1.10.0030.01115.68
7.1.00.0020.04619.23
7.0.330.0030.01215.36
7.0.320.0000.01415.49
7.0.310.0070.00715.22
7.0.300.0040.00815.32
7.0.290.0040.00415.42
7.0.280.0000.00915.49
7.0.270.0070.01015.37
7.0.260.0050.00315.45
7.0.250.0030.01015.17
7.0.240.0000.01115.16
7.0.230.0070.00715.26
7.0.220.0110.00315.33
7.0.210.0030.00715.55
7.0.200.0080.00516.03
7.0.190.0070.00415.49
7.0.180.0000.01015.23
7.0.170.0040.00815.48
7.0.160.0070.01015.47
7.0.150.0130.00315.33
7.0.140.0100.03718.78
7.0.130.0030.01015.59
7.0.120.0000.01615.59
7.0.110.0040.00715.43
7.0.100.0000.01515.48
7.0.90.0060.00915.27
7.0.80.0030.01215.70
7.0.70.0070.00715.41
7.0.60.0080.03817.66
7.0.50.0100.03916.66
7.0.40.0080.04916.92
7.0.30.0170.02716.89
7.0.20.0150.04516.72
7.0.10.0120.04216.93
7.0.00.0080.04316.95
5.6.400.0000.01214.56
5.6.390.0060.00614.66
5.6.380.0060.00614.25
5.6.370.0060.00614.75
5.6.360.0030.01314.34
5.6.350.0110.00414.45
5.6.340.0000.01314.39
5.6.330.0070.01014.50
5.6.320.0060.00614.29
5.6.310.0030.01014.13
5.6.300.0090.00614.73
5.6.290.0090.01014.79
5.6.280.0050.04317.79
5.6.270.0060.00914.36
5.6.260.0070.00714.57
5.6.250.0070.01114.64
5.6.240.0000.01614.46
5.6.230.0030.00714.62
5.6.220.0030.01014.39
5.6.210.0080.04117.51
5.6.200.0080.02816.51
5.6.190.0050.03017.53
5.6.180.0230.03817.54
5.6.170.0210.03017.43
5.6.160.0030.02917.50
5.6.150.0070.02516.33
5.6.140.0070.02716.29
5.6.130.0050.04716.14
5.6.120.0080.04817.80
5.6.110.0100.04517.68
5.6.100.0080.04217.74
5.6.90.0070.04017.85
5.6.80.0060.04017.38
5.6.70.0060.00614.38
5.6.60.0090.00614.27
5.6.50.0030.01014.50
5.6.40.0000.01614.17
5.6.30.0040.01114.42
5.6.20.0040.00714.30
5.6.10.0120.00414.59
5.6.00.0030.01014.39
5.5.380.0030.00914.68
5.5.370.0060.00614.55
5.5.360.0060.00314.12
5.5.350.0180.04117.42
5.5.340.0050.04516.29
5.5.330.0110.02917.38
5.5.320.0100.04017.49
5.5.310.0170.04217.57
5.5.300.0120.04216.21
5.5.290.0080.04316.14
5.5.280.0050.04717.64
5.5.270.0070.04717.73
5.5.260.0050.04317.63
5.5.250.0080.02317.61
5.5.240.0080.03217.42
5.5.230.0040.00714.51
5.5.220.0030.00714.36
5.5.210.0060.00914.19
5.5.200.0030.00714.22
5.5.190.0040.01114.41
5.5.180.0000.01114.46
5.5.170.0070.01014.49
5.5.160.0030.01014.41
5.5.150.0030.00613.99
5.5.140.0030.01314.48
5.5.130.0000.00914.48
5.5.120.0080.00314.52
5.5.110.0060.00314.27
5.5.100.0110.00314.36
5.5.90.0130.00614.46
5.5.80.0040.01514.20
5.5.70.0070.00314.36
5.5.60.0060.01014.51
5.5.50.0060.01214.12
5.5.40.0040.01114.53
5.5.30.0080.00814.29
5.5.20.0030.00914.49
5.5.10.0030.01014.44
5.5.00.0000.01514.18
5.4.450.0300.03315.46
5.4.440.0380.04115.49
5.4.430.0510.02615.34
5.4.420.0200.03015.55
5.4.410.0570.03215.27
5.4.400.0500.03515.33
