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; } $mid = search($min, $max, $len); if ($mid === null) { return; } $vals[] = $mid; $vals[] = $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)
8.3.60.0430.07372.48
8.3.50.0580.05675.92
8.3.40.0420.01444.97
8.3.30.0370.02045.36
8.3.20.0240.00746.41
8.3.10.0170.01448.15
8.3.00.0220.00744.92
8.2.180.0890.03072.25
8.2.170.0240.03445.46
8.2.160.0350.01946.58
8.2.150.0140.01745.27
8.2.140.0100.02345.29
8.2.130.0200.01046.85
8.2.120.0140.00749.05
8.2.110.0340.01745.57
8.2.100.0220.02544.03
8.2.90.0140.02444.63
8.2.80.0200.01346.79
8.2.70.0140.02043.63
8.2.60.0130.02043.75
8.2.50.0170.02043.75
8.2.40.0230.02044.41
8.2.30.0070.02644.22
8.2.20.0070.02743.76
8.2.10.0100.02444.14
8.2.00.0100.02343.83
8.1.280.0520.04972.00
8.1.270.0170.01349.38
8.1.260.0130.01746.47
8.1.250.0230.00748.19
8.1.240.0170.02046.86
8.1.230.0230.02047.10
8.1.220.0070.02543.91
8.1.210.0200.01344.98
8.1.200.0130.02043.61
8.1.190.0110.02543.48
8.1.180.0170.01743.25
8.1.170.0180.01844.70
8.1.160.0160.01647.99
8.1.150.0210.01144.82
8.1.140.0100.02343.43
8.1.130.0140.01843.81
8.1.120.0130.01943.52
8.1.110.0030.02743.39
8.1.100.0090.02243.42
8.1.90.0160.02643.46
8.1.80.0060.02543.46
8.1.70.0070.02443.42
8.1.60.0070.02743.61
8.1.50.0190.02243.43
8.1.40.0140.01843.43
8.1.30.0100.02343.54
8.1.20.0130.02043.45
8.1.10.0170.04473.40
8.1.00.0300.03373.36
8.0.300.0180.04375.86
8.0.290.0290.03272.75
8.0.280.0240.03474.20
8.0.270.0420.03972.89
8.0.260.0250.05172.97
8.0.250.0190.03972.64
8.0.240.0240.03472.71
8.0.230.0240.03772.69
8.0.220.0300.03072.60
8.0.210.0140.04872.52
8.0.200.0240.03772.68
8.0.190.0330.02972.58
8.0.180.0140.04872.49
8.0.170.0200.04072.66
8.0.160.0170.04772.66
8.0.150.0190.04672.52
8.0.140.0230.04372.57
8.0.130.0430.070121.68
8.0.120.0290.03372.55
8.0.110.0230.04072.46
8.0.100.0200.04172.64
8.0.90.0230.03972.42
8.0.80.0690.12972.57
8.0.70.0280.03172.57
8.0.60.0160.04272.42
8.0.50.0240.03572.48
8.0.30.0680.09972.63
8.0.20.0600.08072.69
8.0.10.0290.03372.72
8.0.00.0670.07272.53
7.4.330.0230.03671.48
7.4.320.0160.04272.29
7.4.300.0170.03772.16
7.4.290.0210.03872.24
7.4.280.0190.04272.05
7.4.270.0200.03972.26
7.4.260.0290.04172.23
7.4.250.0330.02772.24
7.4.240.0200.03872.24
7.4.230.0240.03472.06
7.4.220.0550.09672.23
7.4.210.0400.07772.32
7.4.200.0340.02772.25
7.4.160.0400.10072.05
7.4.150.0710.09472.34
7.4.140.0700.11172.14
7.4.130.0510.08272.33
7.4.120.0640.10172.29
7.4.110.0540.07772.25
7.4.100.0660.11572.30
7.4.90.0590.07672.04
7.4.80.0510.09672.20
7.4.70.0550.08272.07
7.4.60.0620.07872.25
7.4.50.0140.02872.31
7.4.40.0590.14272.13
7.4.30.0270.10472.30
7.4.00.0360.06370.58
7.3.330.0870.074121.74
7.3.320.0260.079121.64
7.3.310.0370.02371.85
7.3.300.0230.03672.00
7.3.290.0560.13072.02
7.3.280.0590.09572.08
7.3.270.0750.06272.26
7.3.260.0530.08272.10
7.3.250.0650.07272.10
7.3.240.0840.12972.23
7.3.230.0720.06672.22
7.3.210.0670.08772.17
7.3.200.0680.07272.13
7.3.190.0420.10472.08
7.3.180.0630.12272.02
7.3.170.0580.09172.40
7.3.160.0460.09371.97
7.2.330.0620.07272.48
7.2.320.0590.07972.36
7.2.310.0720.08272.46
7.2.300.0680.09172.38
7.2.290.0600.08672.50
7.2.60.6630.05078.72
7.2.00.2110.06081.63
7.1.200.4130.04677.50
7.1.100.0530.06080.14
7.1.70.4240.06078.78
7.1.60.0230.09479.11
7.1.50.0280.05697.06
7.1.00.0170.14784.34
7.0.200.6640.07377.38
7.0.140.0170.12784.12
7.0.60.0230.13775.67
7.0.50.0300.13773.50
7.0.40.0230.13020.13
7.0.30.0470.12320.11
