hi saeed
use this function
$str ------------> orginal string
$len ------------> distance betwin two $myStr
$myStr --------> new ster to insert that can be a char
///////////////////////////////////////////////////////////////////////////////////////////
function addStr($str, $len,$myStr)
{
$TtLen = strlen($str);
$tLen = 0;
$temp = "";
$j = 0;
for($j=($TtLen>$len)?$len:$TtLen;
$j<$TtLen;
$j+=($TtLen>$j+$len)?$len:$TtLen)
{
$temp .= substr($str, $tLen, $len).$myStr;
$tLen += $len;
}
$temp .= substr($str, $tLen, $TtLen);
return $temp;
}
//////////////////////////////////////////////////////////////////////////////
---------------------------------
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