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<?php function encode($to_encode){ $i=0; $len=strlen($to_encode); $ret=''; for($i=0;$i<$len;++$i){ $ret.=str_pad(ord($to_encode[$i]),4,"0",STR_PAD_LEFT);//4 should be enough for UTF-8, right? } return $ret; } function decode($numberstr){ $numberstr=(string)$numberstr; $ret=''; $i=0; $ii=0; $len=strlen($numberstr); $shit=''; $len2=null; for($i=0;$i<$len;$i+=4){ $shit=ltrim(substr($numberstr,$i,4),'0'); for($ii=0;$ii<strlen($shit);++$ii){ $ret.=chr($shit[$ii]); } } return $ret; } $str="the quick brown fox jumps over the lazy dog";// こどものじかん"; var_dump($str,encode($str),decode(encode($str)));
Output for git.master, git.master_jit, rfc.property-hooks
string(43) "the quick brown fox jumps over the lazy dog" string(172) "0116010401010032011301170105009901070032009801140111011901100032010201110120003201060117010901120115003201110118010101140032011601040101003201080097012201210032010001110103" string(118) "     "

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