<?php
function gdr_encode($val) {
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!=';
$base = strlen($chars);
$str = '';
while ($val > 0) {
$str .= $chars[$val % $base];
$val = (int)($val / $base);
}
return $str;
}
function gdr_decode($str) {
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!=';
$base = strlen($chars);
$map = array();
for ($i=0; $i<$base; $i++) {
$map[$chars[$i]] = $i;
}
//echo print_r($map, false) . "\n";
$val = 0;
echo print_r(strlen($str), false) . "\n";
for ($i=0; $i<strlen($str); $i++) {
$val *= $base;
$char = $str[$i];
//echo "{$str[$i]}\n";
$val += (int)$map[$str[$i]];
}
return $val;
}
//$vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296);
$vals = array(1);
foreach ($vals as $val) {
$enc = json_encode(gdr_encode($val));
$dec = json_encode(gdr_decode($enc));
$val = json_encode($val);
if (strlen($enc) > strlen($val)) {
echo "$enc $val WORSE\n";
} else if (strlen($enc) == strlen($val)) {
echo "$enc $val EQUAL\n";
} else {
echo "$enc $val\n";
}
}
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- 31
Warning: Undefined array key """ in /in/I60Hm on line 28
Warning: Undefined array key """ in /in/I60Hm on line 28
"B" 1 WORSE
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
- 31
Notice: Undefined index: " in /in/I60Hm on line 28
Notice: Undefined index: " in /in/I60Hm on line 28
"B" 1 WORSE
- Output for 7.3.32 - 7.3.33
- 31
"B" 1 WORSE
- Output for 5.2.0 - 5.2.17
- 31
Notice: Undefined index: " in /in/I60Hm on line 28
Notice: Undefined index: " in /in/I60Hm on line 28
"B" 1 WORSE
- Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
- Fatal error: Call to undefined function json_encode() in /in/I60Hm on line 36
Process exited with code 255. - Output for 4.4.5 - 4.4.9
- Fatal error: Call to undefined function: json_encode() in /in/I60Hm on line 36
Process exited with code 255. - Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
- Fatal error: Call to undefined function: json_encode() in /in/I60Hm on line 36
Process exited with code 255. - Output for 4.3.0 - 4.3.1
- Fatal error: Call to undefined function: json_encode() in /in/I60Hm on line 36
preferences:
259.98 ms | 401 KiB | 377 Q