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; $cmp_min = cmp($min); $cmp_max = cmp($max); if ($cmp_min === $cmp_max) { return; } if ($cmp_min+1 !== $cmp_max) { echo "BAD SEARCH ASSUMPTION: [$min => $cmp_min, $max => $cmp_max]\n"; } while ($min <= $max) { $mid = (int)(($min+$max)/2); $cmp_mid = cmp($mid); echo "trace: [$min => $cmp_min, $mid => $cmp_mid, $max=>$cmp_max]\n"; if ($cmp_min === $cmp_mid && $cmp_mid !== cmp($mid+1)) { $vals[] = $mid; $vals[] = $mid+1; return; } if ($min === $max) { return; } if ($cmp_min < $cmp_mid) { $max = $mid-1; } else { $min = $mid+1; } } } $vals = array(0); for ($i=1; $i<8; $i++) { insert($vals, $i); } $vals = array_unique($vals); sort($vals); echo sprintf("%7s %7s %7s %4s\n", 'num', 'str', 'time', 'cmp'); foreach ($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($val), cmp($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)
8.3.60.0060.01016.50
8.3.50.0080.01022.93
8.3.40.0190.00318.84
8.3.30.0070.00719.23
8.3.20.0150.00020.16
8.3.10.0050.00323.71
8.3.00.0090.00017.50
8.2.180.0170.00718.29
8.2.170.0090.00622.96
8.2.160.0110.00420.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0160.00326.16
8.2.120.0040.00420.85
8.2.110.0060.00622.25
8.2.100.0040.00817.72
8.2.90.0000.00919.25
8.2.80.0080.00017.97
8.2.70.0030.00617.63
8.2.60.0000.00818.04
8.2.50.0030.00618.07
8.2.40.0060.00618.28
8.2.30.0050.00318.25
8.2.20.0040.00417.79
8.2.10.0030.00518.16
8.2.00.0000.00817.83
8.1.280.0150.00425.92
8.1.270.0060.00323.96
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00622.66
8.1.230.0080.00419.09
8.1.220.0000.00817.74
8.1.210.0030.00718.77
8.1.200.0040.00417.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0000.00918.50
8.1.160.0040.00422.09
8.1.150.0040.00419.05
8.1.140.0040.00417.45
8.1.130.0000.00717.84
8.1.120.0030.00617.38
8.1.110.0040.00417.53
8.1.100.0080.00017.48
8.1.90.0030.00717.50
8.1.80.0050.00317.52
8.1.70.0040.00417.43
8.1.60.0030.00617.57
8.1.50.0040.00417.54
8.1.40.0060.00317.60
8.1.30.0000.00817.57
8.1.20.0040.00417.63
8.1.10.0000.00817.57
8.1.00.0000.00817.44
8.0.300.0060.00318.77
8.0.290.0000.00716.75
8.0.280.0000.00718.37
8.0.270.0080.00016.80
8.0.260.0070.00017.34
8.0.250.0080.00017.00
8.0.240.0000.00717.02
8.0.230.0000.00717.02
8.0.220.0000.00716.96
8.0.210.0000.00817.00
8.0.200.0080.00017.00
8.0.190.0000.00816.93
8.0.180.0030.00616.97
8.0.170.0060.00316.89
8.0.160.0000.00716.97
8.0.150.0000.01016.86
8.0.140.0080.00016.89
8.0.130.0000.00513.42
8.0.120.0040.00416.86
8.0.110.0000.00716.93
8.0.100.0040.00416.85
8.0.90.0000.00816.76
8.0.80.0100.00716.88
8.0.70.0050.00316.94
