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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'); $ret.=chr($shit[$i]); } 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
Warning: Uninitialized string offset 4 in /in/vPPk1 on line 22 Fatal error: Uncaught TypeError: chr(): Argument #1 ($codepoint) must be of type int, string given in /in/vPPk1:22 Stack trace: #0 /in/vPPk1(22): chr('') #1 /in/vPPk1(28): decode('011601040101003...') #2 {main} thrown in /in/vPPk1 on line 22
Process exited with code 255.

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