"함수 dec to base62()"의 두 판 사이의 차이

4번째 줄: 4번째 줄:
<source lang='php'>
<source lang='php'>
function dec_to_base62( $num ) {
function dec_to_base62( $num ) {
$chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
$chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$q = $num;
$q = $num;
$result = ($q>0)? '': '0';
$result = ($q>0)? '': '0';
18번째 줄: 18번째 줄:
var_dump( dec_to_base62( 1234 ) );
var_dump( dec_to_base62( 1234 ) );
var_dump( dec_to_base62( 12345 ) );
var_dump( dec_to_base62( 12345 ) );
# string(1) "0"
string(1) "0"
# string(2) "G7"
string(2) "g7"
# string(2) "Ju"
string(2) "jU"
# string(3) "3D7"
string(3) "3d7"
</source>
</source>



2016년 4월 4일 (월) 19:15 판

1 PHP

function dec_to_base62( $num ) {
	$chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
	$q = $num;
	$result = ($q>0)? '': '0';
	while( $q > 0 ) {
		$r = $q % 62;
		$q = floor( $q / 62 );
		$result = $chars[$r].$result;
	}
	return $result;
}
var_dump( dec_to_base62( 0 ) );
var_dump( dec_to_base62( 999 ) );
var_dump( dec_to_base62( 1234 ) );
var_dump( dec_to_base62( 12345 ) );
string(1) "0"
string(2) "g7"
string(2) "jU"
string(3) "3d7"

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