Conversion between PHP binaries and strings

<?phpheader ("Content-type: text/html; charset=utf-8");     /***  Converts a string into a binary *  @param  type  $str *  @return  type*/function strtobin ($STR) {   &NBSP;&NBSP;//1. List each character      $arr  = preg_split ('/(? <!^) (?! $)/u ',  $str);     //2.unpack character     foreach ($arr  as &$ V) {         $temp  = unpack (' h* ',  $v);          $v  = base_convert ($temp [1], 16, 2);         unset ($temp);     }    return join ('   ', $arr);} /***  binary conversion to string *  @param  type  $str *  @return  type*/function bintostr ($str) {      $arr  = explode ('   ',  $str);     foreach ($arr  as & $v) {         $v  = pack ("H". Strlen (Base_convert ($v,  2, 16)),  Base_convert ($v,  2, 16));     }    return join (",  $arr);} Echo strtobin ("PHP two times Development: www.php2.cc");; echo  ' <br/> '; Echo bintostr ("1110000 1101000 1110000 111001001011101010001100  111001101010110010100001 111001011011110010000000 111001011000111110010001  111011111011110010011010 1110111 1110111 1110111 101110 1110000 1101000  1110000 110010 101110 1100011 1100011 ");

Conversion between PHP binaries and strings