8.0.60.0000.00816.82
8.0.50.0040.00416.79
8.0.30.0140.00717.20
8.0.20.0120.00717.40
8.0.10.0080.00017.01
8.0.00.0140.00917.03
7.4.330.0050.00015.00
7.4.320.0070.00016.55
7.4.300.0040.00416.59
7.4.290.0070.00016.44
7.4.280.0030.00516.70
7.4.270.0040.00416.64
7.4.260.0020.00516.53
7.4.250.0070.00016.46
7.4.240.0040.00416.55
7.4.230.0030.00516.71
7.4.220.0060.01216.67
7.4.210.0040.01116.52
7.4.200.0040.00416.69
7.4.160.0060.01216.58
7.4.150.0100.01617.40
7.4.140.0100.00917.86
7.4.130.0080.01016.59
7.4.120.0110.00716.65
7.4.110.0170.00716.57
7.4.100.0070.01116.72
7.4.90.0030.01416.41
7.4.80.0060.01919.39
7.4.70.0070.01116.61
7.4.60.0170.00316.57
7.4.50.0000.00516.58
7.4.40.0110.00816.59
7.4.30.0070.01116.61
7.4.00.0110.00314.78
7.3.330.0040.00413.48
7.3.320.0060.00013.20
7.3.310.0030.00316.32
7.3.300.0000.00716.45
7.3.290.0100.00416.34
7.3.280.0070.01216.43
7.3.270.0130.00517.40
7.3.260.0080.01116.47
7.3.250.0090.00916.70
7.3.240.0160.00816.37
7.3.230.0120.00616.45
7.3.210.0040.01416.70
7.3.200.0100.00719.39
7.3.190.0120.00616.62
7.3.180.0070.01116.39
7.3.170.0090.00916.44
7.3.160.0150.00316.60
7.3.10.0100.01116.43
7.3.00.0120.00716.58
7.2.330.0100.00916.80
7.2.320.0120.00616.84
7.2.310.0040.01816.58
7.2.300.0150.00416.45
7.2.290.0120.01116.82
7.2.130.0110.00716.54
7.2.120.0140.00516.74
7.2.110.0120.00716.95
7.2.100.0160.00616.81
7.2.90.0110.00816.83
7.2.80.0070.00916.81
7.2.70.0110.00717.00
7.2.60.0100.00816.90
7.2.50.0100.01217.09
7.2.40.0100.00916.92
7.2.30.0050.01516.79
7.2.20.0100.00716.89
7.2.10.0080.01316.88
7.2.00.0120.00716.88
7.1.250.0130.00715.61
7.1.70.0060.00616.89
7.1.60.0160.01019.40
7.1.50.0100.01016.90
7.1.00.0100.07022.28
7.0.200.0040.00416.77
7.0.140.0170.05722.08
7.0.60.0100.07720.02
7.0.50.0100.06317.91
7.0.40.0030.09320.11
7.0.30.0130.05720.26
7.0.20.0270.06320.15
7.0.10.0130.08020.23
7.0.00.0170.06320.30
5.6.280.0100.07021.18
5.6.210.0030.04320.63
5.6.200.0100.06318.16
5.6.190.0000.04720.45
5.6.180.0200.04020.61
5.6.170.0230.05320.47
5.6.160.0130.06720.48
5.6.150.0070.07718.14
5.6.140.0070.04718.27
5.6.130.0100.08018.29
5.6.120.0070.03721.00
5.6.110.0030.08021.04
5.6.100.0070.07720.92
5.6.90.0100.07021.13
5.6.80.0270.06720.54
5.5.350.0100.07720.46
5.5.340.0070.04717.97
5.5.330.0030.09020.38
5.5.320.0400.07320.31
5.5.310.0330.08020.35
5.5.300.0070.03718.04
5.5.290.0000.04318.07
5.5.280.0100.06320.87
5.5.270.0130.08020.89
5.5.260.0170.05320.76
5.5.250.0030.06320.73
5.5.240.0330.06320.21
5.4.450.0470.04719.57
5.4.440.0270.05319.64
5.4.430.0230.04319.48
5.4.420.0400.04719.16
5.4.410.0430.04019.39
5.4.400.0570.04719.25
5.4.390.0500.03718.92