7.0.20.0430.11020.21
7.0.10.0270.13020.22
7.0.00.0170.08720.25
5.6.280.0270.16384.75
5.6.210.0370.10384.35
5.6.200.0270.16382.60
5.6.190.0170.13784.07
5.6.180.0470.10084.09
5.6.170.0430.10384.06
5.6.160.0300.15084.05
5.6.150.0400.15381.91
5.6.140.0270.16381.89
5.6.130.0100.10781.86
5.6.120.0300.10384.71
5.6.110.0270.14084.70
5.6.100.0300.13084.74
5.6.90.0100.14084.80
5.6.80.0530.13784.26
5.5.350.4070.08084.13
5.5.340.0200.10781.80
5.5.330.0270.15384.05
5.5.320.0330.16783.85
5.5.310.0200.12383.97
5.5.300.0070.18081.77
5.5.290.0330.15781.72
5.5.280.0370.09384.58
5.5.270.0370.11784.47
5.5.260.0300.10084.70
5.5.250.0430.15384.29
5.5.240.0170.13384.02
5.4.450.0800.13082.82
5.4.440.0530.12783.09
5.4.430.0370.10383.19
5.4.420.0600.11083.35
5.4.410.0330.13383.10
5.4.400.0300.13382.60
5.4.390.0470.13782.79
5.4.380.0870.15082.39
5.4.370.0630.17782.54
5.4.360.0530.16782.48
5.4.350.0670.19782.57
5.4.340.0670.19082.33
5.4.320.0240.12376.32
5.4.310.0180.12476.32
5.4.300.0180.12576.32
5.4.290.0260.11476.31
5.4.280.0200.11576.21
5.4.270.0290.12576.21
5.4.260.0310.12076.21
5.4.250.0230.11976.21
5.4.240.0270.13476.21
5.4.230.0270.14076.21
5.4.220.0250.11776.21
5.4.210.0200.11776.21
5.4.200.0250.12276.21
5.4.190.0170.12376.20
5.4.180.0290.14176.21
5.4.170.0280.11176.21
5.4.160.0260.12176.21
5.4.150.0260.11476.20
5.4.140.0280.11975.88
5.4.130.0360.18375.88
5.4.120.0220.14775.84
5.4.110.0230.13475.83
5.4.100.0250.13475.83
5.4.90.0300.15975.83
5.4.80.0240.14175.83
5.4.70.0270.13475.83
5.4.60.0270.11975.82
5.4.50.0210.11875.82
5.4.40.0200.13575.81
5.4.30.0150.13375.80
5.4.20.0210.12275.81
5.4.10.0330.15675.81
5.4.00.0290.12675.30
5.3.290.0230.12976.25
5.3.280.0280.13276.18
5.3.270.0280.12076.19
5.3.260.0320.15776.20
5.3.250.0220.13076.20
5.3.240.0280.14576.20
5.3.230.0180.17576.19
5.3.220.0230.16776.15
5.3.210.0210.12976.16
5.3.200.0390.14176.15
5.3.190.0320.15576.16
5.3.180.0210.11576.15
5.3.170.0230.12176.15
5.3.160.0240.11476.15
5.3.150.0250.11776.16
5.3.140.0190.12876.14
5.3.130.0260.12976.14
5.3.120.0290.15076.14
5.3.110.0330.15976.14
5.3.100.0280.11875.62
5.3.90.0230.14075.61
5.3.80.0200.12375.59
5.3.70.0260.11575.59
5.3.60.0220.15675.57
5.3.50.0370.18375.52
5.3.40.0300.18875.52
5.3.30.0280.12375.49
5.3.20.0270.12775.26
5.3.10.0280.13875.23
5.3.00.0270.15475.21
5.2.170.0170.04522.45
5.2.160.0130.06722.50
5.2.150.0110.05622.45
5.2.140.0120.05222.44
5.2.130.0100.04722.40
5.2.120.0130.04122.41
5.2.110.0100.04522.41
5.2.100.0060.05122.40
5.2.90.0110.06422.40
5.2.80.0130.06222.39
5.2.70.0140.07422.39
5.2.60.0150.06722.43
5.2.50.0140.06922.32
5.2.40.0150.06422.30
5.2.30.0160.06422.26
5.2.20.0140.08422.27
5.2.10.0150.05822.74
5.2.00.0100.04922.03
5.1.60.0150.04722.68
5.1.50.0190.05722.67
5.1.40.0170.05622.66
5.1.30.0140.05823.01
5.1.20.0090.04322.78
5.1.10.0130.04022.51
5.1.00.0150.04322.51
5.0.50.0070.03818.54
5.0.40.0080.04318.40
5.0.30.0070.04918.22
5.0.20.0090.03918.19
5.0.10.0080.03918.16
5.0.00.0490.19088.78
4.4.90.0100.03014.23
4.4.80.0100.02914.21
4.4.70.0060.02614.21
4.4.60.0090.02414.21
4.4.50.0040.02614.23
4.4.40.0050.04114.22
4.4.30.0090.02314.22
4.4.20.0160.03814.28
4.4.10.0110.03414.29
4.4.00.0050.04414.23
4.3.110.0030.03515.09
4.3.100.0120.03615.02
4.3.90.0030.03015.00
4.3.80.0240.07446.52
4.3.70.0100.02615.00
4.3.60.0080.02415.00
4.3.50.0070.02715.00
4.3.40.0040.04015.13
4.3.30.0060.02813.94
4.3.20.0050.02412.83
4.3.10.0110.02113.88
4.3.00.0070.04015.90

preferences:
63.27 ms | 401 KiB | 5 Q