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 "$min=>$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)
8.3.60.0040.01116.63
8.3.50.0130.00622.86
8.3.40.0120.00318.92
8.3.30.0120.00619.26
8.3.20.0110.00420.32
8.3.10.0050.00321.73
8.3.00.0040.00417.75
8.2.180.0130.00316.62
8.2.170.0080.00822.96
8.2.160.0070.00720.34
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0130.00626.16
8.2.120.0000.00819.27
8.2.110.0000.01022.26
8.2.100.0090.00318.13
8.2.90.0060.00319.17
8.2.80.0060.00317.97
8.2.70.0050.00317.72
8.2.60.0060.00318.05
8.2.50.0060.00318.07
8.2.40.0000.01118.28
8.2.30.0040.00418.25
8.2.20.0040.00417.71
8.2.10.0000.00818.15
8.2.00.0040.00417.67
8.1.280.0040.01225.92
8.1.270.0030.00623.82
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0180.00023.64
8.1.230.0080.00419.11
8.1.220.0040.00417.79
8.1.210.0080.00018.77
8.1.200.0050.00517.36
8.1.190.0080.00017.22
8.1.180.0090.00018.10
8.1.170.0000.00818.66
8.1.160.0000.00721.94
8.1.150.0000.00818.88
8.1.140.0040.00417.46
8.1.130.0000.00717.78
8.1.120.0050.00217.54
8.1.110.0040.00417.51
8.1.100.0060.00317.51
8.1.90.0100.00017.39
8.1.80.0040.00417.51
8.1.70.0040.00417.46
8.1.60.0060.00317.64
8.1.50.0000.00817.47
8.1.40.0030.00617.59
8.1.30.0030.00517.69
8.1.20.0040.00417.57
8.1.10.0030.00617.59
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0000.00718.40
8.0.270.0030.00717.35
8.0.260.0040.00417.21
8.0.250.0000.00717.02
8.0.240.0040.00416.97
8.0.230.0040.00316.94
8.0.220.0040.00416.89
8.0.210.0000.00716.80
8.0.200.0030.00317.04
8.0.190.0000.00716.96
8.0.180.0050.00316.88
8.0.170.0030.00616.86
8.0.160.0040.00416.82
8.0.150.0030.00616.77
8.0.140.0030.00616.91
8.0.130.0030.00313.35
8.0.120.0000.00916.79
8.0.110.0020.00516.86
8.0.100.0040.00416.98
8.0.90.0000.00816.81
8.0.80.0110.00716.98
8.0.70.0060.00316.96
8.0.60.0000.00816.79
8.0.50.0040.00417.00
8.0.30.0080.01217.16
8.0.20.0090.01417.40
8.0.10.0000.00716.87
8.0.00.0100.01316.95
7.4.330.0000.00615.00
7.4.320.0000.00716.54
7.4.300.0000.00816.47
7.4.290.0000.00816.64
7.4.280.0030.00516.66
7.4.270.0070.00016.57
7.4.260.0000.00716.46
7.4.250.0040.00416.44
7.4.240.0000.00716.58
7.4.230.0030.00416.63
7.4.220.0130.00616.50
7.4.210.0060.00916.65
7.4.200.0000.00716.63
7.4.160.0060.01016.59
7.4.150.0090.01317.40
7.4.140.0140.01117.86
7.4.130.0110.00716.41
7.4.120.0130.00516.64
7.4.110.0030.02116.52
7.4.100.0040.01416.52
7.4.90.0160.00316.59
7.4.80.0120.01219.39
7.4.70.0040.01316.61
7.4.60.0070.01016.34
7.4.50.0040.00416.60
7.4.40.0140.00416.44
7.4.30.0080.00816.70
7.4.00.0030.01414.93
7.3.330.0020.00513.44
7.3.320.0000.00513.23
7.3.310.0030.00316.42
7.3.300.0000.00816.29
7.3.290.0090.00616.45
7.3.280.0070.01016.46
7.3.270.0100.01317.40
7.3.260.0140.00416.44
7.3.240.0170.00316.44
7.3.230.0060.01216.44
7.3.210.0100.00716.42
7.3.200.0110.00719.39
7.3.190.0130.00616.56
7.3.180.0100.00716.54
7.3.170.0100.00616.41
7.3.160.0140.00416.48
7.2.330.0070.01016.63
7.2.320.0120.00616.84
7.2.310.0090.01216.61
7.2.300.0090.01516.89
7.2.290.0130.01016.68
7.2.00.0050.00519.53
7.1.100.0070.00718.11
7.1.70.0090.00017.10
7.1.60.0070.00717.29
7.1.50.0130.01316.94
7.1.00.0070.07322.58
7.0.200.0040.01416.88
7.0.140.0100.06022.06
7.0.60.0070.08320.02
7.0.50.0100.07317.96
7.0.40.0030.05320.24
7.0.30.0470.04020.17
7.0.20.0170.04720.10
7.0.10.0030.05020.07
7.0.00.0030.04720.08