5.4.380.0200.05318.75
5.4.370.0170.05318.67
5.4.360.0100.05718.74
5.4.350.0130.05718.75
5.4.340.0130.05318.73
5.4.320.0060.03712.54
5.4.310.0090.03612.54
5.4.300.0050.04012.54
5.4.290.0050.04312.54
5.4.280.0040.04112.43
5.4.270.0040.04012.43
5.4.260.0040.04112.43
5.4.250.0070.04512.43
5.4.240.0060.03812.44
5.4.230.0050.04312.43
5.4.220.0070.03712.43
5.4.210.0070.03612.43
5.4.200.0070.03812.43
5.4.190.0080.04012.42
5.4.180.0060.04712.42
5.4.170.0050.04312.44
5.4.160.0130.04512.42
5.4.150.0140.03912.42
5.4.140.0050.04512.10
5.4.130.0050.03912.09
5.4.120.0080.03712.05
5.4.110.0070.04312.05
5.4.100.0100.04012.05
5.4.90.0050.05512.05
5.4.80.0060.05412.05
5.4.70.0090.06212.05
5.4.60.0160.04512.04
5.4.50.0100.06312.04
5.4.40.0100.05112.03
5.4.30.0060.05212.03
5.4.20.0060.04812.03
5.4.10.0070.03412.03
5.4.00.0040.03811.52
5.3.290.0050.04212.80
5.3.280.0060.03812.73
5.3.270.0120.06112.75
5.3.260.0090.05412.74
5.3.250.0080.05412.74
5.3.240.0060.04212.74
5.3.230.0060.03912.73
5.3.220.0070.03712.70
5.3.210.0060.03812.70
5.3.200.0040.03912.70
5.3.190.0040.04212.71
5.3.180.0070.04612.70
5.3.170.0070.04712.70
5.3.160.0100.03512.70
5.3.150.0070.05512.70
5.3.140.0050.05012.70
5.3.130.0100.03512.68
5.3.120.0070.03812.68
5.3.110.0090.04112.68
5.3.100.0070.03912.16
5.3.90.0040.04012.14
5.3.80.0050.03712.14
5.3.70.0080.03512.14
5.3.60.0060.03812.12
5.3.50.0080.03812.07
5.3.40.0050.03912.07
5.3.30.0050.03812.04
5.3.20.0030.04011.81
5.3.10.0070.04411.77
5.3.00.0080.04011.77
5.2.170.0020.0449.28
5.2.160.0080.0299.27
5.2.150.0040.0419.28
5.2.140.0060.0439.27
5.2.130.0060.0379.23
5.2.120.0040.0319.23
5.2.110.0090.0299.23
5.2.100.0050.0329.22
5.2.90.0070.0299.23
5.2.80.0050.0329.22
5.2.70.0030.0339.23
5.2.60.0050.0319.18
5.2.50.0050.0329.16
5.2.40.0070.0299.13
5.2.30.0100.0269.10
5.2.20.0060.0299.09
5.2.10.0030.0319.00
5.2.00.0090.0308.86
5.1.60.0080.0338.16
5.1.50.0070.0358.15
5.1.40.0100.0328.13
5.1.30.0040.0408.48
5.1.20.0040.0418.50
5.1.10.0090.0338.23
5.1.00.0030.0418.23
5.0.50.0080.0296.72
5.0.40.0030.0296.58
5.0.30.0030.0356.39
5.0.20.0040.0206.35
5.0.10.0050.0306.33
5.0.00.0050.0336.33
4.4.90.0030.0194.78
4.4.80.0050.0234.76
4.4.70.0040.0174.76
4.4.60.0060.0154.75
4.4.50.0030.0174.77
4.4.40.0040.0264.73
4.4.30.0020.0274.75
4.4.20.0020.0184.85
4.4.10.0060.0154.85
4.4.00.0040.0254.76
4.3.110.0020.0184.67
4.3.100.0030.0174.67
4.3.90.0030.0174.63
4.3.80.0050.0304.62
4.3.70.0040.0224.63
4.3.60.0050.0154.63
4.3.50.0020.0204.63
4.3.40.0020.0274.57
4.3.30.0030.0193.38
4.3.20.0040.0183.36
4.3.10.0020.0183.31
4.3.00.0030.01715.91

preferences:
49.88 ms | 401 KiB | 5 Q