function_pass.php

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<?php
//加密
function Code_pass($Code){
	for ($i=0;$i<strlen($Code);$i++){
	$chars_pag   = ~ord($Code[$i]) & 0x00ff;
	$cTemp       = $chars_pag << 6;
	$chars_pag   = $chars_pag >> 2;
    if (~($chars_pag | $cTemp)<0) $emblem=1;
    $Code_p=~($chars_pag | $cTemp);
//    $Code_p=abs($Code_p);
    $Code_p=intval($Code_p);
	$Code_post[$i]    =  $Code_p & 0x00ff;
//	if ($emblem==1) $Code_post[$i]=-$Code_post[$i];
	if ($i!=(strlen($Code)-1)) $Code_array=$Code_array.$Code_post[$i].'%';
	else $Code_array=$Code_array.$Code_post[$i];
	}
	return $Code_array;
}

//解密
function Code_unpass($UNCode){
	$Code_array=explode("%",$UNCode);
	foreach ($Code_array as $i => $m){
	$chars_pag   = ~intval($m) & 0x00ff;
	$cTemp       = $chars_pag >> 6;
	$chars_pag   = $chars_pag << 2;
	$Post_code  .= chr(~($chars_pag | $cTemp) & 0x00ff);
	}
	$Post_array=explode("|",$Post_code);
	return $Post_array;
}
?>