functions/strings.php

   1 <?
   2
   3    //*************************************************************************
   4    // Count the number of occurances of $needle are in $haystack.
   5    //*************************************************************************
   6    function countCharInString($haystack, $needle) {
   7       $len = strlen($haystack);
   8       for ($i = 0; $i < $len; $i++) {
   9          if ($haystack[$i] == $needle)
  10             $count++;
  11       }
  12       return $count;
  13    }
  14
  15    //*************************************************************************
  16    // Read from the back of $haystack until $needle is found, or the begining
  17    //    of the $haystack is reached.
  18    //*************************************************************************
  19    function readShortMailboxName($haystack, $needle) {
  20       if (strpos($haystack, $needle)) {
  21          $pos = strrpos($haystack, $needle) + 1;
  22          $data = substr($haystack, $pos, strlen($haystack));
  23       } else {
  24          $data = $haystack;
  25       }
  26       return $data;
  27    }
  28
  29    // Wraps text at $wrap characters
  30    function wordWrap($passed, $wrap) {
  31       $passed = str_replace("&gt;", ">", $passed);
  32       $passed = str_replace("&lt;", "<", $passed);
  33
  34       $words = explode(" ", trim($passed));
  35       $i = 0;
  36       $line_len = strlen($words[$i])+1;
  37       $line = "";
  38       while ($i < count($words)) {
  39          while ($line_len < $wrap) {
  40             $line = "$line$words[$i] ";
  41             $i++;
  42             $line_len = $line_len + strlen($words[$i])+1;
  43          }
  44          $line_len = strlen($words[$i])+1;
  45          if ($line_len < $wrap) {
  46             if ($i < count($words)) // don't <BR> the last line
  47                $line = "$line\n";
  48          } else {
  49             $endline = $words[$i];
  50             while ($line_len >= $wrap) {
  51                $bigline = substr($endline, 0, $wrap);
  52                $endline = substr($endline, $wrap, strlen($endline));
  53                $line_len = strlen($endline);
  54                $line = "$line$bigline<BR>";
  55             }
  56             $line = "$line$endline<BR>";
  57             $i++;
  58          }
  59       }
  60
  61       $line = str_replace(">", "&gt;", $line);
  62       $line = str_replace("<", "&lt;", $line);
  63       return $line;
  64    }
  65
  66    /** Returns an array of email addresses **/
  67    function parseAddrs($text) {
  68       if (trim($text) == "") {
  69          return;
  70       }
  71       $text = str_replace(" ", "", $text);
  72       $text = str_replace(",", ";", $text);
  73       $array = explode(";", $text);
  74       return $array;
  75    }
  76
  77    /** Returns a line of comma separated email addresses from an array **/
  78    function getLineOfAddrs($array) {
  79       $to_line = "";
  80       for ($i = 0; $i < count($array); $i++) {
  81          if ($to_line)
  82             $to_line = "$to_line, $array[$i]";
  83          else
  84             $to_line = "$array[$i]";
  85       }
  86       return $to_line;
  87    }
  88
  89    function translateText($body, $wrap_at) {
  90       /** Add any parsing you want to in here */
  91       $body = trim($body);
  92       $body_ary = explode("\n", $body);
  93
  94       for ($i = 0; $i < count($body_ary); $i++) {
  95          $line = $body_ary[$i];
  96          $line = "^^$line";
  97
  98          $line = str_replace(">", "&gt;", $line);
  99          $line = str_replace("<", "&lt;", $line);
 100
 101          if (strlen($line) >= $wrap_at) // -2 because of the ^^ at the beginning
 102             $line = wordWrap($line, $wrap_at);
 103
 104          $line = str_replace(" ", "&nbsp;", $line);
 105          $line = str_replace("\t", "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;", $line);
 106          $line = nl2br($line);
 107
 108          if (strpos(trim(str_replace("&nbsp;", "", $line)), "&gt;&gt;") == 2) {
 109             $line = substr($line, 2, strlen($line));
 110             $line = "<TT><FONT COLOR=FF0000>$line</FONT></TT><BR>\n";
 111          } else if (strpos(trim(str_replace("&nbsp;", "", $line)), "&gt;") == 2) {
 112             $line = substr($line, 2, strlen($line));
 113             $line = "<TT><FONT COLOR=800000>$line</FONT></TT><BR>\n";
 114          } else {
 115             $line = substr($line, 2, strlen($line));
 116             $line = "<TT><FONT COLOR=000000>$line</FONT></TT><BR>\n";
 117          }
 118
 119          $new_body[$i] = "$line";
 120       }
 121       $bdy = implode("\n", $new_body);
 122       return $bdy;
 123    }
 124
 125    /* SquirrelMail version number -- DO NOT CHANGE */
 126    $version = "0.3pre1";
 127 ?>