5.4.390.0570.02915.39
5.4.380.0530.03415.03
5.4.370.0330.03915.11
5.4.360.0500.03115.10
5.4.350.0600.04015.04
5.4.340.0520.04015.14
5.4.330.0030.00911.50
5.4.320.0110.04112.02
5.4.310.0030.04012.02
5.4.300.0100.02812.02
5.4.290.0050.03312.02
5.4.280.0060.03011.97
5.4.270.0090.03311.97
5.4.260.0080.03111.97
5.4.250.0050.03311.97
5.4.240.0060.03211.96
5.4.230.0040.02511.96
5.4.220.0050.02111.96
5.4.210.0080.03011.96
5.4.200.0120.02811.96
5.4.190.0040.02711.96
5.4.180.0040.02411.96
5.4.170.0030.02311.97
5.4.160.0070.02211.96
5.4.150.0070.02711.96
5.4.140.0050.03011.80
5.4.130.0050.02411.80
5.4.120.0040.02811.78
5.4.110.0060.03411.78
5.4.100.0020.02511.77
5.4.90.0030.03211.77
5.4.80.0040.02711.78
5.4.70.0060.02411.77
5.4.60.0040.03111.77
5.4.50.0070.03511.77
5.4.40.0080.02911.77
5.4.30.0090.02411.76
5.4.20.0060.02611.76
5.4.10.0040.02111.76
5.4.00.0050.02211.51
5.3.290.0130.06812.80
5.3.280.0070.03912.73
5.3.270.0070.04012.74
5.3.260.0050.04312.74
5.3.250.0040.04112.74
5.3.240.0060.03912.74
5.3.230.0100.03512.74
5.3.220.0040.04112.70
5.3.210.0060.04212.71
5.3.200.0060.04812.70
5.3.190.0100.05112.70
5.3.180.0100.04512.70
5.3.170.0060.04012.70
5.3.160.0090.05312.70
5.3.150.0090.03912.70
5.3.140.0090.04112.69
5.3.130.0100.04912.68
5.3.120.0100.04212.68
5.3.110.0110.06612.68
5.3.100.0150.04912.17
5.3.90.0190.06012.15
5.3.80.0110.05912.14
5.3.70.0110.05112.14
5.3.60.0130.04912.13
5.3.50.0100.05012.07
5.3.40.0060.05112.07
5.3.30.0060.04512.03
5.3.20.0100.03411.81
5.3.10.0100.04311.77
5.3.00.0080.05811.76
5.2.170.0070.0469.29
5.2.160.0050.0359.29
5.2.150.0050.0349.29
5.2.140.0080.0329.29
5.2.130.0050.0329.25
5.2.120.0050.0359.25
5.2.110.0030.0349.25
5.2.100.0060.0379.25
5.2.90.0020.0379.24
5.2.80.0050.0329.24
5.2.70.0030.0359.24
5.2.60.0030.0359.20
5.2.50.0060.0409.17
5.2.40.0060.0409.15
5.2.30.0070.0349.11
5.2.20.0040.0449.11
5.2.10.0100.0379.03
5.2.00.0090.0448.90
5.1.60.0060.0518.19
5.1.50.0130.0378.18
5.1.40.0110.0448.17
5.1.30.0080.0388.52
5.1.20.0090.0368.54
5.1.10.0060.0378.27
5.1.00.0100.0348.27
5.0.50.0030.0346.76
5.0.40.0060.0306.61
5.0.30.0080.0536.43
5.0.20.0040.0236.39
5.0.10.0070.0276.37
5.0.00.0040.0436.36
4.4.90.0020.0194.78
4.4.80.0020.0194.76
4.4.70.0010.0204.75
4.4.60.0050.0234.76
4.4.50.0050.0204.77
4.4.40.0000.0304.77
4.4.30.0010.0194.76
4.4.20.0020.0194.84
4.4.10.0030.0184.85
4.4.00.0040.0264.80
4.3.110.0040.0184.70
4.3.100.0020.0194.68
4.3.90.0040.0214.66
4.3.80.0030.0304.66
4.3.70.0060.0154.65
4.3.60.0040.0154.65
4.3.50.0040.0224.65
4.3.40.0020.0294.61
4.3.30.0010.0193.42
4.3.20.0020.0193.41
4.3.10.0040.0203.34
4.3.00.0030.02015.90

preferences:
37.66 ms | 401 KiB | 5 Q