/**
 * 二进制和文本相互转换函数
 *
 * @param 
 * @arrange (512.笔记) jb51.cc
 **/
function bin2text($bin_str) 
{ 
    $text_str = ''; 
    $chars = explode("\n",chunk_split(str_replace("\n",'',$bin_str),8)); 
    $_I = count($chars); 
    for($i = 0; $i < $_I; $text_str .= chr(bindec($chars[$i])),$i  ); 
    return $text_str; 
}


function text2bin($txt_str) 
{ 
    $len = strlen($txt_str); 
    $bin = ''; 
    for($i = 0; $i < $len; $i  ) 
    { 
        $bin .= strlen(decbin(ord($txt_str[$i]))) < 8 ? str_pad(decbin(ord($txt_str[$i])),8,STR_PAD_LEFT) : decbin(ord($txt_str[$i])); 
    } 
    return $bin; 
} 
print text2bin('How are you gentlements?'); 



/***   代码来自编程之家 jb51.cc（jb51.cc）   ***/