@ 2014-08-14T01:45:51Z <?php
function gdr_encode($val) {
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!=';
$base = strlen($chars);
$str = '';
while ($val > 0) {
$str .= $chars[$val % $base];
$val = int($val / $chars);
}
return $str;
}
function gdr_decode($val) {
return base_convert(strval($val), 16, 10);
}
$vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296);
foreach ($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";
}
}
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Output for 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /in/Zik0n on line 15
"" 0 WORSE
Fatal error: Uncaught Error: Call to undefined function int() in /in/Zik0n:9
Stack trace:
#0 /in/Zik0n(20): gdr_encode(1)
#1 {main}
thrown in /in/Zik0n on line 9
Process exited with code 255 . Output for 7.0.0 - 7.0.20 , 7.1.0 - 7.1.33 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.33 "" 0 WORSE
Fatal error: Uncaught Error: Call to undefined function int() in /in/Zik0n:9
Stack trace:
#0 /in/Zik0n(20): gdr_encode(1)
#1 {main}
thrown in /in/Zik0n on line 9
Process exited with code 255 . Output for 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.28 "" 0 WORSE
Fatal error: Call to undefined function int() in /in/Zik0n on line 9
Process exited with code 255 . Output for 5.0.0 - 5.0.5 , 5.1.0 - 5.1.6 Fatal error: Call to undefined function json_encode() in /in/Zik0n on line 20
Process exited with code 255 . Output for 4.4.5 - 4.4.9 Fatal error: Call to undefined function: json_encode() in /in/Zik0n on line 20
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/Zik0n on line 20
Process exited with code 255 . Output for 4.3.0 - 4.3.1 Fatal error: Call to undefined function: json_encode() in /in/Zik0n on line 20
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268.89 ms | 401 KiB | 395 Q