5.6.280.0130.06720.93
5.6.210.0100.07320.75
5.6.200.0130.06018.19
5.6.190.0100.03720.52
5.6.180.0230.09020.49
5.6.170.0270.05320.50
5.6.160.0100.05720.54
5.6.150.0100.07018.14
5.6.140.0100.07718.18
5.6.130.0100.06018.28
5.6.120.0100.08320.83
5.6.110.0030.05721.16
5.6.100.0100.06321.12
5.6.90.0100.07720.98
5.6.80.0170.06020.44
5.5.350.0170.07720.39
5.5.340.0070.06718.02
5.5.330.0070.04020.43
5.5.320.0430.06020.31
5.5.310.0230.03720.51
5.5.300.0030.07018.06
5.5.290.0070.04718.04
5.5.280.0100.08020.97
5.5.270.0170.08020.98
5.5.260.0030.09020.89
5.5.250.0070.04020.61
5.5.240.0270.07020.18
5.4.450.0230.03719.28
5.4.440.0330.04019.58
5.4.430.0170.03719.16
5.4.420.0270.03019.13
5.4.410.0300.03719.51
5.4.400.0300.03018.88
5.4.390.0430.03019.10
5.4.380.0700.04718.58
5.4.370.0370.04718.80
5.4.360.0500.05718.78
5.4.350.0700.05318.78
5.4.340.0300.06318.76
5.4.320.0090.05012.54
5.4.310.0090.04512.53
5.4.300.0070.04712.54
5.4.290.0040.04612.53
5.4.280.0080.03712.43
5.4.270.0080.03812.43
5.4.260.0060.04912.43
5.4.250.0060.04312.43
5.4.240.0090.03512.43
5.4.230.0070.04112.42
5.4.220.0080.03712.43
5.4.210.0090.05112.42
5.4.200.0060.04512.43
5.4.190.0050.03912.42
5.4.180.0090.04412.42
5.4.170.0040.04012.43
5.4.160.0050.04012.42
5.4.150.0050.03912.42
5.4.140.0070.03812.10
5.4.130.0040.03812.09
5.4.120.0120.03212.05
5.4.110.0080.03612.04
5.4.100.0050.03912.04
5.4.90.0060.03912.04
5.4.80.0060.04012.05
5.4.70.0050.04412.04
5.4.60.0050.03912.04
5.4.50.0070.03512.04
5.4.40.0060.03512.03
5.4.30.0060.03612.02
5.4.20.0030.03812.02
5.4.10.0050.03712.03
5.4.00.0060.03711.52
5.3.290.0050.04012.80
5.3.280.0090.03612.73
5.3.270.0060.04612.74
5.3.260.0060.04012.73
5.3.250.0050.04112.73
5.3.240.0080.03912.74
5.3.230.0060.04012.73
5.3.220.0070.04212.70
5.3.210.0070.04512.70
5.3.200.0070.05912.70
5.3.190.0070.04612.70
5.3.180.0060.04012.70
5.3.170.0080.03812.70
5.3.160.0070.03912.70
5.3.150.0060.04612.69
5.3.140.0070.04712.69
5.3.130.0080.04212.69
5.3.120.0040.04512.68
5.3.110.0080.04012.68
5.3.100.0030.04212.16
5.3.90.0070.03512.15
5.3.80.0040.03912.14
5.3.70.0070.03612.14
5.3.60.0040.04012.13
5.3.50.0060.03812.07
5.3.40.0040.04012.07
5.3.30.0060.03712.04
5.3.20.0060.04511.82
5.3.10.0040.04111.77
5.3.00.0040.03911.77
5.2.170.0050.0339.27
5.2.160.0100.0269.27
5.2.150.0060.0399.27
5.2.140.0040.0399.27
5.2.130.0100.0349.23
5.2.120.0030.0349.23
5.2.110.0060.0309.24
5.2.100.0030.0329.23
5.2.90.0070.0299.23
5.2.80.0090.0299.22
5.2.70.0030.0479.23
5.2.60.0070.0429.18
5.2.50.0140.0549.15
5.2.40.0060.0419.13
5.2.30.0060.0429.10
5.2.20.0070.0399.09
5.2.10.0040.0319.00
5.2.00.0070.0298.86
5.1.60.0030.0278.15
5.1.50.0050.0268.14
5.1.40.0050.0258.13
5.1.30.0030.0288.48
5.1.20.0050.0278.50
5.1.10.0000.0328.23
5.1.00.0040.0278.23
5.0.50.0050.0226.71
5.0.40.0030.0236.58
5.0.30.0060.0436.39
5.0.20.0040.0236.35
5.0.10.0060.0236.34
5.0.00.0040.0346.32
4.4.90.0050.0174.77
4.4.80.0030.0194.76
4.4.70.0040.0184.75
4.4.60.0030.0184.76
4.4.50.0030.0184.77
4.4.40.0030.0294.73
4.4.30.0040.0164.76
4.4.20.0030.0184.84
4.4.10.0020.0194.85
4.4.00.0020.0284.76
4.3.110.0000.0204.67
4.3.100.0040.0234.66
4.3.90.0050.0224.64
4.3.80.0010.0364.61
4.3.70.0020.0194.63
4.3.60.0030.0164.62
4.3.50.0030.0184.63
4.3.40.0050.0244.57
4.3.30.0030.0243.38
4.3.20.0010.0263.36
4.3.10.0050.0213.31
4.3.00.0030.02015.91

preferences:
39.59 ms | 401 KiB | 5 Q