PHP implementation of decimal, 36 binary conversion function

/** * Binary conversion: decimal, 36 binary conversion * by bbs.it-home.org */ $dic = Array ( 0 = ' 0 ', 1 = ' 1 ', 2 = ' 2 ', 3 = ' 3 ', 4 = ' 4 ', 5 = ' 5 ', 6 = ' 6 ', 7 = ' 7 ', 8 = ' 8 ', 9 =&G T ' 9 ', Ten = ' A ', one by one = ' B ', and ' C ', and ' D ', ' E ', ' F ', ' G ', + ' H ', + ' I ', + ' J ', + ' K ', + = ' L ', + ' M ', max. ' N ', + ' O ', + ' P ', + = ' Q ' R ', (+ = ' S ', + = ' T ', + = ' U ', + = ' V ', + = ' W ', + = ' X ', + = ' Y ', + = ' Z ') ); Decimal Conversion 36 Binary Function Enid ($int, $format = 8) { Global $dic; $arr = Array (); $loop = true; while ($loop) { $arr [] = $dic [Bcmod ($int, 36)]; $int = Floor (Bcdiv ($int, 36)); if ($int = = 0) { $loop = false; } } Array_pad ($arr, $format, $dic [0]); Return implode (", Array_reverse ($arr)); } 36 Binary Conversion Decimal function Deid ($id) { Global $dic; Key value Exchange $dedic = Array_flip ($dic); Go to 0 $id = LTrim ($id, $dic [0]); Reverse $id = Strrev ($id); $v = 0; for ($i = 0, $j = strlen ($id); $i < $j; $i + +) { $v = Bcadd (Bcmul ($dedic [$id {$i}], Bcpow ($i)), $v); } return $v; } Traverse all three-bit 36 binary numbers $i = Deid (' ZZZ '); $b = Array (); while ($i > 0) { $id _dym = Str_pad (Enid ($i), 3, 0, str_pad_left); Echo strtolower ($id _dym), ' '; $i--; } Copy Code

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